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Merge "Use FixedAspectRatioImageView to demo auto-enter-pip" into sc-dev

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This commit is contained in:
Hongwei Wang
2021-07-14 23:52:43 +00:00
committed by Android (Google) Code Review
parent c9c6c19f5d 31c5071a72
commit 0e4d25a19e
5 changed files with 110 additions and 28 deletions
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9
samples/ApiDemos/res/layout/picture_in_picture_auto_enter.xml
View File

@@ -15,18 +15,21 @@
-->
<!-- Demonstrates Picture-In-Picture with auto enter enabled. -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!-- layout params would be changed programmatically -->
<ImageView android:id="@+id/image"
<com.example.android.apis.view.FixedAspectRatioImageView
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scaleType="fitXY"
android:src="@drawable/sample_1" />
android:src="@drawable/sample_1"
app:aspectRatio="16/9" />
<Switch android:id="@+id/source_rect_hint_toggle"
android:layout_width="wrap_content"

4
samples/ApiDemos/res/values/attrs.xml
View File

@@ -53,4 +53,8 @@
<attr name="android:label" />
</declare-styleable>
<!-- END_INCLUDE(fragment_arguments) -->
<declare-styleable name="FixedAspectRatioImageView">
<attr name="aspectRatio" format="string" />
</declare-styleable>
</resources>

2
samples/ApiDemos/res/values/styles.xml
View File

@@ -133,6 +133,8 @@
<style name="Theme.NoActionBar" parent="android:Theme.Material.Light">
<item name="windowActionBar">false</item>
<item name="android:windowNoTitle">true</item>
<!-- toggle this flag to test letterbox behavior when auto-enter-pip from landscape -->
<!--item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item-->
</style>
</resources>

27
samples/ApiDemos/src/com/example/android/apis/app/PictureInPictureAutoEnter.java
View File

@@ -23,6 +23,7 @@ import android.content.res.Configuration;
import android.graphics.Rect;
import android.os.Bundle;
import android.util.Rational;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.CompoundButton;
@@ -43,7 +44,6 @@ public class PictureInPictureAutoEnter extends Activity {
private View mImageView;
private View mButtonView;
private Switch mSwitchView;
private int mLastOrientation = -1;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -76,18 +76,22 @@ public class PictureInPictureAutoEnter extends Activity {
@Override
public void onConfigurationChanged(Configuration newConfiguration) {
super.onConfigurationChanged(newConfiguration);
if (!isInPictureInPictureMode()) {
updateLayout(newConfiguration);
}
}
private void updateLayout(Configuration configuration) {
if (configuration.orientation == mLastOrientation) return;
mLastOrientation = configuration.orientation;
final boolean isLandscape = (mLastOrientation == Configuration.ORIENTATION_LANDSCAPE);
mButtonView.setVisibility(isLandscape ? View.GONE : View.VISIBLE);
mSwitchView.setVisibility(isLandscape ? View.GONE: View.VISIBLE);
final boolean isLandscape =
(configuration.orientation == Configuration.ORIENTATION_LANDSCAPE);
final boolean isPictureInPicture = isInPictureInPictureMode();
mButtonView.setVisibility((isPictureInPicture || isLandscape) ? View.GONE : View.VISIBLE);
mSwitchView.setVisibility((isPictureInPicture || isLandscape) ? View.GONE: View.VISIBLE);
final LinearLayout.LayoutParams layoutParams;
if (isPictureInPicture) {
layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
layoutParams.gravity = Gravity.NO_GRAVITY;
} else {
// Toggle the fullscreen mode as well.
// TODO(b/188001699) switch to use insets controller once the bug is fixed.
final View decorView = getWindow().getDecorView();
@@ -95,8 +99,9 @@ public class PictureInPictureAutoEnter extends Activity {
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
if (isLandscape) {
layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.MATCH_PARENT);
layoutParams.gravity = Gravity.CENTER_HORIZONTAL;
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
decorView.setSystemUiVisibility(decorView.getSystemUiVisibility()
@@ -105,14 +110,18 @@ public class PictureInPictureAutoEnter extends Activity {
layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
layoutParams.gravity = Gravity.NO_GRAVITY;
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
decorView.setSystemUiVisibility(decorView.getSystemUiVisibility()
& ~systemUiNavigationBarFlags);
}
}
mImageView.addOnLayoutChangeListener(mOnLayoutChangeListener);
mImageView.setLayoutParams(layoutParams);
}
private void updatePictureInPictureParams() {
mImageView.removeOnLayoutChangeListener(mOnLayoutChangeListener);
// do not bother PictureInPictureParams update when it's already in pip mode.
if (isInPictureInPictureMode()) return;
final Rect imageViewRect = new Rect();

64
samples/ApiDemos/src/com/example/android/apis/view/FixedAspectRatioImageView.java Normal file
View File

@@ -0,0 +1,64 @@
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.view;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.util.Rational;
import android.widget.ImageView;
import com.example.android.apis.R;
/**
* Extended {@link ImageView} that keeps fixed aspect ratio (specified in layout file) when
* one of the dimension is in exact while the other one in wrap_content size mode.
*/
public class FixedAspectRatioImageView extends ImageView {
private final Rational mAspectRatio;
public FixedAspectRatioImageView(Context context, AttributeSet attrs) {
super(context, attrs);
final TypedArray a = context.getTheme().obtainStyledAttributes(attrs,
R.styleable.FixedAspectRatioImageView, 0, 0);
try {
mAspectRatio = Rational.parseRational(
a.getString(R.styleable.FixedAspectRatioImageView_aspectRatio));
} finally {
a.recycle();
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
final int width, height;
if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY
&& MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY) {
width = MeasureSpec.getSize(widthMeasureSpec);
height = MeasureSpec.getSize(heightMeasureSpec);
} else if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY) {
width = MeasureSpec.getSize(widthMeasureSpec);
height = (int) (width / mAspectRatio.floatValue());
} else {
height = MeasureSpec.getSize(heightMeasureSpec);
width = (int) (height * mAspectRatio.floatValue());
}
android.util.Log.d("DebugMe", "onMeasure w=" + width + " h=" + height);
setMeasuredDimension(width, height);
}
}