11-25 16:29:48.433 14507-14561/myapplication.com.myblue W/MALI: glDrawArrays:714: [MALI] glDrawArrays takes more than 5ms here. Total elapse time(us): 10221
11-25 16:29:58.204 14507-14507/myapplication.com.myblue W/BluetoothAdapter: getBluetoothService() called with no BluetoothManagerCallback
[ 11-25 16:29:58.206 17183:17202 I/ ]
[JSR82][JBT] JBT jbt_session_connect_req
[ 11-25 16:29:58.206 17183:17202 I/ ]
[session] session_mutex_lock() +++, mutex: 0xeec301a8
[ 11-25 16:29:58.206 17183:17202 I/ ]
[session] session_mutex_lock() ---
11-25 16:30:01.486 14507-14507/myapplication.com.myblue I/System.out: **android.bluetooth.BluetoothInputStream@3c5c4bb1
11-25 16:30:40.726 14507-14528/myapplication.com.myblue I/ViewRootImpl: ANR Key Analyze: No Key event currently.
11-25 16:30:40.726 14507-14528/myapplication.com.myblue I/ViewRootImpl: ANR Key Analyze: Previeous Event null,finish at 1970-01-01 08:00:00.000
11-25 16:30:40.726 14507-14528/myapplication.com.myblue I/ViewRootImpl: ANR Motion Analyze: No motion event currently.
11-25 16:30:40.727 14507-14528/myapplication.com.myblue I/ViewRootImpl: ANR Motion Analyze: Previeous Event MotionEvent { action=ACTION_UP, id[0]=0, x[0]=1030.0463, y[0]=161.91566, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=2030905, downTime=2030754, deviceId=3, source=0x1002 },finish at 2016-11-25 16:29:58.200
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/Binder: Caught a RuntimeException from the binder stub implementation.
java.lang.NullPointerException: Attempt to invoke interface method 'android.os.IBinder com.mediatek.anrappmanager.IFrameworks.serviceManagerGetService(java.lang.String)' on a null object reference
at com.mediatek.anrappmanager.ANRManagerNative$1.b(SourceFile:77)
at com.mediatek.anrappmanager.ANRManagerNative$1.c(SourceFile:75)
at com.mediatek.anrappmanager.ANRManagerNative$a.get(SourceFile:97)
at com.mediatek.anrappmanager.ANRManagerNative.getDefault(SourceFile:35)
at com.mediatek.anrappmanager.ANRAppManager.dumpMessageHistory(SourceFile:59)
at android.app.ActivityThread$ApplicationThread.dumpMessageHistory(ActivityThread.java:1315)
at android.app.ApplicationThreadNative.onTransact(ApplicationThreadNative.java:687)
at android.os.Binder.execTransact(Binder.java:454)
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: java.lang.NullPointerException: Attempt to invoke interface method 'android.os.IBinder com.mediatek.anrappmanager.IFrameworks.serviceManagerGetService(java.lang.String)' on a null object reference
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: at com.mediatek.anrappmanager.ANRManagerNative$1.b(SourceFile:77)
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: at com.mediatek.anrappmanager.ANRManagerNative$1.c(SourceFile:75)
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: at com.mediatek.anrappmanager.ANRManagerNative$a.get(SourceFile:97)
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: at com.mediatek.anrappmanager.ANRManagerNative.getDefault(SourceFile:35)
11-25 16:30:40.884 14507-14580/myapplication.com.myblue W/System.err: at com.mediatek.anrappmanager.ANRAppManager.dumpMessageHistory(SourceFile:59)
11-25 16:30:40.885 14507-14580/myapplication.com.myblue W/System.err: at android.app.ActivityThread$ApplicationThread.dumpMessageHistory(ActivityThread.java:1315)
11-25 16:30:40.885 14507-14580/myapplication.com.myblue W/System.err: at android.app.ApplicationThreadNative.onTransact(ApplicationThreadNative.java:687)
11-25 16:30:40.885 14507-14580/myapplication.com.myblue W/System.err: at android.os.Binder.execTransact(Binder.java:454)
11-25 16:30:43.719 17826-17826/myapplication.com.myblue I/ActivityThread: Switching default density from 480 to 380
11-25 16:30:43.745 17826-17826/myapplication.com.myblue W/linker: /system/lib64/libfilterUtils.so: unused DT entry: type 0x6ffffffe arg 0x808
11-25 16:30:43.745 17826-17826/myapplication.com.myblue W/linker: /system/lib64/libfilterUtils.so: unused DT entry: type 0x6fffffff arg 0x2
11-25 16:30:44.159 17826-17859/myapplication.com.myblue E/GED: Failed to get GED Log Buf, err(0)
11-25 16:30:44.159 17826-17859/myapplication.com.myblue I/OpenGLRenderer: Initialized EGL, version 1.4
11-25 16:30:44.227 17826-17859/myapplication.com.myblue W/MALI: glDrawArrays:714: [MALI] glDrawArrays takes more than 5ms here. Total elapse time(us): 13735
2.代码：
