diff options
Diffstat (limited to 'SetupWizard/src')
| -rw-r--r-- | SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothActivity.java | 427 | ||||
| -rw-r--r-- | SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java | 277 |
2 files changed, 0 insertions, 704 deletions
diff --git a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothActivity.java b/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothActivity.java deleted file mode 100644 index 734e1ee..0000000 --- a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothActivity.java +++ /dev/null @@ -1,427 +0,0 @@ -/* - * Copyright (C) 2017 Google Inc. - * - * 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.car.setupwizard.bluetooth; - -import static com.android.setupwizardlib.util.ResultCodes.RESULT_SKIP; - -import android.app.Activity; -import android.bluetooth.BluetoothAdapter; -import android.bluetooth.BluetoothDevice; -import android.content.BroadcastReceiver; -import android.content.Context; -import android.content.Intent; -import android.content.IntentFilter; -import android.os.Bundle; -import android.os.Handler; -import android.util.Log; -import android.view.View; - -import com.android.car.setupwizard.R; -import com.android.car.setupwizard.bluetooth.BluetoothDeviceHierarchy.BluetoothItem; - -import com.android.setupwizardlib.GlifRecyclerLayout; -import com.android.setupwizardlib.items.IItem; -import com.android.setupwizardlib.items.Item; -import com.android.setupwizardlib.items.ItemGroup; -import com.android.setupwizardlib.items.RecyclerItemAdapter; -import com.android.setupwizardlib.util.ResultCodes; -import com.android.setupwizardlib.util.WizardManagerHelper; - -/** - * An Activity that presents the option for the user to pair the current device to a nearby - * bluetooth device. This screen will list the devices in the order that they are discovered - * as well as an option to not pair at all. - */ -public class BluetoothActivity extends Activity - implements RecyclerItemAdapter.OnItemSelectedListener { - private static final String TAG = "BluetoothActivity"; - - /** - * This value is copied from {@code com.google.android.setupwizard.BaseActivity}. Wizard - * Manager does not actually return an activity result, but if we invoke Wizard Manager without - * requesting a result, the framework will choose not to issue a call to onActivityResult with - * RESULT_CANCELED when navigating backward. - */ - private static final int REQUEST_CODE_NEXT = 10000; - - private static final int BLUETOOTH_SCAN_RETRY_DELAY = 1000; - private static final int MAX_BLUETOOTH_SCAN_RETRIES = 3; - - private final Handler mHandler = new Handler(); - private int mScanRetryCount; - - private BluetoothScanReceiver mScanReceiver; - private BluetoothAdapterReceiver mAdapterReceiver; - private BluetoothAdapter mAdapter; - private BluetoothDeviceHierarchy mBluetoothDeviceHierarchy; - - private GlifRecyclerLayout mLayout; - private Item mScanningIndicator; - private Item mRescanIndicator; - - /** - * The current {@link BluetoothDevice} that is being paired to. - */ - private BluetoothDevice mCurrentBondingDevice; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - - mAdapter = BluetoothAdapter.getDefaultAdapter(); - - if (mAdapter == null) { - Log.w(TAG, "No bluetooth adapter found on the device. Skipping to next action."); - nextAction(RESULT_SKIP); - return; - } - - setContentView(R.layout.bluetooth_activity); - - mLayout = (GlifRecyclerLayout) findViewById(R.id.setup_wizard_layout); - - RecyclerItemAdapter adapter = (RecyclerItemAdapter) mLayout.getAdapter(); - adapter.setOnItemSelectedListener(this); - - ItemGroup hierarchy = (ItemGroup) adapter.getRootItemHierarchy(); - mBluetoothDeviceHierarchy = - (BluetoothDeviceHierarchy) hierarchy.findItemById(R.id.bluetooth_device_list); - mScanningIndicator = (Item) hierarchy.findItemById(R.id.bluetooth_scanning); - mRescanIndicator = (Item) hierarchy.findItemById(R.id.bluetooth_rescan); - - Item descriptionItem = (Item) hierarchy.findItemById(R.id.bluetooth_description); - descriptionItem.setTitle(getText(R.string.bluetooth_description)); - - // Assume