Merge "Add setting to disable assist data (2/2)." into mnc-dev
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e6c9bce..feb10a7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1552,7 +1552,7 @@
     <!-- Label for the check box to show password -->
     <string name="wifi_show_password">Show password</string>
     <!-- Label for the RadioGroup to choose wifi ap band -->
-    <string name="wifi_ap_band_config">Config AP Band</string>
+    <string name="wifi_ap_band_config">Select AP Band</string>
     <!-- Label for the radio button to choose wifi ap 2.4 GHz band -->
     <string name="wifi_ap_choose_2G">2.4 GHz Band</string>
     <!-- Label for the radio button to choose wifi ap 5GHz band -->
@@ -4595,6 +4595,8 @@
     <string name="backup_erase_dialog_message">Stop backing up your Wi\u2011Fi passwords, bookmarks, other settings, and app data, plus erase all copies on Google servers?</string>
     <!-- Dialog title for confirmation to erase full backup data from server -->
     <string name="fullbackup_erase_dialog_message">Stop backing up device data (such as Wi-Fi passwords and call history) and app data (such as settings and files stored by apps), plus erase all copies on Google Drive?</string>
+    <!-- Summary for explanation of what full app data backup means. Manufacturers may wish to overlay this resource with their own text  -->
+    <string name="fullbackup_data_summary">Automatically back up device data (such as Wi-Fi passwords and call history) and app data (such as settings and files stored by apps) remotely.\n\nWhen you turn on automatic backup, device and app data is periodically saved remotely. App data can be any data that an app has saved (based on developer settings), including potentially sensitive data such as contacts, messages, and photos.</string>
     <!-- Device admin settings screen --><skip />
     <!-- Device admin settings activity title -->
     <string name="device_admin_settings_title">Device administration settings</string>
diff --git a/res/xml/privacy_settings.xml b/res/xml/privacy_settings.xml
index 4607254..f9b4fbe 100644
--- a/res/xml/privacy_settings.xml
+++ b/res/xml/privacy_settings.xml
@@ -19,11 +19,11 @@
     android:title="@string/privacy_settings_title">
 
     <!-- Backup settings -->
-    <SwitchPreference
+    <PreferenceScreen
         android:key="backup_data"
         android:title="@string/backup_data_title"
-        android:summary="@string/backup_data_summary"
-        android:persistent="false" />
+        android:persistent="false"
+        android:fragment="com.android.settings.backup.ToggleBackupSettingFragment"/>
 
     <PreferenceScreen
         android:key="configure_account"
diff --git a/src/com/android/settings/PrivacySettings.java b/src/com/android/settings/PrivacySettings.java
index 6eb22fb..7c911cb 100644
--- a/src/com/android/settings/PrivacySettings.java
+++ b/src/com/android/settings/PrivacySettings.java
@@ -16,12 +16,9 @@
 
 package com.android.settings;
 
-import android.app.AlertDialog;
-import android.app.Dialog;
 import android.app.backup.IBackupManager;
 import android.content.ContentResolver;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Process;
@@ -49,8 +46,7 @@
 /**
  * Gesture lock pattern settings.
  */
-public class PrivacySettings extends SettingsPreferenceFragment implements
-        DialogInterface.OnClickListener, Indexable {
+public class PrivacySettings extends SettingsPreferenceFragment implements Indexable {
 
     // Vendor specific
     private static final String GSETTINGS_PROVIDER = "com.google.settings";
@@ -61,15 +57,11 @@
     private static final String FACTORY_RESET = "factory_reset";
     private static final String TAG = "PrivacySettings";
     private IBackupManager mBackupManager;
-    private SwitchPreference mBackup;
+    private PreferenceScreen mBackup;
     private SwitchPreference mAutoRestore;
-    private Dialog mConfirmDialog;
     private PreferenceScreen mConfigure;
     private boolean mEnabled;
 
-    private static final int DIALOG_ERASE_BACKUP = 2;
-    private int mDialogType;
-
     @Override
     protected int getMetricsCategory() {
         return MetricsLogger.PRIVACY;
@@ -89,8 +81,7 @@
         mBackupManager = IBackupManager.Stub.asInterface(
                 ServiceManager.getService(Context.BACKUP_SERVICE));
 
