Move accessibility settings to their own package
Change-Id: I5822bf4a81f5ade4ee0649ed30c2daa40d7e8fe2
This commit is contained in:
Alan Viverette
@@ -0,0 +1,622 @@
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.accessibility;
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import android.accessibilityservice.AccessibilityServiceInfo;
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import android.app.ActivityManagerNative;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.pm.ResolveInfo;
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import android.content.pm.ServiceInfo;
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import android.content.res.Configuration;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.RemoteException;
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import android.os.SystemProperties;
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import android.preference.CheckBoxPreference;
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import android.preference.ListPreference;
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import android.preference.Preference;
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import android.preference.PreferenceCategory;
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import android.preference.PreferenceScreen;
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import android.provider.Settings;
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import android.text.TextUtils;
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import android.text.TextUtils.SimpleStringSplitter;
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import android.view.KeyCharacterMap;
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import android.view.KeyEvent;
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import android.view.View;
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import android.view.accessibility.AccessibilityManager;
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import android.widget.TextView;
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import com.android.internal.content.PackageMonitor;
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import com.android.internal.view.RotationPolicy;
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import com.android.internal.view.RotationPolicy.RotationPolicyListener;
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import com.android.settings.DialogCreatable;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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import com.android.settings.Utils;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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/**
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* Activity with the accessibility settings.
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*/
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public class AccessibilitySettings extends SettingsPreferenceFragment implements DialogCreatable,
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Preference.OnPreferenceChangeListener {
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private static final String DEFAULT_SCREENREADER_MARKET_LINK =
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"market://search?q=pname:com.google.android.marvin.talkback";
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private static final float LARGE_FONT_SCALE = 1.3f;
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private static final String SYSTEM_PROPERTY_MARKET_URL = "ro.screenreader.market";
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static final char ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR = ':';
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private static final String KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE =
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"key_install_accessibility_service_offered_once";
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// Preference categories
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private static final String SERVICES_CATEGORY = "services_category";
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private static final String SYSTEM_CATEGORY = "system_category";
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// Preferences
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private static final String TOGGLE_LARGE_TEXT_PREFERENCE =
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"toggle_large_text_preference";
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private static final String TOGGLE_POWER_BUTTON_ENDS_CALL_PREFERENCE =
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"toggle_power_button_ends_call_preference";
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private static final String TOGGLE_LOCK_SCREEN_ROTATION_PREFERENCE =
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"toggle_lock_screen_rotation_preference";
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private static final String TOGGLE_SPEAK_PASSWORD_PREFERENCE =
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"toggle_speak_password_preference";
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private static final String SELECT_LONG_PRESS_TIMEOUT_PREFERENCE =
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"select_long_press_timeout_preference";
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private static final String ENABLE_ACCESSIBILITY_GESTURE_PREFERENCE_SCREEN =
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"enable_global_gesture_preference_screen";
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private static final String DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN =
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"screen_magnification_preference_screen";
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// Extras passed to sub-fragments.
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static final String EXTRA_PREFERENCE_KEY = "preference_key";
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static final String EXTRA_CHECKED = "checked";
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static final String EXTRA_TITLE = "title";
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static final String EXTRA_SUMMARY = "summary";
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static final String EXTRA_SETTINGS_TITLE = "settings_title";
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static final String EXTRA_COMPONENT_NAME = "component_name";
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static final String EXTRA_SETTINGS_COMPONENT_NAME = "settings_component_name";
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// Timeout before we update the services if packages are added/removed
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// since the AccessibilityManagerService has to do that processing first
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// to generate the AccessibilityServiceInfo we need for proper
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// presentation.
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private static final long DELAY_UPDATE_SERVICES_MILLIS = 1000;
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// Dialog IDs.
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private static final int DIALOG_ID_NO_ACCESSIBILITY_SERVICES = 1;
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// Auxiliary members.
