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show window in app_process (impossible to work from Android 14 QPR 3 or Android 15, as addView requires the calling process an Android app process)
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token = new Binder(); | |
try { | |
Context _context = android.app.ActivityThread.systemMain().getSystemContext(); | |
final Context context = new ContextWrapper(_context) { | |
@Override | |
public Object getSystemService(String name) { | |
if (Context.WINDOW_SERVICE.equals(name)) { | |
WindowManager wm = (WindowManager) super.getSystemService(name); | |
if (wm != null) { | |
((android.view.WindowManagerImpl) wm).setDefaultToken(token); | |
} | |
return wm; | |
} | |
return super.getSystemService(name); | |
} | |
}; | |
context.setTheme(android.R.style.Theme_Material_Light); | |
CharSequence label = context.getPackageManager().getApplicationLabel(context.getPackageManager().getApplicationInfo("com.android.settings", 0)); | |
LogUtils.i("label " + label); | |
android.widget.Toast.makeText(context, "test", Toast.LENGTH_LONG).show(); | |
LogUtils.i("toast"); | |
android.view.WindowManager wm = context.getSystemService(WindowManager.class); | |
LogUtils.i("class: " + wm.getClass().getName()); | |
//((android.view.WindowManagerImpl) wm).setDefaultToken(token); | |
LinearLayout root = new LinearLayout(context); | |
root.setBackground(new ColorDrawable(0xffffffff)); | |
TextView textView = new TextView(context); | |
textView.setText("test"); | |
root.addView(textView); | |
Button button = new Button(context); | |
button.setSoundEffectsEnabled(false); | |
button.setText("test"); | |
button.setOnClickListener(new View.OnClickListener() { | |
@Override | |
public void onClick(View v) { | |
Toast.makeText(context, "?!", Toast.LENGTH_LONG).show(); | |
} | |
}); | |
root.addView(button); | |
WindowManager.LayoutParams params = new WindowManager.LayoutParams( | |
WindowManager.LayoutParams.WRAP_CONTENT, | |
WindowManager.LayoutParams.WRAP_CONTENT, | |
WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG, | |
WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL, | |
PixelFormat.TRANSLUCENT); | |
params.gravity = Gravity.CENTER; | |
params.x = 0; | |
params.y = 0; | |
wm.addView(root, params); | |
} catch (Throwable tr) { | |
LogUtils.e(tr.getMessage(), tr); | |
} |
Maybe there is some workaround for this? The most important thing I need is to draw something as an overlay from background process.
I am not writing viruses. Simply some oems put code to limit GPU performance of background apps.
Maybe SurfaceControl.Transactions?
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Change opPackageName? I don't remember:(
Btw, this will never work starting from Android 14 QPR 3 or Android 15, as addView now checks if the calling process is a valid Android app process.