Abstracts to BaseLauncherActivity.java for easier maintaining multiple designs

app/src/main/java/net/kdt/pojavlaunch/BaseLauncherActivity.java

@@ -0,0 +1,24 @@
+package net.kdt.pojavlaunch;
+
+import android.support.v7.app.*;
+import android.widget.*;
+import net.kdt.pojavlaunch.fragments.*;
+import net.kdt.pojavlaunch.tasks.*;
+
+public abstract class BaseLauncherActivity extends AppCompatActivity {
+	public Button mPlayButton;
+	public ConsoleFragment mConsoleView;
+    public CrashFragment mCrashView;
+    public ProgressBar mLaunchProgress;
+	public Spinner mVersionSelector;
+	public TextView mLaunchTextStatus, mTextVersion;
+    
+    public JMinecraftVersionList mVersionList;
+	public MinecraftDownloaderTask mTask;
+	public MCProfile.Builder mProfile;
+	public String[] mAvailableVersions;
+    
+	public boolean mIsAssetsProcessing = false;
+    
+    public abstract void statusIsLaunching(boolean isLaunching);
+}

app/src/main/java/net/kdt/pojavlaunch/MCLauncherActivity.java

@@ -29,10 +29,11 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.app.*;
 import org.apache.commons.io.*;
+import net.kdt.pojavlaunch.tasks.*;
 //import android.support.v7.view.menu.*;
 //import net.zhuoweizhang.boardwalk.downloader.*;
 
-public class MCLauncherActivity extends AppCompatActivity
+public class MCLauncherActivity extends BaseLauncherActivity
 {
 	//private FragmentTabHost mTabHost;
 	private LinearLayout fullTab;
@@ -44,31 +45,17 @@ public class MCLauncherActivity extends AppCompatActivity
     private ViewPager viewPager;
 	private TabLayout tabLayout;
 
-	private TextView tvVersion, tvUsernameView;
+	private TextView tvUsernameView;
-	private Spinner versionSelector;
-	private String[] availableVersions;
-	private MCProfile.Builder profile;
 	private String profilePath = null;
-	private CrashFragment crashView;
-	private ConsoleFragment consoleView;
 	private ViewPagerAdapter viewPageAdapter;
 
-	private ProgressBar launchProgress;
-	private TextView launchTextStatus;
 	private Button switchUsrBtn, logoutBtn; // MineButtons
 	private ViewGroup leftView, rightView;
-	private Button playButton;
-
-	private Gson gson;
-
-	private JMinecraftVersionList versionList;
-	private static volatile boolean isAssetsProcessing = false;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState)
 	{
 		super.onCreate(savedInstanceState);
-		gson = new Gson();
 
 		viewInit();
 
@@ -97,26 +84,26 @@ public class MCLauncherActivity extends AppCompatActivity
 		tabLayout = findViewById(R.id.launchermainTabLayout);
 		viewPager = findViewById(R.id.launchermainTabPager);
 
-		consoleView = new ConsoleFragment();
+		mConsoleView = new ConsoleFragment();
-		crashView = new CrashFragment();
+		mCrashView = new CrashFragment();
 
 		viewPageAdapter = new ViewPagerAdapter(getSupportFragmentManager());
 
 		viewPageAdapter.addFragment(new LauncherFragment(), getStr(R.string.mcl_tab_news));
-		viewPageAdapter.addFragment(consoleView, getStr(R.string.mcl_tab_console));
+		viewPageAdapter.addFragment(mConsoleView, getStr(R.string.mcl_tab_console));
-		viewPageAdapter.addFragment(crashView, getStr(R.string.mcl_tab_crash));
+		viewPageAdapter.addFragment(mCrashView, getStr(R.string.mcl_tab_crash));
 
 		viewPager.setAdapter(viewPageAdapter);
 		tabLayout.setupWithViewPager(viewPager);
 
 		tvUsernameView = (TextView) findId(R.id.launcherMainUsernameView);
-		tvVersion = (TextView) findId(R.id.launcherMainVersionView);
+		mTextVersion = (TextView) findId(R.id.launcherMainVersionView);
 
 		try {
 			profilePath = PojavProfile.getCurrentProfilePath(this);
-			profile = PojavProfile.getCurrentProfileContent(this);
+			mProfile = PojavProfile.getCurrentProfileContent(this);
 
-			tvUsernameView.setText(profile.getUsername());
+			tvUsernameView.setText(mProfile.getUsername());
 		} catch(Exception e) {
 			//Tools.throwError(this, e);
 			e.printStackTrace();
@@ -163,103 +150,29 @@ public class MCLauncherActivity extends AppCompatActivity
 			versions.add(e.getMessage());
 
 		} finally {
-			availableVersions = versions.toArray(new String[0]);
+			mAvailableVersions = versions.toArray(new String[0]);
 		}
 
 		//availableVersions;
 
-		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, availableVersions);
+		ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, mAvailableVersions);
 		adapter.setDropDownViewResource(android.R.layout.simple_list_item_single_choice);
-		versionSelector = (Spinner) findId(R.id.launcherMainSelectVersion);
+		mVersionSelector = (Spinner) findId(R.id.launcherMainSelectVersion);
-		versionSelector.setAdapter(adapter);
+		mVersionSelector.setAdapter(adapter);
 
-		launchProgress = (ProgressBar) findId(R.id.progressDownloadBar);
+		mLaunchProgress = (ProgressBar) findId(R.id.progressDownloadBar);
-		launchTextStatus = (TextView) findId(R.id.progressDownloadText);
+		mLaunchTextStatus = (TextView) findId(R.id.progressDownloadText);
 		LinearLayout exitLayout = (LinearLayout) findId(R.id.launcherMainExitbtns);
 		switchUsrBtn = (Button) exitLayout.getChildAt(0);
 		logoutBtn = (Button) exitLayout.getChildAt(1);
 
 		leftView = (LinearLayout) findId(R.id.launcherMainLeftLayout);
-		playButton = (Button) findId(R.id.launcherMainPlayButton);
+		mPlayButton = (Button) findId(R.id.launcherMainPlayButton);
 		rightView = (ViewGroup) findId(R.id.launcherMainRightLayout);
 
 		statusIsLaunching(false);
 	}
 
-	public class RefreshVersionListTask extends AsyncTask<Void, Void, ArrayList<String>>{
-
-		@Override
-		protected ArrayList<String> doInBackground(Void[] p1)
-		{
-			try{
-				versionList = gson.fromJson(DownloadUtils.downloadString("https://launchermeta.mojang.com/mc/game/version_manifest.json"), JMinecraftVersionList.class);
-				ArrayList<String> versionStringList = filter(versionList.versions, new File(Tools.versnDir).listFiles());
-
-				return versionStringList;
-			} catch (Exception e){
-				e.printStackTrace();
-			}
-			return null;
-		}
-
-		@Override
-		protected void onPostExecute(ArrayList<String> result)
-		{
-			super.onPostExecute(result);
-
-			final PopupMenu popup = new PopupMenu(MCLauncherActivity.this, versionSelector);  
-			popup.getMenuInflater().inflate(R.menu.menu_versionopt, popup.getMenu());  
-
-			if(result != null && result.size() > 0) {
-				ArrayAdapter<String> adapter = new ArrayAdapter<String>(MCLauncherActivity.this, android.R.layout.simple_spinner_item, result);
-				adapter.setDropDownViewResource(android.R.layout.simple_list_item_single_choice);
-				versionSelector.setAdapter(adapter);
-				versionSelector.setSelection(selectAt(result.toArray(new String[0]), profile.getVersion()));
-			} else {
-				versionSelector.setSelection(selectAt(availableVersions, profile.getVersion()));
-			}
-			versionSelector.setOnItemSelectedListener(new OnItemSelectedListener(){
-
-					@Override
-					public void onItemSelected(AdapterView<?> p1, View p2, int p3, long p4)
-					{
-						String version = p1.getItemAtPosition(p3).toString();
-						profile.setVersion(version);
-
-						PojavProfile.setCurrentProfile(MCLauncherActivity.this, profile);
-						if (PojavProfile.isFileType(MCLauncherActivity.this)) {
-							PojavProfile.setCurrentProfile(MCLauncherActivity.this, MCProfile.build(profile));
-						}
-
-						tvVersion.setText(getStr(R.string.mcl_version_msg, version));
-					}
-
-					@Override
-					public void onNothingSelected(AdapterView<?> p1)
-					{
-						// TODO: Implement this method
-					}
-				});
-			versionSelector.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener(){
-					@Override
-					public boolean onItemLongClick(AdapterView<?> p1, View p2, int p3, long p4)
-					{
-						// Implement copy, remove, reinstall,...
-						popup.show();
-						return true;
-					}
-				});
-
-			popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {  
-					public boolean onMenuItemClick(MenuItem item) {  
-						return true;  
-					}  
-				});  
-
-			tvVersion.setText(getStr(R.string.mcl_version_msg) + versionSelector.getSelectedItem());
-		}
-	}
-
 	@Override
 	protected void onPostResume() {
 		super.onPostResume();
@@ -268,50 +181,16 @@ public class MCLauncherActivity extends AppCompatActivity
 
