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Move more Accessibility stuff to SettingsLib

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Change-Id: I081bffea6ff4da455f9040fc3f45198d1de85d26
This commit is contained in:
Tony Mantler
2015-10-30 12:44:11 -07:00
parent 15ca73ac51
commit 5fb3a7f666
2 changed files with 190 additions and 1 deletions
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109
packages/SettingsLib/res/values/strings.xml
View File

@@ -231,4 +231,113 @@
<!-- Launch defaults preference summary with none set [CHAR LIMIT=40] -->
<string name="launch_defaults_none">No defaults set</string>
<!-- Text-To-Speech (TTS) settings --><skip />
<!-- Name of the TTS package as listed by the package manager. -->
<string name="tts_settings">Text-to-speech settings</string>
<!-- TTS option item name in the main settings screen -->
<string name="tts_settings_title">Text-to-speech output</string>
<!-- On main TTS Settings screen, in default settings section, setting default speech rate for synthesized voice -->
<string name="tts_default_rate_title">Speech rate</string>
<!-- On main TTS Settings screen, summary for default speech rate for synthesized voice -->
<string name="tts_default_rate_summary">Speed at which the text is spoken</string>
<!-- On main TTS Settings screen, in default settings section, setting default language for synthesized voice -->
<string name="tts_default_lang_title">Language</string>
<!-- Entry in the TTS engine language/locale picker, when selected will try to default to the system language [CHAR LIMIT=50] -->
<string name="tts_lang_use_system">Use system language</string>
<!-- On main TTS Settings screen, language summary if it can't default to system language [CHAR LIMIT=50] -->
<string name="tts_lang_not_selected">Language not selected</string>
<!-- On main TTS Settings screen, summary for default language for synthesized voice -->
<string name="tts_default_lang_summary">Sets the language-specific voice for the spoken text</string>
<!-- On main TTS Settings screen, triggers playback of an example of speech synthesis -->
<string name="tts_play_example_title">Listen to an example</string>
<!-- On main TTS Settings screen, summary for triggering playback of an example of speech synthesis -->
<string name="tts_play_example_summary">Play a short demonstration of speech synthesis</string>
<!-- On main TTS Settings screen, click to install required speech synthesis data -->
<string name="tts_install_data_title">Install voice data</string>
<!-- On main TTS Settings screen, summary for click to install required speech synthesis data -->
<string name="tts_install_data_summary">Install the voice data required for speech synthesis</string>
<!-- Warning message about security implications of enabling a TTS engine, displayed as a dialog
message when the user selects to enable an engine. -->
<string name="tts_engine_security_warning">This speech synthesis engine may be able to collect
all the text that will be spoken, including personal data like passwords and credit
card numbers. It comes from the <xliff:g id="tts_plugin_engine_name">%s</xliff:g> engine.
Enable the use of this speech synthesis engine?</string>
<!-- Warning message about required internet conectivity for TTS synthesis, displayed as a dialog
message when the user selects to play an example for network only locale and there's no internet connectivity. -->
<string name="tts_engine_network_required">This language requires a working network connection for text-to-speech output.</string>
<!-- Text spoken by the TTS engine as an example if the engine doesn't provide sample text [CHAR LIMIT=100] -->
<string name="tts_default_sample_string">This is an example of speech synthesis</string>
<!-- On main TTS Settings screen, title of a field explaining current TTS engine status for
current default language [CHAR LIMIT=50] -->
<string name="tts_status_title">Default language status</string>
<!-- On main TTS Settings screen, current TTS engine status for the current default language,
selected language is fully supported by the engine [CHAR LIMIT=150]-->
<string name="tts_status_ok"><xliff:g id="locale" example="English (United States)">%1$s</xliff:g> is fully supported</string>
<!-- On main TTS Settings screen, current TTS engine status for the current default language,
selected language is supported by the engine only if there's a working network connection [CHAR LIMIT=150] -->
<string name="tts_status_requires_network"><xliff:g id="locale" example="English (United States)">%1$s</xliff:g> requires network connection</string>
<!-- On main TTS Settings screen, current TTS engine status for the current default language,
selected language is not supported by the engine [CHAR LIMIT=150] -->
<string name="tts_status_not_supported"><xliff:g id="locale" example="English (United States)">%1$s</xliff:g> is not supported</string>
<!-- On main TTS Settings screen, current TTS engine status for the current default language,
tts engine is queried for status [CHAR LIMIT=150] -->
<string name="tts_status_checking">Checking&#8230;</string>
<!-- Title for a preference in the main TTS settings screen, which
launches the settings screen for a given TTS engine when clicked
[CHAR LIMIT=30]-->
<string name="tts_engine_settings_title">Settings for <xliff:g id="tts_engine_name">%s</xliff:g></string>
<!-- [CHAR LIMIT=150] Text for screen readers / accessibility programs for
the image that launches the TTS engine settings when clicked. -->
<string name="tts_engine_settings_button">Launch engine settings</string>
<!-- [CHAR LIMIT=50] The text for the settings section that users to set a
preferred text to speech engine -->
<string name="tts_engine_preference_section_title">Preferred engine</string>
<!-- [CHAR LIMIT=50] Title of the settings section that displays general preferences
that are applicable to all engines, such as the speech rate -->
<string name="tts_general_section_title">General</string>
<!-- Default speech rate choices -->
<string-array name="tts_rate_entries">
<item>Very slow</item>
<item>Slow</item>
<item>Normal</item>
<item>Fast</item>
<item>Faster</item>
<item>Very fast</item>
<item>Rapid</item>
<item>Very rapid</item>
<item>Fastest</item>
</string-array>
<!-- Do not translate. -->
<string-array name="tts_rate_values">
<item>60</item>
<item>80</item>
<item>100</item>
<item>150</item>
<item>200</item>
<item>250</item>
<item>300</item>
<item>350</item>
<item>400</item>
</string-array>
<!-- Do not translate. -->
<string-array name="tts_demo_strings" translatable="false">
<item>This is an example of speech synthesis in English.</item>
<item>Voici un échantillon de synthèse vocale en français.</item>
<item>Dies ist ein Beispiel für Sprachsynthese in Deutsch.</item>
<item>Questo è un esempio di sintesi vocale in italiano.</item>
<item>Este es un ejemplo de síntesis de voz en español.</item>
<item>이것은 한국어 음성 합성의 예입니다.</item>
</string-array>
<!-- Do not translate. -->
<string-array name="tts_demo_string_langs" translatable="false">
<item>eng</item>
<item>fra</item>
<item>deu</item>
<item>ita</item>
<item>spa</item>
<item>kor</item>
</string-array>
</resources>