-        mBackup = (SwitchPreference) screen.findPreference(BACKUP_DATA);
-        mBackup.setOnPreferenceChangeListener(preferenceChangeListener);
+        mBackup = (PreferenceScreen) screen.findPreference(BACKUP_DATA);
 
         mAutoRestore = (SwitchPreference) screen.findPreference(AUTO_RESTORE);
         mAutoRestore.setOnPreferenceChangeListener(preferenceChangeListener);
@@ -120,16 +111,6 @@
         }
     }
 
-    @Override
-    public void onStop() {
-        if (mConfirmDialog != null && mConfirmDialog.isShowing()) {
-            mConfirmDialog.dismiss();
-        }
-        mConfirmDialog = null;
-        mDialogType = 0;
-        super.onStop();
-    }
-
     private OnPreferenceChangeListener preferenceChangeListener = new OnPreferenceChangeListener() {
         @Override
         public boolean onPreferenceChange(Preference preference, Object newValue) {
@@ -138,16 +119,7 @@
             }
             boolean nextValue = (Boolean) newValue;
             boolean result = false;
-            if (preference == mBackup) {
-                if (nextValue == false) {
-                    // Don't change Switch status until user makes choice in dialog
-                    // so return false here.
-                    showEraseBackupDialog();
-                } else {
-                    setBackupEnabled(true);
-                    result = true;
-                }
-            } else if (preference == mAutoRestore) {
+            if (preference == mAutoRestore) {
                 try {
                     mBackupManager.setAutoRestore(nextValue);
                     result = true;
@@ -159,19 +131,9 @@
         }
     };
 
-    private void showEraseBackupDialog() {
-        mDialogType = DIALOG_ERASE_BACKUP;
-        CharSequence msg = getResources().getText(R.string.backup_erase_dialog_message);
-        // TODO: DialogFragment?
-        mConfirmDialog = new AlertDialog.Builder(getActivity()).setMessage(msg)
-                .setTitle(R.string.backup_erase_dialog_title)
-                .setPositiveButton(android.R.string.ok, this)
-                .setNegativeButton(android.R.string.cancel, this)
-                .show();
-    }
 
     /*
-     * Creates toggles for each available location provider
+     * Creates toggles for each backup/reset preference.
      */
     private void updateToggles() {
         ContentResolver res = getContentResolver();
@@ -184,11 +146,14 @@
             String transport = mBackupManager.getCurrentTransport();
             configIntent = mBackupManager.getConfigurationIntent(transport);
             configSummary = mBackupManager.getDestinationString(transport);
+
+            mBackup.setSummary(backupEnabled
+                    ? R.string.accessibility_feature_state_on
+                    : R.string.accessibility_feature_state_off);
         } catch (RemoteException e) {
             // leave it 'false' and disable the UI; there's no backup manager
             mBackup.setEnabled(false);
         }
-        mBackup.setChecked(backupEnabled);
 
         mAutoRestore.setChecked(Settings.Secure.getInt(res,
                 Settings.Secure.BACKUP_AUTO_RESTORE, 1) == 1);
@@ -208,54 +173,6 @@
         }
     }
 
