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Refine the banner view for accessibility features.

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1. Replace the video with the gif for Magnification.
2. Replace the static image with the gif for Color Inversion.

Bug: 153293657
Bug: 155946967
Test: manual test & robo test
Change-Id: Ic51c0ec45c10a7fd2b9f1ffb63865ebc764846ba
This commit is contained in:
Peter_Liang
2020-05-13 16:31:53 +08:00
parent d4ae5dd85b
commit 2add394b47
7 changed files with 4 additions and 191 deletions
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res/drawable/accessibility_color_inversion_banner.gif Normal file
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31
res/drawable/accessibility_screen_magnification_background.xml
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@@ -1,31 +0,0 @@
<!--
~ Copyright (C) 2016 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
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="360dp"
android:height="184dp"
android:viewportWidth="360"
android:viewportHeight="184">
<path
android:fillColor="#E9F0F9"
android:pathData="M 0 0 H 360 V 184 H 0 V 0 Z" />
<path
android:fillColor="#444445"
android:pathData="M217.6,179h-75.1c-5,0-9-4-9-9V14c0-5,4-9,9-9h75.1c5,0,9,4,9,9V170C226.6,174.9,222.5,179,217.6,179z" />
<path
android:fillColor="#000000"
android:pathData="M 180 9.6 C 181.1045695 9.6 182 10.4954305003 182 11.6 C 182 12.7045694997 181.1045695 13.6 180 13.6 C 178.8954305 13.6 178 12.7045694997 178 11.6 C 178 10.4954305003 178.8954305 9.6 180 9.6 Z" />
</vector>

40
res/layout/magnification_video_preference.xml
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@@ -1,40 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2016 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.
-->
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clipChildren="true"
android:clipToPadding="true">
<ImageView
android:id="@+id/video_background"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/accessibility_screen_magnification_background"
android:scaleType="fitXY"
android:adjustViewBounds="true"
android:importantForAccessibility="noHideDescendants" />
<VideoView
android:id="@+id/video"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/video_background"
android:layout_centerHorizontal="true"
android:importantForAccessibility="noHideDescendants" />
</RelativeLayout>

7
res/values/dimens.xml
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@@ -280,13 +280,6 @@
<dimen name="accessibility_layout_margin_start_end">16dp</dimen>
<dimen name="accessibility_button_preference_padding_top_bottom">18dp</dimen>
<!-- Accessibility, Screen magnification. These values are meant to be relative values and the actual layout value will be set programmatically. -->
<dimen name="screen_magnification_video_background_width">750dp</dimen>
<dimen name="screen_magnification_video_background_height">383dp</dimen>
<dimen name="screen_magnification_video_width">170dp</dimen>
<dimen name="screen_magnification_video_height">311dp</dimen>
<dimen name="screen_magnification_video_margin_top">40dp</dimen>
<!-- Restricted icon in switch bar -->
<dimen name="restricted_icon_margin_end">16dp</dimen>
<!-- Restricted icon size in switch bar -->