82
packages/SettingsLib/src/com/android/settingslib/accessibility/AccessibilityUtils.java
View File

@@ -16,15 +16,20 @@
package com.android.settingslib.accessibility;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.ArraySet;
import android.view.accessibility.AccessibilityManager;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
@@ -45,7 +50,7 @@ public class AccessibilityUtils {
return Collections.emptySet();
}
final Set<ComponentName> enabledServices = new HashSet<ComponentName>();
final Set<ComponentName> enabledServices = new HashSet<>();
final TextUtils.SimpleStringSplitter colonSplitter = sStringColonSplitter;
colonSplitter.setString(enabledServicesSetting);
@@ -71,4 +76,79 @@ public class AccessibilityUtils {
final Context langContext = context.createConfigurationContext(config);
return langContext.getText(resId);
}
public static void setAccessibilityServiceState(Context context, ComponentName toggledService,
boolean enabled) {
// Parse the enabled services.
Set<ComponentName> enabledServices = AccessibilityUtils.getEnabledServicesFromSettings(
context);
if (enabledServices.isEmpty()) {
enabledServices = new ArraySet<>(1);
}
// Determine enabled services and accessibility state.
boolean accessibilityEnabled = false;
if (enabled) {
enabledServices.add(toggledService);
// Enabling at least one service enables accessibility.
accessibilityEnabled = true;
} else {
enabledServices.remove(toggledService);
// Check how many enabled and installed services are present.
Set<ComponentName> installedServices = getInstalledServices(context);
for (ComponentName enabledService : enabledServices) {
if (installedServices.contains(enabledService)) {
// Disabling the last service disables accessibility.
accessibilityEnabled = true;
break;
}
}
}
// Update the enabled services setting.
StringBuilder enabledServicesBuilder = new StringBuilder();
// Keep the enabled services even if they are not installed since we
// have no way to know whether the application restore process has
// completed. In general the system should be responsible for the
// clean up not settings.
for (ComponentName enabledService : enabledServices) {
enabledServicesBuilder.append(enabledService.flattenToString());
enabledServicesBuilder.append(
AccessibilityUtils.ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR);
}
final int enabledServicesBuilderLength = enabledServicesBuilder.length();
if (enabledServicesBuilderLength > 0) {
enabledServicesBuilder.deleteCharAt(enabledServicesBuilderLength - 1);
}
Settings.Secure.putString(context.getContentResolver(),
Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
enabledServicesBuilder.toString());
// Update accessibility enabled.
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_ENABLED, accessibilityEnabled ? 1 : 0);
}
private static Set<ComponentName> getInstalledServices(Context context) {
final Set<ComponentName> installedServices = new HashSet<>();
installedServices.clear();
final List<AccessibilityServiceInfo> installedServiceInfos =
AccessibilityManager.getInstance(context)
.getInstalledAccessibilityServiceList();
if (installedServiceInfos == null) {
return installedServices;
}
for (final AccessibilityServiceInfo info : installedServiceInfos) {
final ResolveInfo resolveInfo = info.getResolveInfo();
final ComponentName installedService = new ComponentName(
resolveInfo.serviceInfo.packageName,
resolveInfo.serviceInfo.name);
installedServices.add(installedService);
}
return installedServices;
}
}