that a search will be started, so display the progress bar to let the user - // know that something is going on. - mLayout.setProgressBarShown(true); - - if (mAdapter.isEnabled()) { - setUpAndStartScan(); - } else { - mAdapterReceiver = new BluetoothAdapterReceiver(); - maybeRegisterAdapterReceiver(); - mAdapter.enable(); - } - } - - @Override - protected void onStart() { - super.onStart(); - - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "onStart()"); - } - - if (mAdapter == null) { - Log.w(TAG, "No bluetooth adapter found on the device. Skipping to next action."); - nextAction(RESULT_SKIP); - return; - } - - maybeRegisterAdapterReceiver(); - registerScanReceiver(); - } - - @Override - protected void onStop() { - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "onStop()"); - } - - stopScanning(); - - if (mScanReceiver != null) { - unregisterReceiver(mScanReceiver); - } - - if (mAdapterReceiver != null) { - unregisterReceiver(mAdapterReceiver); - } - - super.onStop(); - } - - /** - * Sets up an Intent filter to listen for bluetooth state changes and initiates a scan for - * nearby bluetooth devices. - */ - private void setUpAndStartScan() { - mBluetoothDeviceHierarchy.clearAllDevices(); - registerScanReceiver(); - startScanning(); - } - - /** - * Registers a receiver to be listen on changes to the {@link BluetoothAdapter}. This method - * will only register the receiver if {@link #mAdapterReceiver} is not {@code null}. - */ - private void maybeRegisterAdapterReceiver() { - if (mAdapterReceiver == null) { - return; - } - - IntentFilter filter = new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED); - registerReceiver(mAdapterReceiver, filter); - } - - /** - * Registers an Intent filter to listen for the results of a bluetooth discovery scan as well as - * changes to individual bluetooth devices. - */ - private void registerScanReceiver() { - if (mScanReceiver == null) { - mScanReceiver = new BluetoothScanReceiver(); - } - - IntentFilter intentFilter = new IntentFilter(); - intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED); - intentFilter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); - intentFilter.addAction(BluetoothDevice.ACTION_FOUND); - intentFilter.addAction(BluetoothDevice.ACTION_NAME_CHANGED); - intentFilter.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED); - registerReceiver(mScanReceiver, intentFilter); - } - - /** - * Start a scan for nearby bluetooth devices. If the call to - * {@link BluetoothAdapter#startDiscovery()} fails, then this method will retry the call after - * an exponential backoff period based on {@link #BLUETOOTH_SCAN_RETRY_DELAY}. - * - * <p>If there is already a bluetooth scan in progress when this function is called, then this - * function will do nothing. - */ - private void startScanning() { - if (mAdapter.isDiscovering()) { - return; - } - - boolean success = mAdapter.startDiscovery(); - - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "startDiscovery() success: " + success); - } - - // If a scan fails, attempt to try again up to MAX_BLUETOOTH_SCAN_RETRIES tries. - if (success) { - mScanRetryCount = 0; - } else if (mScanRetryCount >= MAX_BLUETOOTH_SCAN_RETRIES) { - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "Reached max retries to initiate a bluetooth scan. Moving onto next " - + "action"); - } - - nextAction(RESULT_SKIP); - } else { - mHandler.postDelayed(this::startScanning, - BLUETOOTH_SCAN_RETRY_DELAY * ++mScanRetryCount); - } - } - - /** - * Stops any scan in that is currently in progress for nearby bluetooth devices. - */ - private void stopScanning() { - if (mAdapter != null && mAdapter.isDiscovering()) { - mAdapter.cancelDiscovery(); - } - - mScanRetryCount = 0; - } - - @Override - public void onItemSelected(IItem item) { - if (item instanceof BluetoothItem) { - pairOrUnpairDevice((BluetoothItem) item); - return; - } - - if (!