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Refactor LauncherFragment.java

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This commit is contained in:
SerpentSpirale 2022-02-25 23:39:03 +01:00 committed by ArtDev
parent 9705b01bb3
commit a78e66f793
1 changed files with 77 additions and 78 deletions
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155
app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/fragments/LauncherFragment.java
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@ -4,12 +4,12 @@ import android.content.Intent;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.fragment.app.Fragment;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
@ -25,74 +25,45 @@ import net.kdt.pojavlaunch.prefs.LauncherPreferences;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Locale;
import java.util.Objects;
public class LauncherFragment extends Fragment
{
private WebView webNews;
private View view;
private Thread validUrlSelectorThread;
private String validChangelog = "/changelog.html";
private Handler mainHandler = new Handler(Looper.getMainLooper());
private boolean interruptLoad = false;
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
view = inflater.inflate(R.layout.lmaintab_news, container, false);
return view;
}
public void selectValidUrl() {
String lang = LauncherPreferences.PREF_LANGUAGE;
if(lang.equals("default")) lang = Locale.getDefault().getLanguage();
final String localizedUrl = "/changelog-"+lang+".html";
if(!tryUrl(Tools.URL_HOME+localizedUrl)) return;
else {
mainHandler.post(()->{
interruptLoad = true;
validChangelog = localizedUrl;
webNews.loadUrl(Tools.URL_HOME+validChangelog);
});
}
}
public boolean tryUrl(String url) {
Log.i("ChangelogLocale","Trying localized url: "+url);
try {
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
conn.connect();
Log.i("ChangelogLocale","Code: "+conn.getResponseCode());
return ("" + conn.getResponseCode()).startsWith("2");
}catch (IOException e) {
e.printStackTrace();
return false;
}
}
public class LauncherFragment extends Fragment {
private WebView mNewsWebview;
private View mRootView;
private Thread mValidUrlSelectorThread;
private String mValidChangelog = "/changelog.html";
private boolean mInterruptLoad = false;
@Override
public void onActivityCreated(Bundle p1)
{
super.onActivityCreated(p1);
mainHandler = new Handler(Looper.myLooper());
webNews = (WebView) getView().findViewById(R.id.lmaintabnewsNewsView);
webNews.setWebViewClient(new WebViewClient(){
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
mRootView = inflater.inflate(R.layout.lmaintab_news, container, false);
return mRootView;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
mNewsWebview = (WebView) getView().findViewById(R.id.lmaintabnewsNewsView);
mNewsWebview.setWebViewClient(new WebViewClient(){
// API < 23
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
Log.i("WebNews",failingUrl + ": "+description);
if(webNews != null){
if(validUrlSelectorThread.isAlive()) validUrlSelectorThread.interrupt();
removeWebView();
//Change the background to match the other pages.
//We change it only when the webView is removed to avoid huge overdraw.
LauncherFragment.this.view.setBackgroundColor(Color.parseColor("#44000000"));
}
if(mNewsWebview == null) return;
if(mValidUrlSelectorThread.isAlive()) mValidUrlSelectorThread.interrupt();
removeWebView();
//Change the background to match the other pages.
//We change it only when the webView is removed to avoid huge overdraw.
LauncherFragment.this.mRootView.setBackgroundColor(Color.parseColor("#44000000"));
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if(!url.equals(Tools.URL_HOME + validChangelog)){
if(!url.equals(Tools.URL_HOME + mValidChangelog)){
Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(i);
return true;
@ -104,17 +75,17 @@ public class LauncherFragment extends Fragment
@Override
public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
Log.i("WebNews",error.getDescription()+"");
if(webNews != null){
if(validUrlSelectorThread.isAlive()) validUrlSelectorThread.interrupt();
removeWebView();
LauncherFragment.this.view.setBackgroundColor(Color.parseColor("#44000000"));
}
if(mNewsWebview == null) return;
if(mValidUrlSelectorThread.isAlive()) mValidUrlSelectorThread.interrupt();
removeWebView();
LauncherFragment.this.mRootView.setBackgroundColor(Color.parseColor("#44000000"));
}
@RequiresApi(23)
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
if(!request.getUrl().toString().equals(Tools.URL_HOME + validChangelog)){
if(!request.getUrl().toString().equals(Tools.URL_HOME + mValidChangelog)){
Intent i = new Intent(Intent.ACTION_VIEW, request.getUrl());
startActivity(i);
return true;
@ -122,36 +93,64 @@ public class LauncherFragment extends Fragment
return false;
}
});
webNews.clearCache(true);
webNews.getSettings().setJavaScriptEnabled(true);
validUrlSelectorThread = new Thread(this::selectValidUrl);
validUrlSelectorThread.start();
if(!interruptLoad)webNews.loadUrl(Tools.URL_HOME + validChangelog);
mNewsWebview.clearCache(true);
mNewsWebview.getSettings().setJavaScriptEnabled(true);
mValidUrlSelectorThread = new Thread(this::selectValidUrl);
mValidUrlSelectorThread.start();
if(!mInterruptLoad) mNewsWebview.loadUrl(Tools.URL_HOME + mValidChangelog);
}
private void selectValidUrl() {
String lang = LauncherPreferences.PREF_LANGUAGE;
if(lang.equals("default")) lang = Locale.getDefault().getLanguage();
final String localizedUrl = "/changelog-" + lang + ".html";
if(!tryUrl(Tools.URL_HOME+localizedUrl)) return;
requireActivity().runOnUiThread(() -> {
mInterruptLoad = true;
mValidChangelog = localizedUrl;
mNewsWebview.loadUrl(Tools.URL_HOME + mValidChangelog);
});
}
private boolean tryUrl(String url) {
Log.i("ChangelogLocale","Trying localized url: "+url);
try {
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
conn.connect();
Log.i("ChangelogLocale","Code: "+conn.getResponseCode());
return ("" + conn.getResponseCode()).startsWith("2");
}catch (IOException e) {
e.printStackTrace();
return false;
}
}
private void removeWebView() {
//Removing the parent which contain the webView crashes the viewPager.
//So I just try to "minimize" its impact on memory instead
webNews.clearHistory();
webNews.clearCache(true);
mNewsWebview.clearHistory();
mNewsWebview.clearCache(true);
// Loading a blank page is optional, but will ensure that the WebView isn't doing anything when you destroy it.
webNews.loadUrl("about:blank");
mNewsWebview.loadUrl("about:blank");
webNews.onPause();
webNews.removeAllViews();
webNews.destroyDrawingCache();
mNewsWebview.onPause();
mNewsWebview.removeAllViews();
mNewsWebview.destroyDrawingCache();
// make sure to call webNews.resumeTimers().
webNews.pauseTimers();
mNewsWebview.pauseTimers();
webNews.setVisibility(View.GONE);
mNewsWebview.setVisibility(View.GONE);
webNews.destroy();
mNewsWebview.destroy();
// Null out the reference so that you don't end up re-using it.
webNews = null;
mNewsWebview = null;
}