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Hide non-system overlay window on ActivityPicker

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To improve security.

Bug: 181962311
Test: manual
      Show an AlertDialog and observe if it will hide after below command.
      adb shell am start -a android.intent.action.PICK_ACTIVITY -n com.android.settings/.ActivityPicker
Change-Id: I43bb0f47a96719c61c5beb4ddf486b14cbdd6ee8
Merged-In: I6e2845cc19dc012cba2933318a067bbb8db90a23
This commit is contained in:
Arc Wang
2021-04-07 10:04:56 +08:00
parent bcc7f89f85
commit 636e70fbf2
1 changed files with 4 additions and 0 deletions
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4
src/com/android/settings/ActivityPicker.java
View File

@@ -16,6 +16,8 @@
package com.android.settings; package com.android.settings;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
import android.app.Activity; import android.app.Activity;
import android.content.Context; import android.content.Context;
import android.content.DialogInterface; import android.content.DialogInterface;
@@ -72,6 +74,8 @@ public class ActivityPicker extends AlertActivity implements
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
getWindow().addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
final Intent intent = getIntent(); final Intent intent = getIntent();
// Read base intent from extras, otherwise assume default // Read base intent from extras, otherwise assume default