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.android.tv.settings.dialog; 18 19 import android.app.Activity; 20 import android.app.FragmentManager; 21 import android.os.Bundle; 22 import android.view.View; 23 24 import com.android.tv.settings.R; 25 import com.android.tv.settings.dialog.Layout.Action; 26 27 /** 28 * Activity to present settings menus and options. 29 */ 30 public abstract class SettingsLayoutActivity extends Activity implements 31 SettingsLayoutFragment.Listener, SettingsLayoutAdapter.OnFocusListener { 32 33 private SettingsLayoutFragment mSettingsLayoutFragment; 34 35 @Override onCreate(Bundle savedInstanceState)36 protected void onCreate(Bundle savedInstanceState) { 37 super.onCreate(savedInstanceState); 38 final Layout layout = createLayout(); 39 layout.navigateToRoot(); 40 final FragmentManager fm = getFragmentManager(); 41 mSettingsLayoutFragment = (SettingsLayoutFragment) fm.findFragmentByTag( 42 SettingsLayoutFragment.TAG_LEAN_BACK_DIALOG_FRAGMENT); 43 if (mSettingsLayoutFragment == null) { 44 mSettingsLayoutFragment = new SettingsLayoutFragment.Builder() 45 .title(layout.getTitle()) 46 .description(layout.getDescription()) 47 .breadcrumb(layout.getBreadcrumb()) 48 .icon(layout.getIcon()) 49 .iconBackgroundColor(getResources().getColor(R.color.icon_background)) 50 .build(); 51 SettingsLayoutFragment.add(fm, mSettingsLayoutFragment); 52 } 53 mSettingsLayoutFragment.setLayout(layout); 54 } 55 56 @Override onBackPressed()57 public void onBackPressed() { 58 if (!mSettingsLayoutFragment.isVisible() || !mSettingsLayoutFragment.onBackPressed()) { 59 super.onBackPressed(); 60 } 61 } 62 createLayout()63 public abstract Layout createLayout(); 64 65 @Override onActionFocused(Layout.LayoutRow item)66 public void onActionFocused(Layout.LayoutRow item) { 67 } 68 69 @Override onActionClicked(Action action)70 public void onActionClicked(Action action) { 71 } 72 goBackToTitle(String title)73 protected void goBackToTitle (String title) { 74 mSettingsLayoutFragment.goBackToTitle (title); 75 } 76 setIcon(int resId)77 protected void setIcon(int resId) { 78 mSettingsLayoutFragment.setIcon(resId); 79 } 80 } 81