1 /* 2 * Copyright (C) 2021 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.example.android.apis.app; 18 19 import android.app.Activity; 20 import android.app.PictureInPictureParams; 21 import android.content.pm.ActivityInfo; 22 import android.content.res.Configuration; 23 import android.graphics.Rect; 24 import android.os.Bundle; 25 import android.util.Rational; 26 import android.view.Gravity; 27 import android.view.View; 28 import android.view.WindowManager; 29 import android.widget.CompoundButton; 30 import android.widget.LinearLayout; 31 import android.widget.Switch; 32 33 import com.example.android.apis.R; 34 35 public class PictureInPictureAutoEnter extends Activity { 36 private final View.OnLayoutChangeListener mOnLayoutChangeListener = 37 (v, oldLeft, oldTop, oldRight, oldBottom, newLeft, newTop, newRight, newBottom) -> { 38 updatePictureInPictureParams(); 39 }; 40 41 private final CompoundButton.OnCheckedChangeListener mOnCheckedChangeListener = 42 (v, isChecked) -> updatePictureInPictureParams(); 43 44 private View mImageView; 45 private View mButtonView; 46 private Switch mSwitchView; 47 48 @Override onCreate(Bundle savedInstanceState)49 protected void onCreate(Bundle savedInstanceState) { 50 super.onCreate(savedInstanceState); 51 setContentView(R.layout.picture_in_picture_auto_enter); 52 53 mImageView = findViewById(R.id.image); 54 mImageView.addOnLayoutChangeListener(mOnLayoutChangeListener); 55 mButtonView = findViewById(R.id.change_orientation); 56 mButtonView.setOnClickListener((v) -> { 57 final int orientation = getResources().getConfiguration().orientation; 58 if (orientation == Configuration.ORIENTATION_LANDSCAPE) { 59 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); 60 } else { 61 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 62 } 63 }); 64 mSwitchView = findViewById(R.id.source_rect_hint_toggle); 65 mSwitchView.setOnCheckedChangeListener(mOnCheckedChangeListener); 66 67 // there is a bug that setSourceRectHint(null) does not clear the source rect hint 68 // once there is a non-null source rect hint ever been set. set this to false by default 69 // therefore this demo activity can be used for testing autoEnterPip behavior without 70 // source rect hint when launched for the first time. 71 mSwitchView.setChecked(false); 72 73 updateLayout(getResources().getConfiguration()); 74 } 75 76 @Override onConfigurationChanged(Configuration newConfiguration)77 public void onConfigurationChanged(Configuration newConfiguration) { 78 super.onConfigurationChanged(newConfiguration); 79 updateLayout(newConfiguration); 80 } 81 updateLayout(Configuration configuration)82 private void updateLayout(Configuration configuration) { 83 final boolean isLandscape = 84 (configuration.orientation == Configuration.ORIENTATION_LANDSCAPE); 85 final boolean isPictureInPicture = isInPictureInPictureMode(); 86 mButtonView.setVisibility((isPictureInPicture || isLandscape) ? View.GONE : View.VISIBLE); 87 mSwitchView.setVisibility((isPictureInPicture || isLandscape) ? View.GONE: View.VISIBLE); 88 final LinearLayout.LayoutParams layoutParams; 89 if (isPictureInPicture) { 90 layoutParams = new LinearLayout.LayoutParams( 91 LinearLayout.LayoutParams.MATCH_PARENT, 92 LinearLayout.LayoutParams.MATCH_PARENT); 93 layoutParams.gravity = Gravity.NO_GRAVITY; 94 } else { 95 // Toggle the fullscreen mode as well. 96 // TODO(b/188001699) switch to use insets controller once the bug is fixed. 97 final View decorView = getWindow().getDecorView(); 98 final int systemUiNavigationBarFlags = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION 99 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN; 100 if (isLandscape) { 101 layoutParams = new LinearLayout.LayoutParams( 102 LinearLayout.LayoutParams.WRAP_CONTENT, 103 LinearLayout.LayoutParams.MATCH_PARENT); 104 layoutParams.gravity = Gravity.CENTER_HORIZONTAL; 105 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 106 WindowManager.LayoutParams.FLAG_FULLSCREEN); 107 decorView.setSystemUiVisibility(decorView.getSystemUiVisibility() 108 | systemUiNavigationBarFlags); 109 } else { 110 layoutParams = new LinearLayout.LayoutParams( 111 LinearLayout.LayoutParams.MATCH_PARENT, 112 LinearLayout.LayoutParams.WRAP_CONTENT); 113 layoutParams.gravity = Gravity.NO_GRAVITY; 114 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); 115 decorView.setSystemUiVisibility(decorView.getSystemUiVisibility() 116 & ~systemUiNavigationBarFlags); 117 } 118 } 119 mImageView.addOnLayoutChangeListener(mOnLayoutChangeListener); 120 mImageView.setLayoutParams(layoutParams); 121 } 122 updatePictureInPictureParams()123 private void updatePictureInPictureParams() { 124 mImageView.removeOnLayoutChangeListener(mOnLayoutChangeListener); 125 // do not bother PictureInPictureParams update when it's already in pip mode. 126 if (isInPictureInPictureMode()) return; 127 final Rect imageViewRect = new Rect(); 128 mImageView.getGlobalVisibleRect(imageViewRect); 129 // bail early if mImageView has not been measured yet 130 if (imageViewRect.isEmpty()) return; 131 final Rect sourceRectHint = mSwitchView.isChecked() ? new Rect(imageViewRect) : null; 132 final PictureInPictureParams.Builder builder = new PictureInPictureParams.Builder() 133 .setAutoEnterEnabled(true) 134 .setAspectRatio(new Rational(imageViewRect.width(), imageViewRect.height())) 135 .setSourceRectHint(sourceRectHint); 136 setPictureInPictureParams(builder.build()); 137 } 138 } 139