1/* 2 * Copyright (C) 2017 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 17package com.android.setupwizardlib.template; 18 19import android.view.View; 20 21import com.android.setupwizardlib.R; 22import com.android.setupwizardlib.TemplateLayout; 23import com.android.setupwizardlib.view.NavigationBar; 24import com.android.setupwizardlib.view.NavigationBar.NavigationBarListener; 25 26/** 27 * A {@link Mixin} for interacting with a {@link NavigationBar}. 28 */ 29public class NavigationBarMixin implements Mixin { 30 31 private TemplateLayout mTemplateLayout; 32 33 /** 34 * @param layout The layout this mixin belongs to. 35 */ 36 public NavigationBarMixin(TemplateLayout layout) { 37 mTemplateLayout = layout; 38 } 39 40 /** 41 * @return The navigation bar instance in the layout, or null if the layout does not have a 42 * navigation bar. 43 */ 44 public NavigationBar getNavigationBar() { 45 final View view = mTemplateLayout.findManagedViewById(R.id.suw_layout_navigation_bar); 46 return view instanceof NavigationBar ? (NavigationBar) view : null; 47 } 48 49 /** 50 * Sets the label of the next button. 51 * 52 * @param text Label of the next button. 53 */ 54 public void setNextButtonText(int text) { 55 getNavigationBar().getNextButton().setText(text); 56 } 57 58 /** 59 * Sets the label of the next button. 60 * 61 * @param text Label of the next button. 62 */ 63 public void setNextButtonText(CharSequence text) { 64 getNavigationBar().getNextButton().setText(text); 65 } 66 67 /** 68 * @return The current label of the next button. 69 */ 70 public CharSequence getNextButtonText() { 71 return getNavigationBar().getNextButton().getText(); 72 } 73 74 /** 75 * Sets the listener to handle back and next button clicks in the navigation bar. 76 * 77 * @see NavigationBar#setNavigationBarListener(NavigationBarListener) 78 * @see NavigationBarListener 79 */ 80 public void setNavigationBarListener(NavigationBarListener listener) { 81 getNavigationBar().setNavigationBarListener(listener); 82 } 83} 84