From dc868a18f80fae26ae2c472163af707ad462482f Mon Sep 17 00:00:00 2001
From: Yorke Lee <yorkelee@google.com>
Date: Tue, 21 Apr 2015 10:18:51 -0700
Subject: [PATCH] Add default phone app to system settings

Bug: 20303635

Change-Id: Ibf052fa92347bff49a638c4042d899c9d6587410
---
 res/values/strings.xml                        |  6 +-
 res/xml/default_apps.xml                      |  6 ++
 .../applications/DefaultDialerPreference.java | 81 +++++++++++++++++++
 .../applications/ManageDefaultApps.java       |  8 +-
 4 files changed, 99 insertions(+), 2 deletions(-)
 create mode 100644 src/com/android/settings/applications/DefaultDialerPreference.java

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 5546cc40ef9..f01107b2bfc 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -750,7 +750,7 @@
     </plurals>
     <!-- Introduction title shown in fingerprint enrollment dialog [CHAR LIMIT=22] -->
     <string name="security_settings_fingerprint_enroll_onboard_title">Fingerprint setup</string>
-    <!-- Introduction message shown in fingerprint enrollment dialog when the user needs to choose an 
+    <!-- Introduction message shown in fingerprint enrollment dialog when the user needs to choose an
          alternate screen unlock (pin, pattern or password) as a backup to fingerprint. -->
     <string name="security_settings_fingerprint_enroll_onboard_message">
         To use your fingerprint to unlock your screen or confirm purchases, we\'ll need to:
@@ -5792,6 +5792,7 @@
     <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_default_dialer_app">dialer default</string>
     <string name="keywords_all_apps">apps download applications system</string>
     <string name="keywords_app_permissions">apps permissions security</string>
     <string name="keywords_default_apps">apps default</string>
@@ -6453,6 +6454,9 @@
     <!-- Summary for No Default Browser settings [CHAR LIMIT=45] -->
     <string name="default_browser_title_none">No default Browser</string>
 
+    <!--  Title for Default Dialer settings [CHAR LIMIT=30] -->
+    <string name="default_dialer_title">Dialer app</string>
+
     <!-- Label of default app for current setting [CHAR LIMIT=40] -->
     <string name="default_app">(Default)</string>
 
diff --git a/res/xml/default_apps.xml b/res/xml/default_apps.xml
index 392dd85a6ad..301c248f7ab 100644
--- a/res/xml/default_apps.xml
+++ b/res/xml/default_apps.xml
@@ -25,6 +25,12 @@
             android:summary="@string/default_browser_title_none"
             />
 
+    <com.android.settings.applications.DefaultDialerPreference
+            android:key="default_dialer"
+            android:title="@string/default_dialer_title"
+            settings:keywords="@string/keywords_default_dialer_app"
+            />
+
     <com.android.settings.applications.DefaultEmergencyPreference
             android:key="default_emergency_app"
             android:title="@string/default_emergency_app"
diff --git a/src/com/android/settings/applications/DefaultDialerPreference.java b/src/com/android/settings/applications/DefaultDialerPreference.java
new file mode 100644
index 00000000000..ce169664815
--- /dev/null
+++ b/src/com/android/settings/applications/DefaultDialerPreference.java
@@ -0,0 +1,81 @@
+/*
+ * 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 android.content.ComponentName;
+import android.content.Context;
+import android.os.UserManager;
+import android.telecom.DefaultDialerManager;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+
+import com.android.settings.AppListPreference;
+
+import java.util.List;
+import java.util.Objects;
+
+public class DefaultDialerPreference extends AppListPreference {
+
+    public DefaultDialerPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        if (isAvailable(context)) {
+            loadDialerApps();
+        }
+    }
+
+    @Override
+    protected boolean persistString(String value) {
+        if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
+            DefaultDialerManager.setDefaultPhoneApplication(getContext(), value);
+        }
+        setSummary(getEntry());
+        return true;
+    }
+
+    private void loadDialerApps() {
+        List<ComponentName> dialerComponents =
+                DefaultDialerManager.getInstalledDialerApplications(getContext());
+
+        final String[] dialers = new String[dialerComponents.size()];
+        for (int i = 0; i < dialerComponents.size(); i++) {
+            dialers[i] = dialerComponents.get(i).getPackageName();
+        }
+        setPackageNames(dialers, getDefaultPackage());
+    }
+
+    private String getDefaultPackage() {
+        ComponentName appName = DefaultDialerManager.getDefaultDialerApplication(getContext());
+        if (appName != null) {
+            return appName.getPackageName();
+        }
+        return null;
+    }
+
+    public static boolean isAvailable(Context context) {
+        final TelephonyManager tm =
+                (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
+        if (!tm.isVoiceCapable()) {
+            return false;
+        }
+
+        final UserManager um =
+                (UserManager) context.getSystemService(Context.USER_SERVICE);
+        return !um.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS);
+    }
+}
diff --git a/src/com/android/settings/applications/ManageDefaultApps.java b/src/com/android/settings/applications/ManageDefaultApps.java
index 326de229728..6f58612cc40 100644
--- a/src/com/android/settings/applications/ManageDefaultApps.java
+++ b/src/com/android/settings/applications/ManageDefaultApps.java
@@ -26,6 +26,7 @@ import android.os.UserHandle;
 import android.os.UserManager;
 import android.preference.Preference;
 import android.provider.SearchIndexableResource;
+import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
@@ -47,8 +48,9 @@ public class ManageDefaultApps extends SettingsPreferenceFragment
     private static final String TAG = ManageDefaultApps.class.getSimpleName();
 
     private static final String KEY_DEFAULT_BROWSER = "default_browser";
-    private static final String KEY_SMS_APPLICATION = "default_sms_app";
+    private static final String KEY_DEFAULT_DIALER = "default_dialer";
     private static final String KEY_DEFAULT_EMERGENCY_APP = "default_emergency_app";
+    private static final String KEY_SMS_APPLICATION = "default_sms_app";
 
     private DefaultBrowserPreference mDefaultBrowserPreference;
     private PackageManager mPm;
@@ -84,6 +86,10 @@ public class ManageDefaultApps extends SettingsPreferenceFragment
             removePreference(KEY_SMS_APPLICATION);
         }
 
+        if (!DefaultDialerPreference.isAvailable(getActivity())) {
+            removePreference(KEY_DEFAULT_DIALER);
+        }
+
         if (!DefaultEmergencyPreference.isAvailable(getActivity())) {
             removePreference(KEY_DEFAULT_EMERGENCY_APP);
         }