private void animateZoom(View left, View right, float positionOffset, boolean in) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); mScale = in ? ZOOM_MAX + (1 - ZOOM_MAX) * (1 - positionOffset) : 1 + ZOOM_MAX - ZOOM_MAX * (1 - positionOffset); ViewHelper.setPivotX(left, left.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(left, left.getMeasuredHeight() * 0.5f); ViewHelper.setScaleX(left, mScale); ViewHelper.setScaleY(left, mScale); } if (right != null) { manageLayer(right, true); mScale = in ? ZOOM_MAX + (1 - ZOOM_MAX) * positionOffset : 1 + ZOOM_MAX - ZOOM_MAX * positionOffset; ViewHelper.setPivotX(right, right.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(right, right.getMeasuredHeight() * 0.5f); ViewHelper.setScaleX(right, mScale); ViewHelper.setScaleY(right, mScale); } } }
private void animateRotate(View left, View right, float positionOffset, boolean up) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); mRot = (up ? 1 : -1) * (ROT_MAX * positionOffset); mTrans = (up ? -1 : 1) * (float) (getMeasuredHeight() - getMeasuredHeight() * Math.cos(mRot * Math.PI / 180.0f)); ViewHelper.setPivotX(left, left.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(left, up ? 0 : left.getMeasuredHeight()); ViewHelper.setTranslationY(left, mTrans); ViewHelper.setRotation(left, mRot); } if (right != null) { manageLayer(right, true); mRot = (up ? 1 : -1) * (-ROT_MAX + ROT_MAX * positionOffset); mTrans = (up ? -1 : 1) * (float) (getMeasuredHeight() - getMeasuredHeight() * Math.cos(mRot * Math.PI / 180.0f)); ViewHelper.setPivotX(right, right.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(right, up ? 0 : right.getMeasuredHeight()); ViewHelper.setTranslationY(right, mTrans); ViewHelper.setRotation(right, mRot); } } }
private void animateFlipVertical( View left, View right, float positionOffset, int positionOffsetPixels) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); mRot = 180.0f * positionOffset; if (mRot > 90.0f) { left.setVisibility(View.INVISIBLE); } else { if (left.getVisibility() == View.INVISIBLE) left.setVisibility(View.VISIBLE); mTrans = positionOffsetPixels; ViewHelper.setPivotX(left, left.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(left, left.getMeasuredHeight() * 0.5f); ViewHelper.setTranslationX(left, mTrans); ViewHelper.setRotationX(left, mRot); } } if (right != null) { manageLayer(right, true); mRot = -180.0f * (1 - positionOffset); if (mRot < -90.0f) { right.setVisibility(View.INVISIBLE); } else { if (right.getVisibility() == View.INVISIBLE) right.setVisibility(View.VISIBLE); mTrans = -getWidth() - getPageMargin() + positionOffsetPixels; ViewHelper.setPivotX(right, right.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(right, right.getMeasuredHeight() * 0.5f); ViewHelper.setTranslationX(right, mTrans); ViewHelper.setRotationX(right, mRot); } } } }
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) private void setPivotXToTitle(View view) { final TextView mTitleView = (TextView) view.findViewById(R.id.title); Configuration config = getResources().getConfiguration(); if (Build.VERSION_CODES.JELLY_BEAN_MR1 <= Build.VERSION.SDK_INT && config.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) { ViewHelper.setPivotX(mTitleView, view.findViewById(android.R.id.content).getWidth()); } else { ViewHelper.setPivotX(mTitleView, 0); } }
