Material theme updates for Bluetooth Device picker.

Bug: 17303554
Change-Id: I6eba8654ffb95ff6a9e31c43f8e2ba93df79280d

res/layout/bluetooth_device_picker.xml

@@ -20,33 +20,9 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
-    <LinearLayout android:id="@+id/dialog_layout"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:paddingBottom="@dimen/bluetooth_dialog_padding"
-            style="@style/wifi_item" >
-
-            <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:text="@string/bluetooth_preference_paired_dialog_name_label"
-                    android:textDirection="locale"
-                    style="@style/wifi_item_label" />
-
-            <EditText android:id="@+id/name"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:inputType="textNoSuggestions"
-                    android:maxLength="@integer/bluetooth_name_length"
-                    android:singleLine="true"
-                    style="@style/wifi_item_edit_content" />
-
         <fragment android:id="@+id/bluetooth_fragment_settings"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             class="com.android.settings.bluetooth.DevicePickerFragment" />
 
-    </LinearLayout>
-
 </LinearLayout>

res/values/strings.xml

@@ -315,8 +315,8 @@
     <!-- Bluetooth settings screen, menu to show the list of received files [CHAR LIMIT=30] -->
     <string name="bluetooth_show_received_files">Show received files</string>
 
-    <!-- Strings for BluetoothDevicePicker -->
+    <!-- Strings for BluetoothDevicePicker [CHAR LIMIT=40]-->
-    <string name="device_picker">Bluetooth device chooser</string>
+    <string name="device_picker">Choose Bluetooth device</string>
 
     <!-- Strings for dialog title when asking to the user whether to allow an app to enable discovery mode -->
     <string name="bluetooth_permission_request">"Bluetooth permission request"</string>

res/xml/device_picker.xml

@@ -17,13 +17,8 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <Preference
-        android:key="bt_scan"
-        android:title="@string/bluetooth_preference_scan_title" />
-
     <com.android.settings.bluetooth.BluetoothProgressCategory
         android:key="bt_device_list"
-        android:title="@string/bluetooth_preference_found_devices"
         android:orderingFromXml="false" />
 
 </PreferenceScreen>

src/com/android/settings/bluetooth/DevicePickerFragment.java

@@ -17,7 +17,6 @@
 package com.android.settings.bluetooth;
 
 import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH;
-
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothDevicePicker;
@@ -25,6 +24,9 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserManager;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
 import com.android.settings.R;
 
@@ -33,6 +35,7 @@ import com.android.settings.R;
  * connection management.
  */
 public final class DevicePickerFragment extends DeviceListPreferenceFragment {
+    private static final int MENU_ID_REFRESH = Menu.FIRST;
 
     public DevicePickerFragment() {
         super(null /* Not tied to any user restrictions. */);
@@ -55,6 +58,29 @@ public final class DevicePickerFragment extends DeviceListPreferenceFragment {
         mLaunchClass = intent.getStringExtra(BluetoothDevicePicker.EXTRA_LAUNCH_CLASS);
     }
 
+    @Override
+    void initDevicePreference(BluetoothDevicePreference preference) {
+        preference.setWidgetLayoutResource(R.layout.preference_empty_list);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        menu.add(Menu.NONE, MENU_ID_REFRESH, 0, R.string.bluetooth_search_for_devices)
+                .setEnabled(true)
+                .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case MENU_ID_REFRESH:
+                mLocalAdapter.startScanning(true);
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -62,6 +88,7 @@ public final class DevicePickerFragment extends DeviceListPreferenceFragment {
         UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
         mStartScanOnResume = !um.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH)
                 && (savedInstanceState == null);  // don't start scan after rotation
+        setHasOptionsMenu(true);
     }
 
     @Override