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final static SimpleStringSplitter sStringColonSplitter =
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new SimpleStringSplitter(ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR);
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static final Set<ComponentName> sInstalledServices = new HashSet<ComponentName>();
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private final Map<String, String> mLongPressTimeoutValuetoTitleMap =
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new HashMap<String, String>();
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private final Configuration mCurConfig = new Configuration();
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private final Handler mHandler = new Handler();
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private final Runnable mUpdateRunnable = new Runnable() {
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@Override
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public void run() {
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loadInstalledServices();
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updateServicesPreferences();
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}
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};
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private final PackageMonitor mSettingsPackageMonitor = new PackageMonitor() {
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@Override
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public void onPackageAdded(String packageName, int uid) {
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sendUpdate();
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}
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@Override
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public void onPackageAppeared(String packageName, int reason) {
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sendUpdate();
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}
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@Override
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public void onPackageDisappeared(String packageName, int reason) {
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sendUpdate();
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}
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@Override
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public void onPackageRemoved(String packageName, int uid) {
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sendUpdate();
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}
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private void sendUpdate() {
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mHandler.postDelayed(mUpdateRunnable, DELAY_UPDATE_SERVICES_MILLIS);
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}
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};
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private final SettingsContentObserver mSettingsContentObserver =
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new SettingsContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange, Uri uri) {
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loadInstalledServices();
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updateServicesPreferences();
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}
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};
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private final RotationPolicyListener mRotationPolicyListener = new RotationPolicyListener() {
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@Override
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public void onChange() {
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updateLockScreenRotationCheckbox();
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}
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};
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// Preference controls.
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private PreferenceCategory mServicesCategory;
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private PreferenceCategory mSystemsCategory;
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private CheckBoxPreference mToggleLargeTextPreference;
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private CheckBoxPreference mTogglePowerButtonEndsCallPreference;
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private CheckBoxPreference mToggleLockScreenRotationPreference;
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private CheckBoxPreference mToggleSpeakPasswordPreference;
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private ListPreference mSelectLongPressTimeoutPreference;
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private Preference mNoServicesMessagePreference;
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private PreferenceScreen mDisplayMagnificationPreferenceScreen;
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private PreferenceScreen mGlobalGesturePreferenceScreen;
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private int mLongPressTimeoutDefault;
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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addPreferencesFromResource(R.xml.accessibility_settings);
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initializeAllPreferences();
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}
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@Override
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public void onResume() {
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super.onResume();
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loadInstalledServices();
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updateAllPreferences();
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offerInstallAccessibilitySerivceOnce();
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mSettingsPackageMonitor.register(getActivity(), getActivity().getMainLooper(), false);
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mSettingsContentObserver.register(getContentResolver());
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if (RotationPolicy.isRotationSupported(getActivity())) {
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RotationPolicy.registerRotationPolicyListener(getActivity(),
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mRotationPolicyListener);
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}
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}
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@Override
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public void onPause() {
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mSettingsPackageMonitor.unregister();
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mSettingsContentObserver.unregister(getContentResolver());
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if (RotationPolicy.isRotationSupported(getActivity())) {
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RotationPolicy.unregisterRotationPolicyListener(getActivity(),
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mRotationPolicyListener);
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}
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super.onPause();
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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if (preference == mSelectLongPressTimeoutPreference) {
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String stringValue = (String) newValue;
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Settings.Secure.putInt(getContentResolver(),
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Settings.Secure.LONG_PRESS_TIMEOUT, Integer.parseInt(stringValue));
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mSelectLongPressTimeoutPreference.setSummary(
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mLongPressTimeoutValuetoTitleMap.get(stringValue));
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return true;
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}
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return false;
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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if (mToggleLargeTextPreference == preference) {
