android.support.v4.view.ViewCompat#setAlpha ( )源码实例Demo

下面列出了android.support.v4.view.ViewCompat#setAlpha ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： ClassifyView 文件： ClassifyItemAnimator.java

private boolean endChangeAnimationIfNecessary(ChangeInfo changeInfo, RecyclerView.ViewHolder item) {
    boolean oldItem = false;
    if (changeInfo.newHolder == item) {
        changeInfo.newHolder = null;
    } else if (changeInfo.oldHolder == item) {
        changeInfo.oldHolder = null;
        oldItem = true;
    } else {
        return false;
    }
    ViewCompat.setAlpha(item.itemView, 1);
    ViewCompat.setTranslationX(item.itemView, 0);
    ViewCompat.setTranslationY(item.itemView, 0);
    dispatchChangeFinished(item, oldItem);
    return true;
}

源代码2 项目： IndexRecyclerView 文件： SwipeItemLayout.java

/**
 * 打开或关闭滑动控件
 *
 * @param isOpen 1表示打开，0表示关闭
 */
private void slideTo(int isOpen) {
    if (isOpen == 1) {
        mBottomView.setVisibility(VISIBLE);
        ViewCompat.setAlpha(mBottomView, 1.0f);
        mCurrentStatus = Status.Opened;
        if (mDelegate != null) {
            mDelegate.onSwipeItemLayoutOpened(this);
        }
    } else {
        mBottomView.setVisibility(INVISIBLE);
        mCurrentStatus = Status.Closed;
        if (mDelegate != null) {
            mDelegate.onSwipeItemLayoutClosed(this);
        }
    }
    mPreStatus = mCurrentStatus;
    mTopLeft = getCloseOrOpenTopViewFinalLeft(isOpen);
    requestLayout();
}

源代码3 项目： Mupdf 文件： DefaultItemAnimator.java

@Override
public boolean animateChange(ViewHolder oldHolder, ViewHolder newHolder,
        int fromX, int fromY, int toX, int toY) {
    final float prevTranslationX = ViewCompat.getTranslationX(oldHolder.itemView);
    final float prevTranslationY = ViewCompat.getTranslationY(oldHolder.itemView);
    final float prevAlpha = ViewCompat.getAlpha(oldHolder.itemView);
    resetAnimation(oldHolder);
    int deltaX = (int) (toX - fromX - prevTranslationX);
    int deltaY = (int) (toY - fromY - prevTranslationY);
    // recover prev translation state after ending animation
    ViewCompat.setTranslationX(oldHolder.itemView, prevTranslationX);
    ViewCompat.setTranslationY(oldHolder.itemView, prevTranslationY);
    ViewCompat.setAlpha(oldHolder.itemView, prevAlpha);
    if (newHolder != null && newHolder.itemView != null) {
        // carry over translation values
        resetAnimation(newHolder);
        ViewCompat.setTranslationX(newHolder.itemView, -deltaX);
        ViewCompat.setTranslationY(newHolder.itemView, -deltaY);
        ViewCompat.setAlpha(newHolder.itemView, 0);
    }
    mPendingChanges.add(new ChangeInfo(oldHolder, newHolder, fromX, fromY, toX, toY));
    return true;
}

源代码4 项目： JumpGo 文件： HorizontalItemAnimator.java

private boolean endChangeAnimationIfNecessary(ChangeInfo changeInfo, ViewHolder item) {
    boolean oldItem = false;
    if (changeInfo.newHolder == item) {
        changeInfo.newHolder = null;
    } else if (changeInfo.oldHolder == item) {
        changeInfo.oldHolder = null;
        oldItem = true;
    } else {
        return false;
    }
    ViewCompat.setAlpha(item.itemView, 1);
    ViewCompat.setTranslationX(item.itemView, 0);
    ViewCompat.setTranslationY(item.itemView, 0);
    dispatchChangeFinished(item, oldItem);
    return true;
}

源代码5 项目： GoogleFitExample 文件： ItemAnimator.java

@Override
public boolean animateChange(RecyclerView.ViewHolder oldHolder, RecyclerView.ViewHolder newHolder, int fromX, int fromY, int toX, int toY) {
    if(oldHolder != null)
    {
        //oldHolder.itemView.setVisibility(View.INVISIBLE);
        dispatchChangeFinished(oldHolder, true);
    }

    if(newHolder != null)
    {
        //newHolder.itemView.setVisibility(View.VISIBLE);
        ViewCompat.setAlpha(newHolder.itemView, 1.0F);
        dispatchChangeFinished(newHolder, false);
    }

    return false;
}

源代码6 项目： LoyalNativeSlider 文件： FlipHorizontalTransformer.java

@Override
protected void onTransform(View view, float position) {
	final float rotation = 180f * position;
       ViewCompat.setAlpha(view, rotation > 90f || rotation < -90f ? 0 : 1);
       ViewCompat.setPivotY(view,view.getHeight()*0.5f);
	ViewCompat.setPivotX(view,view.getWidth() * 0.5f);
	ViewCompat.setRotationY(view,rotation);
}

