List of usage examples for android.view View getParent
public final ViewParent getParent()
From source file:com.isapp.android.circularviewpager.CircularViewPager.java
public boolean arrowScroll(int direction) { View currentFocused = findFocus(); if (currentFocused == this) { currentFocused = null;//from www .j av a 2 s . c o m } else if (currentFocused != null) { boolean isChild = false; for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent .getParent()) { if (parent == this) { isChild = true; break; } } if (!isChild) { // This would cause the focus search down below to fail in fun ways. final StringBuilder sb = new StringBuilder(); sb.append(currentFocused.getClass().getSimpleName()); for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent .getParent()) { sb.append(" => ").append(parent.getClass().getSimpleName()); } Log.e(TAG, "arrowScroll tried to find focus based on non-child " + "current focused view " + sb.toString()); currentFocused = null; } } boolean handled = false; View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction); if (nextFocused != null && nextFocused != currentFocused) { if (direction == View.FOCUS_LEFT) { // If there is nothing to the left, or this is causing us to // jump to the right, then what we really want to do is page left. final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left; final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left; if (currentFocused != null && nextLeft >= currLeft) { handled = pageLeft(); } else { handled = nextFocused.requestFocus(); } } else if (direction == View.FOCUS_RIGHT) { // If there is nothing to the right, or this is causing us to // jump to the left, then what we really want to do is page right. final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left; final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left; if (currentFocused != null && nextLeft <= currLeft) { handled = pageRight(); } else { handled = nextFocused.requestFocus(); } } } else if (direction == FOCUS_LEFT || direction == FOCUS_BACKWARD) { // Trying to move left and nothing there; try to page. handled = pageLeft(); } else if (direction == FOCUS_RIGHT || direction == FOCUS_FORWARD) { // Trying to move right and nothing there; try to page. handled = pageRight(); } if (handled) { playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction)); } return handled; }
From source file:android.transitions.everywhere.Transition.java
/** * Recursive method which captures values for an entire view hierarchy, * starting at some root view. Transitions without targetIDs will use this * method to capture values for all possible views. * * @param view The view for which to capture values. Children of this View * will also be captured, recursively down to the leaf nodes. * @param start true if values are being captured in the start scene, false * otherwise.//from w w w . j a v a2s .c o m */ private void captureHierarchy(View view, boolean start) { if (view == null) { return; } int id = view.getId(); if (mTargetIdExcludes != null && mTargetIdExcludes.contains(id)) { return; } if (mTargetExcludes != null && mTargetExcludes.contains(view)) { return; } if (mTargetTypeExcludes != null && view != null) { int numTypes = mTargetTypeExcludes.size(); for (int i = 0; i < numTypes; ++i) { if (mTargetTypeExcludes.get(i).isInstance(view)) { return; } } } if (view.getParent() instanceof ViewGroup) { TransitionValues values = new TransitionValues(); values.view = view; if (start) { captureStartValues(values); } else { captureEndValues(values); } values.targetedTransitions.add(this); capturePropagationValues(values); if (start) { addViewValues(mStartValues, view, values); } else { addViewValues(mEndValues, view, values); } } if (view instanceof ViewGroup) { // Don't traverse child hierarchy if there are any child-excludes on this view if (mTargetIdChildExcludes != null && mTargetIdChildExcludes.contains(id)) { return; } if (mTargetChildExcludes != null && mTargetChildExcludes.contains(view)) { return; } if (mTargetTypeChildExcludes != null) { int numTypes = mTargetTypeChildExcludes.size(); for (int i = 0; i < numTypes; ++i) { if (mTargetTypeChildExcludes.get(i).isInstance(view)) { return; } } } ViewGroup parent = (ViewGroup) view; for (int i = 0; i < parent.getChildCount(); ++i) { captureHierarchy(parent.getChildAt(i), start); } } }
From source file:com.example.uidemo.widget.waterfall.StaggeredGridView.java