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handleToggleLargeTextPreferenceClick();
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return true;
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} else if (mTogglePowerButtonEndsCallPreference == preference) {
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handleTogglePowerButtonEndsCallPreferenceClick();
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return true;
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} else if (mToggleLockScreenRotationPreference == preference) {
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handleLockScreenRotationPreferenceClick();
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return true;
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} else if (mToggleSpeakPasswordPreference == preference) {
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handleToggleSpeakPasswordPreferenceClick();
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return true;
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} else if (mGlobalGesturePreferenceScreen == preference) {
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handleTogglEnableAccessibilityGesturePreferenceClick();
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return true;
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} else if (mDisplayMagnificationPreferenceScreen == preference) {
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handleDisplayMagnificationPreferenceScreenClick();
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return true;
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}
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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private void handleToggleLargeTextPreferenceClick() {
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try {
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mCurConfig.fontScale = mToggleLargeTextPreference.isChecked() ? LARGE_FONT_SCALE : 1;
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ActivityManagerNative.getDefault().updatePersistentConfiguration(mCurConfig);
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} catch (RemoteException re) {
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/* ignore */
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}
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}
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private void handleTogglePowerButtonEndsCallPreferenceClick() {
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Settings.Secure.putInt(getContentResolver(),
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Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
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(mTogglePowerButtonEndsCallPreference.isChecked()
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? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
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: Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF));
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}
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private void handleLockScreenRotationPreferenceClick() {
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RotationPolicy.setRotationLockForAccessibility(getActivity(),
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!mToggleLockScreenRotationPreference.isChecked());
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}
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private void handleToggleSpeakPasswordPreferenceClick() {
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Settings.Secure.putInt(getContentResolver(),
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Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD,
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mToggleSpeakPasswordPreference.isChecked() ? 1 : 0);
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}
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private void handleTogglEnableAccessibilityGesturePreferenceClick() {
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Bundle extras = mGlobalGesturePreferenceScreen.getExtras();
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extras.putString(EXTRA_TITLE, getString(
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R.string.accessibility_global_gesture_preference_title));
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extras.putString(EXTRA_SUMMARY, getString(
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R.string.accessibility_global_gesture_preference_description));
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extras.putBoolean(EXTRA_CHECKED, Settings.Global.getInt(getContentResolver(),
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Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1);
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super.onPreferenceTreeClick(mGlobalGesturePreferenceScreen,
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mGlobalGesturePreferenceScreen);
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}
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private void handleDisplayMagnificationPreferenceScreenClick() {
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Bundle extras = mDisplayMagnificationPreferenceScreen.getExtras();
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extras.putString(EXTRA_TITLE, getString(
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R.string.accessibility_screen_magnification_title));
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extras.putCharSequence(EXTRA_SUMMARY, getActivity().getResources().getText(
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R.string.accessibility_screen_magnification_summary));
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extras.putBoolean(EXTRA_CHECKED, Settings.Secure.getInt(getContentResolver(),
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1);
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super.onPreferenceTreeClick(mDisplayMagnificationPreferenceScreen,
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mDisplayMagnificationPreferenceScreen);
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}
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private void initializeAllPreferences() {
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mServicesCategory = (PreferenceCategory) findPreference(SERVICES_CATEGORY);
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mSystemsCategory = (PreferenceCategory) findPreference(SYSTEM_CATEGORY);
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// Large text.
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mToggleLargeTextPreference =
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(CheckBoxPreference) findPreference(TOGGLE_LARGE_TEXT_PREFERENCE);
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// Power button ends calls.
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mTogglePowerButtonEndsCallPreference =
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(CheckBoxPreference) findPreference(TOGGLE_POWER_BUTTON_ENDS_CALL_PREFERENCE);
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if (!KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
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|| !Utils.isVoiceCapable(getActivity())) {
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mSystemsCategory.removePreference(mTogglePowerButtonEndsCallPreference);
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}
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// Lock screen rotation.
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mToggleLockScreenRotationPreference =
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(CheckBoxPreference) findPreference(TOGGLE_LOCK_SCREEN_ROTATION_PREFERENCE);
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if (!RotationPolicy.isRotationSupported(getActivity())) {
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mSystemsCategory.removePreference(mToggleLockScreenRotationPreference);
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}
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// Speak passwords.
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mToggleSpeakPasswordPreference =
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(CheckBoxPreference) findPreference(TOGGLE_SPEAK_PASSWORD_PREFERENCE);
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// Long press timeout.