 	private float updateWidthHeight() {
 		float leftRightWidth = (float) CallbackBridge.windowWidth / 100f * 32f;
-		float playButtonWidth = CallbackBridge.windowWidth - leftRightWidth * 2f;
+		float mPlayButtonWidth = CallbackBridge.windowWidth - leftRightWidth * 2f;
 		LinearLayout.LayoutParams leftRightParams = new LinearLayout.LayoutParams((int) leftRightWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
-		LinearLayout.LayoutParams playButtonParams = new LinearLayout.LayoutParams((int) playButtonWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
+		LinearLayout.LayoutParams mPlayButtonParams = new LinearLayout.LayoutParams((int) mPlayButtonWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
 		leftView.setLayoutParams(leftRightParams);
 		rightView.setLayoutParams(leftRightParams);
-		playButton.setLayoutParams(playButtonParams);
+		mPlayButton.setLayoutParams(mPlayButtonParams);
 
 		return leftRightWidth;
 	}
 
-	private JMinecraftVersionList.Version findVersion(String version) {
-		if (versionList != null) {
-			for (JMinecraftVersionList.Version valueVer: versionList.versions) {
-				if (valueVer.id.equals(version)) {
-					return valueVer;
-				}
-			}
-		}
-
-		// Custom version, inherits from base.
-		return Tools.getVersionInfo(version);
-	}
-
-	private ArrayList<String> filter(JMinecraftVersionList.Version[] list1, File[] list2) {
-		ArrayList<String> output = new ArrayList<String>();
-
-		for (JMinecraftVersionList.Version value1: list1) {
-			if ((value1.type.equals("release") && LauncherPreferences.PREF_VERTYPE_RELEASE) ||
-				(value1.type.equals("snapshot") && LauncherPreferences.PREF_VERTYPE_SNAPSHOT) ||
-				(value1.type.equals("old_alpha") && LauncherPreferences.PREF_VERTYPE_OLDALPHA) ||
-				(value1.type.equals("old_beta") && LauncherPreferences.PREF_VERTYPE_OLDBETA)) {
-					output.add(value1.id);
-			}
-		}
-
-		for (File value2: list2) {
-			if (!output.contains(value2.getName())) {
-				output.add(value2.getName());
-			}
-		}
-
-		return output;
-	}
-
 	public void mcaccSwitchUser(View view)
 	{
 		showProfileInfo();
@@ -349,7 +228,7 @@ public class MCLauncherActivity extends AppCompatActivity
 	protected void onResumeFragments()
 	{
 		super.onResumeFragments();
-		new RefreshVersionListTask().execute();
+		new RefreshVersionListTask(this).execute();
 		
 		try{
 			final ProgressDialog barrier = new ProgressDialog(this);
@@ -363,7 +242,7 @@ public class MCLauncherActivity extends AppCompatActivity
 					@Override
 					public void run()
 					{
-						while (consoleView == null) {
+						while (mConsoleView == null) {
 							try {
 								Thread.sleep(20);
 							} catch (Throwable th) {}
@@ -378,7 +257,7 @@ public class MCLauncherActivity extends AppCompatActivity
 								public void run()
 								{
 									try {
-										consoleView.putLog("");
+										mConsoleView.putLog("");
 										barrier.dismiss();
 									} catch (Throwable th) {
 										startActivity(getIntent());
@@ -390,8 +269,8 @@ public class MCLauncherActivity extends AppCompatActivity
 				}).start();
 
 			File lastCrashFile = Tools.lastFileModified(Tools.crashPath);
-			if(CrashFragment.isNewCrash(lastCrashFile) || !crashView.getLastCrash().isEmpty()){
+			if(CrashFragment.isNewCrash(lastCrashFile) || !mCrashView.getLastCrash().isEmpty()){
-				crashView.resetCrashLog = false;
+				mCrashView.resetCrashLog = false;
 				selectTabPage(2);
 			} else throw new Exception();
 		} catch(Throwable e){
@@ -399,20 +278,6 @@ public class MCLauncherActivity extends AppCompatActivity
 		}
 	}
 
-	public int selectAt(String[] strArr, String select)
-	{
-		int count = 0;
-		for(String str : strArr){
-			if(str.equals(select)){
-				return count;
-			}
-			else{
-				count++;
-			}
-		}
-		return -1;
-	}
-
 	@Override
 	protected void onResume(){
 		super.onResume();
@@ -422,19 +287,19 @@ public class MCLauncherActivity extends AppCompatActivity
 	}
 
 	private boolean canBack = false;
-	private void statusIsLaunching(boolean isLaunching)
+	public void statusIsLaunching(boolean isLaunching)
 	{
 		LinearLayout.LayoutParams reparam = new LinearLayout.LayoutParams((int) updateWidthHeight(), LinearLayout.LayoutParams.WRAP_CONTENT);
 		ViewGroup.MarginLayoutParams lmainTabParam = (ViewGroup.MarginLayoutParams) fullTab.getLayoutParams();
 		int launchVisibility = isLaunching ? View.VISIBLE : View.GONE;
-		launchProgress.setVisibility(launchVisibility);
+		mLaunchProgress.setVisibility(launchVisibility);
-		launchTextStatus.setVisibility(launchVisibility);
+		mLaunchTextStatus.setVisibility(launchVisibility);
 		lmainTabParam.bottomMargin = reparam.height;
 		leftView.setLayoutParams(reparam);
 
 		switchUsrBtn.setEnabled(!isLaunching);
 		logoutBtn.setEnabled(!isLaunching);
-		versionSelector.setEnabled(!isLaunching);
+		mVersionSelector.setEnabled(!isLaunching);
 		canBack = !isLaunching;
 	}
 	@Override
@@ -451,301 +316,20 @@ public class MCLauncherActivity extends AppCompatActivity
 		return super.onTouchEvent(event);
 	}
 
-	private GameRunnerTask mTask;
-
 	public void launchGame(View v)
 	{
-		if (!canBack && isAssetsProcessing) {
+		if (!canBack && mIsAssetsProcessing) {
-			isAssetsProcessing = false;
+			mIsAssetsProcessing = false;
 			statusIsLaunching(false);
 		} else if (canBack) {
 			v.setEnabled(false);
-			mTask = new GameRunnerTask();
+			mTask = new MinecraftDownloaderTask(this);
-			mTask.execute(profile.getVersion());
+			mTask.execute(mProfile.getVersion());
-			crashView.resetCrashLog = true;
+			mCrashView.resetCrashLog = true;
 		}
 	}
 
-	public class GameRunnerTask extends AsyncTask<String, String, Throwable>
-    {
-        private boolean launchWithError = false;
 	
