Move "Received files" in BluetoothSettings

Move it from menu to preference

Also clean up the code about menu since there is no menu anymore
in BluetoothSettings

Bug: 35876447
Test: RunSettingsRoboTests
Change-Id: I4a3821595a0cc75382f1cf74bcafb3ecc44cc178

tests/robotests/src/com/android/settings/bluetooth/BluetoothFilesPreferenceControllerTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2017 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.bluetooth;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.preference.Preference;
+import android.text.TextUtils;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowApplication;
+
+import java.util.List;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BluetoothFilesPreferenceControllerTest {
+    private Context mContext;
+    private BluetoothFilesPreferenceController mController;
+    private Preference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mController = new BluetoothFilesPreferenceController(mContext);
+        mPreference = new Preference(mContext);
+        mPreference.setKey(BluetoothFilesPreferenceController.KEY_RECEIVED_FILES);
+    }
+
+    @Test
+    public void testHandlePreferenceTreeClick_sendBroadcast() {
+        mController.handlePreferenceTreeClick(mPreference);
+
+        final Intent intent = ShadowApplication.getInstance().getNextStartedActivity();
+        assertThat(intent).isNotNull();
+        assertThat(intent.getAction()).isEqualTo(
+                BluetoothFilesPreferenceController.ACTION_OPEN_FILES);
+
+        final Bundle bundle = intent.getExtras();
+        assertThat(bundle.getInt(BluetoothFilesPreferenceController.EXTRA_DIRECTION)).isEqualTo(1);
+        assertThat(bundle.getBoolean(
+                BluetoothFilesPreferenceController.EXTRA_SHOW_ALL_FILES)).isTrue();
+    }
+}