diff options
| -rw-r--r-- | res/values/strings.xml | 3 | ||||
| -rw-r--r-- | res/xml/advanced_apps.xml | 5 | ||||
| -rw-r--r-- | src/com/android/settings/applications/DefaultEmergencyPreference.java | 137 |
3 files changed, 145 insertions, 0 deletions
diff --git a/res/values/strings.xml b/res/values/strings.xml index 8b71ed5..3eaf38d 100644 --- a/res/values/strings.xml +++ b/res/values/strings.xml @@ -2884,6 +2884,8 @@ <string name="show_running_services">Show running services</string> <!-- [CHAR LIMIT=25] Manage applications screen, menu item. Show background cached processes. --> <string name="show_background_processes">Show cached processes</string> + <!-- [CHAR LIMIT=NONE] Advanced applications screen, preference title. Choose the emergency application. --> + <string name="default_emergency_app">Default emergency app</string> <!-- [CHAR LIMIT=NONE] Manage applications screen, menu item. Reset all of user's app preferences. --> <string name="reset_app_preferences">Reset app preferences</string> <!-- [CHAR LIMIT=NONE] Manage applications screen, menu item. Title of dialog to confirm resetting user's app preferences. --> @@ -5631,6 +5633,7 @@ <string name="keywords_users">restriction restrict restricted</string> <string name="keywords_keyboard_and_ime">text correction correct sound vibrate auto language gesture suggest suggestion theme offensive word type emoji international</string> <string name="keywords_reset_apps">reset preferences default</string> + <string name="keywords_emergency_app">emergency ice app default</string> <string name="keywords_all_apps">apps download applications system</string> <string name="keywords_app_permissions">apps permissions security</string> <!-- Search keywords for different screen unlock modes : slide to unlock, password, pattern and PIN [CHAR LIMIT=none] --> diff --git a/res/xml/advanced_apps.xml b/res/xml/advanced_apps.xml index e1759aa..2bbd5be 100644 --- a/res/xml/advanced_apps.xml +++ b/res/xml/advanced_apps.xml @@ -41,4 +41,9 @@ android:summary="@string/reset_app_preferences_description" settings:keywords="@string/keywords_reset_apps" /> + <com.android.settings.applications.DefaultEmergencyPreference + android:key="default_emergency_app" + android:title="@string/default_emergency_app" + settings:keywords="@string/keywords_emergency_app" /> + </PreferenceScreen> diff --git a/src/com/android/settings/applications/DefaultEmergencyPreference.java b/src/com/android/settings/applications/DefaultEmergencyPreference.java new file mode 100644 index 0000000..08e6e94 --- /dev/null +++ b/src/com/android/settings/applications/DefaultEmergencyPreference.java @@ -0,0 +1,137 @@ +/* + * Copyright (C) 2015 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.android.settings.applications; + +import com.android.internal.util.ArrayUtils; + +import android.content.ContentResolver; +import android.content.Context; +import android.content.Intent; +import android.content.pm.ApplicationInfo; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; +import android.os.AsyncTask; +import android.preference.ListPreference; +import android.provider.Settings; +import android.telephony.TelephonyManager; +import android.text.TextUtils; +import android.util.ArrayMap; +import android.util.AttributeSet; + +import java.util.List; +import java.util.Objects; + +/** + * A preference for choosing the default emergency app + */ +public class DefaultEmergencyPreference extends ListPreference { + + private final ContentResolver mContentResolver; + + public DefaultEmergencyPreference(Context context, AttributeSet attrs) { + super(context, attrs); + mContentResolver = context.getContentResolver(); + load(); + } + + @Override + protected boolean persistString(String value) { + String previousValue = Settings.Secure.getString(mContentResolver, + Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION); + + if (!TextUtils.isEmpty(value) && !Objects.equals(value, previousValue)) { + Settings.Secure.putString(mContentResolver, + Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION, + value); + } + setSummary(getEntry()); + return true; + } + + private void load() { + new AsyncTask<Void, Void, ArrayMap<String, CharSequence>>() { + @Override + protected ArrayMap<String, CharSequence> doInBackground(Void[] params) { + return resolveAssistPackageAndQueryApps(); + } + + @Override + protected void onPostExecute(ArrayMap<String, CharSequence> entries) { + setEntries(entries.values().toArray(new CharSequence[entries.size()])); + setEntryValues(entries.keySet().toArray(new String[entries.size()])); + + setValue(Settings.Secure.getString(mContentResolver, + Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION)); + } + }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); + } + + private ArrayMap<String, CharSequence> resolveAssistPackageAndQueryApps() { + ArrayMap<String, CharSequence> packages = new ArrayMap<>(); + + Intent queryIntent = new Intent(TelephonyManager.ACTION_EMERGENCY_ASSISTANCE); + PackageManager packageManager = getContext().getPackageManager(); + List<ResolveInfo> infos = packageManager.queryIntentActivities(queryIntent, 0); + + PackageInfo bestMatch = null; + for (int i = 0; i < infos.size(); i++) { + if (infos.get(i) == null || infos.get(i).activityInfo == null + || packages.containsKey(infos.get(i).activityInfo.packageName)) { + continue; + } + + String packageName = infos.get(i).activityInfo.packageName; + CharSequence label = infos.get(i).activityInfo.applicationInfo + .loadLabel(packageManager); + + packages.put(packageName, label); + + PackageInfo packageInfo; + try { + packageInfo = packageManager.getPackageInfo(packageName, 0); + } catch (PackageManager.NameNotFoundException e) { + continue; + } + + // Get earliest installed app, but prioritize system apps. + if (bestMatch == null + || !isSystemApp(bestMatch) && isSystemApp(packageInfo) + || isSystemApp(bestMatch) == isSystemApp(packageInfo) + && bestMatch.firstInstallTime > packageInfo.firstInstallTime) { + bestMatch = packageInfo; + } + } + + String defaultPackage = Settings.Secure.getString(mContentResolver, + Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION); + boolean defaultMissing = TextUtils.isEmpty(defaultPackage) + || !packages.containsKey(defaultPackage); + if (bestMatch != null && defaultMissing) { + Settings.Secure.putString(mContentResolver, + Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION, + bestMatch.packageName); + } + + return packages; + } + + private static boolean isSystemApp(PackageInfo info) { + return info.applicationInfo != null + && (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; + } +} |