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Add Screen Zoom preview screen with settings page, launch Talkback tutorial

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whenever the Talkback setting in SUW is pressed, and remove check for parent
Activity from SettingsPreferenceFragment.
Bug: 26734639

Change-Id: I5671735437844ac54ea68322838d9b6b5c81957f
This commit is contained in:
Anna Galusza
2016-02-03 15:51:12 -08:00
parent 7b54a8154e
commit 384fa2e342
8 changed files with 289 additions and 73 deletions
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3
res/layout/preview_seek_bar_view_pager.xml
View File

@@ -24,7 +24,8 @@
android:id="@+id/preview_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="?android:attr/colorBackgroundFloating" />
android:background="?android:attr/colorBackgroundFloating"
android:importantForAccessibility="noHideDescendants"/>
<View
android:layout_width="match_parent"

12
res/layout/screen_zoom_preview_2.xml
View File

@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2015 The Android Open Source Project
<!-- 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.
@@ -13,11 +13,7 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
<com.android.settings.display.AppGridView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="none"
android:background="?android:attr/colorBackgroundFloating">
</ScrollView>
android:layout_height="match_parent" />

20
res/layout/screen_zoom_preview_3.xml
View File

@@ -1,20 +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.
-->
<com.android.settings.display.AppGridView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" />

219
res/layout/screen_zoom_preview_settings.xml Normal file
View File

@@ -0,0 +1,219 @@
<?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.
-->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="none"
android:background="?android:attr/colorBackgroundFloating">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<!-- Wifi Setting -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp"
android:paddingStart="8dp"
android:orientation="horizontal">
<ImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:src="@drawable/wifi_signal_dark"
android:tint="?android:attr/colorAccent"
android:scaleType="center" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingStart="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/wifi_settings"
android:textAppearance="@android:style/TextAppearance.Material.Subhead"
android:textColor="?android:attr/textColorPrimary" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/wifi_display_status_not_available"
android:textAppearance="@android:style/TextAppearance.Material.Body1"
android:textColor="?android:attr/textColorSecondary" />
</LinearLayout>
</LinearLayout>
<!-- Data usage Setting -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp"
android:paddingStart="8dp"
android:orientation="horizontal">
<ImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:src="@drawable/ic_settings_data_usage"
android:tint="?android:attr/colorAccent"
android:scaleType="center" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingStart="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/data_usage_summary_title"
android:textAppearance="@android:style/TextAppearance.Material.Subhead"
android:textColor="?android:attr/textColorPrimary" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/no_data_usage"
android:textAppearance="@android:style/TextAppearance.Material.Body1"
android:textColor="?android:attr/textColorSecondary" />
</LinearLayout>
</LinearLayout>
<!-- Display Setting -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp"
android:paddingStart="8dp"
android:orientation="horizontal">
<ImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:src="@drawable/ic_settings_display"
android:tint="?android:attr/colorAccent"
android:scaleType="center" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingStart="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/display_settings_title"
android:textAppearance="@android:style/TextAppearance.Material.Subhead"
android:textColor="?android:attr/textColorPrimary" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/display_summary_on"
android:textAppearance="@android:style/TextAppearance.Material.Body1"
android:textColor="?android:attr/textColorSecondary" />
</LinearLayout>
</LinearLayout>
<!-- Sound & Notification Setting -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp"
android:paddingStart="8dp"
android:orientation="horizontal">
<ImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:src="@drawable/ic_settings_sound"
android:tint="?android:attr/colorAccent"
android:scaleType="center" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingStart="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/sound_settings"
android:textAppearance="@android:style/TextAppearance.Material.Subhead"
android:textColor="?android:attr/textColorPrimary" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/sound_settings_example_summary"
android:textAppearance="@android:style/TextAppearance.Material.Body1"
android:textColor="?android:attr/textColorSecondary" />
</LinearLayout>
</LinearLayout>
<!-- Apps Setting -->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp"
android:paddingStart="8dp"
android:orientation="horizontal">
<ImageView
android:layout_width="48dp"
android:layout_height="48dp"
android:src="@drawable/ic_settings_applications"
android:tint="?android:attr/colorAccent"
android:scaleType="center" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical"
android:paddingStart="16dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/applications_settings"
android:textAppearance="@android:style/TextAppearance.Material.Subhead"
android:textColor="?android:attr/textColorPrimary" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/apps_summary_example"
android:textAppearance="@android:style/TextAppearance.Material.Body1"
android:textColor="?android:attr/textColorSecondary" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>