117
src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
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@@ -25,10 +25,6 @@ import android.app.settings.SettingsEnums;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.Resources;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
@@ -36,18 +32,12 @@ import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityManager.TouchExplorationStateChangeListener;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.VideoView;
import androidx.appcompat.app.AlertDialog;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import androidx.preference.PreferenceViewHolder;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.R;
@@ -81,83 +71,6 @@ public class ToggleScreenMagnificationPreferenceFragment extends
private static final char COMPONENT_NAME_SEPARATOR = ':';
private static final TextUtils.SimpleStringSplitter sStringColonSplitter =
new TextUtils.SimpleStringSplitter(COMPONENT_NAME_SEPARATOR);
protected VideoPreference mVideoPreference;
protected class VideoPreference extends Preference {
private ImageView mVideoBackgroundView;
private OnGlobalLayoutListener mLayoutListener;
public VideoPreference(Context context) {
super(context);
}
@Override
public void onBindViewHolder(PreferenceViewHolder view) {
super.onBindViewHolder(view);
Resources res = getPrefContext().getResources();
final int backgroundAssetWidth = res.getDimensionPixelSize(
R.dimen.screen_magnification_video_background_width);
final int videoAssetWidth = res
.getDimensionPixelSize(R.dimen.screen_magnification_video_width);
final int videoAssetHeight = res
.getDimensionPixelSize(R.dimen.screen_magnification_video_height);
final int videoAssetMarginTop = res.getDimensionPixelSize(
R.dimen.screen_magnification_video_margin_top);
view.setDividerAllowedAbove(false);
view.setDividerAllowedBelow(false);
mVideoBackgroundView = (ImageView) view.findViewById(R.id.video_background);
final VideoView videoView = (VideoView) view.findViewById(R.id.video);
// Loop the video.
videoView.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mediaPlayer) {
mediaPlayer.setLooping(true);
}
});
// Make sure the VideoView does not request audio focus.
videoView.setAudioFocusRequest(AudioManager.AUDIOFOCUS_NONE);
// Resolve and set the video content
Bundle args = getArguments();
if ((args != null) && args.containsKey(
AccessibilitySettings.EXTRA_VIDEO_RAW_RESOURCE_ID)) {
videoView.setVideoURI(Uri.parse(String.format("%s://%s/%s",
ContentResolver.SCHEME_ANDROID_RESOURCE,
getPrefContext().getPackageName(),
args.getInt(AccessibilitySettings.EXTRA_VIDEO_RAW_RESOURCE_ID))));
}
// Make sure video controls (e.g. for pausing) are not displayed.
videoView.setMediaController(null);
// LayoutListener for adjusting the position of the VideoView on the background image.
mLayoutListener = new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
final int backgroundViewWidth = mVideoBackgroundView.getWidth();
LayoutParams videoLp = (LayoutParams) videoView.getLayoutParams();
videoLp.width = videoAssetWidth * backgroundViewWidth / backgroundAssetWidth;
videoLp.height = videoAssetHeight * backgroundViewWidth / backgroundAssetWidth;
videoLp.setMargins(0,
videoAssetMarginTop * backgroundViewWidth / backgroundAssetWidth, 0, 0);
videoView.setLayoutParams(videoLp);
videoView.invalidate();
videoView.start();
}
};
mVideoBackgroundView.getViewTreeObserver().addOnGlobalLayoutListener(mLayoutListener);
}
@Override
protected void onPrepareForRemoval() {
mVideoBackgroundView.getViewTreeObserver()
.removeOnGlobalLayoutListener(mLayoutListener);
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -169,6 +82,10 @@ public class ToggleScreenMagnificationPreferenceFragment extends
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mPackageName = getString(R.string.accessibility_screen_magnification_title);
mImageUri = new Uri.Builder().scheme(ContentResolver.SCHEME_ANDROID_RESOURCE)
.authority(getPrefContext().getPackageName())
.appendPath(String.valueOf(R.drawable.accessibility_magnification_banner))
.build();
mTouchExplorationStateChangeListener = isTouchExplorationEnabled -> {
removeDialog(DialogEnums.EDIT_SHORTCUT);
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
@@ -178,13 +95,6 @@ public class ToggleScreenMagnificationPreferenceFragment extends
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
final PreferenceScreen preferenceScreen = getPreferenceScreen();
mVideoPreference = new VideoPreference(getPrefContext());
mVideoPreference.setSelectable(false);
mVideoPreference.setPersistent(false);
mVideoPreference.setLayoutResource(R.layout.magnification_video_preference);
preferenceScreen.addPreference(mVideoPreference);
initShortcutPreference();
mSettingsPreference = new Preference(getPrefContext());
@@ -209,11 +119,6 @@ public class ToggleScreenMagnificationPreferenceFragment extends
AccessibilityManager.class);
am.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
VideoView videoView = (VideoView) getView().findViewById(R.id.video);
if (videoView != null) {
videoView.start();
}
updateShortcutPreferenceData();
updateShortcutPreference();
}
@@ -437,20 +342,6 @@ public class ToggleScreenMagnificationPreferenceFragment extends
mToggleServiceDividerSwitchPreference.setVisible(false);
}
@Override
protected void onProcessArguments(Bundle arguments) {
super.onProcessArguments(arguments);
if (arguments == null) {
return;
}
if (arguments.containsKey(AccessibilitySettings.EXTRA_VIDEO_RAW_RESOURCE_ID)) {
mVideoPreference.setVisible(true);
} else {
mVideoPreference.setVisible(false);
}
}
@Override
public void onToggleClicked(ShortcutPreference preference) {
final int shortcutTypes = getUserShortcutTypes(getPrefContext(), UserShortcutType.SOFTWARE);