public class SildingFinishLayout extends RelativeLayout implements View.OnTouchListener {
  /**
   * SildingFinishLayout布局的父布局
   */
  private ViewGroup mParentView;
  /**
   * 處理滑動(dòng)邏輯的View
   */
  private View touchView;
  /**
   * 滑動(dòng)的最小距離
   */
  private int mTouchSlop;
  /**
   * 按下點(diǎn)的X坐標(biāo)
   */
  private int downX;
  /**
   * 按下點(diǎn)的Y坐標(biāo)
   */
  private int downY;
  /**
   * 臨時(shí)存儲(chǔ)X坐標(biāo)
   */
  private int tempX;
  /**
   * 滑動(dòng)類(lèi)
   */
  private Scroller mScroller;
  /**
   * SildingFinishLayout的寬度
   */
  private int viewWidth;
  /**
   * 記錄是否正在滑動(dòng)
   */
  private boolean isSilding;


  private OnSildingFinishListener onSildingFinishListener;
  private boolean isFinish;


  public SildingFinishLayout(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }


  public SildingFinishLayout(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);


    mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
    mScroller = new Scroller(context);
  }


  @Override
  protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);
    if (changed) {
// 獲取SildingFinishLayout所在布局的父布局
      mParentView = (ViewGroup) this.getParent();
      viewWidth = this.getWidth();
    }
  }


  /**
   * 設(shè)置OnSildingFinishListener, 在onSildingFinish()方法中finish Activity
   *
   * @param onSildingFinishListener
   */
  public void setOnSildingFinishListener(
      OnSildingFinishListener onSildingFinishListener) {
    this.onSildingFinishListener = onSildingFinishListener;
  }


  /**
   * 設(shè)置Touch的View
   *
   * @param touchView
   */
  public void setTouchView(View touchView) {
    this.touchView = touchView;
    touchView.setOnTouchListener(this);
  }


  public View getTouchView() {
    return touchView;
  }


  /**
   * 滾動(dòng)出界面
   */
  private void scrollRight() {
    final int delta = (viewWidth + mParentView.getScrollX());
// 調(diào)用startScroll方法來(lái)設(shè)置一些滾動(dòng)的參數(shù)，我們?cè)赾omputeScroll()方法中調(diào)用scrollTo來(lái)滾動(dòng)item
    mScroller.startScroll(mParentView.getScrollX(), 0, -delta + 1, 0,
        Math.abs(delta));
    postInvalidate();
  }


  /**
   * 滾動(dòng)到起始位置
   */
  private void scrollOrigin() {
    int delta = mParentView.getScrollX();
    mScroller.startScroll(mParentView.getScrollX(), 0, -delta, 0,
        Math.abs(delta));
    postInvalidate();
  }


  /**
   * touch的View是否是AbsListView， 例如ListView, GridView等其子類(lèi)
   *
   * @return
   */
  private boolean isTouchOnAbsListView() {
    return touchView instanceof AbsListView ? true : false;
  }


  /**
   * touch的view是否是ScrollView或者其子類(lèi)
   *
   * @return
   */
  private boolean isTouchOnScrollView() {
    return touchView instanceof ScrollView ? true : false;
  }


  @Override
  public boolean onTouch(View v, MotionEvent event) {
    switch (event.getAction()) {
      case MotionEvent.ACTION_DOWN:
        downX = tempX = (int) event.getRawX();
        downY = (int) event.getRawY();
        break;
      case MotionEvent.ACTION_MOVE:
        int moveX = (int) event.getRawX();
        int deltaX = tempX - moveX;
        tempX = moveX;
        if (Math.abs(moveX - downX) > mTouchSlop
            && Math.abs((int) event.getRawY() - downY) < mTouchSlop) {
          isSilding = true;


// 若touchView是AbsListView，
// 則當(dāng)手指滑動(dòng)，取消item的點(diǎn)擊事件，不然我們滑動(dòng)也伴隨著item點(diǎn)擊事件的發(fā)生
          if (isTouchOnAbsListView()) {
            MotionEvent cancelEvent = MotionEvent.obtain(event);
            cancelEvent
                .setAction(MotionEvent.ACTION_CANCEL
                    | (event.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
            v.onTouchEvent(cancelEvent);
          }


        }


        if (moveX - downX >= 0 && isSilding) {
          mParentView.scrollBy(deltaX, 0);


// 屏蔽在滑動(dòng)過(guò)程中ListView ScrollView等自己的滑動(dòng)事件
          if (isTouchOnScrollView() || isTouchOnAbsListView()) {
            return true;
          }
        }
        break;
      case MotionEvent.ACTION_UP:
        isSilding = false;
        if (mParentView.getScrollX() <= -viewWidth / 2) {
          isFinish = true;
          scrollRight();
        } else {
          scrollOrigin();
          isFinish = false;
        }
        break;
    }


// 假如touch的view是AbsListView或者ScrollView 我們處理完上面自己的邏輯之后
// 再交給AbsListView, ScrollView自己處理其自己的邏輯
    if (isTouchOnScrollView() || isTouchOnAbsListView()) {
      return v.onTouchEvent(event);
    }


// 其他的情況直接返回true
    return true;
  }


  @Override
  public void computeScroll() {
// 調(diào)用startScroll的時(shí)候scroller.computeScrollOffset()返回true，
    if (mScroller.computeScrollOffset()) {
      mParentView.scrollTo(mScroller.getCurrX(), mScroller.getCurrY());
      postInvalidate();


      if (mScroller.isFinished()) {


        if (onSildingFinishListener != null && isFinish) {
          onSildingFinishListener.onSildingFinish();
        }
      }
    }
  }

  public interface OnSildingFinishListener {
    public void onSildingFinish();
  }
}

 @Override
  public void onCreate(@Nullable Bundle savedInstanceState, @Nullable PersistableBundle persistentState) {
    super.onCreate(savedInstanceState, persistentState);
    SildingFinishLayout mSildingFinishLayout = (SildingFinishLayout) findViewById(R.id.timed_task_SildingFinishLayout);
mSildingFinishLayout
    mSildingFinishLayout .setOnSildingFinishListener(new SildingFinishLayout.OnSildingFinishListener() {
      @Override
      public void onSildingFinish() {
        finish();
      }
    });
    mSildingFinishLayout .setTouchView(mSildingFinishLayout);//綁定底層的布局就可以了 :不起作用的話(huà)換個(gè)你activity 布局里面view就可以啦 
  }

<style name="AppTheme" parent="android:Theme.Light">
  <item name="android:windowIsTranslucent">true</item>
  <item name="android:windowNoTitle">true</item>
  <item name="android:windowBackground">@android:color/transparent</item>
</style>

android:theme="@style/AppTheme" 

<item name="android:windowFrame">@null</item> ：Dialog的windowFrame框?yàn)闊o(wú)
<item name="android:windowIsFloating">true</item>：是否浮現(xiàn)在activity之上
<item name="android:windowIsTranslucent">false</item>:是否半透明
<item name="android:windowNoTitle">true</item>:是否顯示title
<item name="android:windowBackground">@drawable/dia_bg</item>:設(shè)置dialog的背景
<item name="android:backgroundDimEnabled">false</item>: 背景是否透明顯示