<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent" ><TextView  android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="当前状态：就绪"    android:id="@+id/state"    android:textColor="#ff0000" /><Button android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:id="@+id/call"    android:text="打电话(10086)"/>    <Button android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:id="@+id/stop"    android:text="挂机"/>  </LinearLayout>

public class ShakeSensorActivity extends Activity implements SensorListener {private float lastX;private float lastY;private float lastZ;private View mainView;private long currTime;private long lastTime;private long duration;// 持续时间　    private float currShake;private float totalShake;private ITelephony iTelephony;private boolean isCalling = false;    SensorManager sm = null;    @Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);        mainView = LinearLayout.inflate(this, R.layout.main, null);        setContentView(mainView);        ((Button) mainView.findViewById(R.id.call)).setOnClickListener(new     OnClickListener() {                    @Overridepublic void onClick(View v) {// 打电话                        callPhoneNumber10086();                    }                });        ((Button) mainView.findViewById(R.id.stop)).setOnClickListener(new OnClick-         Listener() {                    @Overridepublic void onClick(View v) {// 挂机                        closePhone();                    }                });// 获取传感器管理器        sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);// 注册加速度传感器　        sm.registerListener(this, SensorManager.SENSOR_ACCELEROMETER,SensorManager.         SENSOR_DELAY_NORMAL);

    }    @Overridepublic void finish() {// TODO Auto-generated method stub        super.finish();        sm.unregisterListener(this);// 注销侦听

    }    @Overridepublic void onAccuracyChanged(int sensor, int accuracy) {// 精度改变，该方法实质上不做任何操作，它只在每次调用时，添加一个日志项    }    @Overridepublic void onSensorChanged(int sensor, float[] values) {float x = values[0];float y = values[1];float z = values[2];        currTime = System.currentTimeMillis();if (lastX == 0 && lastY == 0 && lastZ == 0) {// 第一次shake            lastTime = currTime;        }if (currTime - lastTime > 200) {// 200毫秒检测一次            duration = currTime - lastTime;            currShake = (Math.abs(x - lastX) + Math.abs(y - lastY) + Math.abs(z    - lastZ))/ duration * 200;        }        totalShake = totalShake + currShake;if (totalShake > 100) {            totalShake = 0;// 重置为0，重新累计计数            lastX = 0;            lastY = 0;            lastZ = 0;            lastTime = 0;            currTime = 0;if (!isCalling) {                callPhoneNumber10086();                ((TextView) mainView.findViewById(R.id.state)).setText("当前状态：                通话中...");            } else {                closePhone();                ((TextView) mainView.findViewById(R.id.state)).setText("当前状态：通话结束...");            }        }        lastX = x;        lastY = y;        lastZ = z;        lastTime = currTime;    }

/**     * tell 10086打开通话界面*/private synchronized void callPhoneNumber10086() {        isCalling = true;        Intent myIntentDial = new Intent(Intent.ACTION_CALL,Uri.parse("tel:" + 10086));        startActivity(myIntentDial);    }

/**     * 结束通话*/private synchronized void closePhone() {try {            getTelephony();            iTelephony.endCall();            isCalling = false;        } catch (RemoteException e) {// TODO Auto-generated catch block            e.printStackTrace();        }

    }

/**     * 初始电话　实例*/public void getTelephony() {

        TelephonyManager telMgr = (TelephonyManager) this.getSystemService(Service.         TELEPHONY_SERVICE);        Class<TelephonyManager> c = TelephonyManager.class;        Method getITelephonyMethod = null;try {            getITelephonyMethod = c.getDeclaredMethod("getITelephony",(Class[]) null);            getITelephonyMethod.setAccessible(true);        } catch (SecurityException e) {            e.printStackTrace();        } catch (NoSuchMethodException e) {            e.printStackTrace();        }

try {            iTelephony = (ITelephony) getITelephonyMethod.invoke(telMgr,(Object[])null);        } catch (IllegalArgumentException e) {            e.printStackTrace();        } catch (IllegalAccessException e) {            e.printStackTrace();        } catch (InvocationTargetException e) {            e.printStackTrace();        }

    }