-    private void updateConfigureSummary() {
-        try {
-            String transport = mBackupManager.getCurrentTransport();
-            String summary = mBackupManager.getDestinationString(transport);
-            setConfigureSummary(summary);
-        } catch (RemoteException e) {
-            // Not much we can do here
-        }
-    }
-
-    @Override
-    public void onClick(DialogInterface dialog, int which) {
-        // Dialog is triggered before Switch status change, that means marking the Switch to
-        // true in showEraseBackupDialog() method will be override by following status change.
-        // So we do manual switching here due to users' response.
-        if (mDialogType == DIALOG_ERASE_BACKUP) {
-            // Accept turning off backup
-            if (which == DialogInterface.BUTTON_POSITIVE) {
-                setBackupEnabled(false);
-            } else if (which == DialogInterface.BUTTON_NEGATIVE) {
-                // Reject turning off backup
-                setBackupEnabled(true);
-            }
-            updateConfigureSummary();
-        }
-        mDialogType = 0;
-    }
-
-    /**
-     * Informs the BackupManager of a change in backup state - if backup is disabled,
-     * the data on the server will be erased.
-     * @param enable whether to enable backup
-     */
-    private void setBackupEnabled(boolean enable) {
-        if (mBackupManager != null) {
-            try {
-                mBackupManager.setBackupEnabled(enable);
-            } catch (RemoteException e) {
-                mBackup.setChecked(!enable);
-                mAutoRestore.setEnabled(!enable);
-                return;
-            }
-        }
-        mBackup.setChecked(enable);
-        mAutoRestore.setEnabled(enable);
-        mConfigure.setEnabled(enable);
-    }
-
     @Override
     protected int getHelpResource() {
         return R.string.help_url_backup_reset;
diff --git a/src/com/android/settings/backup/ToggleBackupSettingFragment.java b/src/com/android/settings/backup/ToggleBackupSettingFragment.java
new file mode 100644
index 0000000..e30266f
--- /dev/null
+++ b/src/com/android/settings/backup/ToggleBackupSettingFragment.java
@@ -0,0 +1,174 @@
+package com.android.settings.backup;
+
+import android.app.AlertDialog;
+import android.app.backup.IBackupManager;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.preference.Preference;
+import android.preference.PreferenceScreen;
+import android.util.Log;
+import android.view.View;
+import android.widget.TextView;
+
+import com.android.internal.logging.MetricsLogger;
+import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.widget.SwitchBar;
+import com.android.settings.widget.ToggleSwitch;
+
+/**
+ * Fragment to display a bunch of text about backup and restore, and allow the user to enable/
+ * disable it.
+ */
+public class ToggleBackupSettingFragment extends SettingsPreferenceFragment
+        implements DialogInterface.OnClickListener {
+    private static final String TAG = "ToggleBackupSettingFragment";
+
+    private static final String BACKUP_TOGGLE = "toggle_backup";
+
+    private IBackupManager mBackupManager;
+
+    protected SwitchBar mSwitchBar;
+    protected ToggleSwitch mToggleSwitch;
+
+    private Preference mSummaryPreference;
+
+    private Dialog mConfirmDialog;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mBackupManager = IBackupManager.Stub.asInterface(
+                ServiceManager.getService(Context.BACKUP_SERVICE));
+
+        PreferenceScreen preferenceScreen = getPreferenceManager().createPreferenceScreen(
+                getActivity());
+        setPreferenceScreen(preferenceScreen);
+        mSummaryPreference = new Preference(getActivity()) {
+            @Override
+            protected void onBindView(View view) {
+                super.onBindView(view);
+                final TextView summaryView = (TextView) view.findViewById(android.R.id.summary);
+                summaryView.setText(getSummary());
+            }
+        };
+        mSummaryPreference.setPersistent(false);
+        mSummaryPreference.setLayoutResource(R.layout.text_description_preference);
+        preferenceScreen.addPreference(mSummaryPreference);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        SettingsActivity activity = (SettingsActivity) getActivity();
+        mSwitchBar = activity.getSwitchBar();
+        mToggleSwitch = mSwitchBar.getSwitch();
+
+        // Set up UI.
+        mSummaryPreference.setSummary(R.string.fullbackup_data_summary);
+        try {
+            boolean backupEnabled = mBackupManager == null ?
+                    false : mBackupManager.isBackupEnabled();
+            mSwitchBar.setCheckedInternal(backupEnabled);
+        } catch (RemoteException e) {
+            // The world is aflame, turn it off.
+            mSwitchBar.setEnabled(false);
+        }
+        getActivity().setTitle(R.string.backup_data_title);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+
+        mToggleSwitch.setOnBeforeCheckedChangeListener(null);
+        mSwitchBar.hide();
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        // Set up toggle listener. We need this b/c we have to intercept the toggle event in order
+        // to pop up the dialogue.
+        mToggleSwitch.setOnBeforeCheckedChangeListener(
+                new ToggleSwitch.OnBeforeCheckedChangeListener() {
+                    @Override
+                    public boolean onBeforeCheckedChanged(
+                            ToggleSwitch toggleSwitch, boolean checked) {
+                        if (!checked) {
+                            // Don't change Switch status until user makes choice in dialog
+                            // so return false here.
+                            showEraseBackupDialog();
+                            return false;
+                        } else {
+                            setBackupEnabled(true);
+                            mSwitchBar.setCheckedInternal(true);
+                            return true;
+                        }
+                    }
+                });
+        mSwitchBar.show();
+    }
+
+    /** Get rid of the dialog if it's still showing. */
+    @Override
+    public void onStop() {
+        if (mConfirmDialog != null && mConfirmDialog.isShowing()) {
+            mConfirmDialog.dismiss();
+        }
+        mConfirmDialog = null;
+        super.onStop();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        // Accept turning off backup
+        if (which == DialogInterface.BUTTON_POSITIVE) {
+            setBackupEnabled(false);
+            mSwitchBar.setCheckedInternal(false);
+        } else if (which == DialogInterface.BUTTON_NEGATIVE) {
+            // Reject turning off backup
+            setBackupEnabled(true);
+            mSwitchBar.setCheckedInternal(true);
+        }
+    }
+
+    private void showEraseBackupDialog() {
+        CharSequence msg = getResources().getText(R.string.fullbackup_erase_dialog_message);
+        // TODO: DialogFragment?
+        mConfirmDialog = new AlertDialog.Builder(getActivity()).setMessage(msg)
+                .setTitle(R.string.backup_erase_dialog_title)
+                .setPositiveButton(android.R.string.ok, this)
+                .setNegativeButton(android.R.string.cancel, this)
+                .show();
+    }
+
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.PRIVACY;
+    }
+
+    /**
+     * Informs the BackupManager of a change in backup state - if backup is disabled,
+     * the data on the server will be erased.
+     * @param enable whether to enable backup
+     */
+    private void setBackupEnabled(boolean enable) {
+        if (mBackupManager != null) {
+            try {
+                mBackupManager.setBackupEnabled(enable);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Error communicating with BackupManager", e);
+                return;
+            }
+        }
+    }
+}
diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
index d0dde32..2628c7f 100644
--- a/src/com/android/settings/location/LocationSettings.java
+++ b/src/com/android/settings/location/LocationSettings.java
@@ -33,7 +33,6 @@
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.widget.Switch;
-
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
@@ -45,7 +44,29 @@
 import java.util.List;
 
