RK Android7.1 设置->蓝牙->已断开连接 Android6.0 直接弹窗

 

一. Android7.1 连手机蓝牙 显示 蓝牙已断开连接

1.1. /frameworks/base/packages/SettingsLib/res/values-zh-rCN/strings.xml

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1	<string name="bluetooth_disconnected" msgid="6557104142667339895">"已断开连接"</string>

1.2.蓝牙配对 K:\ZK-Rxxx_7.1_RK3399_Firmware\ZK_RXXX_RK3399_ANDROID7.1\packages\apps\Settings\src\com\android\settings\bluetooth\BluetoothSettings.java

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@Override public void setListening(boolean listening) {     BluetoothAdapter defaultAdapter = BluetoothAdapter.getDefaultAdapter();     if (defaultAdapter == null) return;     if (listening) {         mEnabled = defaultAdapter.isEnabled();         mConnected =                 defaultAdapter.getConnectionState() == BluetoothAdapter.STATE_CONNECTED;           Log.d("gatsby","state aaa -> "+ BluetoothAdapter.STATE_CONNECTED);         Log.d("gatsby","state bbb -> "+ defaultAdapter.getConnectionState());                                         mSummaryLoader.setSummary(this, getSummary());         mBluetoothManager.getEventManager().registerCallback(this);     } else {         mBluetoothManager.getEventManager().unregisterCallback(this);     } }   private CharSequence getSummary() {           Log.d("gatsby","!mEnabled -> "+ !mEnabled + " mConnected ->"+mConnected);       return mContext.getString(!mEnabled ? R.string.bluetooth_disabled             : mConnected ? R.string.bluetooth_connected             : R.string.bluetooth_disconnected); }

a. Log.d("gatsby","!mEnabled -> "+ !mEnabled + " mConnected ->"+mConnected);
mEnabled ? R.string.bluetooth_disabled: mConnected ? R.string.bluetooth_connected: R.string.bluetooth_disconnected
mEnabled ？"disabled" : mConnected ? "bluetooth_connected" : "bluetooth_disconnected";
打开蓝牙开关 未连接蓝牙 !mEnabled -> false mConnected ->false

b.mConnected = defaultAdapter.getConnectionState() == BluetoothAdapter.STATE_CONNECTED;

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1 2	defaultAdapter.getConnectionState() -> 0 BluetoothAdapter.STATE_CONNECTED -> 2

1.3.Android检查设备连接状态

K:\ZK-Rxxx_7.1_RK3399_Firmware\ZK_RXXX_RK3399_ANDROID7.1\frameworks\base\core\java\android\bluetooth\BluetoothAdapter.java　　

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/** The profile is in disconnected state */ public static final int STATE_DISCONNECTED  = 0;        /**  * Get the current connection state of the local Bluetooth adapter.  * This can be used to check whether the local Bluetooth adapter is connected  * to any profile of any other remote Bluetooth Device.  *  * <p> Use this function along with {@link #ACTION_CONNECTION_STATE_CHANGED}  * intent to get the connection state of the adapter.  *  * @return One of {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTED},  * {@link #STATE_CONNECTING} or {@link #STATE_DISCONNECTED}  *  * @hide  */ public int getConnectionState() {     if (getState() != STATE_ON) return BluetoothAdapter.STATE_DISCONNECTED;     try {         mServiceLock.readLock().lock();         if (mService != null) return mService.getAdapterConnectionState();     } catch (RemoteException e) {         Log.e(TAG, "getConnectionState:", e);     } finally {         mServiceLock.readLock().unlock();     }     return BluetoothAdapter.STATE_DISCONNECTED; }

调用BluetoothAdapter中的getConnectionState()方法，直接检查是否存在连接状态的蓝牙设备存在 不能检测出手机发出的蓝牙 可以检测出蓝牙耳机　　

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/** The profile is in disconnected state */ public static final int STATE_DISCONNECTED  = 0; /** The profile is in connecting state */ public static final int STATE_CONNECTING    = 1; /** The profile is in connected state */ public static final int STATE_CONNECTED     = 2; /** The profile is in disconnecting state */ public static final int STATE_DISCONNECTING = 3;

 二.Android6.0  蓝牙直接弹窗　　

2.1.packages\apps\Bluetooth\src\com\android\bluetooth\btservice\AdapterProperties.java

     void updateFeatureSupport(byte[] val) {　　

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--- a/packages/apps/Bluetooth/src/com/android/bluetooth/btservice/AdapterProperties.java +++ b/packages/apps/Bluetooth/src/com/android/bluetooth/btservice/AdapterProperties.java @@ -612,11 +612,11 @@ class AdapterProperties {                         adapterPropertyChangedCallback received before                         onBluetoothReady */                      if (mDiscoverableTimeout != 0) -                      setScanMode(AbstractionLayer.BT_SCAN_MODE_CONNECTABLE); +                      setScanMode(AbstractionLayer.BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);                      else /* if timeout == never (0) at startup */                        setScanMode(AbstractionLayer.BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);                      /* though not always required, this keeps NV up-to date on first-boot after flash */ -                    setDiscoverableTimeout(mDiscoverableTimeout); +                    setDiscoverableTimeout(0/*mDiscoverableTimeout*/);              }          }      }

2.2.packages\apps\Bluetooth\src\com\android\bluetooth\opp\BluetoothOppNotification.java

　　private void updateIncomingFileConfirmNotification() {

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--- a/packages/apps/Bluetooth/src/com/android/bluetooth/opp/BluetoothOppNotification.java +++ b/packages/apps/Bluetooth/src/com/android/bluetooth/opp/BluetoothOppNotification.java @@ -526,6 +526,15 @@ class BluetoothOppNotification {              n.deleteIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0);                 mNotificationMgr.notify(id, n); +           +           Uri uri = intent.getData(); +            Intent in = new Intent(mContext, BluetoothOppIncomingFileConfirmActivity.class); +            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); +            in.setDataAndNormalize(uri); +            mContext.startActivity(in); + +            NotificationManager notGatsby = (NotificationManager)mContext +                    .getSystemService(Context.NOTIFICATION_SERVICE);          }          cursor.close();      }