源代码7 项目： Hify 文件： SwipeItem.java

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    // measure childs
    mSwipeInfo = getChildAt(0);
    mSwipeUndo = getChildAt(1);
    mSwipeItem = getChildAt(2);
    if (mFirstLayout) {
        switch (mState) {
            case LEFT_UNDO:
                mSwipeInfo.setVisibility(GONE);
                mSwipeUndo.setVisibility(VISIBLE);
                break;
            case RIGHT_UNDO:
                mSwipeInfo.setVisibility(GONE);
                mSwipeUndo.setVisibility(VISIBLE);
                break;
            case NORMAL:
                mSwipeUndo.setVisibility(GONE);
                mSwipeInfo.setVisibility(VISIBLE);
        }
        ViewCompat.setAlpha(mSwipeInfo, 1);
        ViewCompat.setAlpha(mSwipeUndo, 1);
    }

    measureChildWithMargins(mSwipeInfo, widthMeasureSpec, 0, heightMeasureSpec, 0);
    measureChildWithMargins(mSwipeUndo, widthMeasureSpec, 0, heightMeasureSpec, 0);
    measureChildWithMargins(mSwipeItem, widthMeasureSpec, 0, heightMeasureSpec, 0);

    setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), mSwipeItem.getMeasuredHeight());

    mSwipeInfo.measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
    mSwipeUndo.measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
    mSwipeItem.measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
}

源代码8 项目： KUtils 文件： ZoomPageTransformer.java

@Override
public void handleLeftPage(View view, float position) {
    float scale = Math.max(mMinScale, 1 + position);
    float vertMargin = view.getHeight() * (1 - scale) / 2;
    float horzMargin = view.getWidth() * (1 - scale) / 2;
    ViewCompat.setTranslationX(view, horzMargin - vertMargin / 2);
    ViewCompat.setScaleX(view, scale);
    ViewCompat.setScaleY(view, scale);
    ViewCompat.setAlpha(view, mMinAlpha + (scale - mMinScale) / (1 - mMinScale) * (1 - mMinAlpha));
}

源代码9 项目： KUtils 文件： DepthPageTransformer.java

@Override
public void handleRightPage(View view, float position) {
    ViewCompat.setAlpha(view, 1 - position);
    ViewCompat.setTranslationX(view, -view.getWidth() * position);
    float scale = mMinScale + (1 - mMinScale) * (1 - position);
    ViewCompat.setScaleX(view, scale);
    ViewCompat.setScaleY(view, scale);
}

源代码10 项目： SweetTips 文件： SweetSnackbar.java

void animateChildrenOut(int delay, int duration) {
    ViewCompat.setAlpha(mMessageView, 1f);
    ViewCompat.animate(mMessageView).alpha(0f).setDuration(duration)
            .setStartDelay(delay).start();

    if (mActionView.getVisibility() == VISIBLE) {
        ViewCompat.setAlpha(mActionView, 1f);
        ViewCompat.animate(mActionView).alpha(0f).setDuration(duration)
                .setStartDelay(delay).start();
    }
}

源代码11 项目： FireFiles 文件： FabSpeedDial.java

private View createFabMenuItem(MenuItem menuItem) {
    ViewGroup fabMenuItem = (ViewGroup) LayoutInflater.from(getContext())
            .inflate(getMenuItemLayoutId(), this, false);

    FloatingActionButton miniFab = (FloatingActionButton) fabMenuItem.findViewById(R.id.mini_fab);
    FrameLayout cardView = (FrameLayout) fabMenuItem.findViewById(R.id.card_view);
    TextView titleView = (TextView) fabMenuItem.findViewById(R.id.title_view);

    fabMenuItemMap.put(miniFab, menuItem);
    cardViewMenuItemMap.put(cardView, menuItem);

    miniFab.setImageDrawable(menuItem.getIcon());
    miniFab.setOnClickListener(this);
    cardView.setOnClickListener(this);

