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.support.v17.leanback.app.OnboardingSupportFragment; 25 import android.view.LayoutInflater; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.widget.ImageView; 29 30 import java.util.ArrayList; 31 32 public class OnboardingDemoSupportFragment extends OnboardingSupportFragment { 33 private static final long ANIMATION_DURATION = 1000; 34 35 private static final int[] CONTENT_BACKGROUNDS = { 36 R.drawable.tv_bg, 37 R.drawable.gallery_photo_6, 38 R.drawable.gallery_photo_8 39 }; 40 41 private static final int[] CONTENT_ANIMATIONS = { 42 R.drawable.tv_content, 43 android.R.drawable.stat_sys_download, 44 android.R.drawable.ic_popup_sync 45 }; 46 47 private String[] mTitles; 48 private String[] mDescriptions; 49 50 private View mBackgroundView; 51 private View mContentView; 52 private ImageView mContentBackgroundView; 53 private ImageView mContentAnimationView; 54 55 private Animator mContentAnimator; 56 57 @SuppressWarnings("deprecation") 58 @Override onAttach(android.app.Activity activity)59 public void onAttach(android.app.Activity activity) { 60 super.onAttach(activity); 61 mTitles = getResources().getStringArray(R.array.onboarding_page_titles); 62 mDescriptions = getResources().getStringArray(R.array.onboarding_page_descriptions); 63 setLogoResourceId(R.drawable.ic_launcher); 64 } 65 66 @Override getPageCount()67 protected int getPageCount() { 68 return mTitles.length; 69 } 70 71 @Override getPageTitle(int i)72 protected CharSequence getPageTitle(int i) { 73 return mTitles[i]; 74 } 75 76 @Override getPageDescription(int i)77 protected CharSequence getPageDescription(int i) { 78 return mDescriptions[i]; 79 } 80 81 @Override onCreateBackgroundView(LayoutInflater layoutInflater, ViewGroup viewGroup)82 protected View onCreateBackgroundView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 83 mBackgroundView = layoutInflater.inflate(R.layout.onboarding_image, viewGroup, false); 84 return mBackgroundView; 85 } 86 87 @Override onCreateContentView(LayoutInflater layoutInflater, ViewGroup viewGroup)88 protected View onCreateContentView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 89 mContentView = layoutInflater.inflate(R.layout.onboarding_content, viewGroup, false); 90 mContentBackgroundView = (ImageView) mContentView.findViewById(R.id.background_image); 91 mContentAnimationView = (ImageView) mContentView.findViewById(R.id.animation_image); 92 return mContentView; 93 } 94 95 @Override onCreateForegroundView(LayoutInflater layoutInflater, ViewGroup viewGroup)96 protected View onCreateForegroundView(LayoutInflater layoutInflater, ViewGroup viewGroup) { 97 return null; 98 } 99 100 @Override onCreateEnterAnimation()101 protected Animator onCreateEnterAnimation() { 102 ArrayList<Animator> animators = new ArrayList<>(); 103 animators.add(createFadeInAnimator(mBackgroundView)); 104 mContentBackgroundView.setImageResource(CONTENT_BACKGROUNDS[0]); 105 mContentAnimationView.setImageResource(CONTENT_ANIMATIONS[0]); 106 mContentAnimator = createFadeInAnimator(mContentView); 107 animators.add(mContentAnimator); 108 AnimatorSet set = new AnimatorSet(); 109 set.playTogether(animators); 110 set.addListener(new AnimatorListenerAdapter() { 111 @Override 112 public void onAnimationEnd(Animator animation) { 113 ((AnimationDrawable) mContentAnimationView.getDrawable()).start(); 114 } 115 }); 116 return set; 117 } 118 119 @Override onPageChanged(final int newPage, int previousPage)120 protected void onPageChanged(final int newPage, int previousPage) { 121 if (mContentAnimator != null) { 122 mContentAnimator.cancel(); 123 } 124 ((AnimationDrawable) mContentAnimationView.getDrawable()).stop(); 125 ArrayList<Animator> animators = new ArrayList<>(); 126 Animator fadeOut = createFadeOutAnimator(mContentView); 127 fadeOut.addListener(new AnimatorListenerAdapter() { 128 @Override 129 public void onAnimationEnd(Animator animation) { 130 mContentBackgroundView.setImageResource(CONTENT_BACKGROUNDS[newPage]); 131 mContentAnimationView.setImageResource(CONTENT_ANIMATIONS[newPage]); 132 } 133 }); 134 Animator fadeIn = createFadeInAnimator(mContentView); 135 fadeIn.addListener(new AnimatorListenerAdapter() { 136 @Override 137 public void onAnimationEnd(Animator animation) { 138 ((AnimationDrawable) mContentAnimationView.getDrawable()).start(); 139 } 140 }); 141 AnimatorSet set = new AnimatorSet(); 142 set.playSequentially(fadeOut, fadeIn); 143 set.start(); 144 mContentAnimator = set; 145 } 146 createFadeInAnimator(View view)147 private Animator createFadeInAnimator(View view) { 148 return ObjectAnimator.ofFloat(view, View.ALPHA, 0.0f, 1.0f).setDuration(ANIMATION_DURATION); 149 } 150 createFadeOutAnimator(View view)151 private Animator createFadeOutAnimator(View view) { 152 return ObjectAnimator.ofFloat(view, View.ALPHA, 1.0f, 0.0f).setDuration(ANIMATION_DURATION); 153 } 154 155 @Override onFinishFragment()156 protected void onFinishFragment() { 157 getActivity().finish(); 158 } 159 } 160