5
res/values/strings.xml
View File

@@ -5746,6 +5746,9 @@
<!-- Sound: Dashboard summary. [CHAR LIMIT=100] -->
<string name="sound_settings_summary">Ringer volume at <xliff:g id="percentage" example="2">%1$s</xliff:g></string>
<!-- Sound: Dashboard summary example used in Setup Wizard preview screen. [CHAR LIMIT=100] -->
<string name="sound_settings_example_summary">Ringer volume at 80%</string>
<!-- Sound: Title for the option managing media volume. [CHAR LIMIT=30] -->
<string name="media_volume_option_title">Media volume</string>
@@ -6900,6 +6903,8 @@
<!-- Summary of apps [CHAR LIMIT=NONE] -->
<string name="apps_summary"><xliff:g id="count" example="24">%1$d</xliff:g> apps installed</string>
<!-- Example summary of apps used in Setup Wizard preview screen [CHAR LIMIT=NONE] -->
<string name="apps_summary_example">24 apps installed</string>
<!-- Summary of storage usage [CHAR LIMIT=NONE] -->
<string name="storage_summary"><xliff:g id="size1" example="8GB">%1$s</xliff:g> of <xliff:g id="size2" example="32GB">%2$s</xliff:g> used</string>

4
src/com/android/settings/SettingsPreferenceFragment.java
View File

@@ -40,7 +40,6 @@ import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import com.android.settings.accessibility.AccessibilitySettingsForSetupWizardActivity;
import com.android.settings.applications.LayoutPreference;
import com.android.settings.widget.FloatingActionButton;
@@ -164,8 +163,7 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (!TextUtils.isEmpty(mHelpUri)
&& !(getActivity() instanceof AccessibilitySettingsForSetupWizardActivity)) {
if (!TextUtils.isEmpty(mHelpUri)) {
setHasOptionsMenu(true);
}
}

