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我一直在使用這種代碼Android: I want to shake it來實現震動運動檢測器。但實際上,當我在智能手機上運行它時,它什麼都不做。我嘗試使用斷點檢查,並且它從不輸入if(mAccel> 12)。 我試圖動搖它真的很難,但仍然不承認。我認爲,這需要一定的權限,我加入這一行的體現:Acelerometer:搖晃手機檢測
<uses-feature android:name="android.hardware.sensor.accelerometer" android:required="true" />
我試着在銀河S3和萬普拉斯之一,我忘了什麼東西?
EspecificExerciseActivity.java
public class EspecificoExercicio extends Activity {
private ArrayList<Exercicio> listaExercicios;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_especifico_exercicio);
/* do this in onCreate */
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
mSensorManager.registerListener(mSensorListener, mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
mAccel = 0.00f;
mAccelCurrent = SensorManager.GRAVITY_EARTH;
mAccelLast = SensorManager.GRAVITY_EARTH;
if (mAccel > 12) {
Toast toast1 = Toast.makeText(getApplicationContext(), "Device has shaken.", Toast.LENGTH_LONG);
toast1.show();
}
}
/* put this into your activity class */
private SensorManager mSensorManager;
private float mAccel; // acceleration apart from gravity
private float mAccelCurrent; // current acceleration including gravity
private float mAccelLast; // last acceleration including gravity
private final SensorEventListener mSensorListener = new SensorEventListener() {
public void onSensorChanged(SensorEvent se) {
float x = se.values[0];
float y = se.values[1];
float z = se.values[2];
mAccelLast = mAccelCurrent;
mAccelCurrent = (float) Math.sqrt((double) (x*x + y*y + z*z));
float delta = mAccelCurrent - mAccelLast;
mAccel = mAccel * 0.9f + delta; // perform low-cut filter
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
if (mAccel > 4) {
Toast toast1 = Toast.makeText(getApplicationContext(), "DevSSDAASSADA", Toast.LENGTH_LONG);
toast1.show();
}
}
};
@Override
protected void onResume() {
super.onResume();
mSensorManager.registerListener(mSensorListener, mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
}
@Override
protected void onPause() {
mSensorManager.unregisterListener(mSensorListener);
super.onPause();
}
}
還是一樣@Sleelight – 2015-01-04 14:02:34
如果你把onSensorChanged()斷點,你到達那裏? – Steelight 2015-01-04 14:05:14
yeas @Steelight,但它沒有輸入if。我應該改變價值,而不是12,減少? – 2015-01-04 14:12:49