Codebase: Resource "id" remove & prevent some of null crash exception

app/src/main/java/com/wmods/wppenhacer/MainActivity.java

@@ -31,8 +31,10 @@ protected void onCreate(Bundle savedInstanceState) {
         getTheme().applyStyle(rikka.material.preference.R.style.ThemeOverlay_Rikka_Material3_Preference, true);
         getTheme().applyStyle(R.style.ThemeOverlay, true);
         super.onCreate(savedInstanceState);
-        getSupportActionBar().setDisplayShowHomeEnabled(true);
-        getSupportActionBar().setIcon(R.mipmap.launcher);
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayShowHomeEnabled(true);
+            getSupportActionBar().setIcon(R.mipmap.launcher);
+        }
         binding = ActivityMainBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
         NavHostFragment navHostFragment = (NavHostFragment) getSupportFragmentManager().findFragmentById(R.id.nav_host_fragment_activity_main);

app/src/main/java/com/wmods/wppenhacer/ui/fragments/MediaFragment.java

@@ -3,18 +3,20 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
+import android.util.Log;
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 
 import com.wmods.wppenhacer.R;
 import com.wmods.wppenhacer.ui.fragments.base.BasePreFragment;
 import com.wmods.wppenhacer.utils.RealPathUtil;
 
 public class MediaFragment extends BasePreFragment {
 
-
+    private final String TAG = "MediaFragment";
     private ActivityResultLauncher<Uri> mContract;
 
     @Override
@@ -23,7 +25,10 @@ public void onCreate(@Nullable Bundle savedInstanceState) {
         mContract = registerForActivityResult(new ActivityResultContracts.OpenDocumentTree(), result -> {
             if (result == null) return;
             var realPath  = RealPathUtil.getRealPathFromURI_API19(getContext(), result);
-            findPreference("localdownload").setSummary(realPath);
+            Preference preference = findPreference("localdownload");
+            if (preference != null) {
+                preference.setSummary(realPath);
+            }
             mPrefs.edit().putString("localdownload", realPath).apply();
         });
     }
@@ -33,11 +38,14 @@ public void onCreatePreferences(@Nullable Bundle savedInstanceState, @Nullable S
         super.onCreatePreferences(savedInstanceState, rootKey);
         setPreferencesFromResource(R.xml.fragment_media, rootKey);
         var localPref = findPreference("localdownload");
+        if (localPref == null) {
+            Log.e(TAG, "localPref is null!");
+            return;
+        }
         localPref.setOnPreferenceClickListener((preference) -> {
             mContract.launch(null);
             return true;
         });
         localPref.setSummary(mPrefs.getString("localdownload", Environment.getExternalStorageDirectory().getPath()+"/Download"));
     }
-
 }

app/src/main/java/com/wmods/wppenhacer/utils/ColorReplacement.java

@@ -49,9 +49,9 @@ static void replace(ImageView view) {
                             view.setColorFilter(IColors.parseColor(sColorSub + newColor));
                     }
                 }
-            } else {
-//                XposedBridge.log("Image replacement: " + colorFilter.getClass().getName());
-            }
+            }/* else {
+                XposedBridge.log("Image replacement: " + colorFilter.getClass().getName());
+            }*/
         }
     }
 

app/src/main/java/com/wmods/wppenhacer/utils/DrawableColors.java

@@ -110,9 +110,9 @@ public static int getColor(Drawable drawable) {
         } else if (drawable instanceof InsetDrawable insetDrawable) {
             color = getInsetDrawableColor(insetDrawable);
         }
-        if (colors.get(IColors.toString(color)) == null) {
+//        if (colors.get(IColors.toString(color)) == null) {
 //            XposedBridge.log("(getColor) Color: " + IColors.toString(color) + " / Class: " + drawable.getClass());
-        }
+//        }
         return color;
     }
 

app/src/main/java/com/wmods/wppenhacer/views/HorizontalListView.java

@@ -12,6 +12,8 @@
 import android.widget.ListAdapter;
 import android.widget.Scroller;
 
+import androidx.annotation.NonNull;
+
 import java.util.LinkedList;
 import java.util.Queue;
 
@@ -289,18 +291,18 @@ protected boolean onDown(MotionEvent e) {
     private final GestureDetector.OnGestureListener mOnGesture = new GestureDetector.SimpleOnGestureListener() {
 
         @Override
-        public boolean onDown(MotionEvent e) {
+        public boolean onDown(@NonNull MotionEvent e) {
             return HorizontalListView.this.onDown(e);
         }
 