/** 滚动发生时调用 */ @Override protected void onScrollChanged(int l, int t, int oldl, int oldt) { super.onScrollChanged(l, t, oldl, oldt); /** * 距离qq差别 :1.qq内容区域实现了一个缩放的效果 2.菜单的偏移量一直在变化 3.菜单也存在缩放和透明度的变化 实现1.需要将 0.7 ~ 1.0 (0.7 + 0.3 * * scale) 实现2.修改菜单的其实隐藏跨度 实现3.菜单透明度变化0.6 ~ 1.0 ( 0.6 + 0.4 *(1-scale))+缩放:0.7~1.0(1.0 - * scale*0.3) */ // l是当前SrocllX值 float scale = l * 1.0f / mMenuWidth; Log.i("SlidingMenu:onScrollChanged", "" + scale); // 调用属性动画 设置TranslationX 修改菜单的其实隐藏跨度,其实隐藏60% ViewHelper.setTranslationX(mMenu, mMenuWidth * scale * 0.6f); // 实现内容区域缩小 float contextScale = 0.7f + 0.3f * scale; // 设置缩放的中心点 设置内容区域缩放值 ViewHelper.setPivotX(mContent, 0); ViewHelper.setPivotY(mContent, mContent.getHeight() / 2); ViewHelper.setScaleX(mContent, contextScale); ViewHelper.setScaleY(mContent, contextScale); // 实现菜单区域缩放 float menuScale = 1.0f - scale * 0.3f; // 实现菜单透明度变化 float menuAlpha = 0.6f + 0.4f * (1 - scale); // 调用属性动画实现 ViewHelper.setScaleX(mMenu, menuScale); ViewHelper.setScaleY(mMenu, menuScale); ViewHelper.setAlpha(mMenu, menuAlpha); }
private void animateAccordion(View left, View right, float positionOffset) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); ViewHelper.setPivotX(left, left.getMeasuredWidth()); ViewHelper.setPivotY(left, 0); ViewHelper.setScaleX(left, 1 - positionOffset); } if (right != null) { manageLayer(right, true); ViewHelper.setPivotX(right, 0); ViewHelper.setPivotY(right, 0); ViewHelper.setScaleX(right, positionOffset); } } }
@Override public void initView(View item, int position, int scrollDirection) { ViewHelper.setPivotX(item, item.getWidth() / 2); ViewHelper.setPivotY(item, item.getHeight() / 2); ViewHelper.setRotationX(item, -INITIAL_ROTATION_ANGLE * scrollDirection); ViewHelper.setTranslationY(item, item.getHeight() * 2 * scrollDirection); }
/** * Scale title view and move it in Flexible space * * @param scrollY */ private void updateFlexibleSpaceText(final int scrollY) { if (!mIsToolbarShown) return; int adjustedScrollY = scrollY; if (scrollY < 0) { adjustedScrollY = 0; } else if (scrollY > mParallaxImageHeight) { adjustedScrollY = mParallaxImageHeight; } float maxScale = 1.6f; float scale = maxScale * ((float) (mParallaxImageHeight - mToolbarHeight) - adjustedScrollY) / (mParallaxImageHeight - mToolbarHeight); if (scale < 0) { scale = 0; } ViewHelper.setPivotX(mTitle, 0); ViewHelper.setPivotY(mTitle, 0); ViewHelper.setScaleX(mTitle, 1 + scale); ViewHelper.setScaleY(mTitle, 1 + scale); int maxTitleTranslation = (int) (mParallaxImageHeight * 0.4f); int titleTranslation = (int) (maxTitleTranslation * ((float) scale / maxScale)); ViewHelper.setTranslationY(mTitle, titleTranslation); }
@Override protected void onTransform(View view, float position) { // Rotate the fragment on the left or right edge ViewHelper.setPivotX(view, position > 0 ? 0 : view.getWidth()); ViewHelper.setPivotY(view, 0); ViewHelper.setRotation(view, -90f * position); }
protected void animateScroll(int position, float positionOffset) { if (mState != State.IDLE) { mRot = (float) (1 - Math.cos(2 * Math.PI * positionOffset)) / 2 * 30.0f; ViewHelper.setRotationY(this, mState == State.GOING_RIGHT ? mRot : -mRot); ViewHelper.setPivotX(this, getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(this, getMeasuredHeight() * 0.5f); } }
@Override public void initView(View item, int position, int scrollDirection) { ViewHelper.setPivotX(item, item.getWidth() / 2); ViewHelper.setPivotY(item, item.getHeight() / 2); ViewHelper.setScaleX(item, INITIAL_SCALE_FACTOR); ViewHelper.setScaleY(item, INITIAL_SCALE_FACTOR); ViewHelper.setTranslationY(item, item.getHeight() / 2 * scrollDirection); ViewHelper.setAlpha(item, JazzyHelper.OPAQUE / 2); }
