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/*
* 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 android.app.settings.SettingsEnums;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.DialogInterface;
import android.provider.DeviceConfig;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.VisibleForTesting;
import androidx.appcompat.app.AlertDialog;
import com.android.settings.R;
import com.android.settings.core.SettingsUIDeviceConfig;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.bluetooth.BluetoothUtils;
import com.android.settingslib.bluetooth.BluetoothUtils.ErrorListener;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import com.android.settingslib.bluetooth.LocalBluetoothManager.BluetoothManagerCallback;
/**
* Utils is a helper class that contains constants for various
* Android resource IDs, debug logging flags, and static methods
* for creating dialogs.
*/
public final class Utils {
private static final String TAG = "BluetoothUtils";
static final boolean V = BluetoothUtils.V; // verbose logging
static final boolean D = BluetoothUtils.D; // regular logging
private Utils() {
}
public static int getConnectionStateSummary(int connectionState) {
switch (connectionState) {
case BluetoothProfile.STATE_CONNECTED:
return R.string.bluetooth_connected;
case BluetoothProfile.STATE_CONNECTING:
return R.string.bluetooth_connecting;
case BluetoothProfile.STATE_DISCONNECTED:
return R.string.bluetooth_disconnected;
case BluetoothProfile.STATE_DISCONNECTING:
return R.string.bluetooth_disconnecting;
default:
return 0;
}
}
// Create (or recycle existing) and show disconnect dialog.
static AlertDialog showDisconnectDialog(Context context,
AlertDialog dialog,
DialogInterface.OnClickListener disconnectListener,
CharSequence title, CharSequence message) {
if (dialog == null) {
dialog = new AlertDialog.Builder(context)
.setPositiveButton(android.R.string.ok, disconnectListener)
.setNegativeButton(android.R.string.cancel, null)
.create();
} else {
if (dialog.isShowing()) {
dialog.dismiss();
}
// use disconnectListener for the correct profile(s)
CharSequence okText = context.getText(android.R.string.ok);
dialog.setButton(DialogInterface.BUTTON_POSITIVE,
okText, disconnectListener);
}
dialog.setTitle(title);
dialog.setMessage(message);
dialog.show();
return dialog;
}
@VisibleForTesting
static void showConnectingError(Context context, String name, LocalBluetoothManager manager) {
FeatureFactory.getFactory(context).getMetricsFeatureProvider().visible(context,
SettingsEnums.PAGE_UNKNOWN, SettingsEnums.ACTION_SETTINGS_BLUETOOTH_CONNECT_ERROR,
0);
showError(context, name, R.string.bluetooth_connecting_error_message, manager);
}
static void showError(Context context, String name, int messageResId) {
showError(context, name, messageResId, getLocalBtManager(context));
}
private static void showError(Context context, String name, int messageResId,
LocalBluetoothManager manager) {
String message = context.getString(messageResId, name);
Context activity = manager.getForegroundActivity();
if (manager.isForegroundActivity()) {
try {
new AlertDialog.Builder(activity)
.setTitle(R.string.bluetooth_error_title)
.setMessage(message)
.setPositiveButton(android.R.string.ok, null)
.show();
} catch (Exception e) {
Log.e(TAG, "Cannot show error dialog.", e);
}
} else {
Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
}
}
public static LocalBluetoothManager getLocalBtManager(Context context) {
return LocalBluetoothManager.getInstance(context, mOnInitCallback);
}
public static String createRemoteName(Context context, BluetoothDevice device) {
String mRemoteName = device != null ? device.getAlias() : null;
if (mRemoteName == null) {
mRemoteName = context.getString(R.string.unknown);
}
return mRemoteName;
}
private static final ErrorListener mErrorListener = new ErrorListener() {
@Override
public void onShowError(Context context, String name, int messageResId) {
showError(context, name, messageResId);
}
};
private static final BluetoothManagerCallback mOnInitCallback = new BluetoothManagerCallback() {
@Override
public void onBluetoothManagerInitialized(Context appContext,
LocalBluetoothManager bluetoothManager) {
BluetoothUtils.setErrorListener(mErrorListener);
}
};
public static boolean isBluetoothScanningEnabled(Context context) {
return Settings.Global.getInt(context.getContentResolver(),
Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1;
}
/**
* Check if the Bluetooth device supports advanced details header
*
* @param bluetoothDevice the BluetoothDevice to get metadata
* @return true if it supports advanced details header, false otherwise.
*/
public static boolean isAdvancedDetailsHeader(@NonNull BluetoothDevice bluetoothDevice) {
final boolean advancedEnabled = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SETTINGS_UI,
SettingsUIDeviceConfig.BT_ADVANCED_HEADER_ENABLED, true);
if (!advancedEnabled) {
Log.d(TAG, "isAdvancedDetailsHeader: advancedEnabled is false");
return false;
}
// The metadata is for Android R
final boolean untetheredHeadset = BluetoothUtils.getBooleanMetaData(bluetoothDevice,
BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET);
if (untetheredHeadset) {
Log.d(TAG, "isAdvancedDetailsHeader: untetheredHeadset is true");
return true;
}
// The metadata is for Android S
final String deviceType = BluetoothUtils.getStringMetaData(bluetoothDevice,
BluetoothDevice.METADATA_DEVICE_TYPE);
if (TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET)
|| TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_WATCH)
|| TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_DEFAULT)) {
Log.d(TAG, "isAdvancedDetailsHeader: deviceType is " + deviceType);
return true;
}
return false;
}
}
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