From 9c1e0653addc1fff03601289a9f9a57b1daeaf57 Mon Sep 17 00:00:00 2001
From: Christine Chen <christinech@google.com>
Date: Thu, 23 May 2013 15:40:19 -0700
Subject: Create backup agent for the Dialer app.

- Currently only the active tab is being backed up.
- More settings may be added later.

Change-Id: Id66565029be751beae8b58d4cc054f8d2d16ceea
---
 src/com/android/dialer/DialerBackupAgent.java | 38 +++++++++++++++++++++++++++
 src/com/android/dialer/DialtactsActivity.java | 11 +++++++-
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 src/com/android/dialer/DialerBackupAgent.java

(limited to 'src')

diff --git a/src/com/android/dialer/DialerBackupAgent.java b/src/com/android/dialer/DialerBackupAgent.java
new file mode 100644
index 000000000..0eef68924
--- /dev/null
+++ b/src/com/android/dialer/DialerBackupAgent.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2013 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.dialer;
+
+import android.app.backup.BackupAgentHelper;
+import android.app.backup.BackupDataInput;
+import android.app.backup.SharedPreferencesBackupHelper;
+import android.content.Context;
+
+/**
+ * The Dialer backup agent backs up the shared preferences settings of the
+ * Dialer App. Right now it backs up the whole shared preference file. This
+ * can be modified in the future to accommodate partical backup.
+ */
+public class DialerBackupAgent extends BackupAgentHelper
+{
+    private static final String SHARED_KEY = "shared_pref";
+
+    @Override
+    public void onCreate() {
+        addHelper(SHARED_KEY, new SharedPreferencesBackupHelper(this,
+               DialtactsActivity.SHARED_PREFS_NAME));
+    }
+}
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 32339d2cf..22e6ba01d 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -21,6 +21,7 @@ import android.app.ActionBar.LayoutParams;
 import android.app.ActionBar.Tab;
 import android.app.ActionBar.TabListener;
 import android.app.Activity;
+import android.app.backup.BackupManager;
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
@@ -108,6 +109,8 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
 
     private SharedPreferences mPrefs;
 
+    public static final String SHARED_PREFS_NAME = "com.android.dialer_preferences";
+
     /** Last manually selected tab index */
     private static final String PREF_LAST_MANUALLY_SELECTED_TAB =
             "DialtactsActivity_last_manually_selected_tab";
@@ -526,7 +529,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         getActionBar().setDisplayShowHomeEnabled(false);
 
         // Load the last manually loaded tab
-        mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        mPrefs = this.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE);
         mLastManuallySelectedFragment = mPrefs.getInt(PREF_LAST_MANUALLY_SELECTED_TAB,
                 PREF_LAST_MANUALLY_SELECTED_TAB_DEFAULT);
         if (mLastManuallySelectedFragment >= TAB_INDEX_COUNT) {
@@ -711,6 +714,12 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
 
         mPrefs.edit().putInt(PREF_LAST_MANUALLY_SELECTED_TAB, mLastManuallySelectedFragment)
                 .apply();
+        requestBackup();
+    }
+
+    private void requestBackup() {
+        final BackupManager bm = new BackupManager(this);
+        bm.dataChanged();
     }
 
     private void fixIntent(Intent intent) {
-- 
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