(item instanceof Item)) { - return; - } - - switch (((Item) item).getId()) { - case R.id.bluetooth_dont_connect: - nextAction(RESULT_SKIP); - break; - - case R.id.bluetooth_rescan: - stopScanning(); - startScanning(); - break; - - default: - Log.w(TAG, "Unknown item clicked: " + item); - } - } - - /** - * Starts a pairing or unpairing session with the given device based on its current bonded - * state. For example, if the current item is already paired, it is unpaired and vice versa. - */ - private void pairOrUnpairDevice(BluetoothItem item) { - // Pairing is unreliable while scanning, so cancel discovery. - stopScanning(); - - BluetoothDevice device = item.getBluetoothDevice(); - - boolean success; - switch (device.getBondState()) { - case BluetoothDevice.BOND_BONDED: - mCurrentBondingDevice = null; - success = device.removeBond(); - - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "removeBond() to device (" + device + ") successful: " + success); - } - - // Immediately update the UI so that the user has feedback on their actions. - item.updateConnectionState(this /* context */, - BluetoothItem.CONNECTION_STATE_DISCONNECTING); - break; - - case BluetoothDevice.BOND_BONDING: - mCurrentBondingDevice = null; - success = device.cancelBondProcess(); - - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "cancelBondProcess() to device (" + device + ") successful: " - + success); - } - - // Immediately update the UI so that the user has feedback on their actions. - item.updateConnectionState(this /* context */, - BluetoothItem.CONNECTION_STATE_CANCELLING); - break; - - case BluetoothDevice.BOND_NONE: - mCurrentBondingDevice = device; - success = device.createBond(); - - if (Log.isLoggable(TAG, Log.DEBUG)) { - Log.d(TAG, "createBond() to device (" + device + ") successful: " + success); - } - - // Immediately update the UI so that the user has feedback on their actions. - item.updateConnectionState(this /* context */, - BluetoothItem.CONNECTION_STATE_CONNECTING); - - default: - Log.w(TAG, "Encountered unknown bond state: " + device.getBondState()); - } - } - - private void nextAction(int resultCode) { - setResult(resultCode); - Intent nextIntent = WizardManagerHelper.getNextIntent(getIntent(), resultCode); - startActivityForResult(nextIntent, REQUEST_CODE_NEXT); - } - - /** - * A {@link BroadReceiver} that listens for when the bluetooth adapter has been turned on. - */ - private class BluetoothAdapterReceiver extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - String action = intent.getAction(); - - if (action != null && action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { - int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, - BluetoothAdapter.ERROR); - - if (state == BluetoothAdapter.STATE_ON) { - setUpAndStartScan(); - } - } - } - } - - /** - * Handles bluetooth scan responses and other indicators. - **/ - private class BluetoothScanReceiver extends BroadcastReceiver { - @Override - public void onReceive(Context context, Intent intent) { - String action = intent.getAction(); - - if (action == null) { - return; - } - - BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); - - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Received device: " + device); - } - - switch (action) { - case BluetoothDevice.ACTION_FOUND: - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Bluetooth device found"); - } - - mLayout.setProgressBarShown(false); - mScanningIndicator.setVisible(false); - mRescanIndicator.setVisible(true); - mBluetoothDeviceHierarchy.addOrUpdateDevice(context, device); - break; - - case BluetoothAdapter.ACTION_DISCOVERY_STARTED: - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Bluetooth discovery started"); - } - - mLayout.setProgressBarShown(true); - mScanningIndicator.setVisible(true); - mRescanIndicator.setVisible(false); - mBluetoothDeviceHierarchy.clearAllDevices(); - break; - - case BluetoothAdapter.ACTION_DISCOVERY_FINISHED: - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Bluetooth discovery finished"); - } - break; - - case BluetoothDevice.ACTION_BOND_STATE_CHANGED: - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Bluetooth bond state