我需要添加一个摇功能，将刷新我的Android应用程序。
我所找到的所有文档都涉及实现SensorListener，但Eclipse告诉我它已被弃用，并建议使用SensorEventListener。
有人知道如何创建这个震动控制器吗?
当前回答
我正在为我的大学项目开发一个运动检测和震动检测应用程序。
除了应用程序的原始目标之外，我还从应用程序中分离了库部分(负责运动和震动检测)。该代码是免费的，可在SourceForge上获得，项目名称为“BenderCatch”。我正在制作的文件将在9月中旬左右准备好。 http://sf.net/projects/bendercatch
它使用了一种更精确的方法来检测震动:当你执行震动时，既观察SensorEvents之间的力差，也观察X轴和Y轴上的振动。它甚至可以在每次震动时发出声音(或振动)。
欢迎通过电子邮件raffaele [at] terzigno [dot] com向我询问更多信息
其他回答
package com.example.shakingapp;
import android.app.Activity;
import android.graphics.Color;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;
public class MainActivity extends Activity implements SensorEventListener {
private SensorManager sensorManager;
private boolean color = false;
private View view;
private long lastUpdate;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
view = findViewById(R.id.textView);
view.setBackgroundColor(Color.GREEN);
sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
lastUpdate = System.currentTimeMillis();
}
@Override
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
getAccelerometer(event);
}
}
private void getAccelerometer(SensorEvent event) {
float[] values = event.values;
// Movement
float x = values[0];
float y = values[1];
float z = values[2];
System.out.println(x);
System.out.println(y);
System.out.println(z);
System.out.println(SensorManager.GRAVITY_EARTH );
float accelationSquareRoot = (x * x + y * y + z * z)
/ (SensorManager.GRAVITY_EARTH * SensorManager.GRAVITY_EARTH);
long actualTime = System.currentTimeMillis();
if (accelationSquareRoot >= 2) //
{
if (actualTime - lastUpdate < 200) {
return;
}
lastUpdate = actualTime;
Toast.makeText(this, "Device was shuffed "+accelationSquareRoot, Toast.LENGTH_SHORT)
.show();
if (color) {
view.setBackgroundColor(Color.GREEN);
} else {
view.setBackgroundColor(Color.RED);
}
color = !color;
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
@Override
protected void onResume() {
super.onResume();
// register this class as a listener for the orientation and
// accelerometer sensors
sensorManager.registerListener(this,
sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
SensorManager.SENSOR_DELAY_NORMAL);
}
@Override
protected void onPause() {
// unregister listener
super.onPause();
sensorManager.unregisterListener(this);
}
}
我正在为我的大学项目开发一个运动检测和震动检测应用程序。
除了应用程序的原始目标之外，我还从应用程序中分离了库部分(负责运动和震动检测)。该代码是免费的，可在SourceForge上获得，项目名称为“BenderCatch”。我正在制作的文件将在9月中旬左右准备好。 http://sf.net/projects/bendercatch
它使用了一种更精确的方法来检测震动:当你执行震动时，既观察SensorEvents之间的力差，也观察X轴和Y轴上的振动。它甚至可以在每次震动时发出声音(或振动)。
欢迎通过电子邮件raffaele [at] terzigno [dot] com向我询问更多信息
你可能想试试开源tinybus。有了它，震动检测就像这样简单。
public class MainActivity extends Activity {
private Bus mBus;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
...
