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.android.messaging.ui; 18 19 import android.app.Fragment; 20 import android.os.Bundle; 21 import android.support.v4.app.FragmentActivity; 22 import android.view.View; 23 import android.view.WindowManager; 24 import android.widget.FrameLayout; 25 26 import com.android.messaging.R; 27 import com.android.messaging.util.LogUtil; 28 import com.google.common.annotations.VisibleForTesting; 29 30 /** 31 * An empty activity that can be used to host a fragment or view for unit testing purposes. Lives in 32 * app code vs test code due to requirement of ActivityInstrumentationTestCase2. 33 */ 34 public class TestActivity extends FragmentActivity { 35 private FragmentEventListener mFragmentEventListener; 36 37 public interface FragmentEventListener { onAttachFragment(Fragment fragment)38 public void onAttachFragment(Fragment fragment); 39 } 40 41 @Override onCreate(final Bundle bundle)42 protected void onCreate(final Bundle bundle) { 43 super.onCreate(bundle); 44 45 if (bundle != null) { 46 // The test case may have configured the fragment, and recreating the activity will 47 // lose that configuration. The real activity is the only activity that would know 48 // how to reapply that configuration. 49 throw new IllegalStateException("TestActivity cannot get recreated"); 50 } 51 52 // There is a race condition, but this often makes it possible for tests to run with the 53 // key guard up 54 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON | 55 WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD | 56 WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED | 57 WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON); 58 59 setContentView(R.layout.test_activity); 60 } 61 62 @VisibleForTesting setFragment(final Fragment fragment)63 public void setFragment(final Fragment fragment) { 64 LogUtil.i(LogUtil.BUGLE_TAG, "TestActivity.setFragment"); 65 getFragmentManager() 66 .beginTransaction() 67 .replace(R.id.test_content, fragment) 68 .commit(); 69 getFragmentManager().executePendingTransactions(); 70 } 71 72 @VisibleForTesting setView(final View view)73 public void setView(final View view) { 74 LogUtil.i(LogUtil.BUGLE_TAG, "TestActivity.setView"); 75 ((FrameLayout) findViewById(R.id.test_content)).addView(view); 76 } 77 78 @Override onAttachFragment(final Fragment fragment)79 public void onAttachFragment(final Fragment fragment) { 80 if (mFragmentEventListener != null) { 81 mFragmentEventListener.onAttachFragment(fragment); 82 } 83 } 84 setFragmentEventListener(final FragmentEventListener fragmentEventListener)85 public void setFragmentEventListener(final FragmentEventListener fragmentEventListener) { 86 mFragmentEventListener = fragmentEventListener; 87 } 88 } 89