| /* |
| * Copyright (C) 2019 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.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.drawable.Drawable; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.provider.MediaStore; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.fuelgauge.BatteryMeterView; |
| import com.android.settingslib.bluetooth.BluetoothUtils; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnDestroy; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| import com.android.settingslib.utils.StringUtil; |
| import com.android.settingslib.utils.ThreadUtils; |
| import com.android.settingslib.widget.LayoutPreference; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * This class adds a header with device name and status (connected/disconnected, etc.). |
| */ |
| public class AdvancedBluetoothDetailsHeaderController extends BasePreferenceController implements |
| LifecycleObserver, OnStart, OnStop, OnDestroy, CachedBluetoothDevice.Callback { |
| private static final String TAG = "AdvancedBtHeaderCtrl"; |
| private static final int LOW_BATTERY_LEVEL = 15; |
| private static final int CASE_LOW_BATTERY_LEVEL = 19; |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| |
| private static final String PATH = "time_remaining"; |
| private static final String QUERY_PARAMETER_ADDRESS = "address"; |
| private static final String QUERY_PARAMETER_BATTERY_ID = "battery_id"; |
| private static final String QUERY_PARAMETER_BATTERY_LEVEL = "battery_level"; |
| private static final String QUERY_PARAMETER_TIMESTAMP = "timestamp"; |
| private static final String BATTERY_ESTIMATE = "battery_estimate"; |
| private static final String ESTIMATE_READY = "estimate_ready"; |
| private static final String DATABASE_ID = "id"; |
| private static final String DATABASE_BLUETOOTH = "Bluetooth"; |
| private static final long TIME_OF_HOUR = TimeUnit.SECONDS.toMillis(3600); |
| private static final long TIME_OF_MINUTE = TimeUnit.SECONDS.toMillis(60); |
| private static final int LEFT_DEVICE_ID = 1; |
| private static final int RIGHT_DEVICE_ID = 2; |
| private static final int CASE_DEVICE_ID = 3; |
| private static final int MAIN_DEVICE_ID = 4; |
| private static final float HALF_ALPHA = 0.5f; |
| |
| @VisibleForTesting |
| LayoutPreference mLayoutPreference; |
| @VisibleForTesting |
| final Map<String, Bitmap> mIconCache; |
| private CachedBluetoothDevice mCachedDevice; |
| @VisibleForTesting |
| BluetoothAdapter mBluetoothAdapter; |
| @VisibleForTesting |
| Handler mHandler = new Handler(Looper.getMainLooper()); |
| @VisibleForTesting |
| boolean mIsRegisterCallback = false; |
| @VisibleForTesting |
| final BluetoothAdapter.OnMetadataChangedListener mMetadataListener = |
| new BluetoothAdapter.OnMetadataChangedListener() { |
| @Override |
| public void onMetadataChanged(BluetoothDevice device, int key, byte[] value) { |
| Log.i(TAG, String.format("Metadata updated in Device %s: %d = %s.", device, key, |
| value == null ? null : new String(value))); |
| refresh(); |
| } |
| }; |
| |
| public AdvancedBluetoothDetailsHeaderController(Context context, String prefKey) { |
| super(context, prefKey); |
| mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mIconCache = new HashMap<>(); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (mCachedDevice == null) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| return Utils.isAdvancedDetailsHeader(mCachedDevice.getDevice()) |
| ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mLayoutPreference = screen.findPreference(getPreferenceKey()); |
| mLayoutPreference.setVisible(isAvailable()); |
| } |
| |
| @Override |
| public void onStart() { |
| if (!isAvailable()) { |
| return; |
| } |
| mIsRegisterCallback = true; |
| mCachedDevice.registerCallback(this); |
| mBluetoothAdapter.addOnMetadataChangedListener(mCachedDevice.getDevice(), |
| mContext.getMainExecutor(), mMetadataListener); |
| |
| refresh(); |
| } |
| |
| @Override |
| public void onStop() { |
| if (!mIsRegisterCallback) { |
| return; |
| } |
| mCachedDevice.unregisterCallback(this); |
| mBluetoothAdapter.removeOnMetadataChangedListener(mCachedDevice.getDevice(), |
| mMetadataListener); |
| mIsRegisterCallback = false; |
| } |
| |
| @Override |
| public void onDestroy() { |
| // Destroy icon bitmap associated with this header |
| for (Bitmap bitmap : mIconCache.values()) { |
| if (bitmap != null) { |
| bitmap.recycle(); |
| } |
| } |
| mIconCache.clear(); |
| } |
| |
| public void init(CachedBluetoothDevice cachedBluetoothDevice) { |
| mCachedDevice = cachedBluetoothDevice; |
| } |
| |
| @VisibleForTesting |
| void refresh() { |
| if (mLayoutPreference != null && mCachedDevice != null) { |
| final TextView title = mLayoutPreference.findViewById(R.id.entity_header_title); |
| title.setText(mCachedDevice.getName()); |
| final TextView summary = mLayoutPreference.findViewById(R.id.entity_header_summary); |
| summary.setText(mCachedDevice.getConnectionSummary(true /* shortSummary */)); |
| |
| if (!mCachedDevice.isConnected() || mCachedDevice.isBusy()) { |
| updateDisconnectLayout(); |
| return; |
| } |
| final BluetoothDevice device = mCachedDevice.getDevice(); |
| final String deviceType = BluetoothUtils.getStringMetaData(device, |
| BluetoothDevice.METADATA_DEVICE_TYPE); |
| if (TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_WATCH) |
| || TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_DEFAULT)) { |
| mLayoutPreference.findViewById(R.id.layout_left).setVisibility(View.GONE); |
| mLayoutPreference.findViewById(R.id.layout_right).setVisibility(View.GONE); |
| |
| updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle), |
| BluetoothDevice.METADATA_MAIN_ICON, |
| BluetoothDevice.METADATA_MAIN_BATTERY, |
| BluetoothDevice.METADATA_MAIN_LOW_BATTERY_THRESHOLD, |
| BluetoothDevice.METADATA_MAIN_CHARGING, |
| /* titleResId */ 0, |
| MAIN_DEVICE_ID); |
| } else if (TextUtils.equals(deviceType, |
| BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET) |
| || BluetoothUtils.getBooleanMetaData(device, |
| BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)) { |
| updateSubLayout(mLayoutPreference.findViewById(R.id.layout_left), |
| BluetoothDevice.METADATA_UNTETHERED_LEFT_ICON, |
| BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY, |
| BluetoothDevice.METADATA_UNTETHERED_LEFT_LOW_BATTERY_THRESHOLD, |
| BluetoothDevice.METADATA_UNTETHERED_LEFT_CHARGING, |
| R.string.bluetooth_left_name, |
| LEFT_DEVICE_ID); |
| |
| updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle), |
| BluetoothDevice.METADATA_UNTETHERED_CASE_ICON, |
| BluetoothDevice.METADATA_UNTETHERED_CASE_BATTERY, |
| BluetoothDevice.METADATA_UNTETHERED_CASE_LOW_BATTERY_THRESHOLD, |
| BluetoothDevice.METADATA_UNTETHERED_CASE_CHARGING, |
| R.string.bluetooth_middle_name, |
| CASE_DEVICE_ID); |
| |
| updateSubLayout(mLayoutPreference.findViewById(R.id.layout_right), |
| BluetoothDevice.METADATA_UNTETHERED_RIGHT_ICON, |
