Send broadcast when default dialer changes

Add hidden TelecomManager.setDefaultDialer for system apps
to set the default dialer and trigger the broadcast

Bug: 21846308
Change-Id: Ifdd30cd1323ab0157edf7fd966173b6c52df6ba0

4 files changed, 39 insertions, 0 deletions

diff --git a/api/current.txt b/api/current.txt
index f180460..9fd486e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -30560,6 +30560,7 @@ package android.telecom {
     field public static final java.lang.String ACTION_CHANGE_DEFAULT_DIALER = "android.telecom.action.CHANGE_DEFAULT_DIALER";
     field public static final java.lang.String ACTION_CHANGE_PHONE_ACCOUNTS = "android.telecom.action.CHANGE_PHONE_ACCOUNTS";
     field public static final java.lang.String ACTION_CONNECTION_SERVICE_CONFIGURE = "android.telecom.action.CONNECTION_SERVICE_CONFIGURE";
+    field public static final java.lang.String ACTION_DEFAULT_DIALER_CHANGED = "android.telecom.action.DEFAULT_DIALER_CHANGED";
     field public static final java.lang.String ACTION_INCOMING_CALL = "android.telecom.action.INCOMING_CALL";
     field public static final java.lang.String ACTION_SHOW_CALL_ACCESSIBILITY_SETTINGS = "android.telecom.action.SHOW_CALL_ACCESSIBILITY_SETTINGS";
     field public static final java.lang.String ACTION_SHOW_CALL_SETTINGS = "android.telecom.action.SHOW_CALL_SETTINGS";
diff --git a/api/system-current.txt b/api/system-current.txt
index 025fbde..088920d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -32776,6 +32776,7 @@ package android.telecom {
     field public static final java.lang.String ACTION_CHANGE_DEFAULT_DIALER = "android.telecom.action.CHANGE_DEFAULT_DIALER";
     field public static final java.lang.String ACTION_CHANGE_PHONE_ACCOUNTS = "android.telecom.action.CHANGE_PHONE_ACCOUNTS";
     field public static final java.lang.String ACTION_CONNECTION_SERVICE_CONFIGURE = "android.telecom.action.CONNECTION_SERVICE_CONFIGURE";
+    field public static final java.lang.String ACTION_DEFAULT_DIALER_CHANGED = "android.telecom.action.DEFAULT_DIALER_CHANGED";
     field public static final java.lang.String ACTION_INCOMING_CALL = "android.telecom.action.INCOMING_CALL";
     field public static final java.lang.String ACTION_PHONE_ACCOUNT_REGISTERED = "android.telecom.action.PHONE_ACCOUNT_REGISTERED";
     field public static final java.lang.String ACTION_SHOW_CALL_ACCESSIBILITY_SETTINGS = "android.telecom.action.SHOW_CALL_ACCESSIBILITY_SETTINGS";
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index a434a13..65c064b 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -289,6 +289,8 @@
     <protected-broadcast android:name="android.location.GPS_FIX_CHANGE" />
     <protected-broadcast android:name="android.net.proxy.PAC_REFRESH" />
 
+    <protected-broadcast android:name="android.telecom.action.DEFAULT_DIALER_CHANGED" />
+
     <protected-broadcast
         android:name="com.android.server.connectivityservice.CONNECTED_TO_PROVISIONING_NETWORK_ACTION" />
 
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 368e137..0cd8c19 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -124,6 +124,16 @@ public class TelecomManager {
             "android.telecom.action.CHANGE_DEFAULT_DIALER";
 
     /**
+     * Broadcast intent action indicating that the current default dialer has changed.
+     * The string extra {@link #EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME} will contain the
+     * name of the package that the default dialer was changed to.
+     *
+     * @see #EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME
+     */
+    public static final String ACTION_DEFAULT_DIALER_CHANGED =
+            "android.telecom.action.DEFAULT_DIALER_CHANGED";
+
+    /**
      * Extra value used to provide the package name for {@link #ACTION_CHANGE_DEFAULT_DIALER}.
      */
     public static final String EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME =
@@ -774,6 +784,31 @@ public class TelecomManager {
     }
 
     /**
+     * Used to set the default dialer package.
+     *
+     * @param packageName to set the default dialer to..
+     *
+     * @result {@code true} if the default dialer was successfully changed, {@code false} if
+     *         the specified package does not correspond to an installed dialer, or is already
+     *         the default dialer.
+     *
+     * Requires permission: {@link android.Manifest.permission#MODIFY_PHONE_STATE}
+     * Requires permission: {@link android.Manifest.permission#WRITE_SECURE_SETTINGS}
+     *
+     * @hide
+     */
+    public boolean setDefaultDialer(String packageName) {
+        try {
+            if (isServiceConnected()) {
+                return getTelecomService().setDefaultDialer(packageName);
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException attempting to set the default dialer.", e);
+        }
+        return false;
+    }
+
+    /**
      * Used to determine the dialer package that is preloaded on the system partition.
      *
      * @return package name for the system dialer package or null if no system dialer is preloaded.