/** * Should be called with mPopulating set to true * * @param fromPosition Position to start filling from * @param overhang the number of extra pixels to fill beyond the current top edge * @return the max overhang beyond the beginning of the view of any added items at the top */// ww w. j a va 2 s .c om final int fillUp(int fromPosition, int overhang) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; final int gridTop = getPaddingTop(); final int fillTo = gridTop - overhang; int nextCol = getNextColumnUp(); int position = fromPosition; while (nextCol >= 0 && mItemTops[nextCol] > fillTo && position >= 0) { // make sure the nextCol is correct. check to see if has been mapped // otherwise stick to getNextColumnUp() if (!mColMappings.get(nextCol).contains((Integer) position)) { for (int i = 0; i < mColMappings.size(); i++) { if (mColMappings.get(i).contains((Integer) position)) { nextCol = i; break; } } } // displayMapping(); final View child = obtainView(position, null); if (child == null) continue; LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp == null) { lp = this.generateDefaultLayoutParams(); child.setLayoutParams(lp); } if (child.getParent() != this) { if (mInLayout) { addViewInLayout(child, 0, lp); } else { addView(child, 0); } } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); LayoutRecord rec; if (span > 1) { rec = getNextRecordUp(position, span); // nextCol = rec.column; } else { rec = mLayoutRecords.get(position); } boolean invalidateBefore = false; if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); rec.column = nextCol; rec.span = span; } else if (span != rec.span) { rec.span = span; rec.column = nextCol; invalidateBefore = true; } else { // nextCol = rec.column; } if (mHasStableIds) { final long id = mAdapter.getItemId(position); rec.id = id; lp.id = id; } lp.column = nextCol; final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); final int childHeight = child.getMeasuredHeight(); if (invalidateBefore || (childHeight != rec.height && rec.height > 0)) { invalidateLayoutRecordsBeforePosition(position); } rec.height = childHeight; int itemTop = mItemTops[nextCol]; final int startFrom; if (span > 1) { int highest = mItemTops[nextCol]; for (int i = nextCol + 1; i < nextCol + span; i++) { final int top = mItemTops[i]; if (top < highest) { highest = top; } } startFrom = highest; } else { startFrom = mItemTops[nextCol]; } int childBottom = startFrom; int childTop = childBottom - childHeight; final int childLeft = paddingLeft + nextCol * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); // if(position == 0){ // if(this.getChildCount()>1 && this.mColCount>1){ // childTop = this.getChildAt(1).getTop(); // childBottom = childTop + childHeight; // } // } child.layout(childLeft, childTop, childRight, childBottom); for (int i = nextCol; i < nextCol + span; i++) { mItemTops[i] = childTop - rec.getMarginAbove(i - nextCol) - itemMargin; } nextCol = getNextColumnUp(); mFirstPosition = position--; } int highestView = getHeight(); for (int i = 0; i < mColCount; i++) { final View child = getFirstChildAtColumn(i); if (child == null) { highestView = 0; break; } final int top = child.getTop(); if (top < highestView) { highestView = top; } } return gridTop - highestView; }
From source file:com.borqs.se.addobject.AddObjectViewPager.java
public boolean arrowScroll(int direction) { View currentFocused = findFocus(); if (currentFocused == this) { currentFocused = null;/*from w ww.j a v a2 s . com*/ } else if (currentFocused != null) { boolean isChild = false; for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent .getParent()) { if (parent == this) { isChild = true; break; } } if (!isChild) { // This would cause the focus search down below to fail in fun ways. final StringBuilder sb = new StringBuilder(); sb.append(currentFocused.getClass().getSimpleName()); for (ViewParent parent = currentFocused.getParent(); parent instanceof ViewGroup; parent = parent .getParent()) { sb.append(" => ").append(parent.getClass().getSimpleName()); } currentFocused = null; } } boolean handled = false; View nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction); if (nextFocused != null && nextFocused != currentFocused) { if (direction == View.FOCUS_LEFT) { // If there is nothing to the left, or this is causing us to // jump to the right, then what we really want to do is page left. final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left; final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left; if (currentFocused != null && nextLeft >= currLeft) { handled = pageLeft(); } else { handled = nextFocused.requestFocus(); } } else if (direction == View.FOCUS_RIGHT) { // If there is nothing to the right, or this is causing us to // jump to the left, then what we really want to do is page right. final int nextLeft = getChildRectInPagerCoordinates(mTempRect, nextFocused).left; final int currLeft = getChildRectInPagerCoordinates(mTempRect, currentFocused).left; if (currentFocused != null && nextLeft <= currLeft) { handled = pageRight(); } else { handled = nextFocused.requestFocus(); } } } else if (direction == FOCUS_LEFT || direction == FOCUS_BACKWARD) { // Trying to move left and nothing there; try to page. handled = pageLeft(); } else if (direction == FOCUS_RIGHT || direction == FOCUS_FORWARD) { // Trying to move right and nothing there; try to page. handled = pageRight(); } if (handled) { playSoundEffect(SoundEffectConstants.getContantForFocusDirection(direction)); } return handled; }
From source file:com.transitionseverywhere.Transition.java
