1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.google.android.example.locktasktests;
18
19import android.app.Activity;
20import android.app.ActivityManager;
21import android.content.Context;
22import android.content.Intent;
23import android.os.Bundle;
24import android.os.Handler;
25import android.os.Looper;
26import android.view.View;
27import android.widget.EditText;
28
29public class LaunchActivity extends Activity {
30
31    Runnable mBackgroundPolling;
32    boolean mRunning;
33    Handler mHandler;
34
35    @Override
36    protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38        setContentView(R.layout.activity_launch);
39        mBackgroundPolling = new Runnable() {
40            @Override
41            public void run() {
42                if (!mRunning) {
43                    return;
44                }
45                ActivityManager activityManager =
46                        (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
47                final int color = activityManager.getLockTaskModeState() !=
48                        ActivityManager.LOCK_TASK_MODE_NONE ? 0xFFFFC0C0 : 0xFFFFFFFF;
49                findViewById(R.id.root_launch).setBackgroundColor(color);
50                mHandler.postDelayed(this, 1000);
51            }
52        };
53        mHandler = new Handler(Looper.getMainLooper());
54    }
55
56    @Override
57    public void onResume() {
58        super.onResume();
59        mRunning = true;
60        mBackgroundPolling.run();
61    }
62
63    @Override
64    public void onPause() {
65        super.onPause();
66        mRunning = false;
67    }
68
69    public void onTryLock(View view) {
70        startLockTask();
71    }
72
73    public void onTryUnlock(View view) {
74        stopLockTask();
75    }
76
77    public void onLaunchMain(View view) {
78        Intent intent = new Intent(this, MainActivity.class);
79        startActivity(intent);
80    }
81}
82