// Create a bus and attach it to activity
mBus = TinyBus.from(this).wire(new ShakeEventWire());
}
@Subscribe
public void onShakeEvent(ShakeEvent event) {
Toast.makeText(this, "Device has been shaken",
Toast.LENGTH_SHORT).show();
}
@Override
protected void onStart() {
super.onStart();
mBus.register(this);
}
@Override
protected void onStop() {
mBus.unregister(this);
super.onStop();
}
}
它采用地震仪进行振动检测。
下面是另一个代码:
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Handler;
public class AccelerometerListener implements SensorEventListener {
private SensorManager sensorManager;
private List<Sensor> sensors;
private Sensor sensor;
private long lastUpdate = -1;
private long currentTime = -1;
private Main parent;
private Timer timer;
private int shakes;
private static final Handler mHandler = new Handler();
private float last_x, last_y, last_z;
private float current_x, current_y, current_z, currenForce;
private static final int FORCE_THRESHOLD = 500;
private final int DATA_X = SensorManager.DATA_X;
private final int DATA_Y = SensorManager.DATA_Y;
private final int DATA_Z = SensorManager.DATA_Z;
public AccelerometerListener(Main parent) {
SensorManager sensorService = (SensorManager) parent
.getSystemService(Context.SENSOR_SERVICE);
this.sensorManager = sensorService;
if (sensorService == null)
return;
this.sensors = sensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
if (sensors.size() > 0) {
sensor = sensors.get(0);
}
this.parent = parent;
}
public void start() {
if (sensor == null)
return;
sensorManager.registerListener(this, sensor,
SensorManager.SENSOR_DELAY_GAME);
}
public void stop() {
if (sensorManager == null)
return;
sensorManager.unregisterListener(this);
}
public void onAccuracyChanged(Sensor s, int valu) {
}
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() != Sensor.TYPE_ACCELEROMETER)
return;
currentTime = System.currentTimeMillis();
if ((currentTime - lastUpdate) > 50) {
long diffTime = (currentTime - lastUpdate);
lastUpdate = currentTime;
current_x = event.values[DATA_X];
current_y = event.values[DATA_Y];
current_z = event.values[DATA_Z];
currenForce = Math.abs(current_x + current_y + current_z - last_x
- last_y - last_z)
/ diffTime * 10000;
if (currenForce > FORCE_THRESHOLD) {
shakeDetected();
}
last_x = current_x;
last_y = current_y;
last_z = current_z;
}
}
private void shakeDetected() {
shakes++;
if (shakes == 1) {
if (timer != null) {
timer.cancel();
}
timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
if (shakes > 3) {
mHandler.post(new Runnable() {
public void run() {
// shake
}
});
}
shakes = 0;
}
}, 500);
}
}
}
和我一起工作，很好 参考
public class ShakeEventListener implements SensorEventListener {
public final static int SHAKE_LIMIT = 15;
public final static int LITTLE_SHAKE_LIMIT = 5;
private SensorManager mSensorManager;
private float mAccel = 0.00f;
private float mAccelCurrent = SensorManager.GRAVITY_EARTH;
private float mAccelLast = SensorManager.GRAVITY_EARTH;
private ShakeListener listener;
public interface ShakeListener {
public void onShake();
public void onLittleShake();
}
public ShakeEventListener(ShakeListener l) {
Activity a = (Activity) l;
mSensorManager = (SensorManager) a.getSystemService(Context.SENSOR_SERVICE);
listener = l;
registerListener();
}
public ShakeEventListener(Activity a, ShakeListener l) {
mSensorManager = (SensorManager) a.getSystemService(Context.SENSOR_SERVICE);
listener = l;
registerListener();
}
public void registerListener() {
mSensorManager.registerListener(this, mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
}
public void unregisterListener() {
mSensorManager.unregisterListener(this);
}
public void onSensorChanged(SensorEvent se) {
float x = se.values[0];
float y = se.values[1];
float z = se.values[2];
mAccelLast = mAccelCurrent;
mAccelCurrent = (float) FloatMath.sqrt(x*x + y*y + z*z);
float delta = mAccelCurrent - mAccelLast;
mAccel = mAccel * 0.9f + delta;
if(mAccel > SHAKE_LIMIT)
listener.onShake();
else if(mAccel > LITTLE_SHAKE_LIMIT)
listener.onLittleShake();
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {}
}
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