changed"); - } - - mBluetoothDeviceHierarchy.addOrUpdateDevice(context, device); - - // When a bluetooth device has been paired, then move onto the next action so - // the user is not stuck on this screen for too long. - if (device.equals(mCurrentBondingDevice) - && device.getBondState() == BluetoothDevice.BOND_BONDED) { - nextAction(RESULT_OK); - } - break; - - case BluetoothDevice.ACTION_NAME_CHANGED: - if (Log.isLoggable(TAG, Log.VERBOSE)) { - Log.v(TAG, "Bluetooth device name chaged"); - } - mBluetoothDeviceHierarchy.addOrUpdateDevice(context, device); - break; - - default: - Log.w(TAG, "Unknown action received: " + action); - } - } - } -} diff --git a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java b/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java deleted file mode 100644 index 02f76bf..0000000 --- a/SetupWizard/src/com/android/car/setupwizard/bluetooth/BluetoothDeviceHierarchy.java +++ /dev/null @@ -1,277 +0,0 @@ -/* - * Copyright (C) 2017 Google Inc. - * - * 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.car.setupwizard.bluetooth; - -import android.bluetooth.BluetoothClass.Device; -import android.bluetooth.BluetoothDevice; -import android.content.Context; -import android.content.res.ColorStateList; -import android.content.res.TypedArray; -import android.graphics.drawable.Drawable; -import android.support.annotation.DrawableRes; -import android.support.annotation.IntDef; -import android.support.annotation.Nullable; -import android.support.annotation.VisibleForTesting; -import android.text.TextUtils; -import android.util.AttributeSet; -import android.util.Log; -import android.view.View; - -import com.android.car.setupwizard.R; - -import com.android.setupwizardlib.items.AbstractItemHierarchy; -import com.android.setupwizardlib.items.IItem; -import com.android.setupwizardlib.items.Item; -import com.android.setupwizardlib.items.ItemHierarchy; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; - -/** - * An item hierarchy that represents a list of Bluetooth devices. - */ -public class BluetoothDeviceHierarchy extends AbstractItemHierarchy { - private static final String TAG = "BtDeviceHierarchy"; - - /** - * A set of all discovered bluetooth devices. The key of this map is the device's MAC address. - */ - private final HashMap<String, BluetoothItem> mItems = new HashMap<>(); - - /** - * A list of all discovered bluetooth devices' MAC addresses. This list is sorted in the order - * that the devices were discovered in. - */ - private final List<String> mAddresses = new ArrayList<>(); - - public BluetoothDeviceHierarchy(Context context, AttributeSet attrs) { - super(context, attrs); - } - - /** - * Clears the current list of all bluetooth devices. - */ - public void clearAllDevices() { - mItems.clear(); - mAddresses.clear(); - notifyChanged(); - } - - /** - * Adds the given {@link BluetoothDevice} to be displayed. If the device has already been - * added before, its information is updated based on the given {@code BluetoothDevice}. - */ - public void addOrUpdateDevice(Context context, @Nullable BluetoothDevice device) { - if (device == null) { - return; - } - - String address = device.getAddress(); - BluetoothItem item; - - if (mItems.containsKey(address)) { - item = mItems.get(address); - } else { - // First time encountering this address, so keep track of it. - mAddresses.add(address); - - int id = View.generateViewId(); - if (id >= 0x00ffffff) { - // View.generateViewId returns an incrementing number from 1 to 0x00ffffff. - // Since we are generating view IDs without recycling, it is theoretically possible - // for the ID space to run out if the user encounters enough bluetooth devices. - // Just log if this happens. - Log.e(TAG, "Ran out of IDs to use for bluetooth item IDs"); - } - item = new BluetoothItem(id); - } - - item.update(context, device); - mItems.put(address, item); - - notifyChanged(); - } - - @Override - public ItemHierarchy findItemById(int id) { - if (id == getId()) { - return this; - } - - // Child items have generated hash code IDs. Don't try to find those. - return