    ViewCompat.setAlpha(miniFab, 0f);
    ViewCompat.setAlpha(cardView, 0f);

    final CharSequence title = menuItem.getTitle();
    if (!TextUtils.isEmpty(title) && miniFabTitlesEnabled) {
        //cardView.setCardBackgroundColor(miniFabTitleBackgroundTint.getDefaultColor());
        titleView.setText(title);
        titleView.setTypeface(null, Typeface.BOLD);
        titleView.setTextColor(miniFabTitleTextColor);
    } else {
        fabMenuItem.removeView(cardView);
    }

    miniFab.setBackgroundTintList(miniFabBackgroundTint);
    if (Utils.hasLollipop()) {
        miniFab.setImageTintList(miniFabDrawableTint);
    }

    return fabMenuItem;
}

源代码12 项目： Nimingban 文件： ViewHelper.java

public static void clear(View v) {
  ViewCompat.setAlpha(v, 1);
  ViewCompat.setScaleY(v, 1);
  ViewCompat.setScaleX(v, 1);
  ViewCompat.setTranslationY(v, 0);
  ViewCompat.setTranslationX(v, 0);
  ViewCompat.setRotation(v, 0);
  ViewCompat.setRotationY(v, 0);
  ViewCompat.setRotationX(v, 0);
  // @TODO https://code.google.com/p/android/issues/detail?id=80863
  //        ViewCompat.setPivotY(v, v.getMeasuredHeight() / 2);
  v.setPivotY(v.getMeasuredHeight() / 2);
  ViewCompat.setPivotX(v, v.getMeasuredWidth() / 2);
  ViewCompat.animate(v).setInterpolator(null);
}

源代码13 项目： JD-Test 文件： ZoomCenterPageTransformer.java

@Override
public void handleRightPage(View view, float position) {
    ViewCompat.setTranslationX(view, -view.getWidth() * position);

    ViewCompat.setPivotX(view, view.getWidth() * 0.5f);
    ViewCompat.setPivotY(view, view.getHeight() * 0.5f);
    ViewCompat.setScaleX(view, 1 - position);
    ViewCompat.setScaleY(view, 1 - position);

    if (position > 0.95f) {
        ViewCompat.setAlpha(view, 0);
    } else {
        ViewCompat.setAlpha(view, 1);
    }
}

源代码14 项目： SprintNBA 文件： MaterialHeaderView.java

@Override
public void onPull(MaterialRefreshLayout materialRefreshLayout, float fraction) {
    if (materialWaveView != null) {
        materialWaveView.onPull(materialRefreshLayout, fraction);
    }
    if (circleProgressBar != null) {
        circleProgressBar.onPull(materialRefreshLayout, fraction);
        float a = Util.limitValue(1, fraction);
        ViewCompat.setScaleX(circleProgressBar, a);
        ViewCompat.setScaleY(circleProgressBar, a);
        ViewCompat.setAlpha(circleProgressBar, a);
    }
}

源代码15 项目： Dragger 文件： DraggerView.java

@Override public void onSpringUpdate(Spring spring) {

      double val = spring.getCurrentValue();
      switch (dragPosition) {
        case LEFT:
          ViewCompat.setTranslationX(dragView,
              (float) SpringUtil.mapValueFromRangeToRange(val, 0, 1, 0, -dragView.getWidth()));
          break;
        case RIGHT:
          ViewCompat.setTranslationX(dragView,
              (float) SpringUtil.mapValueFromRangeToRange(val, 0, 1, 0, dragView.getWidth()));
          break;
        case TOP:
          ViewCompat.setTranslationY(dragView,
              (float) SpringUtil.mapValueFromRangeToRange(val, 0, 1, 0, dragView.getHeight()));
          break;
        case BOTTOM:
          ViewCompat.setTranslationY(dragView,
              (float) SpringUtil.mapValueFromRangeToRange(val, 0, 1, 0, -dragView.getHeight()));
          break;
        default:
          break;
      }

      ViewCompat.setAlpha(shadowView,
          (float) (MAX_ALPHA - SpringUtil.mapValueFromRangeToRange(val, 0, 1, 0, 1)));

      if (draggerCallback != null) {
        draggerCallback.onProgress(spring.getCurrentValue());
      }
    }

源代码16 项目： RecyclerviewAnimators 文件： FadeInAnimator.java

@Override
protected void preAnimateAddImpl(RecyclerView.ViewHolder holder) {
    ViewCompat.setAlpha(holder.itemView, 0);
}

源代码17 项目： GearLoadingProject 文件： GearLoadingLayout.java

private void selectShowAnimation(boolean showDialog) {
    if (mActivityContentView == null || isAnimating)
        return;

    if (showDialog) {
        mActivityContentView.addView(GearLoadingLayout.this);
    }

    this.showDialog = showDialog;
    float from = 0f;
    float to = 0f;
    boolean xAxis = false;
    boolean scaleDialog = false;


    switch (mShowMode) {
        case TOP:
            from = -mDialogHeight;
            to = 0;
            break;
        case BOTTOM:
            from = mDialogHeight;
            to = 0;
            break;
        case LEFT:
            from = -mDialogWidth;
            to = 0;
            xAxis = true;
            break;
        case RIGHT:
            from = mDialogWidth;
            to = 0;
            xAxis = true;
            break;
        case CENTER:
            scaleDialog = true;
            break;
        default:
            break;
    }