-        @Override
-        protected void onPreExecute() {
-            launchProgress.setMax(1);
-            statusIsLaunching(true);
-        }
-
-        private JMinecraftVersionList.Version verInfo;
-        @Override
-        protected Throwable doInBackground(final String[] p1) {
-            Throwable throwable = null;
-            try {
-                final String downVName = "/" + p1[0] + "/" + p1[0];
-
-                //Downloading libraries
-                String minecraftMainJar = Tools.versnDir + downVName + ".jar";
-                JAssets assets = null;
-                try {
-                    //com.pojavdx.dx.mod.Main.debug = true;
-
-                    String verJsonDir = Tools.versnDir + downVName + ".json";
-
-                    verInfo = findVersion(p1[0]);
-
-                    if (verInfo.url != null && !new File(verJsonDir).exists()) {
-                        publishProgress("1", "Downloading " + p1[0] + " configuration...");
-                        Tools.downloadFile(
-                            verInfo.url,
-                            verJsonDir
-                        );
-                    }
-
-                    verInfo = Tools.getVersionInfo(p1[0]);
-                    assets = downloadIndex(verInfo.assets, new File(Tools.ASSETS_PATH, "indexes/" + verInfo.assets + ".json"));
-
-                    File outLib;
-                    String libPathURL;
-
-                    setMax(verInfo.libraries.length + 4 + assets.objects.size());
-                    for (final DependentLibrary libItem : verInfo.libraries) {
-
-                        if (// libItem.name.startsWith("com.google.code.gson:gson") ||
-                        // libItem.name.startsWith("com.mojang:realms") ||
-                            libItem.name.startsWith("net.java.jinput") ||
-                        // libItem.name.startsWith("net.minecraft.launchwrapper") ||
-
-                        // FIXME lib below!
-                        // libItem.name.startsWith("optifine:launchwrapper-of") ||
-
-                        // libItem.name.startsWith("org.lwjgl.lwjgl:lwjgl") ||
-                            libItem.name.startsWith("org.lwjgl")
-                        // libItem.name.startsWith("tv.twitch")
-                            ) { // Black list
-                            publishProgress("1", "Ignored " + libItem.name);
-                            //Thread.sleep(100);
-                        } else {
-
-                            String[] libInfo = libItem.name.split(":");
-                            String libArtifact = Tools.artifactToPath(libInfo[0], libInfo[1], libInfo[2]);
-                            outLib = new File(Tools.libraries + "/" + libArtifact);
-                            outLib.getParentFile().mkdirs();
-
-                            if (!outLib.exists()) {
-                                publishProgress("1", getString(R.string.mcl_launch_download_lib, libItem.name));
-
-                                boolean skipIfFailed = false;
-
-                                if (libItem.downloads == null || libItem.downloads.artifact == null) {
-                                    MinecraftLibraryArtifact artifact = new MinecraftLibraryArtifact();
-                                    artifact.url = (libItem.url == null ? "https://libraries.minecraft.net/" : libItem.url) + libArtifact;
-                                    libItem.downloads = new DependentLibrary.LibraryDownloads(artifact);
-
-                                    skipIfFailed = true;
-                                }
-                                try {
-                                    libPathURL = libItem.downloads.artifact.url;
-                                    Tools.downloadFile(
-                                        libPathURL,
-                                        outLib.getAbsolutePath()
-                                    );
-                                } catch (Throwable th) {
-                                    if (!skipIfFailed) {
-                                        throw th;
-                                    } else {
-                                        th.printStackTrace();
-                                        publishProgress("0", th.getMessage());
-                                    }
-                                }
-                            }
-                        }
-                    }
-
-                    publishProgress("1", getString(R.string.mcl_launch_download_client, p1[0]));
-                    File minecraftMainFile = new File(minecraftMainJar);
-                    if (!minecraftMainFile.exists() || minecraftMainFile.length() == 0l) {
-                        try {
-                            Tools.downloadFile(
-                                verInfo.downloads.values().toArray(new MinecraftClientInfo[0])[0].url,
-                                minecraftMainJar
-                            );
-                        } catch (Throwable th) {
-                            if (verInfo.inheritsFrom != null) {
-                                minecraftMainFile.delete();
-                                IOUtils.copy(new FileInputStream(new File(Tools.versnDir, verInfo.inheritsFrom + "/" + verInfo.inheritsFrom + ".jar")), new FileOutputStream(minecraftMainFile));
-                            } else {
-                                throw th;
-                            }
-                        }
-                    }
-                } catch (Throwable e) {
-                    launchWithError = true;
-                    throw e;
-                }
-
-                publishProgress("1", getString(R.string.mcl_launch_cleancache));
-                // new File(inputPath).delete();
-
-                for (File f : new File(Tools.versnDir).listFiles()) {
-                    if(f.getName().endsWith(".part")) {
-                        Log.d(Tools.APP_NAME, "Cleaning cache: " + f);
-                        f.delete();
-                    }
-                }
-
-                isAssetsProcessing = true;
-                playButton.post(new Runnable(){
-
-                        @Override
-                        public void run()
-                        {
-                            playButton.setText("Skip");
-                            playButton.setEnabled(true);
-                        }
-                    });
-                publishProgress("1", getString(R.string.mcl_launch_download_assets));
-                try {
-                    downloadAssets(assets, verInfo.assets, new File(Tools.ASSETS_PATH));
-                } catch (Exception e) {
-                    e.printStackTrace();
-
-                    // Ignore it
-                    launchWithError = false;
-                } finally {
-                    isAssetsProcessing = false;
-                }
-            } catch (Throwable th){
-                throwable = th;
-            } finally {
-                return throwable;
-            }
-        }
-        private int addProgress = 0; // 34
-
-        public void zeroProgress()
-        {
-            addProgress = 0;
-        }
-
-        public void setMax(final int value)
-        {
-            launchProgress.post(new Runnable(){
-
-                    @Override
-                    public void run()
-                    {
-                        launchProgress.setMax(value);
-                    }
-                });
-        }
-
-        @Override
-        protected void onProgressUpdate(String... p1)
-        {
-            int addedProg = Integer.parseInt(p1[0]);
-            if (addedProg != -1) {
-                addProgress = addProgress + addedProg;
-                launchProgress.setProgress(addProgress);
-
-                launchTextStatus.setText(p1[1]);
-            }
-
-            if (p1.length < 3) consoleView.putLog(p1[1] + (p1.length < 3 ? "\n" : ""));
-        }
-
-        @Override
-        protected void onPostExecute(Throwable p1)
-        {
-            playButton.setText("Play");
-            playButton.setEnabled(true);
-            launchProgress.setMax(100);
-            launchProgress.setProgress(0);
-            statusIsLaunching(false);
-            if(p1 != null) {
-                p1.printStackTrace();
-                Tools.showError(MCLauncherActivity.this, p1);
-            }
-            if(!launchWithError) {
-                crashView.setLastCrash("");
-
-                try {
-                    /*
-                     List<String> jvmArgs = ManagementFactory.getRuntimeMXBean().getInputArguments();
-                     jvmArgs.add("-Xms128M");
-                     jvmArgs.add("-Xmx1G");
-                     */
-                    Intent mainIntent = new Intent(MCLauncherActivity.this, MainActivity.class);
-                    // mainIntent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
-                    mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
-                    mainIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
-                    if (LauncherPreferences.PREF_FREEFORM) {
-                        DisplayMetrics dm = new DisplayMetrics();
-                        getWindowManager().getDefaultDisplay().getMetrics(dm);
-
-                        ActivityOptions options = (ActivityOptions) ActivityOptions.class.getMethod("makeBasic").invoke(null);
-                        Rect freeformRect = new Rect(0, 0, dm.widthPixels / 2, dm.heightPixels / 2);
-                        options.getClass().getDeclaredMethod("setLaunchBounds", Rect.class).invoke(options, freeformRect);
-                        startActivity(mainIntent, options.toBundle());
-                    } else {
-                        startActivity(mainIntent);
-                    }
-                }
-                catch (Throwable e) {
-                    Tools.showError(MCLauncherActivity.this, e);
-                }
-
-                /*
-                 FloatingIntent maini = new FloatingIntent(PojavLauncherActivity.this, MainActivity.class);
-                 maini.startFloatingActivity();
-                 */
-            }
-
-            mTask = null;
-        }
-
-        public static final String MINECRAFT_RES = "http://resources.download.minecraft.net/";
-
-        public JAssets downloadIndex(String versionName, File output) throws Throwable {
-            if (!output.exists()) {
-                output.getParentFile().mkdirs();
-                DownloadUtils.downloadFile(verInfo.assetIndex != null ? verInfo.assetIndex.url : "http://s3.amazonaws.com/Minecraft.Download/indexes/" + versionName + ".json", output);
-            }
-            
-            return gson.fromJson(Tools.read(output.getAbsolutePath()), JAssets.class);
-        }
-
-        public void downloadAsset(JAssetInfo asset, File objectsDir) throws IOException, Throwable {
-            String assetPath = asset.hash.substring(0, 2) + "/" + asset.hash;
-            File outFile = new File(objectsDir, assetPath);
-            if (!outFile.exists()) {
-                DownloadUtils.downloadFile(MINECRAFT_RES + assetPath, outFile);
-            }
-        }
-
-        public void downloadAssets(JAssets assets, String assetsVersion, File outputDir) throws IOException, Throwable {
-            File hasDownloadedFile = new File(outputDir, "downloaded/" + assetsVersion + ".downloaded");
-            if (!hasDownloadedFile.exists()) {
-                System.out.println("Assets begin time: " + System.currentTimeMillis());
-                Map<String, JAssetInfo> assetsObjects = assets.objects;
-                launchProgress.setMax(assetsObjects.size());
-                zeroProgress();
-                File objectsDir = new File(outputDir, "objects");
-                int downloadedSs = 0;
-                for (JAssetInfo asset : assetsObjects.values()) {
-                    if (!isAssetsProcessing) {
-                        return;
-                    }
-
-                    downloadAsset(asset, objectsDir);
-                    publishProgress("1", getString(R.string.mcl_launch_downloading, assetsObjects.keySet().toArray(new String[0])[downloadedSs]));
-                    downloadedSs++;
-                }
-                hasDownloadedFile.getParentFile().mkdirs();
-                hasDownloadedFile.createNewFile();
-                System.out.println("Assets end time: " + System.currentTimeMillis());
-            }
-        }
-    }
     
 	public View findId(int id)
 	{

app/src/main/java/net/kdt/pojavlaunch/PojavLauncherActivity.java

@@ -27,10 +27,11 @@ import org.apache.commons.io.*;
 import org.lwjgl.glfw.*;
 
 import android.support.v7.app.AlertDialog;
+import net.kdt.pojavlaunch.tasks.*;
 //import android.support.v7.view.menu.*;
 //import net.zhuoweizhang.boardwalk.downloader.*;
 