| BluetoothDevice.METADATA_UNTETHERED_RIGHT_BATTERY, |
| BluetoothDevice.METADATA_UNTETHERED_RIGHT_LOW_BATTERY_THRESHOLD, |
| BluetoothDevice.METADATA_UNTETHERED_RIGHT_CHARGING, |
| R.string.bluetooth_right_name, |
| RIGHT_DEVICE_ID); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| Drawable createBtBatteryIcon(Context context, int level, boolean charging) { |
| final BatteryMeterView.BatteryMeterDrawable drawable = |
| new BatteryMeterView.BatteryMeterDrawable(context, |
| context.getColor(R.color.meter_background_color), |
| context.getResources().getDimensionPixelSize( |
| R.dimen.advanced_bluetooth_battery_meter_width), |
| context.getResources().getDimensionPixelSize( |
| R.dimen.advanced_bluetooth_battery_meter_height)); |
| drawable.setBatteryLevel(level); |
| drawable.setColorFilter(new PorterDuffColorFilter( |
| com.android.settings.Utils.getColorAttrDefaultColor(context, |
| android.R.attr.colorControlNormal), |
| PorterDuff.Mode.SRC)); |
| drawable.setCharging(charging); |
| |
| return drawable; |
| } |
| |
| private void updateSubLayout(LinearLayout linearLayout, int iconMetaKey, int batteryMetaKey, |
| int lowBatteryMetaKey, int chargeMetaKey, int titleResId, int deviceId) { |
| if (linearLayout == null) { |
| return; |
| } |
| final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice(); |
| final String iconUri = BluetoothUtils.getStringMetaData(bluetoothDevice, iconMetaKey); |
| final ImageView imageView = linearLayout.findViewById(R.id.header_icon); |
| if (iconUri != null) { |
| updateIcon(imageView, iconUri); |
| } else { |
| final Pair<Drawable, String> pair = |
| BluetoothUtils.getBtRainbowDrawableWithDescription(mContext, mCachedDevice); |
| imageView.setImageDrawable(pair.first); |
| imageView.setContentDescription(pair.second); |
| } |
| final int batteryLevel = BluetoothUtils.getIntMetaData(bluetoothDevice, batteryMetaKey); |
| final boolean charging = BluetoothUtils.getBooleanMetaData(bluetoothDevice, chargeMetaKey); |
| if (DEBUG) { |
| Log.d(TAG, "updateSubLayout() icon : " + iconMetaKey + ", battery : " + batteryMetaKey |
| + ", charge : " + chargeMetaKey + ", batteryLevel : " + batteryLevel |
| + ", charging : " + charging + ", iconUri : " + iconUri); |
| } |
| if (deviceId == LEFT_DEVICE_ID || deviceId == RIGHT_DEVICE_ID) { |
| showBatteryPredictionIfNecessary(linearLayout, deviceId, batteryLevel); |
| } |
| final TextView batterySummaryView = linearLayout.findViewById(R.id.bt_battery_summary); |
| if (isUntetheredHeadset(bluetoothDevice)) { |
| if (batteryLevel != BluetoothUtils.META_INT_ERROR) { |
| linearLayout.setVisibility(View.VISIBLE); |
| batterySummaryView.setText( |
| com.android.settings.Utils.formatPercentage(batteryLevel)); |
| batterySummaryView.setVisibility(View.VISIBLE); |
| int lowBatteryLevel = BluetoothUtils.getIntMetaData(bluetoothDevice, |
| lowBatteryMetaKey); |
| if (lowBatteryLevel == BluetoothUtils.META_INT_ERROR) { |
| if (batteryMetaKey == BluetoothDevice.METADATA_UNTETHERED_CASE_BATTERY) { |
| lowBatteryLevel = CASE_LOW_BATTERY_LEVEL; |
| } else { |
| lowBatteryLevel = LOW_BATTERY_LEVEL; |
| } |
| } |
| showBatteryIcon(linearLayout, batteryLevel, lowBatteryLevel, charging); |
| } else { |
| if (deviceId == MAIN_DEVICE_ID) { |
| linearLayout.setVisibility(View.VISIBLE); |
| linearLayout.findViewById(R.id.bt_battery_icon).setVisibility(View.GONE); |
| int level = bluetoothDevice.getBatteryLevel(); |