 /**
- * Location access settings.
+ * System location settings (Settings &gt; Location). The screen has three parts:
+ * <ul>
+ *     <li>Platform location controls</li>
+ *     <ul>
+ *         <li>In switch bar: location master switch. Used to toggle
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE} between
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE_OFF} and another location mode.
+ *         </li>
+ *         <li>Mode preference: only available if the master switch is on, selects between
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE} of
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE_HIGH_ACCURACY},
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE_BATTERY_SAVING}, or
+ *         {@link android.provider.Settings.Secure#LOCATION_MODE_SENSORS_ONLY}.</li>
+ *     </ul>
+ *     <li>Recent location requests: automatically populated by {@link RecentLocationApps}</li>
+ *     <li>Location services: multi-app settings provided from outside the Android framework. Each
+ *     is injected by a system-partition app via the {@link SettingInjectorService} API.</li>
+ * </ul>
+ * <p>
+ * Note that as of KitKat, the {@link SettingInjectorService} is the preferred method for OEMs to
+ * add their own settings to this page, rather than directly modifying the framework code. Among
+ * other things, this simplifies integration with future changes to the default (AOSP)
+ * implementation.
  */
 public class LocationSettings extends LocationSettingsBase
         implements SwitchBar.OnSwitchChangeListener {
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
index 72dca9e..81815ae 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
@@ -194,6 +194,19 @@
             public void onClick(DialogInterface dialog, int which) {
                 if (which == DialogInterface.BUTTON_POSITIVE) {
                     if (mWifiP2pManager != null) {
+                        String name = mDeviceNameText.getText().toString();
+                        if (name != null) {
+                            for (int i = 0; i < name.length(); i++) {
+                                char cur = name.charAt(i);
+                                if(!Character.isDigit(cur) && !Character.isLetter(cur)
+                                        && cur != '-' && cur != '_' && cur != ' ') {
+                                    Toast.makeText(getActivity(),
+                                            R.string.wifi_p2p_failed_rename_message,
+                                            Toast.LENGTH_LONG).show();
+                                    return;
+                                }
+                            }
+                        }
                         mWifiP2pManager.setDeviceName(mChannel,
                                 mDeviceNameText.getText().toString(),
                                 new WifiP2pManager.ActionListener() {