我创建了一个文件来读取Android Wear的传感器。我可以说它正在工作，因为我的存储空间正在填满，但我无法看到读数的文件夹。你能帮我找出代码有什么问题吗？
public class Logging extends Activity implements SensorEventListener {
DecimalFormat df =new DecimalFormat("##.##");
Boolean flag=true;
FileOutputStream outputStream;
TextView displayReading1;
TextView displayReading2;
TextView displayReading3;
TextView displayReading4;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final File Project=getDir("Project", Context.MODE_PRIVATE);
if(!Project.exists())
Project.mkdir();
File fileWithinProject=new File (Project+"/","Project.txt");
if(!fileWithinProject.exists())
try {
fileWithinProject.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
// final File file=new File (dirPath,"Project.txt");
/* File file = new File(dirPath, "Project.txt");
try {
if (!file.exists())
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}*/
setContentView(R.layout.activity_logging);
Button start=(Button)findViewById(R.id.StartButton);
Button stop=(Button)findViewById(R.id.StopButton);
//BUTTON START
start.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
flag=true;
Toast.makeText(getApplicationContext(),"Start Recording Readings",Toast.LENGTH_SHORT).show();
Toast.makeText(getApplicationContext(), ("File in: "+ Project), Toast.LENGTH_LONG).show();
}
}); {
}
//BUTTON STOP
stop.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
flag=false;
Toast.makeText(getApplicationContext(),"Done recording readings",Toast.LENGTH_SHORT).show();
}
});{
}
SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
Sensor accSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
Sensor rotSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR);
Sensor gravitySensor = sensorManager.getDefaultSensor(Sensor.TYPE_GRAVITY);
Sensor gyroSensor = sensorManager.getDefaultSensor((Sensor.TYPE_GYROSCOPE));
sensorManager.registerListener(this, accSensor, 100000000);
sensorManager.registerListener(this, rotSensor, 100000000);
sensorManager.registerListener(this, gravitySensor, 100000000);
sensorManager.registerListener(this, gyroSensor, 100000000);
displayReading1 = (TextView) findViewById(R.id.acc_sensor);
displayReading2 = (TextView) findViewById(R.id.rotational_sensor);
displayReading3 = (TextView) findViewById(R.id.gravity_sensor);
displayReading4 = (TextView) findViewById(R.id.gyro_sensor);
displayReading1.setTextSize(14f);
displayReading2.setTextSize(14f);
displayReading3.setTextSize(14f);
displayReading4.setTextSize(14f);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_logging, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onSensorChanged (SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER)
displayReading1.setText("Accelerometer (m/s2): " +"\nX"+" " +df.format(event.values[0]) + "\nY"+" " + df.format(event.values[1]) + "\nZ"+" " + df.format(event.values[2]));
float X11=event.values[0];
float X12=event.values[1];
float X13=event.values[2];
if( flag) {
try {
// Toast.makeText(getApplicationContext(), ("current location newFile.getAbsolutePath()), Toast.LENGTH_LONG).show();
outputStream = openFileOutput("Project.txt", Context.MODE_PRIVATE);
outputStream.write(((df.format(X11) + df.format(X12) + df.format(X13)
)).getBytes());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException f) {
System.out.println("Exception");
}
}
if (event.sensor.getType() == Sensor.TYPE_ROTATION_VECTOR)
displayReading2.setText("Rotational Vector: " + "\nX"+" " + df.format(event.values[0]) + "\nY"+" " + df.format(event.values[1]) + "\nZ"+" " + df.format(event.values[2]));
float X21=event.values[0];
float X22=event.values[1];
float X23=event.values[2];
if( flag) {
try {
outputStream=openFileOutput("Project.txt", Context.MODE_PRIVATE);
outputStream.write(("Rotational Vector : " +"\nX"+" " +df.format(X21) + "\nY"+" " + df.format(X22) + "\nZ"+" " + df.format(X23)).getBytes());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException f) {
System.out.println("Exception");
}}
if (event.sensor.getType() == Sensor.TYPE_GRAVITY)
displayReading3.setText("Gravity (m/s2): " + "\nX"+" " + df.format(event.values[0]) + "\nY"+" " + df.format(event.values[1]) + "\nZ"+" " + df.format(event.values[2]));
if (event.sensor.getType() == Sensor.TYPE_GYROSCOPE)
displayReading4.setText("Gyroscope (rad/s): " + "\nX"+" " + df.format(event.values[0]) + "\nY"+" " + df.format(event.values[1]) + "\nZ"+" " + df.format(event.values[2]));
float X31=event.values[0];
float X32=event.values[1];
float X33=event.values[2];
if( flag) {
try {
outputStream = openFileOutput("Project.txt", Context.MODE_PRIVATE);
outputStream.write(("Gyroscope (rad/s): " + "\nX" + " " + df.format(X31) + "\nY" + " " + df.format(X32) + "\nZ" + " " + df.format(X33)
).getBytes());
//Toast.makeText(getApplicationContext(), "Gyroscope (rad/s): " + "\nX" + " " + df.format(X31) + "\nY" + " " + df.format(X32) + "\nZ" + " " + df.format(X33), Toast.LENGTH_SHORT).show();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException f) {
System.out.println("Exception");
}
}
if (!flag){
try {
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
}