-public class PojavLauncherActivity extends AppCompatActivity
+public class PojavLauncherActivity extends BaseLauncherActivity
 {
     //private FragmentTabHost mTabHost;
     private LinearLayout fullTab, leftTab;
@@ -42,38 +43,26 @@ public class PojavLauncherActivity extends AppCompatActivity
     private ViewPager viewPager;
     private VerticalTabLayout tabLayout;
 
-    private TextView tvVersion, tvUsernameView;
+    private TextView tvUsernameView;
-    private Spinner accountSelector, versionSelector;
+    private Spinner accountSelector;
-    private String[] availableVersions;
-    private MCProfile.Builder profile;
     private String profilePath = null;
-    private CrashFragment crashView;
-    private ConsoleFragment consoleView;
     private ViewPagerAdapter viewPageAdapter;
 
-    private ProgressBar launchProgress;
-    private TextView launchTextStatus;
     private Button switchUsrBtn, logoutBtn; // MineButtons
     private ViewGroup leftView, rightView;
-    private Button playButton;
-
-    private Gson gson;
-
-    private JMinecraftVersionList versionList;
-    private static volatile boolean isAssetsProcessing = false;
 
     @Override
     protected void onCreate(Bundle savedInstanceState)
     {
         super.onCreate(savedInstanceState);
-        gson = new Gson();
 
         viewInit();
 
         Tools.setFullscreen(this);
 
-        if (BuildConfig.DEBUG)
+        if (BuildConfig.DEBUG) {
             Toast.makeText(this, "Launcher process id: " + android.os.Process.myPid(), Toast.LENGTH_LONG).show();
+        }
     }
     // DEBUG
     //new android.support.design.widget.NavigationView(this);
@@ -91,13 +80,13 @@ public class PojavLauncherActivity extends AppCompatActivity
         tabLayout = findViewById(R.id.launchermainTabLayout);
         viewPager = findViewById(R.id.launchermainTabPager);
 
-        consoleView = new ConsoleFragment();
+        mConsoleView = new ConsoleFragment();
-        crashView = new CrashFragment();
+        mCrashView = new CrashFragment();
 
         viewPageAdapter = new ViewPagerAdapter(getSupportFragmentManager());
         viewPageAdapter.addFragment(new LauncherFragment(), R.drawable.ic_menu_news, getString(R.string.mcl_tab_news));
-        viewPageAdapter.addFragment(consoleView, R.drawable.ic_menu_java, getString(R.string.mcl_tab_console));
+        viewPageAdapter.addFragment(mConsoleView, R.drawable.ic_menu_java, getString(R.string.mcl_tab_console));
-        viewPageAdapter.addFragment(crashView, 0, getString(R.string.mcl_tab_crash));
+        viewPageAdapter.addFragment(mCrashView, 0, getString(R.string.mcl_tab_crash));
         viewPageAdapter.addFragment(new LauncherPreferenceFragment(), R.drawable.ic_menu_settings, getString(R.string.mcl_option_settings));
         
         viewPager.setAdapter(viewPageAdapter);
@@ -106,13 +95,13 @@ public class PojavLauncherActivity extends AppCompatActivity
         tabLayout.setLastTabAsBottom();
 
         tvUsernameView = (TextView) findViewById(R.id.launcherMainUsernameView);
-        tvVersion = (TextView) findViewById(R.id.launcherMainVersionView);
+        mTextVersion = (TextView) findViewById(R.id.launcherMainVersionView);
 
         try {
             profilePath = PojavProfile.getCurrentProfilePath(this);
-            profile = PojavProfile.getCurrentProfileContent(this);
+            mProfile = PojavProfile.getCurrentProfileContent(this);
 
-            tvUsernameView.setText(profile.getUsername());
+            tvUsernameView.setText(mProfile.getUsername());
         } catch(Exception e) {
             //Tools.throwError(this, e);
             e.printStackTrace();
@@ -178,103 +167,29 @@ public class PojavLauncherActivity extends AppCompatActivity
             versions.add(e.getMessage());
 
         } finally {
-            availableVersions = versions.toArray(new String[0]);
+            mAvailableVersions = versions.toArray(new String[0]);
         }
 
-        //availableVersions;
+        //mAvailableVersions;
 
-        ArrayAdapter<String> adapterVer = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, availableVersions);
+        ArrayAdapter<String> adapterVer = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, mAvailableVersions);
         adapterVer.setDropDownViewResource(android.R.layout.simple_list_item_single_choice);
-        versionSelector = (Spinner) findViewById(R.id.launchermain_spinner_version);
+        mVersionSelector = (Spinner) findViewById(R.id.launchermain_spinner_version);
-        versionSelector.setAdapter(adapterVer);
+        mVersionSelector.setAdapter(adapterVer);
 
-        launchProgress = (ProgressBar) findViewById(R.id.progressDownloadBar);
+        mLaunchProgress = (ProgressBar) findViewById(R.id.progressDownloadBar);
-        launchTextStatus = (TextView) findViewById(R.id.progressDownloadText);
+        mLaunchTextStatus = (TextView) findViewById(R.id.progressDownloadText);
         LinearLayout exitLayout = (LinearLayout) findViewById(R.id.launcherMainExitbtns);
         switchUsrBtn = (Button) exitLayout.getChildAt(0);
         logoutBtn = (Button) exitLayout.getChildAt(1);
 
         leftView = (LinearLayout) findViewById(R.id.launcherMainLeftLayout);
-        playButton = (Button) findViewById(R.id.launcherMainPlayButton);
+        mPlayButton = (Button) findViewById(R.id.launcherMainPlayButton);
         rightView = (ViewGroup) findViewById(R.id.launcherMainRightLayout);
 
         statusIsLaunching(false);
     }
 
-    public class RefreshVersionListTask extends AsyncTask<Void, Void, ArrayList<String>>{
-
-        @Override
-        protected ArrayList<String> doInBackground(Void[] p1)
-        {
-            try{
-                versionList = gson.fromJson(DownloadUtils.downloadString("https://launchermeta.mojang.com/mc/game/version_manifest.json"), JMinecraftVersionList.class);
-                ArrayList<String> versionStringList = filter(versionList.versions, new File(Tools.versnDir).listFiles());
-
-                return versionStringList;
-            } catch (Exception e){
-                e.printStackTrace();
-            }
-            return null;
-        }
-
-        @Override
-        protected void onPostExecute(ArrayList<String> result)
-        {
-            super.onPostExecute(result);
-
-            final PopupMenu popup = new PopupMenu(PojavLauncherActivity.this, versionSelector);  
-            popup.getMenuInflater().inflate(R.menu.menu_versionopt, popup.getMenu());  
-
-            if(result != null && result.size() > 0) {
-                ArrayAdapter<String> adapter = new ArrayAdapter<String>(PojavLauncherActivity.this, android.R.layout.simple_spinner_item, result);
-                adapter.setDropDownViewResource(android.R.layout.simple_list_item_single_choice);
-                versionSelector.setAdapter(adapter);
-                versionSelector.setSelection(selectAt(result.toArray(new String[0]), profile.getVersion()));
-            } else {
-                versionSelector.setSelection(selectAt(availableVersions, profile.getVersion()));
-            }
-            versionSelector.setOnItemSelectedListener(new OnItemSelectedListener(){
-
-                    @Override
-                    public void onItemSelected(AdapterView<?> p1, View p2, int p3, long p4)
-                    {
-                        String version = p1.getItemAtPosition(p3).toString();
-                        profile.setVersion(version);
-
-                        PojavProfile.setCurrentProfile(PojavLauncherActivity.this, profile);
-                        if (PojavProfile.isFileType(PojavLauncherActivity.this)) {
-                            PojavProfile.setCurrentProfile(PojavLauncherActivity.this, MCProfile.build(profile));
-                        }
-
-                        tvVersion.setText(getString(R.string.mcl_version_msg, version));
-                    }
-
-                    @Override
-                    public void onNothingSelected(AdapterView<?> p1)
-                    {
-                        // TODO: Implement this method
-                    }
-                });
-            versionSelector.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener(){
-                    @Override
-                    public boolean onItemLongClick(AdapterView<?> p1, View p2, int p3, long p4)
-                    {
-                        // Implement copy, remove, reinstall,...
-                        popup.show();
-                        return true;
-                    }
-                });
-
-            popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {  
-                    public boolean onMenuItemClick(MenuItem item) {  
-                        return true;  
-                    }  
-                });  
-
-            tvVersion.setText(getString(R.string.mcl_version_msg) + versionSelector.getSelectedItem());
-        }
-    }
-
     @Override
     protected void onPostResume() {
         super.onPostResume();
@@ -283,50 +198,16 @@ public class PojavLauncherActivity extends AppCompatActivity
 