/** * Recursive method which captures values for an entire view hierarchy, * starting at some root view. Transitions without targetIDs will use this * method to capture values for all possible views. * * @param view The view for which to capture values. Children of this View * will also be captured, recursively down to the leaf nodes. * @param start true if values are being captured in the start scene, false * otherwise.//from w w w. ja v a 2s .c o m */ private void captureHierarchy(View view, boolean start) { if (view == null) { return; } int id = view.getId(); if (mTargetIdExcludes != null && mTargetIdExcludes.contains(id)) { return; } if (mTargetExcludes != null && mTargetExcludes.contains(view)) { return; } if (mTargetTypeExcludes != null) { int numTypes = mTargetTypeExcludes.size(); for (int i = 0; i < numTypes; ++i) { if (mTargetTypeExcludes.get(i).isInstance(view)) { return; } } } if (view.getParent() instanceof ViewGroup) { TransitionValues values = new TransitionValues(); values.view = view; if (start) { captureStartValues(values); } else { captureEndValues(values); } values.targetedTransitions.add(this); capturePropagationValues(values); if (start) { addViewValues(mStartValues, view, values); } else { addViewValues(mEndValues, view, values); } } if (view instanceof ViewGroup) { // Don't traverse child hierarchy if there are any child-excludes on this view if (mTargetIdChildExcludes != null && mTargetIdChildExcludes.contains(id)) { return; } if (mTargetChildExcludes != null && mTargetChildExcludes.contains(view)) { return; } if (mTargetTypeChildExcludes != null) { int numTypes = mTargetTypeChildExcludes.size(); for (int i = 0; i < numTypes; ++i) { if (mTargetTypeChildExcludes.get(i).isInstance(view)) { return; } } } ViewGroup parent = (ViewGroup) view; for (int i = 0; i < parent.getChildCount(); ++i) { captureHierarchy(parent.getChildAt(i), start); } } }
From source file:cn.iterlog.myapplication.widget.overscroll.StaggeredGridView.java
/** * Should be called with mPopulating set to true * * @param fromPosition Position to start filling from * @param overhang the number of extra pixels to fill beyond the current top edge * @return the max overhang beyond the beginning of the view of any added items at the top *///from w w w.j a va2 s. c om final int fillUp(int fromPosition, int overhang) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; final int gridTop = getPaddingTop(); final int fillTo = gridTop - overhang; int nextCol = getNextColumnUp(); int position = fromPosition; while (nextCol >= 0 && mItemTops[nextCol] > fillTo && position >= 0) { // make sure the nextCol is correct. check to see if has been mapped // otherwise stick to getNextColumnUp() Integer positionInt = Integer.valueOf(position); if (!mColMappings.get(nextCol).contains(positionInt)) { for (int i = 0; i < mColMappings.size(); i++) { if (mColMappings.get(i).contains(positionInt)) { nextCol = i; break; } } } // displayMapping(); final View child = obtainView(position, null); if (child == null) continue; LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp == null) { lp = this.generateDefaultLayoutParams(); child.setLayoutParams(lp); } if (child.getParent() != this) { if (mInLayout) { addViewInLayout(child, 0, lp); } else { addView(child, 0); } } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); LayoutRecord rec; if (span > 1) { rec = getNextRecordUp(position, span); // nextCol = rec.column; } else { rec = mLayoutRecords.get(position); } boolean invalidateBefore = false; if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); rec.column = nextCol; rec.span = span; } else if (span != rec.span) { rec.span = span; rec.column = nextCol; invalidateBefore = true; } else { // nextCol = rec.column; } if (mHasStableIds) { final long id = mAdapter.getItemId(position); rec.id = id; lp.id = id; } lp.column = nextCol; final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); final int childHeight = child.getMeasuredHeight(); if (invalidateBefore || (childHeight != rec.height && rec.height > 0)) { invalidateLayoutRecordsBeforePosition(position); } rec.height = childHeight; int itemTop = mItemTops[nextCol]; final int startFrom; if (span > 1) { int highest = mItemTops[nextCol]; for (int i = nextCol + 1; i < nextCol + span; i++) { final int top = mItemTops[i]; if (top < highest) { highest = top; } } startFrom = highest; } else { startFrom = mItemTops[nextCol]; } int childBottom = startFrom; int childTop = childBottom - childHeight; final int childLeft = paddingLeft + nextCol * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); // if(position == 0){ // if(this.getChildCount()>1 && this.mColCount>1){ // childTop = this.getChildAt(1).getTop(); // childBottom = childTop + childHeight; // } // } child.layout(childLeft, childTop, childRight, childBottom); for (int i = nextCol; i < nextCol + span; i++) { mItemTops[i] = childTop - rec.getMarginAbove(i - nextCol) - itemMargin; } nextCol = getNextColumnUp(); mFirstPosition = position--; } int highestView = getHeight(); for (int i = 0; i < mColCount; i++) { final View child = getFirstChildAtColumn(i); if (child == null) { highestView = 0; break; } LayoutParams lp = (LayoutParams) child.getLayoutParams(); i += Math.max(lp.span, 1); final int top = child.getTop(); if (top < highestView) { highestView = top; } } return gridTop - highestView; }