    setGearLayoutWrapperGravity();
    applyStyle();
    start();
    if (scaleDialog) {
        ViewCompat.setScaleX(mGearLayoutWrapper, showDialog ? 0 : 1);
        ViewCompat.setScaleY(mGearLayoutWrapper, showDialog ? 0 : 1);
        ViewCompat.animate(mGearLayoutWrapper).scaleX(showDialog ? 1 : 0).scaleY(showDialog ? 1 : 0).setDuration(showDialogDuration).withStartAction(startAction).withEndAction(endAction).start();
    } else {
        if (!xAxis) {
            ViewCompat.setTranslationY(mGearLayoutWrapper, showDialog ? from : to);
            ViewCompat.animate(mGearLayoutWrapper).translationY(showDialog ? to : from).setDuration(showDialogDuration).withStartAction(startAction).withEndAction(endAction).start();
        } else {
            ViewCompat.setTranslationX(mGearLayoutWrapper, showDialog ? from : to);
            ViewCompat.animate(mGearLayoutWrapper).translationX(showDialog ? to : from).setDuration(showDialogDuration).withStartAction(startAction).withEndAction(endAction).start();
        }
    }

    ViewCompat.setAlpha(mMainBackground, showDialog ? 0 : isEnableBlur ? 1 : mMainBackgroundAlpha);
    ViewCompat.animate(mMainBackground).alpha(showDialog ? isEnableBlur ? 1 : mMainBackgroundAlpha : 0).setDuration(showDialogDuration).start();
}

源代码18 项目： letv 文件： DefaultItemAnimator.java

public void endAnimation(ViewHolder item) {
    int i;
    View view = item.itemView;
    ViewCompat.animate(view).cancel();
    for (i = this.mPendingMoves.size() - 1; i >= 0; i--) {
        if (((MoveInfo) this.mPendingMoves.get(i)).holder == item) {
            ViewCompat.setTranslationY(view, 0.0f);
            ViewCompat.setTranslationX(view, 0.0f);
            dispatchMoveFinished(item);
            this.mPendingMoves.remove(i);
        }
    }
    endChangeAnimation(this.mPendingChanges, item);
    if (this.mPendingRemovals.remove(item)) {
        ViewCompat.setAlpha(view, 1.0f);
        dispatchRemoveFinished(item);
    }
    if (this.mPendingAdditions.remove(item)) {
        ViewCompat.setAlpha(view, 1.0f);
        dispatchAddFinished(item);
    }
    for (i = this.mChangesList.size() - 1; i >= 0; i--) {
        ArrayList<ChangeInfo> changes = (ArrayList) this.mChangesList.get(i);
        endChangeAnimation(changes, item);
        if (changes.isEmpty()) {
            this.mChangesList.remove(i);
        }
    }
    for (i = this.mMovesList.size() - 1; i >= 0; i--) {
        ArrayList<MoveInfo> moves = (ArrayList) this.mMovesList.get(i);
        int j = moves.size() - 1;
        while (j >= 0) {
            if (((MoveInfo) moves.get(j)).holder == item) {
                ViewCompat.setTranslationY(view, 0.0f);
                ViewCompat.setTranslationX(view, 0.0f);
                dispatchMoveFinished(item);
                moves.remove(j);
                if (moves.isEmpty()) {
                    this.mMovesList.remove(i);
                }
            } else {
                j--;
            }
        }
    }
    for (i = this.mAdditionsList.size() - 1; i >= 0; i--) {
        ArrayList<ViewHolder> additions = (ArrayList) this.mAdditionsList.get(i);
        if (additions.remove(item)) {
            ViewCompat.setAlpha(view, 1.0f);
            dispatchAddFinished(item);
            if (additions.isEmpty()) {
                this.mAdditionsList.remove(i);
            }
        }
    }
    if (this.mRemoveAnimations.remove(item)) {
    }
    if (this.mAddAnimations.remove(item)) {
    }
    if (this.mChangeAnimations.remove(item)) {
    }
    if (this.mMoveAnimations.remove(item)) {
        dispatchFinishedWhenDone();
    } else {
        dispatchFinishedWhenDone();
    }
}

源代码19 项目： Nimingban 文件： SlideInUpAnimator.java

@Override protected void preAnimateAddImpl(RecyclerView.ViewHolder holder) {
  ViewCompat.setTranslationY(holder.itemView, holder.itemView.getHeight());
  ViewCompat.setAlpha(holder.itemView, 0);
}

源代码20 项目： KUtils 文件： AlphaPageTransformer.java

@Override
public void handleInvisiblePage(View view, float position) {
    ViewCompat.setAlpha(view, 0);
}

方法所在类

android.support.v4.view.ViewCompat