1 /* 2 * Copyright (C) 2019 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.android.launcher3.proxy; 18 19 import android.app.Activity; 20 import android.content.ActivityNotFoundException; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentSender.SendIntentException; 24 import android.os.Bundle; 25 import android.util.Log; 26 27 public class ProxyActivityStarter extends Activity { 28 29 private static final String TAG = "ProxyActivityStarter"; 30 31 public static final String EXTRA_PARAMS = "start-activity-params"; 32 33 private StartActivityParams mParams; 34 35 @Override onCreate(Bundle savedInstanceState)36 protected void onCreate(Bundle savedInstanceState) { 37 super.onCreate(savedInstanceState); 38 setVisible(false); 39 40 mParams = getIntent().getParcelableExtra(EXTRA_PARAMS); 41 if (mParams == null) { 42 Log.d(TAG, "Proxy activity started without params"); 43 finishAndRemoveTask(); 44 return; 45 } 46 47 if (savedInstanceState != null) { 48 // Already started the activity. Just wait for the result. 49 return; 50 } 51 52 try { 53 if (mParams.intent != null) { 54 startActivityForResult(mParams.intent, mParams.requestCode, mParams.options); 55 return; 56 } else if (mParams.intentSender != null) { 57 startIntentSenderForResult(mParams.intentSender, mParams.requestCode, 58 mParams.fillInIntent, mParams.flagsMask, mParams.flagsValues, 59 mParams.extraFlags, 60 mParams.options); 61 return; 62 } 63 } catch (NullPointerException | ActivityNotFoundException | SecurityException 64 | SendIntentException e) { 65 mParams.deliverResult(this, RESULT_CANCELED, null); 66 } 67 finishAndRemoveTask(); 68 } 69 70 @Override onActivityResult(int requestCode, int resultCode, Intent data)71 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 72 if (requestCode == mParams.requestCode) { 73 mParams.deliverResult(this, resultCode, data); 74 } 75 finishAndRemoveTask(); 76 } 77 getLaunchIntent(Context context, StartActivityParams params)78 public static Intent getLaunchIntent(Context context, StartActivityParams params) { 79 return new Intent(context, ProxyActivityStarter.class) 80 .putExtra(EXTRA_PARAMS, params) 81 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 82 | Intent.FLAG_ACTIVITY_CLEAR_TASK); 83 } 84 } 85