Android Open Source - ShareSDK-for-Android Shake2 Share

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MIT License
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Java Source Code

/*
 * Offical Website:http://www.mob.com//ww  w.  j a  va  2 s .  com
 * Support QQ: 4006852216
 * Offical Wechat Account:ShareSDK   (We will inform you our updated news at the first time by Wechat, if we release a new version. If you get any problem, you can also contact us with Wechat, we will reply you within 24 hours.)
 *
 * Copyright (c) 2013 mob.com. All rights reserved.
 */

package cn.sharesdk.onekeyshare;

import static cn.sharesdk.framework.utils.R.*;
import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.util.FloatMath;
import android.view.Window;
import android.widget.ImageView;
import android.widget.Toast;
import android.widget.ImageView.ScaleType;
import cn.sharesdk.framework.FakeActivity;

/** a demo for shake-to-share */
public class Shake2Share extends FakeActivity implements SensorEventListener {
  // sensor state update interval
  private static final int UPDATE_INTERVAL = 100;
  // shaking detecting threshold, the smaller the more sensitive
  private static final int SHAKE_THRESHOLD = 1500;

  private OnShakeListener listener;
  private SensorManager mSensorManager;
  private long mLastUpdateTime;
  private float mLastX;
  private float mLastY;
  private float mLastZ;
  private boolean shaken;

  public void setOnShakeListener(OnShakeListener listener) {
    this.listener = listener;
  }

  public void setActivity(Activity activity) {
    super.setActivity(activity);
    int resId = getBitmapRes(activity, "ssdk_oks_shake_to_share_back");
    if (resId > 0) {
      activity.setTheme(android.R.style.Theme_Dialog);
      activity.requestWindowFeature(Window.FEATURE_NO_TITLE);
      Window win = activity.getWindow();
      win.setBackgroundDrawableResource(resId);
    }
  }

  public void onCreate() {
    startSensor();

    int resId = getBitmapRes(activity, "ssdk_oks_yaoyiyao");
    if (resId > 0) {
      ImageView iv = new ImageView(activity);
      iv.setScaleType(ScaleType.CENTER_INSIDE);
      iv.setImageResource(resId);
      activity.setContentView(iv);
    }

    resId = getStringRes(activity, "shake2share");
    if (resId > 0) {
      Toast.makeText(activity, resId, Toast.LENGTH_SHORT).show();
    }
  }

  private void startSensor() {
    mSensorManager = (SensorManager) activity.getSystemService(Context.SENSOR_SERVICE);
    if (mSensorManager == null) {
      throw new UnsupportedOperationException();
    }
    Sensor sensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    if (sensor == null) {
      throw new UnsupportedOperationException();
    }
    boolean success = mSensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_GAME);
    if (!success) {
      throw new UnsupportedOperationException();
    }
  }

  public void onDestroy() {
    stopSensor();
  }

  private void stopSensor() {
    if (mSensorManager != null) {
      mSensorManager.unregisterListener(this);
      mSensorManager = null;
    }
  }

  public void onSensorChanged(SensorEvent event) {
    long currentTime = System.currentTimeMillis();
    long diffTime = currentTime - mLastUpdateTime;
    if (diffTime > UPDATE_INTERVAL) {
      if(mLastUpdateTime != 0) {
        float x = event.values[0];
        float y = event.values[1];
        float z = event.values[2];
        float deltaX = x - mLastX;
        float deltaY = y - mLastY;
        float deltaZ = z - mLastZ;
        float delta = FloatMath.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ) / diffTime * 10000;
        if (delta > SHAKE_THRESHOLD) {
          if (!shaken) {
            shaken = true;
            finish();
          }

          if (listener != null) {
            listener.onShake();
          }
        }
        mLastX = x;
        mLastY = y;
        mLastZ = z;
      }
      mLastUpdateTime = currentTime;
    }
  }

  public void onAccuracyChanged(Sensor sensor, int accuracy) {

  }

  public static interface OnShakeListener {
    public void onShake();
  }

}
Java Source Code List
