1 /* 2 * Copyright (C) 2014 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.documentcentricrelinquishidentity; 18 19 import android.app.Activity; 20 import android.content.Intent; 21 import android.os.Bundle; 22 import android.view.View; 23 24 /** 25 * Activities that serve as the root of a task may give up certain task identifiers to activities 26 * above it in the task stack. These identifiers include the task base Intent, and the task name, 27 * color and icon used in the recent task list. The base @link{Intent} is used to match the task when 28 * relaunching based on an incoming Intent. 29 * 30 * <p> 31 * To relinquish its identity the base activity must have the activity attribute 32 * android:relinquishTaskIdentity=true in the manifest. 33 * </p> 34 */ 35 public class RelinquishIdentityActivity extends Activity { 36 37 @Override 38 protected void onCreate(Bundle savedInstanceState) { 39 super.onCreate(savedInstanceState); 40 setContentView(R.layout.activity_relinquish_identity); 41 } 42 43 public void createNewDocument(View view) { 44 final Intent intent = newDocumentIntent(); 45 startActivity(intent); 46 } 47 48 /** 49 * Returns an new intent to start {@link NewDocumentActivity} 50 * as a new document in recents.. 51 */ 52 private Intent newDocumentIntent() { 53 final Intent newDocumentIntent = new Intent(this, NewDocumentActivity.class); 54 newDocumentIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT); 55 // Always launch in a new task. 56 newDocumentIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 57 return newDocumentIntent; 58 } 59 60 } 61