     private float updateWidthHeight() {
         float leftRightWidth = (float) CallbackBridge.windowWidth / 100f * 32f;
-        float playButtonWidth = CallbackBridge.windowWidth - leftRightWidth * 2f;
+        float mPlayButtonWidth = CallbackBridge.windowWidth - leftRightWidth * 2f;
         LinearLayout.LayoutParams leftRightParams = new LinearLayout.LayoutParams((int) leftRightWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
-        LinearLayout.LayoutParams playButtonParams = new LinearLayout.LayoutParams((int) playButtonWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
+        LinearLayout.LayoutParams mPlayButtonParams = new LinearLayout.LayoutParams((int) mPlayButtonWidth, (int) Tools.dpToPx(this, CallbackBridge.windowHeight / 9));
         leftView.setLayoutParams(leftRightParams);
         rightView.setLayoutParams(leftRightParams);
-        playButton.setLayoutParams(playButtonParams);
+        mPlayButton.setLayoutParams(mPlayButtonParams);
 
         return leftRightWidth;
     }
 
-    private JMinecraftVersionList.Version findVersion(String version) {
-        if (versionList != null) {
-            for (JMinecraftVersionList.Version valueVer: versionList.versions) {
-                if (valueVer.id.equals(version)) {
-                    return valueVer;
-                }
-            }
-        }
-
-        // Custom version, inherits from base.
-        return Tools.getVersionInfo(version);
-    }
-
-    private ArrayList<String> filter(JMinecraftVersionList.Version[] list1, File[] list2) {
-        ArrayList<String> output = new ArrayList<String>();
-
-        for (JMinecraftVersionList.Version value1: list1) {
-            if ((value1.type.equals("release") && LauncherPreferences.PREF_VERTYPE_RELEASE) ||
-                (value1.type.equals("snapshot") && LauncherPreferences.PREF_VERTYPE_SNAPSHOT) ||
-                (value1.type.equals("old_alpha") && LauncherPreferences.PREF_VERTYPE_OLDALPHA) ||
-                (value1.type.equals("old_beta") && LauncherPreferences.PREF_VERTYPE_OLDBETA)) {
-                output.add(value1.id);
-            }
-        }
-
-        for (File value2: list2) {
-            if (!output.contains(value2.getName())) {
-                output.add(value2.getName());
-            }
-        }
-
-        return output;
-    }
-
     public void mcaccSwitchUser(View view)
     {
         showProfileInfo();
@@ -364,7 +245,7 @@ public class PojavLauncherActivity extends AppCompatActivity
     protected void onResumeFragments()
     {
         super.onResumeFragments();
-        new RefreshVersionListTask().execute();
+        new RefreshVersionListTask(this).execute();
 
         try{
             final ProgressDialog barrier = new ProgressDialog(this);
@@ -378,7 +259,7 @@ public class PojavLauncherActivity extends AppCompatActivity
                     @Override
                     public void run()
                     {
-                        while (consoleView == null) {
+                        while (mConsoleView == null) {
                             try {
                                 Thread.sleep(20);
                             } catch (Throwable th) {}
@@ -393,7 +274,7 @@ public class PojavLauncherActivity extends AppCompatActivity
                                 public void run()
                                 {
                                     try {
-                                        consoleView.putLog("");
+                                        mConsoleView.putLog("");
                                         barrier.dismiss();
                                     } catch (Throwable th) {
                                         startActivity(getIntent());
@@ -405,8 +286,8 @@ public class PojavLauncherActivity extends AppCompatActivity
                 }).start();
 
             File lastCrashFile = Tools.lastFileModified(Tools.crashPath);
-            if(CrashFragment.isNewCrash(lastCrashFile) || !crashView.getLastCrash().isEmpty()){
+            if(CrashFragment.isNewCrash(lastCrashFile) || !mCrashView.getLastCrash().isEmpty()){
-                crashView.resetCrashLog = false;
+                mCrashView.resetCrashLog = false;
                 selectTabPage(2);
             } else throw new Exception();
         } catch(Throwable e){
@@ -414,20 +295,6 @@ public class PojavLauncherActivity extends AppCompatActivity
         }
     }
 
-    public int selectAt(String[] strArr, String select)
-    {
-        int count = 0;
-        for(String str : strArr){
-            if(str.equals(select)){
-                return count;
-            }
-            else{
-                count++;
-            }
-        }
-        return -1;
-    }
-
     @Override
     protected void onResume(){
         super.onResume();
@@ -437,21 +304,21 @@ public class PojavLauncherActivity extends AppCompatActivity
     }
 
     private boolean canBack = false;
-    private void statusIsLaunching(boolean isLaunching) {
+    public void statusIsLaunching(boolean isLaunching) {
         // As preference fragment put to tab, changes without notice, so need re-load pref
         if (isLaunching) LauncherPreferences.loadPreferences();
         
         LinearLayout.LayoutParams reparam = new LinearLayout.LayoutParams((int) updateWidthHeight(), LinearLayout.LayoutParams.WRAP_CONTENT);
         ViewGroup.MarginLayoutParams lmainTabParam = (ViewGroup.MarginLayoutParams) fullTab.getLayoutParams();
         int launchVisibility = isLaunching ? View.VISIBLE : View.GONE;
-        launchProgress.setVisibility(launchVisibility);
+        mLaunchProgress.setVisibility(launchVisibility);
-        launchTextStatus.setVisibility(launchVisibility);
+        mLaunchTextStatus.setVisibility(launchVisibility);
         lmainTabParam.bottomMargin = reparam.height;
         leftView.setLayoutParams(reparam);
 
         switchUsrBtn.setEnabled(!isLaunching);
         logoutBtn.setEnabled(!isLaunching);
-        versionSelector.setEnabled(!isLaunching);
+        mVersionSelector.setEnabled(!isLaunching);
         canBack = !isLaunching;
     }
     @Override
@@ -473,299 +340,16 @@ public class PojavLauncherActivity extends AppCompatActivity
         }
     }
 