private void animateCube(View left, View right, float positionOffset, boolean in) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); mRot = (in ? 90.0f : -90.0f) * positionOffset; ViewHelper.setPivotX(left, left.getMeasuredWidth()); ViewHelper.setPivotY(left, left.getMeasuredHeight() * 0.5f); ViewHelper.setRotationY(left, mRot); } if (right != null) { manageLayer(right, true); mRot = -(in ? 90.0f : -90.0f) * (1 - positionOffset); ViewHelper.setPivotX(right, 0); ViewHelper.setPivotY(right, right.getMeasuredHeight() * 0.5f); ViewHelper.setRotationY(right, mRot); } } }
@Override protected void onTransform(View view, float position) { final float scale = position < 0 ? position + 1f : Math.abs(1f - position); ViewHelper.setScaleX(view, scale); ViewHelper.setScaleY(view, scale); ViewHelper.setPivotX(view, view.getWidth() * 0.5f); ViewHelper.setPivotY(view, view.getHeight() * 0.5f); ViewHelper.setAlpha(view, position < -1f || position > 1f ? 0f : 1f - (scale - 1f)); }
@Override protected void onTransform(View view, float position) { final float width = view.getWidth(); final float rotation = ROT_MOD * position; ViewHelper.setPivotX(view, width * 0.5f); ViewHelper.setPivotY(view, 0f); ViewHelper.setTranslationX(view, 0f); ViewHelper.setRotation(view, rotation); }
private void setScaleDirection(int direction) { int screenWidth = getScreenWidth(); float pivotX; float pivotY = getScreenHeight() * 0.5f; if (direction == DIRECTION_LEFT) { scrollViewMenu = scrollViewLeftMenu; pivotX = screenWidth * 1.5f; } else { scrollViewMenu = scrollViewRightMenu; pivotX = screenWidth * -0.5f; } ViewHelper.setPivotX(viewActivity, pivotX); ViewHelper.setPivotY(viewActivity, pivotY); ViewHelper.setPivotX(imageViewShadow, pivotX); ViewHelper.setPivotY(imageViewShadow, pivotY); scaleDirection = direction; }
@Override public void onScrollChanged(int scrollY, boolean firstScroll, boolean dragging) { // Translate overlay and image float flexibleRange = mFlexibleSpaceImageHeight - mActionBarSize; int minOverlayTransitionY = mActionBarSize - mOverlayView.getHeight(); ViewHelper.setTranslationY( mOverlayView, ScrollUtils.getFloat(-scrollY, minOverlayTransitionY, 0)); ViewHelper.setTranslationY( mImageView, ScrollUtils.getFloat(-scrollY / 2, minOverlayTransitionY, 0)); // Change alpha of overlay ViewHelper.setAlpha(mOverlayView, ScrollUtils.getFloat((float) scrollY / flexibleRange, 0, 1)); // Scale title text float scale = 1 + ScrollUtils.getFloat( (flexibleRange - scrollY) / flexibleRange, 0, MAX_TEXT_SCALE_DELTA); ViewHelper.setPivotX(mTitleView, 0); ViewHelper.setPivotY(mTitleView, 0); ViewHelper.setScaleX(mTitleView, scale); ViewHelper.setScaleY(mTitleView, scale); // Translate title text int maxTitleTranslationY = (int) (mFlexibleSpaceImageHeight - mTitleView.getHeight() * scale); int titleTranslationY = maxTitleTranslationY - scrollY; ViewHelper.setTranslationY(mTitleView, titleTranslationY); // Translate FAB int maxFabTranslationY = mFlexibleSpaceImageHeight - mFab.getHeight() / 2; float fabTranslationY = ScrollUtils.getFloat( -scrollY + mFlexibleSpaceImageHeight - mFab.getHeight() / 2, mActionBarSize - mFab.getHeight() / 2, maxFabTranslationY); if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) { // On