public void setTranslationX(float f) {
   if (AnimatorProxy.NEEDS_PROXY) {
     this.mProxy.setTranslationX(f);
   } else {
     super.setTranslationX(f);
   }
 }
Beispiel #2
0
  private void init(Context context) {
    int[] screenDimen = ScreenUtil.getScreenSize(context);
    int screenWidth = screenDimen[0];
    int screenHeight = screenDimen[1];
    mTouchSlop =
        -ViewConfiguration.get(context)
            .getScaledTouchSlop(); // negative value, so detect for swipe left
    Resources res = context.getResources();
    mGestureIconWidth =
        SizeCalculator.gestureIconWidth(
            res); // reserve space at left, showing gesture icons in listview

    LayoutInflater.from(context).inflate(R.layout.view_shortcut, this, true);
    mGestureListView = (GestureListView) findViewById(R.id.sc_gesture_list);
    mOverlay = (ViewGroup) findViewById(R.id.sc_overlay);
    mGestureOverLay = (GestureOverlayView) findViewById(R.id.sc_ges_overlay);
    mKnob = (OverlayKnob) findViewById(R.id.sc_knob);
    mIvTargetApp = (ImageView) findViewById(R.id.sc_target_icon);

    mOverlayKnobPresenter = new OverlayKnobPresenter(this);
    mOverlayGesturePresenter = new OverlayGesturePresenter(context, this, mTouchSlop);
    mStartTaskPresenter = new StartTaskPresenter(this, mIvTargetApp, -screenHeight / 2);

    mGestureListView
        .getViewTreeObserver()
        .addOnPreDrawListener(
            new ViewTreeObserver.OnPreDrawListener() {
              @Override
              public boolean onPreDraw() {
                mGestureListView.getViewTreeObserver().removeOnPreDrawListener(this);
                startShowAnim();
                return true;
              }
            });
    // mGestureListView.setOnGestureIconClickedListener(mStartTaskPresenter);
    mGestureListView.setOnItemClickListener(mStartTaskPresenter);
    mGestureListView.setOnEmptyViewClickedListener(mGestureListEmptyViewClicked);

    // as the width of the overlay will be changed below, while its layout_gravity is right,
    // so calculation of translationX is then affected.
    mTargetOverlayTranslationX = 0;
    mInitialOverlayTranslationX = screenWidth - mGestureIconWidth;

    mOverlay.setTranslationX(mInitialOverlayTranslationX);

    mGestureOverLay.addOnGesturePerformedListener(mStartTaskPresenter);
    mGestureOverLay.getLayoutParams().width = screenWidth - mGestureIconWidth;
    mOverlay.getLayoutParams().width = screenWidth - (mGestureIconWidth - mKnob.getRadius());
  }
  @SuppressLint("ResourceAsColor")
  @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
  @Override
  public boolean onTouch(final View view, MotionEvent event) {
    if (mViewWidth < 2) {
      mViewWidth = mListView.getWidth();
      smallWidth = mViewWidth / 7;
      textwidth2 = mViewWidth / 3;
      textwidth = textwidth2;
      //            原版
      //            largewidth	=	textwidth+textwidth2;
      //           自己修改
      largewidth = textwidth;
    }

    int tempwidth = 0;
    if (SwipeType == 1) tempwidth = smallWidth;
    else tempwidth = textwidth2 / 2;

    switch (event.getActionMasked()) {
      case MotionEvent.ACTION_DOWN:
        {
          if (mPaused) {
            return false;
          }
          Rect rect = new Rect();
          int childCount = mListView.getChildCount();
          int[] listViewCoords = new int[2];
          mListView.getLocationOnScreen(listViewCoords);
          int x = (int) event.getRawX() - listViewCoords[0];
          int y = (int) event.getRawY() - listViewCoords[1];
          ViewGroup child;
          for (int i = 0; i < childCount; i++) {
            child = (ViewGroup) mListView.getChildAt(i);
            child.getHitRect(rect);
            if (rect.contains(x, y)) {
              mDownView_parent = child;
              mDownView = (ViewGroup) child.findViewById(R.id.list_display_view_container);
              if (mDownView_parent.getChildCount() == 1) {
                textheight = mDownView_parent.getHeight();
                if (SwipeType == Dismiss) {
                  HalfColor = singleColor;
                  //                                HalfDrawable	=
                  //	activity.getResources().getDrawable(R.drawable.content_discard);
                }
                SetBackGroundforList();
              }

              if (old_mDownView != null && mDownView != old_mDownView) {
                ResetListItem(old_mDownView);
                old_mDownView = null;
                return false;
              }
              break;
            }
          }

          if (mDownView != null) {
            mDownX = event.getRawX();
            mDownY = event.getRawY();
            mDownPosition = mListView.getPositionForView(mDownView);
            mVelocityTracker = VelocityTracker.obtain();
            mVelocityTracker.addMovement(event);
          } else {
            mDownView = null;
          }