97
src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
View File

@@ -17,14 +17,18 @@
package com.android.settings.accessibility;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ServiceInfo;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings;
import android.support.v7.preference.Preference;
import android.util.Log;
import android.view.accessibility.AccessibilityManager;
import com.android.internal.logging.MetricsProto;
@@ -40,16 +44,30 @@ import java.util.List;
public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragment
implements DialogCreatable, Preference.OnPreferenceChangeListener {
private static final String TAG = AccessibilitySettingsForSetupWizard.class.getSimpleName();
// Preferences.
private static final String DISPLAY_MAGNIFICATION_PREFERENCE =
"screen_magnification_preference";
private static final String TALKBACK_PREFERENCE = "talkback_preference";
private static final String SCREEN_READER_PREFERENCE = "talkback_preference";
private static final String FONT_SIZE_PREFERENCE = "font_size_preference";
// Time needed to let Talkback initialize its self before launching the tutorial.
private static final long SCREEN_READER_INITIALIZATION_DELAY_MS = 3000;
private String mTalkbackPackage;
// Preference controls.
private Preference mDisplayMagnificationPreference;
private Preference mTalkbackPreference;
private Runnable mStartTalkbackRunnable = new Runnable() {
@Override
public void run() {
launchTalkbackTutorial();
}
};
@Override
protected int getMetricsCategory() {
return MetricsProto.MetricsEvent.ACCESSIBILITY;
@@ -61,7 +79,7 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
addPreferencesFromResource(R.xml.accessibility_settings_for_setup_wizard);
mDisplayMagnificationPreference = findPreference(DISPLAY_MAGNIFICATION_PREFERENCE);
mTalkbackPreference = findPreference(TALKBACK_PREFERENCE);
mTalkbackPreference = findPreference(SCREEN_READER_PREFERENCE);
}
@Override
@@ -75,41 +93,16 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
return false;
}
/**
* Returns a semicolon-delimited string containing a list of all the
* installed {@link AccessibilityService}s that provide at least one
* required feedback type.
*
* @param context The {@link android.app.Activity} context.
* @param requiredFeedbackTypes An integer mask containing the required
* feedback types.
* @return A semicolon-delimited string containing a list of accessibility services.
*/
private String getAccessibilityServicesFiltered(
Context context, int requiredFeedbackTypes) {
final AccessibilityManager manager = context.getSystemService(AccessibilityManager.class);
final List<AccessibilityServiceInfo> accessibilityServices = manager
.getInstalledAccessibilityServiceList();
final StringBuilder servicesToEnable = new StringBuilder();
for (AccessibilityServiceInfo accessibilityService : accessibilityServices) {
if ((accessibilityService.feedbackType & requiredFeedbackTypes) == 0) {
continue;
private void launchTalkbackTutorial() {
try {
Intent intent = new Intent(Settings.ACTION_SCREEN_READER_TUTORIAL);
intent.setPackage(mTalkbackPackage);
startActivity(intent);
} catch (ActivityNotFoundException e) {
// This can happen if either the build is misconfigued or an OEM removes the intent
// filter for the Talkback tutorial from their implementation of Talkback.
Log.e(TAG, "Can't find Talkback Tutorial: " + Settings.ACTION_SCREEN_READER_TUTORIAL);
}
final ServiceInfo serviceInfo = accessibilityService.getResolveInfo().serviceInfo;
final ComponentName componentName = new ComponentName(serviceInfo.packageName,
serviceInfo.name);
servicesToEnable.append(componentName.flattenToString());
servicesToEnable.append(':');
}
if (servicesToEnable.length() > 0) {
servicesToEnable.deleteCharAt(servicesToEnable.length() - 1);
}
return servicesToEnable.toString();
}
@Override
@@ -130,17 +123,34 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
final int accessibilityEnabled =
Settings.Secure.getInt(resolver, Settings.Secure.ACCESSIBILITY_ENABLED, 0);
if (accessibilityEnabled == 0) {
final String servicesToEnable = getAccessibilityServicesFiltered(
getActivity(), AccessibilityServiceInfo.FEEDBACK_SPOKEN);
// Find the first installed screen reader.
String serviceToEnable = null;
final AccessibilityManager manager =
getActivity().getSystemService(AccessibilityManager.class);
final List<AccessibilityServiceInfo> accessibilityServices =
manager.getInstalledAccessibilityServiceList();
for (AccessibilityServiceInfo accessibilityService : accessibilityServices) {
if ((accessibilityService.feedbackType
& AccessibilityServiceInfo.FEEDBACK_SPOKEN) != 0) {
final ServiceInfo serviceInfo =
accessibilityService.getResolveInfo().serviceInfo;
mTalkbackPackage = serviceInfo.packageName;
final ComponentName componentName =
new ComponentName(serviceInfo.packageName, serviceInfo.name);
serviceToEnable = componentName.flattenToString();
break;
}
}
// Enable all accessibility services with spoken feedback type.
Settings.Secure.putString(resolver, Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
servicesToEnable);
serviceToEnable);
// Allow the services we just enabled to toggle touch exploration.
Settings.Secure.putString(resolver,
Settings.Secure.TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
servicesToEnable);
serviceToEnable);
// Enable touch exploration.
Settings.Secure.putInt(resolver, Settings.Secure.TOUCH_EXPLORATION_ENABLED, 1);
@@ -148,6 +158,13 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
// Turn on accessibility mode last, since enabling accessibility with no
// services has no effect.
Settings.Secure.putInt(resolver, Settings.Secure.ACCESSIBILITY_ENABLED, 1);
// Since Talkback will display an error message if it's not active when the Tutorial
// is launched, launch Talkbck Tutorial with a delay.
new Handler().postDelayed(mStartTalkbackRunnable,
SCREEN_READER_INITIALIZATION_DELAY_MS);
} else {
launchTalkbackTutorial();
}
}

2
src/com/android/settings/display/ScreenZoomSettings.java
View File

@@ -50,7 +50,7 @@ public class ScreenZoomSettings extends PreviewSeekBarPreferenceFragment impleme
// This should be replaced once the final preview sample screen is in place.
mPreviewSampleResIds = new int[]{R.layout.screen_zoom_preview_1,
R.layout.screen_zoom_preview_2,
R.layout.screen_zoom_preview_3};
R.layout.screen_zoom_preview_settings};
final DisplayDensityUtils density = new DisplayDensityUtils(getContext());