-    private GameRunnerTask mTask;
-
     public void launchGame(View v)
     {
-        if (!canBack && isAssetsProcessing) {
+        if (!canBack && mIsAssetsProcessing) {
-            isAssetsProcessing = false;
+            mIsAssetsProcessing = false;
             statusIsLaunching(false);
         } else if (canBack) {
             v.setEnabled(false);
-            mTask = new GameRunnerTask();
+            mTask = new MinecraftDownloaderTask(this);
-            mTask.execute(profile.getVersion());
+            mTask.execute(mProfile.getVersion());
-            crashView.resetCrashLog = true;
+            mCrashView.resetCrashLog = true;
-        }
-    }
-
-    public class GameRunnerTask extends AsyncTask<String, String, Throwable>
-    {
-        private boolean launchWithError = false;
-
-        @Override
-        protected void onPreExecute() {
-            launchProgress.setMax(1);
-            statusIsLaunching(true);
-        }
-
-        private JMinecraftVersionList.Version verInfo;
-        @Override
-        protected Throwable doInBackground(final String[] p1) {
-            Throwable throwable = null;
-            try {
-                final String downVName = "/" + p1[0] + "/" + p1[0];
-
-                //Downloading libraries
-                String minecraftMainJar = Tools.versnDir + downVName + ".jar";
-                JAssets assets = null;
-                try {
-                    //com.pojavdx.dx.mod.Main.debug = true;
-
-                    String verJsonDir = Tools.versnDir + downVName + ".json";
-
-                    verInfo = findVersion(p1[0]);
-
-                    if (verInfo.url != null && !new File(verJsonDir).exists()) {
-                        publishProgress("1", "Downloading " + p1[0] + " configuration...");
-                        Tools.downloadFile(
-                            verInfo.url,
-                            verJsonDir
-                        );
-                    }
-
-                    verInfo = Tools.getVersionInfo(p1[0]);
-                    assets = downloadIndex(verInfo.assets, new File(Tools.ASSETS_PATH, "indexes/" + verInfo.assets + ".json"));
-
-                    File outLib;
-                    String libPathURL;
-
-                    setMax(verInfo.libraries.length + 4 + assets.objects.size());
-                    for (final DependentLibrary libItem : verInfo.libraries) {
-
-                        if (// libItem.name.startsWith("com.google.code.gson:gson") ||
-                        // libItem.name.startsWith("com.mojang:realms") ||
-                            libItem.name.startsWith("net.java.jinput") ||
-                        // libItem.name.startsWith("net.minecraft.launchwrapper") ||
-
-                        // FIXME lib below!
-                        // libItem.name.startsWith("optifine:launchwrapper-of") ||
-
-                        // libItem.name.startsWith("org.lwjgl.lwjgl:lwjgl") ||
-                            libItem.name.startsWith("org.lwjgl")
-                        // libItem.name.startsWith("tv.twitch")
-                            ) { // Black list
-                            publishProgress("1", "Ignored " + libItem.name);
-                            //Thread.sleep(100);
-                        } else {
-
-                            String[] libInfo = libItem.name.split(":");
-                            String libArtifact = Tools.artifactToPath(libInfo[0], libInfo[1], libInfo[2]);
-                            outLib = new File(Tools.libraries + "/" + libArtifact);
-                            outLib.getParentFile().mkdirs();
-
-                            if (!outLib.exists()) {
-                                publishProgress("1", getString(R.string.mcl_launch_download_lib, libItem.name));
-
-                                boolean skipIfFailed = false;
-
-                                if (libItem.downloads == null || libItem.downloads.artifact == null) {
-                                    MinecraftLibraryArtifact artifact = new MinecraftLibraryArtifact();
-                                    artifact.url = (libItem.url == null ? "https://libraries.minecraft.net/" : libItem.url) + libArtifact;
-                                    libItem.downloads = new DependentLibrary.LibraryDownloads(artifact);
-
-                                    skipIfFailed = true;
-                                }
-                                try {
-                                    libPathURL = libItem.downloads.artifact.url;
-                                    Tools.downloadFile(
-                                        libPathURL,
-                                        outLib.getAbsolutePath()
-                                    );
-                                } catch (Throwable th) {
-                                    if (!skipIfFailed) {
-                                        throw th;
-                                    } else {
-                                        th.printStackTrace();
-                                        publishProgress("0", th.getMessage());
-                                    }
-                                }
-                            }
-                        }
-                    }
-
-                    publishProgress("1", getString(R.string.mcl_launch_download_client, p1[0]));
-                    File minecraftMainFile = new File(minecraftMainJar);
-                    if (!minecraftMainFile.exists() || minecraftMainFile.length() == 0l) {
-                        try {
-                            Tools.downloadFile(
-                                verInfo.downloads.values().toArray(new MinecraftClientInfo[0])[0].url,
-                                minecraftMainJar
-                            );
-                        } catch (Throwable th) {
-                            if (verInfo.inheritsFrom != null) {
-                                minecraftMainFile.delete();
-                                IOUtils.copy(new FileInputStream(new File(Tools.versnDir, verInfo.inheritsFrom + "/" + verInfo.inheritsFrom + ".jar")), new FileOutputStream(minecraftMainFile));
-                            } else {
-                                throw th;
-                            }
-                        }
-                    }
-                } catch (Throwable e) {
-                    launchWithError = true;
-                    throw e;
-                }
-
-                publishProgress("1", getString(R.string.mcl_launch_cleancache));
-                // new File(inputPath).delete();
-
-                for (File f : new File(Tools.versnDir).listFiles()) {
-                    if(f.getName().endsWith(".part")) {
-                        Log.d(Tools.APP_NAME, "Cleaning cache: " + f);
-                        f.delete();
-                    }
-                }
-
-                isAssetsProcessing = true;
-                playButton.post(new Runnable(){
-
-                        @Override
-                        public void run()
-                        {
-                            playButton.setText("Skip");
-                            playButton.setEnabled(true);
-                        }
-                    });
-                publishProgress("1", getString(R.string.mcl_launch_download_assets));
-                try {
-                    downloadAssets(assets, verInfo.assets, new File(Tools.ASSETS_PATH));
-                } catch (Exception e) {
-                    e.printStackTrace();
-
-                    // Ignore it
-                    launchWithError = false;
-                } finally {
-                    isAssetsProcessing = false;
-                }
-            } catch (Throwable th){
-                throwable = th;
-            } finally {
-                return throwable;
-            }
-        }
-        private int addProgress = 0; // 34
-
-        public void zeroProgress()
-        {
-            addProgress = 0;
-        }
-
-        public void setMax(final int value)
-        {
-            launchProgress.post(new Runnable(){
-
-                    @Override
-                    public void run()
-                    {
-                        launchProgress.setMax(value);
-                    }
-                });
-        }
-
-        @Override
-        protected void onProgressUpdate(String... p1)
-        {
-            int addedProg = Integer.parseInt(p1[0]);
-            if (addedProg != -1) {
-                addProgress = addProgress + addedProg;
-                launchProgress.setProgress(addProgress);
-
-                launchTextStatus.setText(p1[1]);
-            }
-
-            if (p1.length < 3) consoleView.putLog(p1[1] + (p1.length < 3 ? "\n" : ""));
-        }
-
-        @Override
-        protected void onPostExecute(Throwable p1)
-        {
-            playButton.setText("Play");
-            playButton.setEnabled(true);
-            launchProgress.setMax(100);
-            launchProgress.setProgress(0);
-            statusIsLaunching(false);
-            if(p1 != null) {
-                p1.printStackTrace();
-                Tools.showError(PojavLauncherActivity.this, p1);
-            }
-            if(!launchWithError) {
-                crashView.setLastCrash("");
-
-                try {
-                    /*
-                     List<String> jvmArgs = ManagementFactory.getRuntimeMXBean().getInputArguments();
-                     jvmArgs.add("-Xms128M");
-                     jvmArgs.add("-Xmx1G");
-                     */
-                    Intent mainIntent = new Intent(PojavLauncherActivity.this, MainActivity.class);
-                    // mainIntent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
-                    mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
-                    mainIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
-                    if (LauncherPreferences.PREF_FREEFORM) {
-                        DisplayMetrics dm = new DisplayMetrics();
-                        getWindowManager().getDefaultDisplay().getMetrics(dm);
-
-                        ActivityOptions options = (ActivityOptions) ActivityOptions.class.getMethod("makeBasic").invoke(null);
-                        Rect freeformRect = new Rect(0, 0, dm.widthPixels / 2, dm.heightPixels / 2);
-                        options.getClass().getDeclaredMethod("setLaunchBounds", Rect.class).invoke(options, freeformRect);
-                        startActivity(mainIntent, options.toBundle());
-                    } else {
-                        startActivity(mainIntent);
-                    }
-                }
-                catch (Throwable e) {
-                    Tools.showError(PojavLauncherActivity.this, e);
-                }
-
-                /*
-                 FloatingIntent maini = new FloatingIntent(PojavLauncherActivity.this, MainActivity.class);
-                 maini.startFloatingActivity();
-                 */
-            }
-
-            mTask = null;
-        }
-
-        private Gson gsonss = gson;
-        public static final String MINECRAFT_RES = "http://resources.download.minecraft.net/";
-
-        public JAssets downloadIndex(String versionName, File output) throws Exception {
-            String versionJson = DownloadUtils.downloadString(verInfo.assetIndex != null ? verInfo.assetIndex.url : "http://s3.amazonaws.com/Minecraft.Download/indexes/" + versionName + ".json");
-            JAssets version = gsonss.fromJson(versionJson, JAssets.class);
-            output.getParentFile().mkdirs();
-            Tools.write(output.getAbsolutePath(), versionJson.getBytes(Charset.forName("UTF-8")));
-            return version;
-        }
-
-        public void downloadAsset(JAssetInfo asset, File objectsDir) throws IOException, Throwable {
-            String assetPath = asset.hash.substring(0, 2) + "/" + asset.hash;
-            File outFile = new File(objectsDir, assetPath);
-            if (!outFile.exists()) {
-                DownloadUtils.downloadFile(MINECRAFT_RES + assetPath, outFile);
-            }
-        }
-
-        public void downloadAssets(JAssets assets, String assetsVersion, File outputDir) throws IOException, Throwable {
-            File hasDownloadedFile = new File(outputDir, "downloaded/" + assetsVersion + ".downloaded");
-            if (!hasDownloadedFile.exists()) {
-                System.out.println("Assets begin time: " + System.currentTimeMillis());
-                Map<String, JAssetInfo> assetsObjects = assets.objects;
-                launchProgress.setMax(assetsObjects.size());
-                zeroProgress();
-                File objectsDir = new File(outputDir, "objects");
-                int downloadedSs = 0;
-                for (JAssetInfo asset : assetsObjects.values()) {
-                    if (!isAssetsProcessing) {
-                        return;
-                    }
-
-                    downloadAsset(asset, objectsDir);
-                    publishProgress("1", getString(R.string.mcl_launch_downloading, assetsObjects.keySet().toArray(new String[0])[downloadedSs]));
-                    downloadedSs++;
-                }
-                hasDownloadedFile.getParentFile().mkdirs();
-                hasDownloadedFile.createNewFile();
-                System.out.println("Assets end time: " + System.currentTimeMillis());
-            }
         }
     }
 