         @Override
-        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
+        public boolean onFling(MotionEvent e1, @NonNull MotionEvent e2, float velocityX,
                                float velocityY) {
             return HorizontalListView.this.onFling(e1, e2, velocityX, velocityY);
         }
 
         @Override
-        public boolean onScroll(MotionEvent e1, MotionEvent e2,
+        public boolean onScroll(MotionEvent e1, @NonNull MotionEvent e2,
                                 float distanceX, float distanceY) {
 
             getParent().requestDisallowInterceptTouchEvent(true);
@@ -314,7 +316,7 @@ public boolean onScroll(MotionEvent e1, MotionEvent e2,
         }
 
         @Override
-        public boolean onSingleTapConfirmed(MotionEvent e) {
+        public boolean onSingleTapConfirmed(@NonNull MotionEvent e) {
             XposedBridge.log("onSingleTapConfirmed");
             Rect viewRect = new Rect();
             for (int i = 0; i < getChildCount(); i++) {
@@ -346,7 +348,7 @@ public boolean onSingleTapConfirmed(MotionEvent e) {
         }
 
         @Override
-        public void onLongPress(MotionEvent e) {
+        public void onLongPress(@NonNull MotionEvent e) {
             Rect viewRect = new Rect();
             int childCount = getChildCount();
             for (int i = 0; i < childCount; i++) {

app/src/main/java/com/wmods/wppenhacer/xposed/core/MainFeatures.java

@@ -128,8 +128,10 @@ private static void registerReceivers() {
             @Override
             public void onReceive(Context context, Intent intent) {
                 if (context.getPackageName().equals(intent.getStringExtra("PKG"))) {
-                    Toast.makeText(context, "Rebooting " + context.getPackageManager().getApplicationLabel(context.getApplicationInfo()) + "...", Toast.LENGTH_SHORT).show();
-                    Utils.doRestart(context);
+                    var appName = context.getPackageManager().getApplicationLabel(context.getApplicationInfo());
+                    Toast.makeText(context, "Rebooting " +  appName + "...", Toast.LENGTH_SHORT).show();
+                    if (!Utils.doRestart(context))
+                        Toast.makeText(context, "Unable to rebooting " + appName, Toast.LENGTH_SHORT).show();
                 }
             }
         };

app/src/main/java/com/wmods/wppenhacer/xposed/core/Unobfuscator.java

@@ -1132,7 +1132,7 @@ public static Field loadSetEditMessageField(ClassLoader loader) throws Exception
                     return field.getFieldInstance(loader);
                 }
             }
-            throw new RuntimeException("GetEditMessage method not found");
+            throw new RuntimeException("SetEditMessage method not found");
         });
     }
 

app/src/main/java/com/wmods/wppenhacer/xposed/core/UnobfuscatorCache.java

@@ -13,6 +13,7 @@
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Collectors;
 
 import de.robv.android.xposed.XSharedPreferences;
@@ -161,7 +162,9 @@ public void saveClass(String message, Class<?> messageClass) {
     }
 
     private String getKeyName() {
-        return Arrays.stream(Thread.currentThread().getStackTrace()).filter(stackTraceElement -> stackTraceElement.getClassName().equals(Unobfuscator.class.getName())).findFirst().get().getMethodName();
+        AtomicReference<String> keyName = new AtomicReference<>("");
+        Arrays.stream(Thread.currentThread().getStackTrace()).filter(stackTraceElement -> stackTraceElement.getClassName().equals(Unobfuscator.class.getName())).findFirst().ifPresent(stackTraceElement -> keyName.set(stackTraceElement.getMethodName()));
+        return keyName.get();
     }
 
     public Constructor getConstructor(ClassLoader loader, FunctionCall functionCall) throws Exception {

app/src/main/java/com/wmods/wppenhacer/xposed/core/Utils.java

@@ -24,14 +24,18 @@ public static Application getApplication() {
         return MainFeatures.mApp;
     }
 
-    public static void doRestart(Context context) {
+    public static boolean doRestart(Context context) {
         PackageManager packageManager = context.getPackageManager();
         Intent intent = packageManager.getLaunchIntentForPackage(context.getPackageName());
+        if (intent == null)
+            return false;
+
         ComponentName componentName = intent.getComponent();
         Intent mainIntent = Intent.makeRestartActivityTask(componentName);
         mainIntent.setPackage(context.getPackageName());
         context.startActivity(mainIntent);
         Runtime.getRuntime().exit(0);
+        return true;
     }
 
