package com.example.yj.bluetoothapplication;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.util.UUID;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
private static final String TAG = "bluetooth2";
Button btnLed1, btnLed2, btnLed3, btnpado;
TextView txtArduino;
RelativeLayout rlayout;
Handler h;
final int RECIEVE_MESSAGE = 1; // Status for Handler
private BluetoothAdapter btAdapter = null;
private BluetoothSocket btSocket = null;
private StringBuilder sb = new StringBuilder();
private static int flag = 0;
private ConnectedThread mConnectedThread;
// SPP UUID service
private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
// MAC-address of Bluetooth module (you must edit this line)
private static String address = "98:D3:61:FD:59:9D";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnLed1 = (Button) findViewById(R.id.btnLed1);
btnLed2 = (Button) findViewById(R.id.btnLed2);
btnLed3 = (Button) findViewById(R.id.btnLed3);
btnpado = (Button) findViewById(R.id.btnPado);
txtArduino = (TextView) findViewById(R.id.txtArduino);
rlayout = (RelativeLayout) findViewById(R.id.layout);
h = new Handler() {
public void handleMessage(android.os.Message msg) {
switch (msg.what) {
case RECIEVE_MESSAGE:
byte[] readBuf = (byte[]) msg.obj;
String strIncom = new String(readBuf, 0, msg.arg1);
sb.append(strIncom);
int endOfLineIndex = sb.indexOf("\r\n");
if (endOfLineIndex > 0) {
String sbprint = sb.substring(0, endOfLineIndex);
sb.delete(0, sb.length());
txtArduino.setText("Data from Arduino: " + sbprint);
if(flag%4==3){
rlayout.setBackgroundColor(Color.rgb(255, 255, 255));
}
else if(flag%4==1){
rlayout.setBackgroundColor(Color.rgb(255, 0, 0));
}
else if(flag%4==2){
rlayout.setBackgroundColor(Color.rgb(0, 255, 0));
}
else if(flag%4==0){
rlayout.setBackgroundColor(Color.rgb(0, 0, 255));
}
flag++;
btnLed1.setEnabled(true);
btnLed2.setEnabled(true);
btnLed3.setEnabled(true);
btnpado.setEnabled(true);
}
break;
}
};
};
btAdapter = BluetoothAdapter.getDefaultAdapter(); // get Bluetooth adapter
checkBTState();
btnLed1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mConnectedThread.write("1");
Toast.makeText(getBaseContext(), "Turn on First LED", Toast.LENGTH_SHORT).show();
}
});
btnLed2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mConnectedThread.write("2");
//Toast.makeText(getBaseContext(), "Turn on Second LED", Toast.LENGTH_SHORT).show();
}
});
btnLed3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mConnectedThread.write("3");
//Toast.makeText(getBaseContext(), "Turn on Third LED", Toast.LENGTH_SHORT).show();
}
});
btnpado.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
mConnectedThread.write("0");
//Toast.makeText(getBaseContext(), "Turn on all LEDs", Toast.LENGTH_SHORT).show();
}
});
}
private BluetoothSocket createBluetoothSocket(BluetoothDevice device) throws IOException {
if(Build.VERSION.SDK_INT >= 10){
try {
final Method m = device.getClass().getMethod("createInsecureRfcommSocketToServiceRecord", new Class[] { UUID.class });
return (BluetoothSocket) m.invoke(device, MY_UUID);
} catch (Exception e) {
Log.e(TAG, "Could not create Insecure RFComm Connection",e);
}
}
return device.createRfcommSocketToServiceRecord(MY_UUID);
}
@Override
public void onResume() {
super.onResume();
Log.d(TAG, "...onResume - try connect...");
// Set up a pointer to the remote node using it's address.
BluetoothDevice device = btAdapter.getRemoteDevice(address);
// Two things are needed to make a connection:
// A MAC address, which we got above.
// A Service ID or UUID. In this case we are using the
// UUID for SPP.
try {
btSocket = createBluetoothSocket(device);
} catch (IOException e) {
errorExit("Fatal Error", "In onResume() and socket create failed: " + e.getMessage() + ".");
}
// Discovery is resource intensive. Make sure it isn't going on
// when you attempt to connect and pass your message.
btAdapter.cancelDiscovery();
// Establish the connection. This will block until it connects.
Log.d(TAG, "...Connecting...");
try {
btSocket.connect();
Log.d(TAG, "....Connection ok...");
} catch (IOException e) {
try {
btSocket.close();
} catch (IOException e2) {
errorExit("Fatal Error", "In onResume() and unable to close socket during connection failure" + e2.getMessage() + ".");
}
}
// Create a data stream so we can talk to server.