package myapplication.com.myblue.activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket; import android.content.Intent; import android.os.Handler; import android.os.Message; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Timer; import java.util.TimerTask; import java.util.UUID; import myapplication.com.myblue.R; public class Zhuye_Activity extends AppCompatActivity { TextView textView1,textView_time,textView_lianjie; ImageView imageView1; EditText edittext; Button button_send; private BluetoothSocket btSocket = null; private OutputStream outStream = null; private InputStream inStream = null; private BluetoothAdapter BA; private String address = ""; private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_zhuye); Intent intent=getIntent(); String mac=intent.getStringExtra("mac"); String []a=mac.split("\*"); address=a[1].trim(); initView(); textView1.setText(mac); } public void initView(){ BA = BluetoothAdapter.getDefaultAdapter(); BA.enable(); button_send= (Button) findViewById(R.id.button_send); edittext= (EditText) findViewById(R.id.edittext); textView1= (TextView) findViewById(R.id.textview1); textView_time= (TextView) findViewById(R.id.textView_time); SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); String date = sDateFormat.format(new java.util.Date()); textView_time.setText(date); imageView1= (ImageView) findViewById(R.id.imageView1); textView_lianjie= (TextView) findViewById(R.id.textView_lianjie); textView_lianjie.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { connect(); } }); imageView1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finish(); } }); button_send.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String s=edittext.getText().toString().trim(); byte[] a=s.getBytes(); try { outStream.write(a); } catch (IOException e) { e.printStackTrace(); } } }); /** * 创建定时器，1000ms更新一次时间 * **/ // Timer timer = new Timer(); // timer.schedule(timerTask, 0, 10000); } /** * 连接蓝牙设备 * * ***/ public void connect(){ BluetoothDevice device = BA.getRemoteDevice(address); try { btSocket = device.createRfcommSocketToServiceRecord(MY_UUID); } catch (IOException e) { System.out.println("**109"+e.toString()); } // BA.cancelDiscovery(); try { btSocket.connect(); outStream = btSocket.getOutputStream(); outStream.write(0x61); outStream.write(0x41); inStream = btSocket.getInputStream(); System.out.println("**"+inStream.toString()); System.out.println("**"+inStream.read()); int x = inStream.read(); outStream.write(x + 1); } catch (IOException e) { System.out.println("**124"+e.toString()); } try { btSocket.close(); } catch (Exception e2) { // Log .e(TAG,"ON RESUME: Unable to close socket during connection failure", e2); } } // public void connect(){ // BA = BluetoothAdapter.getDefaultAdapter(); // BluetoothDevice device = BA.getRemoteDevice(address); // // pairedDevices = BA.getBondedDevices(); // try { // // btSocket = device.createRfcommSocketToServiceRecord(MY_UUID); // // } catch (IOException e) { // // Log.d("T109",e.toString()); // } // // BA.cancelDiscovery(); // try { // // // new Thread(new Runnable() { // // @Override // // public void run() { // // try { // btSocket.connect(); // outStream = btSocket.getOutputStream(); // inStream = btSocket.getInputStream(); // // } catch (IOException e) { // // e.printStackTrace(); // // } // // } // // }).start(); // //// outStream = btSocket.getOutputStream(); //// String s="guoxiwang"; //// byte by[]=s.getBytes(); //// outStream.write(12345566); //// outStream.write(by); //// //// outStream.write(0x61); //// outStream.write(0x41); //// inStream = btSocket.getInputStream(); //// System.out.println("**"+inStream.toString()); //// System.out.println("**"+inStream.read()); //// int x = inStream.read(); //// outStream.write(x + 1); // // } catch (Exception e) { // } // try { // btSocket.close(); // } catch (IOException e2) { // // // Log .e(TAG,"ON RESUME: Unable to close socket during connection failure", e2); // } // } /*** * handler+TimerTask 实现更新时间 * * ***/ Handler handler=new Handler(){ public void handleMessage(android.os.Message msg) { switch (msg.what) { case 200: SimpleDateFormat sDateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); String date = sDateFormat.format(new java.util.Date()); textView_time.setText(date); break; } } }; TimerTask timerTask = new TimerTask() { @Override public void run() { Message message = new Message(); message.what = 200; // message.obj = view; handler.sendMessage(message); } }; }