     @SuppressLint("DiscouragedApi")

app/src/main/java/com/wmods/wppenhacer/xposed/core/WaCallback.java

@@ -5,6 +5,7 @@
 import android.app.Application;
 import android.content.Context;
 import android.os.Bundle;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -31,7 +32,8 @@ public void onActivityResumed(@NonNull Activity activity) {
                 new AlertDialogWpp(activity).
                         setMessage(activity.getString(ResId.string.restart_wpp)).
                         setPositiveButton(activity.getString(ResId.string.yes), (dialog, which) -> {
-                            Utils.doRestart(activity);
+                            if (!Utils.doRestart(activity))
+                                Toast.makeText(activity, "Unable to rebooting activity", Toast.LENGTH_SHORT).show();
                         })
                         .setNegativeButton(activity.getString(ResId.string.no), null)
                         .show();

app/src/main/java/com/wmods/wppenhacer/xposed/core/WppCore.java

@@ -7,6 +7,8 @@
 import android.content.SharedPreferences;
 import android.graphics.drawable.Drawable;
 
+import androidx.annotation.Nullable;
+
 import java.io.File;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
@@ -110,11 +112,14 @@ public static Object getContactManager() {
         return mContactManager;
     }
 
+    @Nullable
     public static String getContactName(Object userJid) {
         try {
             var contact = getContactMethod.invoke(mContactManager, userJid);
-            var stringField = Arrays.stream(contact.getClass().getDeclaredFields()).filter(f -> f.getType().equals(String.class)).toArray(Field[]::new);
-            return (String) stringField[3].get(contact);
+            if (contact != null) {
+                var stringField = Arrays.stream(contact.getClass().getDeclaredFields()).filter(f -> f.getType().equals(String.class)).toArray(Field[]::new);
+                return (String) stringField[3].get(contact);
+            }
         } catch (Exception e) {
             XposedBridge.log(e);
         }

app/src/main/java/com/wmods/wppenhacer/xposed/features/customization/CustomTheme.java

@@ -72,8 +72,7 @@ public void doHook() throws Exception {
             if (!backgroundColor.equals("0")) {
                 switch (c) {
                     case "0b141a" -> colors.put(c, backgroundColor.substring(3));
-                    case "#ff0b141a" -> colors.put(c, backgroundColor);
-                    case "#ff111b21" -> colors.put(c, backgroundColor);
+                    case "#ff0b141a", "#ff111b21" -> colors.put(c, backgroundColor);
                 }
             }
 

app/src/main/java/com/wmods/wppenhacer/xposed/features/customization/SeparateGroup.java

@@ -285,10 +285,13 @@ private List filterChat(Object thiz, List chatsList) {
         return editableChatList;
     }
 
-    private void hookTabList(Class<?> home) throws Exception {
+    private void hookTabList(@NonNull Class<?> home) throws Exception {
         var onCreateTabList = Unobfuscator.loadTabListMethod(loader);
         logDebug(Unobfuscator.getMethodDescriptor(onCreateTabList));
         var fieldTabsList = Arrays.stream(home.getDeclaredFields()).filter(f -> f.getType().equals(List.class)).findFirst().orElse(null);
+        if (fieldTabsList == null) {
+            throw new NullPointerException("fieldTabList is NULL!");
+        }
         fieldTabsList.setAccessible(true);
 
         XposedBridge.hookMethod(onCreateTabList, new XC_MethodHook() {

app/src/main/java/com/wmods/wppenhacer/xposed/features/general/ShowEditMessage.java

@@ -159,7 +159,9 @@ private void showBottomDialog(ArrayList<MessageHistory.MessageItem> messages) {
             int dip = Utils.dipToPixels(20);
             linearLayout.setPadding(dip, dip, dip, 0);
             Drawable bg = DesignUtils.createDrawable("rc_dialog_bg");
-            bg.setTint(DesignUtils.getPrimarySurfaceColor(ctx));
+            if (bg != null) {
+                bg.setTint(DesignUtils.getPrimarySurfaceColor(ctx));
+            }
             linearLayout.setBackground(bg);
 
             // Title View
@@ -204,8 +206,10 @@ private void showBottomDialog(ArrayList<MessageHistory.MessageItem> messages) {
             linearLayout.addView(okButton);
             nestedScrollView0.addView(linearLayout);
             dialog.setContentView(nestedScrollView0);
-            dialog.getWindow().setBackgroundDrawable(new ColorDrawable(0x00000000));
-            dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
+            if (dialog.getWindow() != null) {
+                dialog.getWindow().setBackgroundDrawable(new ColorDrawable(0x00000000));
+                dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
+            }
             dialog.setCanceledOnTouchOutside(true);
             dialog.show();
         });