Build: Add @Keep directives to allow build with proguard

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/JAssetInfo.java

@@ -1,5 +1,8 @@
 package net.kdt.pojavlaunch;
 
+import androidx.annotation.Keep;
+
+@Keep
 public class JAssetInfo
 {
 	public String hash;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/JAssets.java

@@ -1,9 +1,12 @@
 package net.kdt.pojavlaunch;
 
+import androidx.annotation.Keep;
+
 import com.google.gson.annotations.SerializedName;
 
 import java.util.Map;
 
+@Keep
 public class JAssets {
     @SerializedName("map_to_resources") public boolean mapToResources;
     public Map<String, JAssetInfo> objects;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/JMinecraftVersionList.java

@@ -75,6 +75,7 @@ public class JMinecraftVersionList {
                 public String features;
                 public ArgOS os;
 
+                @Keep
                 public static class ArgOS {
                     public String name;
                     public String version;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/AccountSkin.java

@@ -1,51 +0,0 @@
-package net.kdt.pojavlaunch.value;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.util.Base64;
-import java.io.File;
-import java.io.IOException;
-import java.util.Map;
-import net.kdt.pojavlaunch.Tools;
-import net.kdt.pojavlaunch.utils.DownloadUtils;
-
-public class AccountSkin {
-    public static Bitmap getSkin(String uuid) throws IOException {
-        Profile p = Tools.GLOBAL_GSON.fromJson(DownloadUtils.downloadString("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid), Profile.class);
-        for (Property property : p.properties) {
-            if (property.name.equals("textures")) {
-                return getSkinFromProperty(Tools.GLOBAL_GSON.fromJson(new String(Base64.decode(property.value, Base64.DEFAULT), "UTF-8"), SkinProperty.class));
-            }
-        }
-        
-        return null;
-    }
-    
-    private static Bitmap getSkinFromProperty(SkinProperty p) throws IOException {
-        for (Map.Entry<String, Texture> texture : p.textures.entrySet()) {
-            if (texture.getKey().equals("SKIN")) {
-                String skinFile = File.createTempFile("skin", ".png", new File(Tools.DIR_DATA, "cache")).getAbsolutePath();
-                Tools.downloadFile(texture.getValue().url.replace("http://","https://"), skinFile);
-                return BitmapFactory.decodeFile(skinFile);
-            }
-        }
-        
-        return null;
-    }
-    
-    public static class Texture {
-        public String url;
-    }
-    
-    public static class SkinProperty {
-        public Map<String, Texture> textures;
-    }
-    
-    public static class Property {
-        public String name, value;
-    }
-    
-    public static class Profile {
-        public Property[] properties;
-    }
-}
-

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/ForgeInstallProfile.java

@@ -1,12 +1,16 @@
 package net.kdt.pojavlaunch.value;
 
+import androidx.annotation.Keep;
+
 import net.kdt.pojavlaunch.*;
 
+@Keep
 public class ForgeInstallProfile {
     // ----- < 1.12.2 Forge Install Profile -----
     public ForgeInstallProperties install;
     public JMinecraftVersionList.Version versionInfo;
-    
+
+    @Keep
     public static class ForgeInstallProperties {
         public String profileName;
         public String target;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/MinecraftAccount.java

@@ -9,10 +9,13 @@ import java.io.*;
 import com.google.gson.*;
 import android.graphics.Bitmap;
 import android.util.Base64;
+
+import androidx.annotation.Keep;
+
 import org.apache.commons.io.IOUtils;
 
-public class MinecraftAccount
+@Keep
-{
+public class MinecraftAccount {
     public String accessToken = "0"; // access token
     public String clientToken = "0"; // clientID: refresh and invalidate
     public String profileId = "00000000-0000-0000-0000-000000000000"; // profile UUID, for obtaining skin

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/MinecraftClientInfo.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value;
 
-public class MinecraftClientInfo
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftClientInfo {
 	public String sha1;
 	public int size;
 	public String url;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/MinecraftLibraryArtifact.java

@@ -1,6 +1,8 @@
 package net.kdt.pojavlaunch.value;
 
-public class MinecraftLibraryArtifact extends MinecraftClientInfo
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftLibraryArtifact extends MinecraftClientInfo {
 	public String path;
 }

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/PerVersionConfig.java

@@ -1,5 +1,7 @@
 package net.kdt.pojavlaunch.value;
 
+import androidx.annotation.Keep;
+
 import com.google.gson.JsonSyntaxException;
 import com.google.gson.reflect.TypeToken;
 
@@ -10,6 +12,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.HashMap;
 
+@Keep
 public class PerVersionConfig {
     static File pvcFile;
     public static HashMap<String,VersionConfig> configMap;
@@ -37,6 +40,8 @@ public class PerVersionConfig {
     public static boolean exists() {
         return new File(Tools.DIR_GAME_HOME,"per-version-config.json").exists();
     }
+
+    @Keep
     public static class VersionConfig {
         public String jvmArgs;
         public String gamePath;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/LauncherProfiles.java

@@ -3,8 +3,7 @@ import com.google.gson.*;
 import net.kdt.pojavlaunch.*;
 import java.io.*;
 
-public class LauncherProfiles
+public class LauncherProfiles {
-{
     public static MinecraftLauncherProfiles mainProfileJson;
     public static File launcherProfilesFile = new File(Tools.DIR_GAME_NEW + "/launcher_profiles.json");
     public static MinecraftLauncherProfiles update() {

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftAuthenticationDatabase.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
 
-public class MinecraftAuthenticationDatabase
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftAuthenticationDatabase {
 	public String accessToken;
     public String displayName;
 	public String username;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftLauncherProfiles.java

@@ -1,9 +1,11 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
+import androidx.annotation.Keep;
+
 import java.util.*;
 import net.kdt.pojavlaunch.*;
 
-public class MinecraftLauncherProfiles
+@Keep
-{
+public class MinecraftLauncherProfiles {
 	public Map<String, MinecraftProfile> profiles = new HashMap<>();
 	public boolean profilesWereMigrated;
 	public String clientToken;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftLauncherSettings.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
 
-public class MinecraftLauncherSettings
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftLauncherSettings {
 	public boolean enableSnapshots;
 	public boolean enableAdvanced;
 	public boolean keepLauncherOpen;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftProfile.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
 
-public class MinecraftProfile
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftProfile {
 	public String name;
 	public String type;
 	public String created;

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftResolution.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
 
-public class MinecraftResolution
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftResolution {
 	public int width;
 	public int height;
 }

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/value/launcherprofiles/MinecraftSelectedUser.java

@@ -1,7 +1,9 @@
 package net.kdt.pojavlaunch.value.launcherprofiles;
 
-public class MinecraftSelectedUser
+import androidx.annotation.Keep;
-{
+
+@Keep
+public class MinecraftSelectedUser {
 	public String account;
 	public String profile;
 }