0
我寫了一個程序,其中我有兩個服務,一個是從加速度計收集數據,另一個是從陀螺儀收集數據。 我在兩個中都使用了wake_lock。 問題是,它只在我從android studio運行它時才起作用,然後當我第二次從手機運行它時它不工作,並且在鎖定手機時停止收集數據。 你能幫我解決問題嗎? THx中wakelock工作不正常
package emzet.acc2txt;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class MainActivity extends Activity {
private static final String LOG_TAG = "aktivita" ;
private Button btnStart, btnStop;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnStart = (Button) findViewById(R.id.btnStart);
btnStop = (Button) findViewById(R.id.btnStop);
btnStart.setEnabled(true);
btnStop.setEnabled(true);
Log.d(LOG_TAG, "ON CREATE");
}
public void onStartClick(View view) {
Intent serviceIntentAcc = new Intent(this, accService.class);
startService(serviceIntentAcc);
Intent serviceIntentGyro = new Intent(this, gyroService.class);
startService(serviceIntentGyro);
btnStop.setEnabled(true);
btnStart.setEnabled(false);
Log.d(LOG_TAG, "ON START CLICK");
}
public void onStopClick(View view) {
stopService(new Intent(this, accService.class));
stopService(new Intent(this, gyroService.class));
btnStart.setEnabled(true);
btnStop.setEnabled(false);
Log.d(LOG_TAG, "ON STOP CLICK");
}
}
服務爲加速度計:
package emzet.acc2txt;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Environment;
import android.os.IBinder;
import android.os.PowerManager;
import android.util.Log;
import android.widget.Toast;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.lang.Object;
/**
* Created by Miroslav on 2.11.2014.
* ALL Rights reserved to eMZet
*/
public class accService extends Service implements SensorEventListener{
private static final String LOG_TAG = "aktivita" ;
String root = Environment.getExternalStorageDirectory().toString();
protected static SensorManager sensorManager;
// protected static SensorManager sensorManager2;
protected static Sensor accelerometer;
// protected static Sensor gyroscope;
private FileWriter writer;
private PowerManager.WakeLock wakeLock;
@Override
public IBinder onBind(Intent intent) {
Log.d(LOG_TAG, "SERVICE - ON BIND");
return null;
}
@Override
public void onCreate(){
// accelerometer
sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
// gyroscope
// sensorManager2 = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
// gyroscope = sensorManager2.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
Toast.makeText(this, "Zapisujem . . . ", Toast.LENGTH_LONG).show();
// register accelerometer sensor
sensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_NORMAL);
// register gyroscope sensor
//sensorManager2.registerListener(this, gyroscope, SensorManager.SENSOR_DELAY_NORMAL);
Log.d(LOG_TAG, "SERVICE - ON CREATE");
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "funguj");
wakeLock.acquire();
}
@Override
public void onDestroy(){
super.onDestroy();
if(writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
sensorManager.unregisterListener(this);
Log.d(LOG_TAG, "SERVICE - ON DESTROY");
wakeLock.release();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Toast.makeText(this, "My Service Started", Toast.LENGTH_LONG).show();
try {
writer = new FileWriter(root + "/data_acc.txt",true);
} catch (IOException e) {
e.printStackTrace();
}
Log.d(LOG_TAG, "SERVICE - ON START COMMAND");
return START_STICKY;
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
public void onSensorChanged(SensorEvent event) {
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
SimpleDateFormat time = new SimpleDateFormat("HH:mm:ss:SSS");
String s = time.format(new java.util.Date());
try {
writer.write(s+"|"+x+"|"+y+"|"+z+"\n");
} catch (IOException e) {
e.printStackTrace();
}
}
}
服務的陀螺儀:
package emzet.acc2txt;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Environment;
import android.os.IBinder;
import android.os.PowerManager;
import android.util.Log;
import android.widget.Toast;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
/**
* Created by Miroslav on 2.11.2014.
* ALL Rights reserved to eMZet
*/
public class gyroService extends Service implements SensorEventListener{
private static final String LOG_TAG = "aktivita" ;
String root = Environment.getExternalStorageDirectory().toString();
protected static SensorManager sensorManager;
protected static Sensor gyroscope;
private FileWriter writer;
private PowerManager.WakeLock wakeLockGyro;
@Override
public IBinder onBind(Intent intent) {
Log.d(LOG_TAG, "SERVICE - ON BIND");
return null;
}
@Override
public void onCreate(){
sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
// gyroscope
gyroscope = sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
Toast.makeText(this, "Zapisujem . . . ", Toast.LENGTH_LONG).show();
// register gyroscope sensor
sensorManager.registerListener(this, gyroscope, SensorManager.SENSOR_DELAY_NORMAL);
Log.d(LOG_TAG, "SERVICE - ON CREATE");
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wakeLockGyro = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "funguj");
wakeLockGyro.acquire();
}
@Override
public void onDestroy(){
super.onDestroy();
if(writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
sensorManager.unregisterListener(this);
Log.d(LOG_TAG, "SERVICE - ON DESTROY");
wakeLockGyro.release();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Toast.makeText(this, "My Service Started", Toast.LENGTH_LONG).show();
try {
writer = new FileWriter(root + "/data_gyro.txt",true);
} catch (IOException e) {
e.printStackTrace();
}
Log.d(LOG_TAG, "SERVICE - ON START COMMAND");
return START_STICKY;
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
public void onSensorChanged(SensorEvent event) {
float x = event.values[0];
float y = event.values[1];
float z = event.values[2];
SimpleDateFormat time = new SimpleDateFormat("HH:mm:ss:SSS");
String s = time.format(new java.util.Date());
try {
writer.write(s+"|"+x+"|"+y+"|"+z+"\n");
} catch (IOException e) {
e.printStackTrace();
}
}
}
是的,我有.. 我在小米手機上使用MIUI rom可以是問題嗎? 我只是發現,當我重新啓動手機的第一次運行它很好。 – Mirko 2014-11-05 15:00:22
我已經添加了一些東西給我的答案@Mirko – Rikkert09 2014-11-05 15:02:00
謝謝,這工作... 你救了我:D thx;) 但你能告訴我爲什麼full_wake_lock不起作用?任何想法 ? – Mirko 2014-11-05 15:13:28