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mSelectLongPressTimeoutPreference =
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(ListPreference) findPreference(SELECT_LONG_PRESS_TIMEOUT_PREFERENCE);
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mSelectLongPressTimeoutPreference.setOnPreferenceChangeListener(this);
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if (mLongPressTimeoutValuetoTitleMap.size() == 0) {
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String[] timeoutValues = getResources().getStringArray(
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R.array.long_press_timeout_selector_values);
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mLongPressTimeoutDefault = Integer.parseInt(timeoutValues[0]);
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String[] timeoutTitles = getResources().getStringArray(
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R.array.long_press_timeout_selector_titles);
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final int timeoutValueCount = timeoutValues.length;
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for (int i = 0; i < timeoutValueCount; i++) {
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mLongPressTimeoutValuetoTitleMap.put(timeoutValues[i], timeoutTitles[i]);
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}
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}
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// Display magnification.
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mDisplayMagnificationPreferenceScreen = (PreferenceScreen) findPreference(
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DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN);
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// Global gesture.
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mGlobalGesturePreferenceScreen =
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(PreferenceScreen) findPreference(ENABLE_ACCESSIBILITY_GESTURE_PREFERENCE_SCREEN);
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final int longPressOnPowerBehavior = getActivity().getResources().getInteger(
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com.android.internal.R.integer.config_longPressOnPowerBehavior);
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final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
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if (!KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
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|| longPressOnPowerBehavior != LONG_PRESS_POWER_GLOBAL_ACTIONS) {
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// Remove accessibility shortcut if power key is not present
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// nor long press power does not show global actions menu.
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mSystemsCategory.removePreference(mGlobalGesturePreferenceScreen);
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}
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}
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private void updateAllPreferences() {
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updateServicesPreferences();
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updateSystemPreferences();
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}
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private void updateServicesPreferences() {
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// Since services category is auto generated we have to do a pass
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// to generate it since services can come and go and then based on
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// the global accessibility state to decided whether it is enabled.
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// Generate.
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mServicesCategory.removeAll();
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AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(getActivity());
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List<AccessibilityServiceInfo> installedServices =
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accessibilityManager.getInstalledAccessibilityServiceList();
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Set<ComponentName> enabledServices = AccessibilityUtils.getEnabledServicesFromSettings(
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getActivity());
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final boolean accessibilityEnabled = Settings.Secure.getInt(getContentResolver(),
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Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1;
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for (int i = 0, count = installedServices.size(); i < count; ++i) {
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AccessibilityServiceInfo info = installedServices.get(i);
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PreferenceScreen preference = getPreferenceManager().createPreferenceScreen(
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getActivity());
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String title = info.getResolveInfo().loadLabel(getPackageManager()).toString();
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ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
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ComponentName componentName = new ComponentName(serviceInfo.packageName,
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serviceInfo.name);
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preference.setKey(componentName.flattenToString());
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preference.setTitle(title);
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final boolean serviceEnabled = accessibilityEnabled
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&& enabledServices.contains(componentName);
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if (serviceEnabled) {
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preference.setSummary(getString(R.string.accessibility_feature_state_on));
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} else {
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preference.setSummary(getString(R.string.accessibility_feature_state_off));