null; - } - - @Override - public int getCount() { - return mItems.size(); - } - - @Override - public IItem getItemAt(int position) { - return mItems.get(mAddresses.get(position)); - } - - /** - * A {@link Item} that is linked to a particular {@link BluetoothDevice} and is responsible - * for binding this information to a View to be displayed. - */ - public static class BluetoothItem extends Item { - private BluetoothDevice mDevice; - - /** - * Whether or not the icon for this particular BluetoothDevice has been updated to reflect - * the type of Bluetooth device this is. - */ - private boolean mIconUpdated; - - public static final int CONNECTION_STATE_DISCONNECTING = 0; - public static final int CONNECTION_STATE_CONNECTING = 1; - public static final int CONNECTION_STATE_CANCELLING = 2; - - @IntDef({ - CONNECTION_STATE_DISCONNECTING, - CONNECTION_STATE_CONNECTING, - CONNECTION_STATE_CANCELLING }) - public @interface ConnectionState {} - - public BluetoothItem(int id) { - setId(id); - } - - /** - * Immediately updates the connection state of the device that is represented by this - * {@link BluetoothItem}. This state is not necessarily tied to the bonded state that - * will be returned by the {@link BluetoothDevice} associated with this item. - */ - public void updateConnectionState(Context context, @ConnectionState int state) { - if (mDevice == null) { - return; - } - - switch (state) { - case CONNECTION_STATE_DISCONNECTING: - setSummary(context.getString(R.string.bluetooth_device_disconnecting)); - break; - - case CONNECTION_STATE_CONNECTING: - setSummary(context.getString(R.string.bluetooth_device_connecting)); - break; - - case CONNECTION_STATE_CANCELLING: - setSummary(context.getString(R.string.bluetooth_device_cancelling)); - break; - - default: - // Do nothing. - } - } - - /** - * Associate a {@link BluetoothDevice} with this {@link BluetoothItem}. - */ - public void update(Context context, BluetoothDevice device) { - mIconUpdated = false; - mDevice = device; - - String name = mDevice.getName(); - setTitle(TextUtils.isEmpty(name) ? mDevice.getAddress() : name); - - switch (mDevice.getBondState()) { - case BluetoothDevice.BOND_BONDED: - setSummary(context.getString(R.string.bluetooth_device_connected)); - break; - - case BluetoothDevice.BOND_BONDING: - setSummary(context.getString(R.string.bluetooth_device_connecting)); - break; - - default: - setSummary(null); - } - } - - /** - * Returns the {@link BluetoothDevice} set via {@link #update(Context, BluetoothDevice)}. - */ - public BluetoothDevice getBluetoothDevice() { - return mDevice; - } - - @Override - public void onBindView(View view) { - if (mIconUpdated && getIcon() != null) { - super.onBindView(view); - return; - } - - Context context = view.getContext(); - TypedArray a = context.obtainStyledAttributes( - new int[] { R.attr.suwListItemIconColor }); - - try { - ColorStateList bluetoothIconColor = a.getColorStateList(0); - Drawable bluetoothIcon = getDeviceIcon(context).mutate(); - bluetoothIcon.setTintList(bluetoothIconColor); - setIcon(bluetoothIcon); - } finally { - a.recycle(); - } - - mIconUpdated = true; - - super.onBindView(view); - } - - /** - * Returns an appropriate {@link Drawable} to use as the icon for the bluetooth device - * associated with this {@link BluetoothItem}. - */ - private Drawable getDeviceIcon(Context context) { - if (mDevice == null) { - return context.getDrawable(R.drawable.ic_bluetooth_item); - } - - @DrawableRes int deviceIcon; - switch (mDevice.getBluetoothClass().getDeviceClass()) { - case Device.AUDIO_VIDEO_HEADPHONES: - case Device.AUDIO_VIDEO_WEARABLE_HEADSET: - deviceIcon = R.drawable.ic_headset; - break; - - case Device.COMPUTER_DESKTOP: - case Device.COMPUTER_LAPTOP: - deviceIcon = R.drawable.ic_computer; - break; - - case Device.PHONE_SMART: - deviceIcon = R.drawable.ic_smartphone; - break; - - case Device.WEARABLE_WRIST_WATCH: - deviceIcon = R.drawable.ic_watch; - break; - - default: - deviceIcon = R.drawable.ic_bluetooth_item; - } - - return context.getDrawable(deviceIcon); - } - } -} |