| if (level != BluetoothDevice.BATTERY_LEVEL_UNKNOWN |
| && level != BluetoothDevice.BATTERY_LEVEL_BLUETOOTH_OFF) { |
| batterySummaryView.setText( |
| com.android.settings.Utils.formatPercentage(level)); |
| batterySummaryView.setVisibility(View.VISIBLE); |
| } else { |
| batterySummaryView.setVisibility(View.GONE); |
| } |
| } else { |
| // Hide it if it doesn't have battery information |
| linearLayout.setVisibility(View.GONE); |
| } |
| } |
| } else { |
| batterySummaryView.setVisibility(View.GONE); |
| } |
| final TextView textView = linearLayout.findViewById(R.id.header_title); |
| if (deviceId == MAIN_DEVICE_ID) { |
| textView.setVisibility(View.GONE); |
| } else { |
| textView.setText(titleResId); |
| textView.setVisibility(View.VISIBLE); |
| } |
| } |
| |
| private boolean isUntetheredHeadset(BluetoothDevice bluetoothDevice) { |
| return BluetoothUtils.getBooleanMetaData(bluetoothDevice, |
| BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET) |
| || TextUtils.equals(BluetoothUtils.getStringMetaData(bluetoothDevice, |
| BluetoothDevice.METADATA_DEVICE_TYPE), |
| BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET); |
| } |
| |
| private void showBatteryPredictionIfNecessary(LinearLayout linearLayout, int batteryId, |
| int batteryLevel) { |
| ThreadUtils.postOnBackgroundThread(() -> { |
| final Uri contentUri = new Uri.Builder() |
| .scheme(ContentResolver.SCHEME_CONTENT) |
| .authority(mContext.getString(R.string.config_battery_prediction_authority)) |
| .appendPath(PATH) |
| .appendPath(DATABASE_ID) |
| .appendPath(DATABASE_BLUETOOTH) |
| .appendQueryParameter(QUERY_PARAMETER_ADDRESS, mCachedDevice.getAddress()) |
| .appendQueryParameter(QUERY_PARAMETER_BATTERY_ID, String.valueOf(batteryId)) |
| .appendQueryParameter(QUERY_PARAMETER_BATTERY_LEVEL, |
| String.valueOf(batteryLevel)) |
| .appendQueryParameter(QUERY_PARAMETER_TIMESTAMP, |
| String.valueOf(System.currentTimeMillis())) |
| .build(); |
| |
| final String[] columns = new String[] {BATTERY_ESTIMATE, ESTIMATE_READY}; |
| final Cursor cursor = |
| mContext.getContentResolver().query(contentUri, columns, null, null, null); |
| if (cursor == null) { |
| Log.w(TAG, "showBatteryPredictionIfNecessary() cursor is null!"); |
| return; |
| } |
| try { |
| for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) { |
| final int estimateReady = |
| cursor.getInt(cursor.getColumnIndex(ESTIMATE_READY)); |
| final long batteryEstimate = |
| cursor.getLong(cursor.getColumnIndex(BATTERY_ESTIMATE)); |
| if (DEBUG) { |
| Log.d(TAG, "showBatteryTimeIfNecessary() batteryId : " + batteryId |
| + ", ESTIMATE_READY : " + estimateReady |
| + ", BATTERY_ESTIMATE : " + batteryEstimate); |
| } |
| showBatteryPredictionIfNecessary(estimateReady, batteryEstimate, |
| linearLayout); |
| } |
| } finally { |
| cursor.close(); |
| } |
| }); |
| } |
| |
| @VisibleForTesting |
| void showBatteryPredictionIfNecessary(int estimateReady, long batteryEstimate, |
| LinearLayout linearLayout) { |
| ThreadUtils.postOnMainThread(() -> { |
| final TextView textView = linearLayout.findViewById(R.id.bt_battery_prediction); |
| if (estimateReady == 1) { |
| textView.setVisibility(View.VISIBLE); |
| textView.setText( |
| StringUtil.formatElapsedTime( |
| mContext, |
| batteryEstimate, |
| /* withSeconds */ false, |
| /* collapseTimeUnit */ false)); |
| } else { |
| textView.setVisibility(View.GONE); |
| } |
| }); |
| } |
| |
