1 /* 2 * Copyright (C) 2016 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.settings.accessibility; 18 19 import android.app.Fragment; 20 import android.app.FragmentTransaction; 21 import android.os.Bundle; 22 import android.text.TextUtils; 23 import android.view.accessibility.AccessibilityEvent; 24 import android.view.LayoutInflater; 25 import android.view.Menu; 26 import android.view.View; 27 import android.view.WindowInsets; 28 import android.widget.FrameLayout; 29 import android.widget.LinearLayout; 30 31 import com.android.settings.R; 32 import com.android.settings.SettingsActivity; 33 import com.android.settings.SettingsPreferenceFragment; 34 import com.android.setupwizardlib.util.SystemBarHelper; 35 import com.android.setupwizardlib.view.NavigationBar; 36 37 public class AccessibilitySettingsForSetupWizardActivity extends SettingsActivity { 38 39 private static final String SAVE_KEY_TITLE = "activity_title"; 40 41 private boolean mSendExtraWindowStateChanged; 42 43 @Override onCreate(Bundle savedState)44 protected void onCreate(Bundle savedState) { 45 super.onCreate(savedState); 46 47 // Finish configuring the content view. 48 getActionBar().setDisplayHomeAsUpEnabled(true); 49 setIsDrawerPresent(false); 50 } 51 52 @Override onSaveInstanceState(Bundle savedState)53 protected void onSaveInstanceState(Bundle savedState) { 54 savedState.putCharSequence(SAVE_KEY_TITLE, getTitle()); 55 super.onSaveInstanceState(savedState); 56 } 57 58 @Override onRestoreInstanceState(Bundle savedState)59 protected void onRestoreInstanceState(Bundle savedState) { 60 super.onRestoreInstanceState(savedState); 61 setTitle(savedState.getCharSequence(SAVE_KEY_TITLE)); 62 } 63 64 @Override onResume()65 public void onResume() { 66 super.onResume(); 67 mSendExtraWindowStateChanged = false; 68 } 69 70 @Override onCreateOptionsMenu(Menu menu)71 public boolean onCreateOptionsMenu(Menu menu) { 72 // Return true, so we get notified when items in the menu are clicked. 73 return true; 74 } 75 76 @Override onNavigateUp()77 public boolean onNavigateUp() { 78 onBackPressed(); 79 80 // Clear accessibility focus and let the screen reader announce the new title. 81 getWindow().getDecorView() 82 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 83 84 return true; 85 } 86 87 @Override startPreferencePanel(String fragmentClass, Bundle args, int titleRes, CharSequence titleText, Fragment resultTo, int resultRequestCode)88 public void startPreferencePanel(String fragmentClass, Bundle args, int titleRes, 89 CharSequence titleText, Fragment resultTo, int resultRequestCode) { 90 // Set the title. 91 if (!TextUtils.isEmpty(titleText)) { 92 setTitle(titleText); 93 } else if (titleRes > 0) { 94 setTitle(getString(titleRes)); 95 } 96 97 // Start the new Fragment. 98 args.putInt(SettingsPreferenceFragment.HELP_URI_RESOURCE_KEY, 0); 99 startPreferenceFragment(Fragment.instantiate(this, fragmentClass, args), true); 100 mSendExtraWindowStateChanged = true; 101 } 102 103 @Override onAttachFragment(Fragment fragment)104 public void onAttachFragment(Fragment fragment) { 105 if (mSendExtraWindowStateChanged) { 106 // Clear accessibility focus and let the screen reader announce the new title. 107 getWindow().getDecorView() 108 .sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 109 } 110 } 111 } 112