          // mSwipeDetected              =   false;
          temp_position = mListView.pointToPosition((int) event.getX(), (int) event.getY());
          view.onTouchEvent(event);
          return true;
        }

      case MotionEvent.ACTION_UP:
        {
          if (mVelocityTracker == null) {
            break;
          }
          float deltaX = event.getRawX() - mDownX;
          // 在OnItemClick事件中判断如果Deltax!=0则表示不是点击事件
          DeltaX = deltaX;
          mVelocityTracker.addMovement(event);
          mVelocityTracker.computeCurrentVelocity(1000); // 1000 by defaut but
          float velocityX = mVelocityTracker.getXVelocity(); // it was too much
          float absVelocityX = Math.abs(velocityX);
          float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
          boolean swipe = false;
          boolean swipeRight = false;

          if (Math.abs(deltaX) > tempwidth) {
            swipe = true;
            swipeRight = deltaX > 0;

          } else if (mMinFlingVelocity <= absVelocityX
              && absVelocityX <= mMaxFlingVelocity
              && absVelocityY < absVelocityX) {
            // dismiss only if flinging in the same direction as dragging
            swipe = (velocityX < 0) == (deltaX < 0);
            swipeRight = mVelocityTracker.getXVelocity() > 0;
          }
          if (deltaX < 0 && swipe) {
            mListView.setDrawSelectorOnTop(false);
            // && Math.abs(DeltaY)<30
            if (swipe && !swipeRight && deltaX <= -tempwidth && Math.abs(DeltaY) < 100) {
              FullSwipeTrigger();
            } else if (deltaX >= -textwidth && SwipeType == Double) {
              ResetListItem(mDownView);
            } else {
              ResetListItem(mDownView);
            }
          } else if (deltaX != 0) {
            ResetListItem(mDownView);
          }

          mVelocityTracker.recycle();
          mVelocityTracker = null;
          mDownX = 0;
          mDownView = null;
          mDownPosition = ListView.INVALID_POSITION;
          mSwiping = false;
          break;
        }

        // 根据手势滑动方向滑出滑入

      case MotionEvent.ACTION_MOVE:
        {
          float deltaX = event.getRawX() - mDownX;
          float deltaY = event.getRawY() - mDownY;
          DeltaY = deltaY;
          if (mVelocityTracker == null || mPaused || deltaX > 0) {
            break;
          }

          mVelocityTracker.addMovement(event);

          // && Math.abs(deltaY)<30
          if (Math.abs(deltaX) > (mSlop * 5) && Math.abs(deltaY) < 50) {
            mSwiping = true;
            mListView.requestDisallowInterceptTouchEvent(true);

            // Cancel ListView's touch (un-highlighting the item)
            MotionEvent cancelEvent = MotionEvent.obtain(event);
            cancelEvent.setAction(
                MotionEvent.ACTION_CANCEL
                    | (event.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
            mListView.onTouchEvent(cancelEvent);
            cancelEvent.recycle();
          } else if (Math.abs(deltaY) > 50) {
            mSwiping = false;
            //                     ResetListItem(mDownView);
          }
          System.out.println(
              "<<<<<<<<<" + deltaY + "<<<<<<" + deltaX + "<<<<" + mSwiping + "<<<<<" + mSlop * 10);
          if (mSwiping && deltaX < 0) {
            int width;
            //                     if(SwipeType==1){
            width = textwidth2;
            //                     }
            //                     else{
            //                         width	=	largewidth;
            //                     }

            if (-deltaX < width) {

              mDownView.setTranslationX(deltaX);
              return false;
            }
            return false;
          } else if (mSwiping) {
            ResetListItem(mDownView);
          }
          break;
        }
    }
    return false;
  }