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 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 51 public void onNewActivity(View button) { 52 Intent intent = new Intent(this, ActionBarNavigationTarget.class); 53 startActivity(intent); 54 } 55 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