Log.d(TAG, "...Create Socket...");
mConnectedThread = new ConnectedThread(btSocket);
mConnectedThread.start();
}
@Override
public void onPause() {
super.onPause();
Log.d(TAG, "...In onPause()...");
try {
btSocket.close();
} catch (IOException e2) {
errorExit("Fatal Error", "In onPause() and failed to close socket." + e2.getMessage() + ".");
}
}
private void checkBTState() {
// Check for Bluetooth support and then check to make sure it is turned on
// Emulator doesn't support Bluetooth and will return null
if(btAdapter==null) {
errorExit("Fatal Error", "Bluetooth not support");
} else {
if (btAdapter.isEnabled()) {
Log.d(TAG, "...Bluetooth ON...");
} else {
//Prompt user to turn on Bluetooth
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, 1);
}
}
}
private void errorExit(String title, String message){
Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
finish();
}
private class ConnectedThread extends Thread {
private final InputStream mmInStream;
private final OutputStream mmOutStream;
public ConnectedThread(BluetoothSocket socket) {
InputStream tmpIn = null;
OutputStream tmpOut = null;
// Get the input and output streams, using temp objects because
// member streams are final
try {
tmpIn = socket.getInputStream();
tmpOut = socket.getOutputStream();
} catch (IOException e) { }
mmInStream = tmpIn;
mmOutStream = tmpOut;
}
public void run() {
byte[] buffer = new byte[256]; // buffer store for the stream
int bytes; // bytes returned from read()
// Keep listening to the InputStream until an exception occurs
while (true) {
try {
// Read from the InputStream
bytes = mmInStream.read(buffer); // Get number of bytes and message in "buffer"
h.obtainMessage(RECIEVE_MESSAGE, bytes, -1, buffer).sendToTarget(); // Send to message queue Handler
} catch (IOException e) {
break;
}
}
}
/* Call this from the main activity to send data to the remote device */
public void write(String message) {
Log.d(TAG, "...Data to send: " + message + "...");
byte[] msgBuffer = message.getBytes();
try {
mmOutStream.write(msgBuffer);
} catch (IOException e) {
Log.d(TAG, "...Error data send: " + e.getMessage() + "...");
}
}
}
D / BluetoothSocket: закрыть () это: android.bluetooth.BluetoothSocket@d1bd8ab, канал: 1, mSocketIS: android.net.LocalSocketImpl$SocketInputStream@218b08, mSocketOS: android.net.LocalSocketIllllllllmpSocketOutputStream @ 6d4d2a1mSocket: android.net.LocalSocket@a50ecc6 impl: android.net.LocalSocketImpl@3bd5487 fd: java.io.FileDescriptor@ec84fb4, mSocketState: ПОДКЛЮЧЕНО 0 / DOWNDWG_WG_WG_WD_WG_WG_WD_WG_WD_WG_WD_WG_WD() DecorView @ a62bffa [MainActivity] getNavigationBarColor () -855310 Д / InputTransport: Входной канал разрушен: FD = 76 Вт / libEGL: EGLNativeWindowType 0x7d358f2010 разрыв не удалось Д / OpenGLRenderer: eglDestroySurface = 0x7d1f6ac180, 0x7d358f2000 D / ViewRootImpl @ 3a2e96b [MainActivity]:Возвращенное реле: old = [0,0] [1080,2280] new = [0,0] [1080,2280] result = 0x5 поверхность = {valid = false 0} изменено = true D / ViewRootImpl @ 3a2e96b [MainActivity]:setWindowStopped (true) old = false D / ViewRootImpl @ 3a2e96b [MainActivity]: Поверхность повторносдавать в аренду.android.view.WindowManagerGlobal.setStoppedState: 669 android.app.Activity.performStop: 7647 android.app.ActivityThread.callActivityOnStop: 4378 android.app.ActivityThread.performStopActivityInner: 4356 android.app.ActivityThread.handsertop.StopActivityItem.execute: 41 android.app.servertransaction.TransactionExecutor.executeLifecycleState: 145 android.app.servertransaction.TransactionExecutor.execute: 70 D / BluetoothSocket: close () this: android.bluetooth.BluetoothSocket@f21e178, канал 1, канал 1:: android.net.LocalSocketImpl$SocketInputStream@eefc051, mSocketOS: android.net.LocalSocketImpl$SocketOutputStream@853c0b6mSocket: null, mSocketState: CLOSED Процесс 30538 завершен.