pre-honeycomb, ViewHelper.setTranslationX/Y does not set margin, // which causes FAB's OnClickListener not working. FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mFab.getLayoutParams(); lp.leftMargin = mOverlayView.getWidth() - mFabMargin - mFab.getWidth(); lp.topMargin = (int) fabTranslationY; mFab.requestLayout(); } else { ViewHelper.setTranslationX(mFab, mOverlayView.getWidth() - mFabMargin - mFab.getWidth()); ViewHelper.setTranslationY(mFab, fabTranslationY); } // Show/hide FAB if (fabTranslationY < mFlexibleSpaceShowFabOffset) { hideFab(); } else { showFab(); } }
@Override protected void onTransform(View view, float position) { final float height = view.getHeight(); final float width = view.getWidth(); final float scale = min(position > 0 ? 1f : Math.abs(1f + position), 0.5f); ViewHelper.setScaleX(view, scale); ViewHelper.setScaleY(view, scale); ViewHelper.setPivotX(view, width * 0.5f); ViewHelper.setPivotY(view, height * 0.5f); ViewHelper.setTranslationX(view, position > 0 ? width * position : -width * position * 0.25f); }
/** * reset the view to default status * * @param target */ public void reset(View target) { ViewHelper.setAlpha(target, 1); ViewHelper.setScaleX(target, 1); ViewHelper.setScaleY(target, 1); ViewHelper.setTranslationX(target, 0); ViewHelper.setTranslationY(target, 0); ViewHelper.setRotation(target, 0); ViewHelper.setRotationY(target, 0); ViewHelper.setRotationX(target, 0); ViewHelper.setPivotX(target, target.getMeasuredWidth() / 2.0f); ViewHelper.setPivotY(target, target.getMeasuredHeight() / 2.0f); }
@Override protected void onTransform(View view, float position) { final float scale = 1f + Math.abs(position); ViewHelper.setScaleX(view, scale); ViewHelper.setScaleY(view, scale); ViewHelper.setPivotX(view, view.getWidth() * 0.5f); ViewHelper.setPivotY(view, view.getWidth() * 0.5f); ViewHelper.setAlpha(view, position < -1f || position > 1f ? 0f : 1f - (scale - 1f)); if (position < -0.9) { // -0.9 to prevent a small bug ViewHelper.setTranslationX(view, view.getWidth() * position); } }
protected void animateTablet(View left, View right, float positionOffset) { if (mState != State.IDLE) { if (left != null) { manageLayer(left, true); mRot = 30.0f * positionOffset; mTrans = getOffsetXForRotation(mRot, left.getMeasuredWidth(), left.getMeasuredHeight()); ViewHelper.setPivotX(left, left.getMeasuredWidth() / 2); ViewHelper.setPivotY(left, left.getMeasuredHeight() / 2); ViewHelper.setTranslationX(left, mTrans); ViewHelper.setRotationY(left, mRot); logState(left, "Left"); } if (right != null) { manageLayer(right, true); mRot = -30.0f * (1 - positionOffset); mTrans = getOffsetXForRotation(mRot, right.getMeasuredWidth(), right.getMeasuredHeight()); ViewHelper.setPivotX(right, right.getMeasuredWidth() * 0.5f); ViewHelper.setPivotY(right, right.getMeasuredHeight() * 0.5f); ViewHelper.setTranslationX(right, mTrans); ViewHelper.setRotationY(right, mRot); logState(right, "Right"); } } }
public AnimationBuilder pivotX(float pivotX) { for (View view : views) { ViewHelper.setPivotX(view, pivotX); } return this; }
public void setPivotX(float x) { ViewHelper.setPivotX(this, x); }
public void initView(View paramView, int paramInt1, int paramInt2) { ViewHelper.setPivotX(paramView, paramView.getWidth() / 2); ViewHelper.setPivotY(paramView, paramView.getHeight() / 2); ViewHelper.setScaleX(paramView, 0.01F); ViewHelper.setScaleY(paramView, 0.01F); }