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}
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preference.setOrder(i);
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preference.setFragment(ToggleAccessibilityServicePreferenceFragment.class.getName());
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preference.setPersistent(true);
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Bundle extras = preference.getExtras();
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extras.putString(EXTRA_PREFERENCE_KEY, preference.getKey());
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extras.putBoolean(EXTRA_CHECKED, serviceEnabled);
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extras.putString(EXTRA_TITLE, title);
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String description = info.loadDescription(getPackageManager());
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if (TextUtils.isEmpty(description)) {
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description = getString(R.string.accessibility_service_default_description);
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}
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extras.putString(EXTRA_SUMMARY, description);
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String settingsClassName = info.getSettingsActivityName();
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if (!TextUtils.isEmpty(settingsClassName)) {
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extras.putString(EXTRA_SETTINGS_TITLE,
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getString(R.string.accessibility_menu_item_settings));
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extras.putString(EXTRA_SETTINGS_COMPONENT_NAME,
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new ComponentName(info.getResolveInfo().serviceInfo.packageName,
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settingsClassName).flattenToString());
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}
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extras.putParcelable(EXTRA_COMPONENT_NAME, componentName);
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mServicesCategory.addPreference(preference);
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}
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if (mServicesCategory.getPreferenceCount() == 0) {
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if (mNoServicesMessagePreference == null) {
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mNoServicesMessagePreference = new Preference(getActivity()) {
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@Override
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||||
protected void onBindView(View view) {
|
||||
super.onBindView(view);
|
||||
TextView summaryView = (TextView) view.findViewById(R.id.summary);
|
||||
String title = getString(R.string.accessibility_no_services_installed);
|
||||
summaryView.setText(title);
|
||||
}
|
||||
};
|
||||
mNoServicesMessagePreference.setPersistent(false);
|
||||
mNoServicesMessagePreference.setLayoutResource(
|
||||
R.layout.text_description_preference);
|
||||
mNoServicesMessagePreference.setSelectable(false);
|
||||
}
|
||||
mServicesCategory.addPreference(mNoServicesMessagePreference);
|
||||
}
|
||||
}
|
||||
|
||||
private void updateSystemPreferences() {
|
||||
// Large text.
|
||||
try {
|
||||
mCurConfig.updateFrom(ActivityManagerNative.getDefault().getConfiguration());
|
||||
} catch (RemoteException re) {
|
||||
/* ignore */
|
||||
}
|
||||
mToggleLargeTextPreference.setChecked(mCurConfig.fontScale == LARGE_FONT_SCALE);
|
||||
|
||||
// Power button ends calls.
|
||||
if (KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
|
||||
&& Utils.isVoiceCapable(getActivity())) {
|
||||
final int incallPowerBehavior = Settings.Secure.getInt(getContentResolver(),
|
||||
Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
|
||||
Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT);
|
||||
final boolean powerButtonEndsCall =
|
||||
(incallPowerBehavior == Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP);
|
||||
mTogglePowerButtonEndsCallPreference.setChecked(powerButtonEndsCall);
|
||||
}
|
||||
|
||||
// Auto-rotate screen
|
||||
updateLockScreenRotationCheckbox();
|
||||
|
||||
// Speak passwords.
|
||||
final boolean speakPasswordEnabled = Settings.Secure.getInt(getContentResolver(),
|
||||
Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0) != 0;
|
||||
mToggleSpeakPasswordPreference.setChecked(speakPasswordEnabled);
|
||||
|
||||
// Long press timeout.
|
||||
final int longPressTimeout = Settings.Secure.getInt(getContentResolver(),
|
||||
Settings.Secure.LONG_PRESS_TIMEOUT, mLongPressTimeoutDefault);
|
||||
String value = String.valueOf(longPressTimeout);
|
||||
mSelectLongPressTimeoutPreference.setValue(value);
|
||||
mSelectLongPressTimeoutPreference.setSummary(mLongPressTimeoutValuetoTitleMap.get(value));
|
||||
|
||||
// Screen magnification.
|
||||
final boolean magnificationEnabled = Settings.Secure.getInt(getContentResolver(),
|
||||
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1;
|
||||
if (magnificationEnabled) {
|
||||
mDisplayMagnificationPreferenceScreen.setSummary(
|
||||
R.string.accessibility_feature_state_on);
|
||||
} else {
|
||||
mDisplayMagnificationPreferenceScreen.setSummary(
|
||||
R.string.accessibility_feature_state_off);
|
||||
}
|
||||
|
||||
// Global gesture
|
||||
final boolean globalGestureEnabled = Settings.Global.getInt(getContentResolver(),
|
||||
Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
|
||||
if (globalGestureEnabled) {
|
||||
mGlobalGesturePreferenceScreen.setSummary(
|
||||
R.string.accessibility_global_gesture_preference_summary_on);
|
||||
} else {
|
||||
mGlobalGesturePreferenceScreen.setSummary(
|
||||
R.string.accessibility_global_gesture_preference_summary_off);
|
||||
}
|
||||
}
|
||||
|
||||
private void updateLockScreenRotationCheckbox() {
|
||||
Context context = getActivity();
|
||||
if (context != null) {
|
||||
mToggleLockScreenRotationPreference.setChecked(
|
||||
!RotationPolicy.isRotationLocked(context));
|
||||
}
|
||||
}
|
||||
|
||||
private void offerInstallAccessibilitySerivceOnce() {
|
||||
// There is always one preference - if no services it is just a message.
