List of usage examples for android.support.v4.widget EdgeEffectCompat onPull
public boolean onPull(float deltaDistance)
From source file:com.android.photos.views.GalleryThumbnailView.java
/** * * @param deltaX Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *//*w ww . jav a 2 s . co m*/ private boolean trackMotionScroll(int deltaX, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaX); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaX > 0) { overhang = fillLeft(mFirstPosition - 1, allowOverhang); up = true; } else { overhang = fillRight(mFirstPosition + getChildCount(), allowOverhang); up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaX > 0 ? mLeftEdge : mRightEdge; edge.onPull((float) Math.abs(deltaX) / getWidth()); ViewCompat.postInvalidateOnAnimation(this); } } } return deltaX == 0 || movedBy != 0; }
From source file:cn.ieclipse.af.view.StaggeredGridView.java
/** * * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *//* ww w. j av a 2 s .c o m*/ private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang); up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); ViewCompat.postInvalidateOnAnimation(this); } } } return deltaY == 0 || movedBy != 0; }
From source file:com.irontec.jaigiro.widgets.StaggeredGridView.java
/** * /*from w ww . j a v a 2 s .co m*/ * @param deltaY * Pixels that content should move by * @return true if the movement completed, false if it was stopped * prematurely. */ private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang); up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); ViewCompat.postInvalidateOnAnimation(this); } } } invokeOnItemScrollListener(); return deltaY == 0 || movedBy != 0; }
From source file:com.rajul.staggeredgridview.StaggeredGridView.java
/** * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped * prematurely.//from ww w. j a v a 2 s.co m */ private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang); up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); ViewCompat.postInvalidateOnAnimation(this); } } } invokeOnItemScrollListener(); // TODO if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }
From source file:tanglie.mystaggeredgridview.StaggeredGridView.java
/** * * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *///from w w w .j av a 2 s . c o m private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang) + mItemMargin; up = true; } else { // overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; overhang = 0; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); invalidate(); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }
From source file:com.mcxiaoke.minicat.ui.widget.StaggeredGridView.java
/** * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *///from www .j a v a2 s. c o m private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang); up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); invalidate(); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }
From source file:cn.iterlog.myapplication.widget.overscroll.StaggeredGridView.java
/** * * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *///from w w w.java2 s.c om private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang) + mItemMargin; up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); invalidate(); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }
From source file:com.app.afteryou.ui.staggered.StaggeredGridView.java
/** * // w ww .j a va 2s. co m * @param deltaY * Pixels that content should move by * @return true if the movement completed, false if it was stopped * prematurely. */ private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; final int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang) + mItemMargin; up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); offsetChildren(up ? movedBy : -movedBy); //recycleOffscreenViews(); mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); ViewCompat.postInvalidateOnAnimation(this); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } invokeOnItemScrollListener(); return deltaY == 0 || movedBy != 0; }
From source file:chan.android.app.bitwise.util.StaggeredGridView.java
/** * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. */// ww w . ja va2s . co m private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang) + mItemMargin; up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); if (movedBy < 0) { movedBy = 0; } if (movedBy == 0) { if (up) { mGetToTop = true; lazyload = false; } else { mGetToTop = false; lazyload = true; if (!loadlock) { mLoadListener.onLoadmore(); loadlock = true; } } } else { mGetToTop = false; lazyload = true; } offsetChildren(up ? movedBy : -movedBy); if (getChildCount() > MAX_CHILD_COUNT) { recycleOffscreenViews(); } mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); invalidate(); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }
From source file:com.cjj.staggeredgridview.StaggeredGridView.java
/** * @param deltaY Pixels that content should move by * @return true if the movement completed, false if it was stopped prematurely. *///from ww w . j a v a 2s .c o m private boolean trackMotionScroll(int deltaY, boolean allowOverScroll) { final boolean contentFits = contentFits(); final int allowOverhang = Math.abs(deltaY); final int overScrolledBy; int movedBy; if (!contentFits) { final int overhang; final boolean up; mPopulating = true; if (deltaY > 0) { overhang = fillUp(mFirstPosition - 1, allowOverhang) + mItemMargin; up = true; } else { overhang = fillDown(mFirstPosition + getChildCount(), allowOverhang) + mItemMargin; up = false; } movedBy = Math.min(overhang, allowOverhang); if (movedBy < 0) { movedBy = 0; } if (movedBy == 0) { if (up) { mGetToTop = true; lazyload = false; } else { mGetToTop = false; lazyload = true; if (!loadlock && mLoadListener != null) { mLoadListener.onLoadmore(); loadlock = true; } } } else { mGetToTop = false; lazyload = true; } offsetChildren(up ? movedBy : -movedBy); if (getChildCount() > MAX_CHILD_COUNT) { recycleOffscreenViews(); } mPopulating = false; overScrolledBy = allowOverhang - overhang; } else { overScrolledBy = allowOverhang; movedBy = 0; } if (allowOverScroll) { final int overScrollMode = ViewCompat.getOverScrollMode(this); if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) { if (overScrolledBy > 0) { EdgeEffectCompat edge = deltaY > 0 ? mTopEdge : mBottomEdge; edge.onPull((float) Math.abs(deltaY) / getHeight()); invalidate(); } } } if (mSelectorPosition != INVALID_POSITION) { final int childIndex = mSelectorPosition - mFirstPosition; if (childIndex >= 0 && childIndex < getChildCount()) { positionSelector(INVALID_POSITION, getChildAt(childIndex)); } } else { mSelectorRect.setEmpty(); } return deltaY == 0 || movedBy != 0; }