app/src/main/java/net/kdt/pojavlaunch/tasks/MinecraftDownloaderTask.java

@@ -0,0 +1,317 @@
+package net.kdt.pojavlaunch.tasks;
+
+import android.app.*;
+import android.content.*;
+import android.graphics.*;
+import android.os.*;
+import android.util.*;
+import com.google.gson.*;
+import java.io.*;
+import java.util.*;
+import net.kdt.pojavlaunch.*;
+import net.kdt.pojavlaunch.prefs.*;
+import net.kdt.pojavlaunch.utils.*;
+import net.kdt.pojavlaunch.value.*;
+import org.apache.commons.io.*;
+
+public class MinecraftDownloaderTask extends AsyncTask<String, String, Throwable>
+ {
+    private BaseLauncherActivity mActivity;
+    private boolean launchWithError = false;
+
+    public MinecraftDownloaderTask(BaseLauncherActivity activity) {
+        mActivity = activity;
+    }
+    
+    @Override
+    protected void onPreExecute() {
+        mActivity.mLaunchProgress.setMax(1);
+        mActivity.statusIsLaunching(true);
+    }
+
+    private JMinecraftVersionList.Version verInfo;
+    @Override
+    protected Throwable doInBackground(final String[] p1) {
+        Throwable throwable = null;
+        try {
+            final String downVName = "/" + p1[0] + "/" + p1[0];
+
+            //Downloading libraries
+            String minecraftMainJar = Tools.versnDir + downVName + ".jar";
+            JAssets assets = null;
+            try {
+                //com.pojavdx.dx.mod.Main.debug = true;
+
+                String verJsonDir = Tools.versnDir + downVName + ".json";
+
+                verInfo = findVersion(p1[0]);
+
+                if (verInfo.url != null && !new File(verJsonDir).exists()) {
+                    publishProgress("1", "Downloading " + p1[0] + " configuration...");
+                    Tools.downloadFile(
+                        verInfo.url,
+                        verJsonDir
+                    );
+                }
+
+                verInfo = Tools.getVersionInfo(p1[0]);
+                assets = downloadIndex(verInfo.assets, new File(Tools.ASSETS_PATH, "indexes/" + verInfo.assets + ".json"));
+
+                File outLib;
+                String libPathURL;
+
+                setMax(verInfo.libraries.length + 4 + assets.objects.size());
+                for (final DependentLibrary libItem : verInfo.libraries) {
+
+                    if (// libItem.name.startsWith("com.google.code.gson:gson") ||
+                    // libItem.name.startsWith("com.mojang:realms") ||
+                        libItem.name.startsWith("net.java.jinput") ||
+                    // libItem.name.startsWith("net.minecraft.launchwrapper") ||
+
+                    // FIXME lib below!
+                    // libItem.name.startsWith("optifine:launchwrapper-of") ||
+
+                    // libItem.name.startsWith("org.lwjgl.lwjgl:lwjgl") ||
+                        libItem.name.startsWith("org.lwjgl")
+                    // libItem.name.startsWith("tv.twitch")
+                        ) { // Black list
+                        publishProgress("1", "Ignored " + libItem.name);
+                        //Thread.sleep(100);
+                    } else {
+
+                        String[] libInfo = libItem.name.split(":");
+                        String libArtifact = Tools.artifactToPath(libInfo[0], libInfo[1], libInfo[2]);
+                        outLib = new File(Tools.libraries + "/" + libArtifact);
+                        outLib.getParentFile().mkdirs();
+
+                        if (!outLib.exists()) {
+                            publishProgress("1", mActivity.getString(R.string.mcl_launch_download_lib, libItem.name));
+
+                            boolean skipIfFailed = false;
+
+                            if (libItem.downloads == null || libItem.downloads.artifact == null) {
+                                MinecraftLibraryArtifact artifact = new MinecraftLibraryArtifact();
+                                artifact.url = (libItem.url == null ? "https://libraries.minecraft.net/" : libItem.url) + libArtifact;
+                                libItem.downloads = new DependentLibrary.LibraryDownloads(artifact);
+
+                                skipIfFailed = true;
+                            }
+                            try {
+                                libPathURL = libItem.downloads.artifact.url;
+                                Tools.downloadFile(
+                                    libPathURL,
+                                    outLib.getAbsolutePath()
+                                );
+                            } catch (Throwable th) {
+                                if (!skipIfFailed) {
+                                    throw th;
+                                } else {
+                                    th.printStackTrace();
+                                    publishProgress("0", th.getMessage());
+                                }
+                            }
+                        }
+                    }
+                }
+
+                publishProgress("1", mActivity.getString(R.string.mcl_launch_download_client, p1[0]));
+                File minecraftMainFile = new File(minecraftMainJar);
+                if (!minecraftMainFile.exists() || minecraftMainFile.length() == 0l) {
+                    try {
+                        Tools.downloadFile(
+                            verInfo.downloads.values().toArray(new MinecraftClientInfo[0])[0].url,
+                            minecraftMainJar
+                        );
+                    } catch (Throwable th) {
+                        if (verInfo.inheritsFrom != null) {
+                            minecraftMainFile.delete();
+                            IOUtils.copy(new FileInputStream(new File(Tools.versnDir, verInfo.inheritsFrom + "/" + verInfo.inheritsFrom + ".jar")), new FileOutputStream(minecraftMainFile));
+                        } else {
+                            throw th;
+                        }
+                    }
+                }
+            } catch (Throwable e) {
+                launchWithError = true;
+                throw e;
+            }
+
+            publishProgress("1", mActivity.getString(R.string.mcl_launch_cleancache));
+            // new File(inputPath).delete();
+
+            for (File f : new File(Tools.versnDir).listFiles()) {
+                if(f.getName().endsWith(".part")) {
+                    Log.d(Tools.APP_NAME, "Cleaning cache: " + f);
+                    f.delete();
+                }
+            }
+
+            mActivity.mIsAssetsProcessing = true;
+            mActivity.mPlayButton.post(new Runnable(){
+
+                    @Override
+                    public void run()
+                    {
+                        mActivity.mPlayButton.setText("Skip");
+                        mActivity.mPlayButton.setEnabled(true);
+                    }
+                });
+            publishProgress("1", mActivity.getString(R.string.mcl_launch_download_assets));
+            try {
+                downloadAssets(assets, verInfo.assets, new File(Tools.ASSETS_PATH));
+            } catch (Exception e) {
+                e.printStackTrace();
+
+                // Ignore it
+                launchWithError = false;
+            } finally {
+                mActivity.mIsAssetsProcessing = false;
+            }
+        } catch (Throwable th){
+            throwable = th;
+        } finally {
+            return throwable;
+        }
+    }
+    private int addProgress = 0; // 34
+
+    public void zeroProgress()
+    {
+        addProgress = 0;
+    }
+
+    public void setMax(final int value)
+    {
+        mActivity.mLaunchProgress.post(new Runnable(){
+
+                @Override
+                public void run()
+                {
+                    mActivity.mLaunchProgress.setMax(value);
+                }
+            });
+    }
+
+    @Override
+    protected void onProgressUpdate(String... p1)
+    {
+        int addedProg = Integer.parseInt(p1[0]);
+        if (addedProg != -1) {
+            addProgress = addProgress + addedProg;
+            mActivity.mLaunchProgress.setProgress(addProgress);
+
+            mActivity.mLaunchTextStatus.setText(p1[1]);
+        }
+
+        if (p1.length < 3) {
+            mActivity.mConsoleView.putLog(p1[1] + (p1.length < 3 ? "\n" : ""));
+        }
+    }
+
+    @Override
+    protected void onPostExecute(Throwable p1)
+    {
+        mActivity.mPlayButton.setText("Play");
+        mActivity.mPlayButton.setEnabled(true);
+        mActivity.mLaunchProgress.setMax(100);
+        mActivity.mLaunchProgress.setProgress(0);
+        mActivity.statusIsLaunching(false);
+        if(p1 != null) {
+            p1.printStackTrace();
+            Tools.showError(mActivity, p1);
+        }
+        if(!launchWithError) {
+            mActivity.mCrashView.setLastCrash("");
+
+            try {
+                /*
+                 List<String> jvmArgs = ManagementFactory.getRuntimeMXBean().getInputArguments();
+                 jvmArgs.add("-Xms128M");
+                 jvmArgs.add("-Xmx1G");
+                 */
+                Intent mainIntent = new Intent(mActivity, MainActivity.class);
+                // mainIntent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
+                mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
+                mainIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
+                if (LauncherPreferences.PREF_FREEFORM) {
+                    DisplayMetrics dm = new DisplayMetrics();
+                    mActivity.getWindowManager().getDefaultDisplay().getMetrics(dm);
+
+                    ActivityOptions options = (ActivityOptions) ActivityOptions.class.getMethod("makeBasic").invoke(null);
+                    Rect freeformRect = new Rect(0, 0, dm.widthPixels / 2, dm.heightPixels / 2);
+                    options.getClass().getDeclaredMethod("setLaunchBounds", Rect.class).invoke(options, freeformRect);
+                    mActivity.startActivity(mainIntent, options.toBundle());
+                } else {
+                    mActivity.startActivity(mainIntent);
+                }
+            }
+            catch (Throwable e) {
+                Tools.showError(mActivity, e);
+            }
+
+            /*
+             FloatingIntent maini = new FloatingIntent(PojavLauncherActivity.this, MainActivity.class);
+             maini.startFloatingActivity();
+             */
+        }
+
+        mActivity.mTask = null;
+    }
+
+    public static final String MINECRAFT_RES = "http://resources.download.minecraft.net/";
+
+    public JAssets downloadIndex(String versionName, File output) throws Throwable {
+        if (!output.exists()) {
+            output.getParentFile().mkdirs();
+            DownloadUtils.downloadFile(verInfo.assetIndex != null ? verInfo.assetIndex.url : "http://s3.amazonaws.com/Minecraft.Download/indexes/" + versionName + ".json", output);
+        }
+
+        return new Gson().fromJson(Tools.read(output.getAbsolutePath()), JAssets.class);
+    }
+
+    public void downloadAsset(JAssetInfo asset, File objectsDir) throws IOException, Throwable {
+        String assetPath = asset.hash.substring(0, 2) + "/" + asset.hash;
+        File outFile = new File(objectsDir, assetPath);
+        if (!outFile.exists()) {
+            DownloadUtils.downloadFile(MINECRAFT_RES + assetPath, outFile);
+        }
+    }
+
+    public void downloadAssets(JAssets assets, String assetsVersion, File outputDir) throws IOException, Throwable {
+        File hasDownloadedFile = new File(outputDir, "downloaded/" + assetsVersion + ".downloaded");
+        if (!hasDownloadedFile.exists()) {
+            System.out.println("Assets begin time: " + System.currentTimeMillis());
+            Map<String, JAssetInfo> assetsObjects = assets.objects;
+            mActivity.mLaunchProgress.setMax(assetsObjects.size());
+            zeroProgress();
+            File objectsDir = new File(outputDir, "objects");
+            int downloadedSs = 0;
+            for (JAssetInfo asset : assetsObjects.values()) {
+                if (!mActivity.mIsAssetsProcessing) {
+                    return;
+                }
+
+                downloadAsset(asset, objectsDir);
+                publishProgress("1", mActivity.getString(R.string.mcl_launch_downloading, assetsObjects.keySet().toArray(new String[0])[downloadedSs]));
+                downloadedSs++;
+            }
+            hasDownloadedFile.getParentFile().mkdirs();
+            hasDownloadedFile.createNewFile();
+            System.out.println("Assets end time: " + System.currentTimeMillis());
+        }
+    }
+    
+
+    private JMinecraftVersionList.Version findVersion(String version) {
+        if (mActivity.mVersionList != null) {
+            for (JMinecraftVersionList.Version valueVer: mActivity.mVersionList.versions) {
+                if (valueVer.id.equals(version)) {
+                    return valueVer;
+                }
+            }
+        }
+
+        // Custom version, inherits from base.
+        return Tools.getVersionInfo(version);
+    }
+}

