1 // CHECKSTYLE:OFF Generated code 2 /* This file is auto-generated from OnboardingDemoFragment.java. DO NOT MODIFY. */ 3 4 /* 5 * Copyright (C) 2014 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 8 * in compliance with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software distributed under the License 13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 14 * or implied. See the License for the specific language governing permissions and limitations under 15 * the License. 16 */ 17 package com.example.android.leanback; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.animation.AnimatorSet; 22 import android.animation.ObjectAnimator; 23 import android.graphics.drawable.AnimationDrawable; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.ImageView; 28 29 import androidx.leanback.app.OnboardingSupportFragment; 30 31 import java.util.ArrayList; 32 33 public class OnboardingDemoSupportFragment extends OnboardingSupportFragment { 34 private static final long ANIMATION_DURATION = 1000; 35 36 private static final int[] CONTENT_BACKGROUNDS = { 37 R.drawable.tv_bg, 38 R.drawable.gallery_photo_6, 39 R.drawable.gallery_photo_8 40 }; 41 42 private static final int[] CONTENT_ANIMATIONS = { 43 R.drawable.tv_content, 44 android.R.drawable.stat_sys_download, 45 android.R.drawable.ic_popup_sync 46 }; 47 48 private String[] mTitles; 49 private String[] mDescriptions; 50 51 private View mBackgroundView; 52 private View mContentView; 53 private ImageView mContentBackgroundView; 54 private ImageView mContentAnimationView; 55 56 private Animator mContentAnimator; 57 58 @SuppressWarnings("deprecation") 59 @Override onAttach(android.app.Activity activity)60 public void onAttach(android.app.Activity activity) { 61 super.onAttach(activity); 62 mTitles = getResources().getStringArray(R.array.onboarding_page_titles); 63 mDescriptions = getResources().getStringArray(R.array.onboarding_page_descriptions); 64 setLogoResourceId(R.drawable.ic_launcher); 65 } 66 67 @Override getPageCount()68 protected int getPageCount() { 69 return mTitles.length; 70 } 71 72 @Override getPageTitle(int i)73 protected CharSequence getPageTitle(int i) { 74 return mTitles[i]; 75 } 76 77 @Override getPageDescription(int i)78 protected CharSequence getPageDescription(int i) { 79 return mDescriptions[i]; 80 } 81 82 @Override onCreateBackgroundView(LayoutInflater layoutInflater, ViewGroup viewGroup)83 protected View onCreateBackgroundView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 84 mBackgroundView = layoutInflater.inflate(R.layout.onboarding_image, viewGroup, false); 85 return mBackgroundView; 86 } 87 88 @Override onCreateContentView(LayoutInflater layoutInflater, ViewGroup viewGroup)89 protected View onCreateContentView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 90 mContentView = layoutInflater.inflate(R.layout.onboarding_content, viewGroup, false); 91 mContentBackgroundView = (ImageView) mContentView.findViewById(R.id.background_image); 92 mContentAnimationView = (ImageView) mContentView.findViewById(R.id.animation_image); 93 return mContentView; 94 } 95 96 @Override onCreateForegroundView(LayoutInflater layoutInflater, ViewGroup viewGroup)97 protected View onCreateForegroundView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 98 return null; 99 } 100 101 @Override onCreateEnterAnimation()102 protected Animator onCreateEnterAnimation() { 103 ArrayList<Animator> animators = new ArrayList<>(); 104 animators.add(createFadeInAnimator(mBackgroundView)); 105 mContentBackgroundView.setImageResource(CONTENT_BACKGROUNDS[0]); 106 mContentAnimationView.setImageResource(CONTENT_ANIMATIONS[0]); 107 mContentAnimator = createFadeInAnimator(mContentView); 108 animators.add(mContentAnimator); 109 AnimatorSet set = new AnimatorSet(); 110 set.playTogether(animators); 111 set.addListener(new AnimatorListenerAdapter() { 112 @Override 113 public void onAnimationEnd(Animator animation) { 114 ((AnimationDrawable) mContentAnimationView.getDrawable()).start(); 115 } 116 }); 117 return set; 118 } 119 120 @Override onPageChanged(final int newPage, int previousPage)121 protected void onPageChanged(final int newPage, int previousPage) { 122 if (mContentAnimator != null) { 123 mContentAnimator.cancel(); 124 } 125 ((AnimationDrawable) mContentAnimationView.getDrawable()).stop(); 126 ArrayList<Animator> animators = new ArrayList<>(); 127 Animator fadeOut = createFadeOutAnimator(mContentView); 128 fadeOut.addListener(new AnimatorListenerAdapter() { 129 @Override 130 public void onAnimationEnd(Animator animation) { 131 mContentBackgroundView.setImageResource(CONTENT_BACKGROUNDS[newPage]); 132 mContentAnimationView.setImageResource(CONTENT_ANIMATIONS[newPage]); 133 } 134 }); 135 Animator fadeIn = createFadeInAnimator(mContentView); 136 fadeIn.addListener(new AnimatorListenerAdapter() { 137 @Override 138 public void onAnimationEnd(Animator animation) { 139 ((AnimationDrawable) mContentAnimationView.getDrawable()).start(); 140 } 141 }); 142 AnimatorSet set = new AnimatorSet(); 143 set.playSequentially(fadeOut, fadeIn); 144 set.start(); 145 mContentAnimator = set; 146 } 147 createFadeInAnimator(View view)148 private Animator createFadeInAnimator(View view) { 149 return ObjectAnimator.ofFloat(view, View.ALPHA, 0.0f, 1.0f).setDuration(ANIMATION_DURATION); 150 } 151 createFadeOutAnimator(View view)152 private Animator createFadeOutAnimator(View view) { 153 return ObjectAnimator.ofFloat(view, View.ALPHA, 1.0f, 0.0f).setDuration(ANIMATION_DURATION); 154 } 155 156 @Override onFinishFragment()157 protected void onFinishFragment() { 158 getActivity().finish(); 159 } 160 } 161