|
||||
if (mServicesCategory.getPreference(0) != mNoServicesMessagePreference) {
|
||||
return;
|
||||
}
|
||||
SharedPreferences preferences = getActivity().getPreferences(Context.MODE_PRIVATE);
|
||||
final boolean offerInstallService = !preferences.getBoolean(
|
||||
KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE, false);
|
||||
if (offerInstallService) {
|
||||
String screenreaderMarketLink = SystemProperties.get(
|
||||
SYSTEM_PROPERTY_MARKET_URL,
|
||||
DEFAULT_SCREENREADER_MARKET_LINK);
|
||||
Uri marketUri = Uri.parse(screenreaderMarketLink);
|
||||
Intent marketIntent = new Intent(Intent.ACTION_VIEW, marketUri);
|
||||
|
||||
if (getPackageManager().resolveActivity(marketIntent, 0) == null) {
|
||||
// Don't show the dialog if no market app is found/installed.
|
||||
return;
|
||||
}
|
||||
|
||||
preferences.edit().putBoolean(KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE,
|
||||
true).commit();
|
||||
// Notify user that they do not have any accessibility
|
||||
// services installed and direct them to Market to get TalkBack.
|
||||
showDialog(DIALOG_ID_NO_ACCESSIBILITY_SERVICES);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Dialog onCreateDialog(int dialogId) {
|
||||
switch (dialogId) {
|
||||
case DIALOG_ID_NO_ACCESSIBILITY_SERVICES:
|
||||
return new AlertDialog.Builder(getActivity())
|
||||
.setTitle(R.string.accessibility_service_no_apps_title)
|
||||
.setMessage(R.string.accessibility_service_no_apps_message)
|
||||
.setPositiveButton(android.R.string.ok,
|
||||
new DialogInterface.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(DialogInterface dialog, int which) {
|
||||
// dismiss the dialog before launching
|
||||
// the activity otherwise the dialog
|
||||
// removal occurs after
|
||||
// onSaveInstanceState which triggers an
|
||||
// exception
|
||||
removeDialog(DIALOG_ID_NO_ACCESSIBILITY_SERVICES);
|
||||
String screenreaderMarketLink = SystemProperties.get(
|
||||
SYSTEM_PROPERTY_MARKET_URL,
|
||||
DEFAULT_SCREENREADER_MARKET_LINK);
|
||||
Uri marketUri = Uri.parse(screenreaderMarketLink);
|
||||
Intent marketIntent = new Intent(Intent.ACTION_VIEW,
|
||||
marketUri);
|
||||
startActivity(marketIntent);
|
||||
}
|
||||
})
|
||||
.setNegativeButton(android.R.string.cancel, null)
|
||||
.create();
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private void loadInstalledServices() {
|
||||
Set<ComponentName> installedServices = sInstalledServices;
|
||||
installedServices.clear();
|
||||
|
||||
List<AccessibilityServiceInfo> installedServiceInfos =
|
||||
AccessibilityManager.getInstance(getActivity())
|
||||
.getInstalledAccessibilityServiceList();
|
||||
if (installedServiceInfos == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
final int installedServiceInfoCount = installedServiceInfos.size();
|
||||
for (int i = 0; i < installedServiceInfoCount; i++) {
|
||||
ResolveInfo resolveInfo = installedServiceInfos.get(i).getResolveInfo();
|
||||
ComponentName installedService = new ComponentName(
|
||||
resolveInfo.serviceInfo.packageName,
|
||||
resolveInfo.serviceInfo.name);
|
||||
installedServices.add(installedService);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user