1 /*
2  * Copyright (C) 2010 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 package com.example.android.apis.app;
17 
18 import android.app.ActionBar;
19 import android.app.Activity;
20 import android.content.Intent;
21 import android.os.Bundle;
22 import android.view.Menu;
23 import android.view.MenuItem;
24 import android.view.View;
25 import android.view.Window;
26 import android.widget.TextView;
27 import android.widget.Toast;
28 import com.example.android.apis.R;
29 
30 /**
31  * This demonstrates implementing common navigation flows with the action bar.
32  */
33 public class ActionBarNavigation extends Activity {
34     @Override
onCreate(Bundle savedInstanceState)35     protected void onCreate(Bundle savedInstanceState) {
36         super.onCreate(savedInstanceState);
37 
38         // Turn on the up affordance.
39         final ActionBar bar = getActionBar();
40         bar.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
41 
42         setContentView(R.layout.action_bar_navigation);
43         TextView text = (TextView)findViewById(R.id.launchedfrom);
44         if (getIntent().hasCategory(Intent.CATEGORY_SAMPLE_CODE)) {
45             text.setText("This was launched from ApiDemos");
46         } else {
47             text.setText("This was created from up navigation");
48         }
49     }
50 
onNewActivity(View button)51     public void onNewActivity(View button) {
52         Intent intent = new Intent(this, ActionBarNavigationTarget.class);
53         startActivity(intent);
54     }
55 
onNewDocument(View button)56     public void onNewDocument(View button) {
57         Intent intent = new Intent(this, ActionBarNavigationTarget.class);
58         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
59         startActivity(intent);
60     }
61 }
62