app/src/main/java/net/kdt/pojavlaunch/tasks/RefreshVersionListTask.java

@@ -0,0 +1,128 @@
+package net.kdt.pojavlaunch.tasks;
+
+import android.os.*;
+import android.support.v7.widget.*;
+import android.view.*;
+import android.widget.*;
+import android.widget.AdapterView.*;
+import com.google.gson.*;
+import java.io.*;
+import java.util.*;
+import net.kdt.pojavlaunch.*;
+import net.kdt.pojavlaunch.prefs.*;
+import net.kdt.pojavlaunch.utils.*;
+
+import android.support.v7.widget.PopupMenu;
+
+public class RefreshVersionListTask extends AsyncTask<Void, Void, ArrayList<String>>
+{
+    private BaseLauncherActivity mActivity;
+    
+    public RefreshVersionListTask(BaseLauncherActivity activity) {
+        mActivity = activity;
+    }
+    
+    @Override
+    protected ArrayList<String> doInBackground(Void[] p1)
+    {
+        try {
+            mActivity.mVersionList = new Gson().fromJson(DownloadUtils.downloadString("https://launchermeta.mojang.com/mc/game/version_manifest.json"), JMinecraftVersionList.class);
+            ArrayList<String> versionStringList = filter(mActivity.mVersionList.versions, new File(Tools.versnDir).listFiles());
+
+            return versionStringList;
+        } catch (Exception e){
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(ArrayList<String> result)
+    {
+        super.onPostExecute(result);
+
+        final PopupMenu popup = new PopupMenu(mActivity, mActivity.mVersionSelector);  
+        popup.getMenuInflater().inflate(R.menu.menu_versionopt, popup.getMenu());  
+
+        if(result != null && result.size() > 0) {
+            ArrayAdapter<String> adapter = new ArrayAdapter<String>(mActivity, android.R.layout.simple_spinner_item, result);
+            adapter.setDropDownViewResource(android.R.layout.simple_list_item_single_choice);
+            mActivity.mVersionSelector.setAdapter(adapter);
+            mActivity.mVersionSelector.setSelection(selectAt(result.toArray(new String[0]), mActivity.mProfile.getVersion()));
+        } else {
+            mActivity.mVersionSelector.setSelection(selectAt(mActivity.mAvailableVersions, mActivity.mProfile.getVersion()));
+        }
+        mActivity.mVersionSelector.setOnItemSelectedListener(new OnItemSelectedListener(){
+
+                @Override
+                public void onItemSelected(AdapterView<?> p1, View p2, int p3, long p4)
+                {
+                    String version = p1.getItemAtPosition(p3).toString();
+                    mActivity.mProfile.setVersion(version);
+
+                    PojavProfile.setCurrentProfile(mActivity, mActivity.mProfile);
+                    if (PojavProfile.isFileType(mActivity)) {
+                        PojavProfile.setCurrentProfile(mActivity, MCProfile.build(mActivity.mProfile));
+                    }
+
+                    mActivity.mTextVersion.setText(mActivity.getString(R.string.mcl_version_msg, version));
+                }
+
+                @Override
+                public void onNothingSelected(AdapterView<?> p1)
+                {
+                    // TODO: Implement this method
+                }
+            });
+        mActivity.mVersionSelector.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener(){
+                @Override
+                public boolean onItemLongClick(AdapterView<?> p1, View p2, int p3, long p4)
+                {
+                    // Implement copy, remove, reinstall,...
+                    popup.show();
+                    return true;
+                }
+            });
+
+        popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {  
+                public boolean onMenuItemClick(MenuItem item) {  
+                    return true;  
+                }  
+            });  
+
+        mActivity.mTextVersion.setText(mActivity.getString(R.string.mcl_version_msg) + mActivity.mVersionSelector.getSelectedItem());
+    }
+    
+    private ArrayList<String> filter(JMinecraftVersionList.Version[] list1, File[] list2) {
+        ArrayList<String> output = new ArrayList<String>();
+
+        for (JMinecraftVersionList.Version value1: list1) {
+            if ((value1.type.equals("release") && LauncherPreferences.PREF_VERTYPE_RELEASE) ||
+                (value1.type.equals("snapshot") && LauncherPreferences.PREF_VERTYPE_SNAPSHOT) ||
+                (value1.type.equals("old_alpha") && LauncherPreferences.PREF_VERTYPE_OLDALPHA) ||
+                (value1.type.equals("old_beta") && LauncherPreferences.PREF_VERTYPE_OLDBETA)) {
+                output.add(value1.id);
+            }
+        }
+
+        for (File value2: list2) {
+            if (!output.contains(value2.getName())) {
+                output.add(value2.getName());
+            }
+        }
+
+        return output;
+    }
+    
+    private int selectAt(String[] strArr, String select) {
+        int count = 0;
+        for(String str : strArr){
+            if (str.equals(select)) {
+                return count;
+            } else {
+                count++;
+            }
+        }
+        return -1;
+	}
+}