Add default emergency app setting
Bug: 19841649
Change-Id: I1763ee16e1e10c957261fe663f4c87269adcdef7
diff --git a/res/values/strings.xml b/res/values/strings.xml
index b1e862d..23514d4 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2890,6 +2890,8 @@
<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. -->
@@ -5637,6 +5639,7 @@
<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;
+ }
+}