可以通过在连接时添加一个超时监听器来解决此问题。当连接状态变为断开状态时,可以通过超时监听器来取消连接并重新尝试连接。
示例代码:
private BluetoothGatt mBluetoothGatt;
private BluetoothDevice mBluetoothDevice;
private boolean mIsConnected = false;
private boolean mIsConnecting = false;
// 连接蓝牙设备
private void connectToDevice() {
// 取消已有连接
if (mBluetoothGatt != null) {
mBluetoothGatt.disconnect();
mBluetoothGatt.close();
mBluetoothGatt = null;
}
mIsConnecting = true;
mBluetoothGatt = mBluetoothDevice.connectGatt(mContext, false, mGattCallback);
// 添加超时监听器
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if (mIsConnecting) {
mIsConnecting = false;
mBluetoothGatt.disconnect();
mBluetoothGatt.close();
mBluetoothGatt = null;
// 重新连接
connectToDevice();
}
}
}, 10000); // 超时时间为10秒
}
private BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
super.onConnectionStateChange(gatt, status, newState);
if (status == BluetoothGatt.GATT_SUCCESS) {
if (newState == BluetoothProfile.STATE_CONNECTED) {
mIsConnected = true;
mIsConnecting = false;
// 连接成功,可以进行discoverServices操作
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
mIsConnected = false;
// 连接断开,可以在此处重新连接
connectToDevice();
}
} else {
mIsConnected = false;
mIsConnecting = false;
mBluetoothGatt.disconnect();
mBluetoothGatt.close();
mBluetoothGatt = null;
// 连接失败,可以在此处重新连接
connectToDevice();
}
}
};