如何管理BluetoothDevice.ACTION_NAME_CHANGED上的BroadcastReceiver。我熟悉了BluetoothChat示例。{ if (BluetoothDevice.ACTION_FOUND.equals(action)) {
// Get the Bluetooth
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a nullat com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) BluetoothDevice