From source file:com.biznow.ordernow.fragments.StaggeredGridView.java
/** * Should be called with mPopulating set to true * * @param fromPosition Position to start filling from * @param overhang the number of extra pixels to fill beyond the current top edge * @return the max overhang beyond the beginning of the view of any added items at the top *//*ww w . j a v a 2s . co m*/ final int fillUp(int fromPosition, int overhang) { final int paddingLeft = getPaddingLeft(); final int paddingRight = getPaddingRight(); final int itemMargin = mItemMargin; final int colWidth = (getWidth() - paddingLeft - paddingRight - itemMargin * (mColCount - 1)) / mColCount; mColWidth = colWidth; final int gridTop = getPaddingTop(); final int fillTo = gridTop - overhang; int nextCol = getNextColumnUp(); int position = fromPosition; while (nextCol >= 0 && mItemTops[nextCol] > fillTo && position >= 0) { // make sure the nextCol is correct. check to see if has been mapped // otherwise stick to getNextColumnUp() if (!mColMappings.get(nextCol).contains((Integer) position)) { for (int i = 0; i < mColMappings.size(); i++) { if (mColMappings.get(i).contains((Integer) position)) { nextCol = i; break; } } } // displayMapping(); final View child = obtainView(position, null); if (child == null) continue; LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp == null) { lp = this.generateDefaultLayoutParams(); child.setLayoutParams(lp); } if (child.getParent() != this) { if (mInLayout) { addViewInLayout(child, 0, lp); } else { addView(child, 0); } } final int span = Math.min(mColCount, lp.span); final int widthSize = colWidth * span + itemMargin * (span - 1); final int widthSpec = MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY); LayoutRecord rec; if (span > 1) { rec = getNextRecordUp(position, span); // nextCol = rec.column; } else { rec = mLayoutRecords.get(position); } boolean invalidateBefore = false; if (rec == null) { rec = new LayoutRecord(); mLayoutRecords.put(position, rec); rec.column = nextCol; rec.span = span; } else if (span != rec.span) { rec.span = span; rec.column = nextCol; invalidateBefore = true; } else { // nextCol = rec.column; } if (mHasStableIds) { final long id = mAdapter.getItemId(position); rec.id = id; lp.id = id; } lp.column = nextCol; final int heightSpec; if (lp.height == LayoutParams.WRAP_CONTENT) { heightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } else { heightSpec = MeasureSpec.makeMeasureSpec(lp.height, MeasureSpec.EXACTLY); } child.measure(widthSpec, heightSpec); final int childHeight = child.getMeasuredHeight(); if (invalidateBefore || (childHeight != rec.height && rec.height > 0)) { invalidateLayoutRecordsBeforePosition(position); } rec.height = childHeight; int itemTop = mItemTops[nextCol]; final int startFrom; if (span > 1) { int highest = mItemTops[nextCol]; for (int i = nextCol + 1; i < nextCol + span; i++) { final int top = mItemTops[i]; if (top < highest) { highest = top; } } startFrom = highest; } else { startFrom = mItemTops[nextCol]; } int childBottom = startFrom; int childTop = childBottom - childHeight; final int childLeft = paddingLeft + nextCol * (colWidth + itemMargin); final int childRight = childLeft + child.getMeasuredWidth(); // if(position == 0){ // if(this.getChildCount()>1 && this.mColCount>1){ // childTop = this.getChildAt(1).getTop(); // childBottom = childTop + childHeight; // } // } child.layout(childLeft, childTop, childRight, childBottom); for (int i = nextCol; i < nextCol + span; i++) { mItemTops[i] = childTop - rec.getMarginAbove(i - nextCol) - itemMargin; } nextCol = getNextColumnUp(); mFirstPosition = position--; } int highestView = getHeight(); for (int i = 0; i < mColCount; i++) { final View child = getFirstChildAtColumn(i); if (child == null) { highestView = 0; break; } LayoutParams lp = (LayoutParams) child.getLayoutParams(); i += Math.max(lp.span, 1); final int top = child.getTop(); if (top < highestView) { highestView = top; } } return gridTop - highestView; }
From source file:com.android.leanlauncher.CellLayout.java
public void markCellsAsOccupiedForView(View view, boolean[][] occupied) { if (view == null || view.getParent() != mShortcutsAndWidgets) return;//from w w w . j av a 2s . c o m LayoutParams lp = (LayoutParams) view.getLayoutParams(); markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, true); }
From source file:com.android.leanlauncher.CellLayout.java
public void markCellsAsUnoccupiedForView(View view, boolean occupied[][]) { if (view == null || view.getParent() != mShortcutsAndWidgets) return;/* w w w .java2s .c om*/ LayoutParams lp = (LayoutParams) view.getLayoutParams(); markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, false); }
From source file:cl.gisred.android.CatastroActivity.java
private View getLayoutContenedor(View v) { if (v.getClass().equals(LinearLayout.class)) return v; else//from www.j a v a2s.c o m return getLayoutContenedor((View) v.getParent()); }