| /* |
| * Copyright (C) 2011 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 android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH; |
| |
| import android.app.settings.SettingsEnums; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothDevicePicker; |
| 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 androidx.annotation.VisibleForTesting; |
| |
| import com.android.settings.R; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| |
| import java.util.List; |
| |
| /** |
| * BluetoothSettings is the Settings screen for Bluetooth configuration and |
| * connection management. |
| */ |
| public final class DevicePickerFragment extends DeviceListPreferenceFragment { |
| private static final String KEY_BT_DEVICE_LIST = "bt_device_list"; |
| private static final String TAG = "DevicePickerFragment"; |
| |
| @VisibleForTesting |
| BluetoothProgressCategory mAvailableDevicesCategory; |
| |
| private boolean mNeedAuth; |
| private String mLaunchPackage; |
| private String mLaunchClass; |
| private boolean mScanAllowed; |
| |
| public DevicePickerFragment() { |
| super(null /* Not tied to any user restrictions. */); |
| } |
| |
| @Override |
| void initPreferencesFromPreferenceScreen() { |
| Intent intent = getActivity().getIntent(); |
| mNeedAuth = intent.getBooleanExtra(BluetoothDevicePicker.EXTRA_NEED_AUTH, false); |
| setFilter(intent.getIntExtra(BluetoothDevicePicker.EXTRA_FILTER_TYPE, |
| BluetoothDevicePicker.FILTER_TYPE_ALL)); |
| mLaunchPackage = intent.getStringExtra(BluetoothDevicePicker.EXTRA_LAUNCH_PACKAGE); |
| mLaunchClass = intent.getStringExtra(BluetoothDevicePicker.EXTRA_LAUNCH_CLASS); |
| mAvailableDevicesCategory = (BluetoothProgressCategory) findPreference(KEY_BT_DEVICE_LIST); |
| } |
| |
| @Override |
| public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { |
| super.onCreateOptionsMenu(menu, inflater); |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return SettingsEnums.BLUETOOTH_DEVICE_PICKER; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| getActivity().setTitle(getString(R.string.device_picker)); |
| UserManager um = (UserManager) getSystemService(Context.USER_SERVICE); |
| mScanAllowed = !um.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH); |
| setHasOptionsMenu(true); |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| addCachedDevices(); |
| mSelectedDevice = null; |
| if (mScanAllowed) { |
| enableScanning(); |
| mAvailableDevicesCategory.setProgress(mBluetoothAdapter.isDiscovering()); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| // Try disable scanning no matter what, no effect if enableScanning has not been called |
| disableScanning(); |
| super.onStop(); |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| /* Check if any device was selected, if no device selected |
| * send ACTION_DEVICE_SELECTED with a null device, otherwise |
| * don't do anything */ |
| if (mSelectedDevice == null) { |
| sendDevicePickedIntent(null); |
| } |
| } |
| |
| @Override |
| void onDevicePreferenceClick(BluetoothDevicePreference btPreference) { |
| disableScanning(); |
| LocalBluetoothPreferences.persistSelectedDeviceInPicker( |
| getActivity(), mSelectedDevice.getAddress()); |
| if ((btPreference.getCachedDevice().getBondState() == |
| BluetoothDevice.BOND_BONDED) || !mNeedAuth) { |
| sendDevicePickedIntent(mSelectedDevice); |
| finish(); |
| } else { |
| super.onDevicePreferenceClick(btPreference); |
| } |
| } |
| |
| @Override |
| public void onScanningStateChanged(boolean started) { |
| super.onScanningStateChanged(started); |
| started |= mScanEnabled; |
| mAvailableDevicesCategory.setProgress(started); |
| } |
| |
| public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice, |
| int bondState) { |
| BluetoothDevice device = cachedDevice.getDevice(); |
| if (!device.equals(mSelectedDevice)) { |
| return; |
| } |
| if (bondState == BluetoothDevice.BOND_BONDED) { |
| sendDevicePickedIntent(device); |
| finish(); |
| } else if (bondState == BluetoothDevice.BOND_NONE) { |
| enableScanning(); |
| } |
| } |
| |
| @Override |
| public void onBluetoothStateChanged(int bluetoothState) { |
| super.onBluetoothStateChanged(bluetoothState); |
| |
| if (bluetoothState == BluetoothAdapter.STATE_ON) { |
| enableScanning(); |
| } |
| } |
| |
| @Override |
| protected String getLogTag() { |
| return TAG; |
| } |
| |
| @Override |
| protected int getPreferenceScreenResId() { |
| return R.xml.device_picker; |
| } |
| |
| @Override |
| protected List<AbstractPreferenceController> createPreferenceControllers(Context context) { |
| return null; |
| } |
| |
| @Override |
| public String getDeviceListKey() { |
| return KEY_BT_DEVICE_LIST; |
| } |
| |
| private void sendDevicePickedIntent(BluetoothDevice device) { |
| Intent intent = new Intent(BluetoothDevicePicker.ACTION_DEVICE_SELECTED); |
| intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device); |
| if (mLaunchPackage != null && mLaunchClass != null) { |
| intent.setClassName(mLaunchPackage, mLaunchClass); |
| } |
| getActivity().sendBroadcast(intent); |
| } |
| } |