| private void showBatteryIcon(LinearLayout linearLayout, int level, int lowBatteryLevel, |
| boolean charging) { |
| final boolean enableLowBattery = level <= lowBatteryLevel && !charging; |
| final ImageView imageView = linearLayout.findViewById(R.id.bt_battery_icon); |
| if (enableLowBattery) { |
| imageView.setImageDrawable(mContext.getDrawable(R.drawable.ic_battery_alert_24dp)); |
| LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( |
| mContext.getResources().getDimensionPixelSize( |
| R.dimen.advanced_bluetooth_battery_width), |
| mContext.getResources().getDimensionPixelSize( |
| R.dimen.advanced_bluetooth_battery_height)); |
| layoutParams.rightMargin = mContext.getResources().getDimensionPixelSize( |
| R.dimen.advanced_bluetooth_battery_right_margin); |
| imageView.setLayoutParams(layoutParams); |
| } else { |
| imageView.setImageDrawable(createBtBatteryIcon(mContext, level, charging)); |
| LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( |
| ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); |
| imageView.setLayoutParams(layoutParams); |
| } |
| imageView.setVisibility(View.VISIBLE); |
| } |
| |
| private void updateDisconnectLayout() { |
| mLayoutPreference.findViewById(R.id.layout_left).setVisibility(View.GONE); |
| mLayoutPreference.findViewById(R.id.layout_right).setVisibility(View.GONE); |
| |
| // Hide title, battery icon and battery summary |
| final LinearLayout linearLayout = mLayoutPreference.findViewById(R.id.layout_middle); |
| linearLayout.setVisibility(View.VISIBLE); |
| linearLayout.findViewById(R.id.header_title).setVisibility(View.GONE); |
| linearLayout.findViewById(R.id.bt_battery_summary).setVisibility(View.GONE); |
| linearLayout.findViewById(R.id.bt_battery_icon).setVisibility(View.GONE); |
| |
| // Only show bluetooth icon |
| final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice(); |
| final String iconUri = BluetoothUtils.getStringMetaData(bluetoothDevice, |
| BluetoothDevice.METADATA_MAIN_ICON); |
| if (DEBUG) { |
| Log.d(TAG, "updateDisconnectLayout() iconUri : " + iconUri); |
| } |
| if (iconUri != null) { |
| final ImageView imageView = linearLayout.findViewById(R.id.header_icon); |
| updateIcon(imageView, iconUri); |
| } |
| } |
| |
| /** |
| * Update icon by {@code iconUri}. If icon exists in cache, use it; otherwise extract it |
| * from uri in background thread and update it in main thread. |
| */ |
| @VisibleForTesting |
| void updateIcon(ImageView imageView, String iconUri) { |
| if (mIconCache.containsKey(iconUri)) { |
| imageView.setAlpha(1f); |
| imageView.setImageBitmap(mIconCache.get(iconUri)); |
| return; |
| } |
| |
| imageView.setAlpha(HALF_ALPHA); |
| ThreadUtils.postOnBackgroundThread(() -> { |
| final Uri uri = Uri.parse(iconUri); |
| try { |
| mContext.getContentResolver().takePersistableUriPermission(uri, |
| Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| |
| final Bitmap bitmap = MediaStore.Images.Media.getBitmap( |
| mContext.getContentResolver(), uri); |
| ThreadUtils.postOnMainThread(() -> { |
| mIconCache.put(iconUri, bitmap); |
| imageView.setAlpha(1f); |
| imageView.setImageBitmap(bitmap); |
| }); |
| } catch (IOException e) { |
| Log.e(TAG, "Failed to get bitmap for: " + iconUri, e); |
| } catch (SecurityException e) { |
| Log.e(TAG, "Failed to take persistable permission for: " + uri, e); |
| } |
| }); |
| } |
| |
| @Override |
| public void onDeviceAttributesChanged() { |
| if (mCachedDevice != null) { |
| refresh(); |
| } |
| } |
| } |
