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 
17 package com.example.android.multiwindow;
18 
19 import android.app.Activity;
20 import android.content.Intent;
21 import android.os.Bundle;
22 import android.view.View;
23 import android.widget.TextView;
24 
25 public class LaunchingAdjacentActivity extends Activity implements View.OnClickListener {
26 
27     private static final String INSTANCE_NUMBER_KEY = "instance_number";
28 
29     private static int mInstanceCount;
30     private int mInstanceNumber;
31 
32     @Override
onCreate(Bundle savedInstanceState)33     protected void onCreate(Bundle savedInstanceState) {
34         super.onCreate(savedInstanceState);
35         setContentView(R.layout.launching_adjacent_layout);
36         findViewById(R.id.launch_settings_adjacent).setOnClickListener(this);
37         findViewById(R.id.launch_new_task_single).setOnClickListener(this);
38         findViewById(R.id.launch_new_task_multiple).setOnClickListener(this);
39         findViewById(R.id.launch_new_task_adjacent).setOnClickListener(this);
40         if (savedInstanceState != null) {
41             mInstanceNumber = savedInstanceState.getInt(INSTANCE_NUMBER_KEY);
42         } else {
43             mInstanceNumber = mInstanceCount++;
44         }
45         ((TextView) findViewById(R.id.instance_number))
46                 .setText(getString(R.string.instance_number) + mInstanceNumber);
47     }
48 
49     @Override
onClick(View v)50     public void onClick(View v) {
51         switch (v.getId()) {
52             case R.id.launch_settings_adjacent: {
53                 Intent intent = new Intent("android.settings.SETTINGS");
54                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
55                         | Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
56                 startActivity(intent);
57             }
58             break;
59             case R.id.launch_new_task_single: {
60                 Intent intent = newAdjacentActivityIntent();
61                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
62                 startActivity(intent);
63             }
64             break;
65             case R.id.launch_new_task_multiple: {
66                 Intent intent = newAdjacentActivityIntent();
67                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
68                 startActivity(intent);
69             }
70             break;
71             case R.id.launch_new_task_adjacent: {
72                 Intent intent = newAdjacentActivityIntent();
73                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK
74                         | Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
75                 startActivity(intent);
76             }
77             break;
78         }
79     }
80 
newAdjacentActivityIntent()81     private Intent newAdjacentActivityIntent() {
82         Intent intent = new Intent(this, LaunchingAdjacentActivity.class);
83         intent.setAction(Intent.ACTION_MAIN);
84         intent.addCategory(Intent.CATEGORY_LAUNCHER);
85         return intent;
86     }
87 
88     @Override
onSaveInstanceState(Bundle savedInstanceState)89     public void onSaveInstanceState(Bundle savedInstanceState) {
90         savedInstanceState.putInt(INSTANCE_NUMBER_KEY, mInstanceNumber);
91         super.onSaveInstanceState(savedInstanceState);
92     }
93 }
94