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Commit 14ed4a0e authored by Mill Chen's avatar Mill Chen
Browse files

Prevent accounts page directly opening in screen pinning mode 

In Settings there is no auth mechanism to prevent accounts page being
opened in screen pinning mode. This CL makes it so that when users are
trying to navigate to any pages in Settings from other apps in screen
pinning mode, Settings app will directly close its page.

Bug: 137015265
Test: manual
Change-Id: Ice2250eb00be9d2181901cef6d1f04b4a8233bfc
parent ea437806

src/com/android/settings/core/SettingsBaseActivity.java

+21 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ package com.android.settings.core; 


import android.annotation.LayoutRes;

import android.annotation.Nullable;

import android.app.ActivityManager;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;
@@ -26,6 +27,7 @@ import android.content.pm.PackageManager; 
import android.content.res.TypedArray;

import android.os.AsyncTask;

import android.os.Bundle;

import android.text.TextUtils;

import android.util.ArraySet;

import android.util.Log;

import android.view.LayoutInflater;
@@ -61,6 +63,10 @@ public class SettingsBaseActivity extends FragmentActivity { 
    @Override

    protected void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        if (isLockTaskModePinned() && !isSettingsRunOnTop()) {

            Log.w(TAG, "Devices lock task mode pinned.");

            finish();

        }

        final long startTime = System.currentTimeMillis();

        getLifecycle().addObserver(new HideNonSystemOverlayMixin(this));
@@ -148,6 +154,21 @@ public class SettingsBaseActivity extends FragmentActivity { 
        }

    }





    private boolean isLockTaskModePinned() {

        final ActivityManager activityManager =

                getApplicationContext().getSystemService(ActivityManager.class);

        return activityManager.getLockTaskModeState() == ActivityManager.LOCK_TASK_MODE_PINNED;

    }



    private boolean isSettingsRunOnTop() {

        final ActivityManager activityManager =

                getApplicationContext().getSystemService(ActivityManager.class);

        final String taskPkgName = activityManager.getRunningTasks(1 /* maxNum */)

                .get(0 /* index */).baseActivity.getPackageName();

        return TextUtils.equals(getPackageName(), taskPkgName);

    }



    /**

     * @return whether or not the enabled state actually changed.

     */