List of usage examples for android.view Gravity LEFT
int LEFT
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From source file:com.example.sky.test.view.ViewPager.java
@Override protected void onLayout(boolean changed, int l, int t, int r, int b) { final int count = getChildCount(); int width = r - l; int height = b - t; int paddingLeft = getPaddingLeft(); int paddingTop = getPaddingTop(); int paddingRight = getPaddingRight(); int paddingBottom = getPaddingBottom(); final int scrollX = getScrollX(); int decorCount = 0; // First pass - decor views. We need to do this in two passes so that // we have the proper offsets for non-decor views later. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final ViewPager.LayoutParams lp = (ViewPager.LayoutParams) child.getLayoutParams(); int childLeft = 0; int childTop = 0; if (lp.isDecor) { final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getMeasuredWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; }// w ww .j av a 2s.co m switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getMeasuredHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childLeft += scrollX; child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); decorCount++; } } } final int childWidth = width - paddingLeft - paddingRight; // Page views. Do this once we have the right padding offsets from above. for (int i = 0; i < count; i++) { final View child = getChildAt(i); if (child.getVisibility() != GONE) { final ViewPager.LayoutParams lp = (ViewPager.LayoutParams) child.getLayoutParams(); ItemInfo ii; if (!lp.isDecor && (ii = infoForChild(child)) != null) { int loff = (int) (childWidth * ii.offset); int childLeft = paddingLeft + loff; int childTop = paddingTop; if (lp.needsMeasure) { // This was added during layout and needs measurement. // Do it now that we know what we're working with. lp.needsMeasure = false; final int widthSpec = MeasureSpec.makeMeasureSpec((int) (childWidth * lp.widthFactor), MeasureSpec.EXACTLY); final int heightSpec = MeasureSpec .makeMeasureSpec((int) (height - paddingTop - paddingBottom), MeasureSpec.EXACTLY); child.measure(widthSpec, heightSpec); } if (DEBUG) { Log.v(TAG, "Positioning #" + i + " " + child + " f=" + ii.object + ":" + childLeft + "," + childTop + " " + child.getMeasuredWidth() + "x" + child.getMeasuredHeight()); } child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop + child.getMeasuredHeight()); } } } mTopPageBounds = paddingTop; mBottomPageBounds = height - paddingBottom; mDecorChildCount = decorCount; if (mFirstLayout) { scrollToItem(mCurItem, false, 0, false); } mFirstLayout = false; }
From source file:com.baiiu.autoloopviewpager.loopvp.LoopViewPager.java
/** * This method will be invoked when the current page is scrolled, either as * part of a programmatically initiated smooth scroll or a user initiated * touch scroll. If you override this method you must call through to the * superclass implementation (e.g. super.onPageScrolled(position, offset, * offsetPixels)) before onPageScrolled returns. * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at * position.// ww w.j a va 2s.c o m * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mOnPageChangeListeners != null) { for (int i = 0, z = mOnPageChangeListeners.size(); i < z; i++) { OnPageChangeListener listener = mOnPageChangeListeners.get(i); if (listener != null) { listener.onPageScrolled(position, offset, offsetPixels); } } } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } mCalledSuper = true; }
From source file:android.improving.utils.views.cardsview.OrientedViewPager.java
/** * This method will be invoked when the current page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns./* w w w . jav a 2 s . c o m*/ * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { if (mOrientation == Orientation.VERTICAL) { final int scrollY = getScrollY(); int paddingTop = getPaddingTop(); int paddingBottom = getPaddingBottom(); final int height = getHeight(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; int childTop = 0; switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childTop += scrollY; final int childOffset = childTop - child.getTop(); if (childOffset != 0) { child.offsetTopAndBottom(childOffset); } } } else { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mPageTransformer != null) { final int scroll = (mOrientation == Orientation.VERTICAL) ? getScrollY() : getScrollX(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; final float transformPos = (float) (((mOrientation == Orientation.VERTICAL) ? child.getTop() : child.getLeft()) - scroll) / getClientSize(); mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:com.isapp.android.circularviewpager.CircularViewPager.java
/** * This method will be invoked when the current page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns.// w w w . j a v a2s . com * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mPageTransformer != null) { final int scrollX = getScrollX(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; final float transformPos = (float) (child.getLeft() - scrollX) / getClientWidth(); mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:cn.androidy.materialdesignsample.ryanharterviewpager.ViewPager.java
/** * This method will be invoked when the current page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns.//w w w. j a v a2 s . c om * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { // TODO This is where I start getting tired. Refactor this better later. if (isOrientationHorizontal()) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } else { final int scrollY = getScrollY(); int paddingTop = getPaddingTop(); int paddingBottom = getPaddingBottom(); final int height = getHeight(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; int childTop = 0; switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childTop += scrollY; final int childOffset = childTop - child.getTop(); if (childOffset != 0) { child.offsetTopAndBottom(childOffset); } } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mPageTransformer != null) { final boolean horizontal = isOrientationHorizontal(); final int scroll = horizontal ? getScrollX() : getScrollY(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; float transformPos; if (horizontal) { transformPos = (float) (child.getLeft() - scroll) / getClientWidth(); } else { transformPos = (float) (child.getTop() - scroll) / getClientHeight(); } mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:au.com.glassechidna.velocityviewpager.VelocityViewPager.java
/** * This method will be invoked when the current page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns.// w w w . j a v a2 s. c o m * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } transformPages(); mCalledSuper = true; }
From source file:com.guide.ViewPager.java
/** * This method will be invoked when the current page is scrolled, either as * part of a programmatically initiated smooth scroll or a user initiated * touch scroll. If you override this method you must call through to the * superclass implementation (e.g. super.onPageScrolled(position, offset, * offsetPixels)) before onPageScrolled returns. * //from w w w .j a v a 2 s.c o m * @param position * Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset * Value from [0, 1) indicating the offset from the page at * position. * @param offsetPixels * Value in pixels indicating the offset from position. */ protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { // TODO This is where I start getting tired. Refactor this better // later. if (isOrientationHorizontal()) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } else { final int scrollY = getScrollY(); int paddingTop = getPaddingTop(); int paddingBottom = getPaddingBottom(); final int height = getHeight(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int vgrav = lp.gravity & Gravity.VERTICAL_GRAVITY_MASK; int childTop = 0; switch (vgrav) { default: childTop = paddingTop; break; case Gravity.TOP: childTop = paddingTop; paddingTop += child.getHeight(); break; case Gravity.CENTER_VERTICAL: childTop = Math.max((height - child.getMeasuredHeight()) / 2, paddingTop); break; case Gravity.BOTTOM: childTop = height - paddingBottom - child.getMeasuredHeight(); paddingBottom += child.getMeasuredHeight(); break; } childTop += scrollY; final int childOffset = childTop - child.getTop(); if (childOffset != 0) { child.offsetTopAndBottom(childOffset); } } } } if (mOnPageChangeListener != null) { mOnPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mInternalPageChangeListener != null) { mInternalPageChangeListener.onPageScrolled(position, offset, offsetPixels); } if (mPageTransformer != null) { final boolean horizontal = isOrientationHorizontal(); final int scroll = horizontal ? getScrollX() : getScrollY(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; float transformPos; if (horizontal) { transformPos = (float) (child.getLeft() - scroll) / getClientWidth(); } else { transformPos = (float) (child.getTop() - scroll) / getClientHeight(); } mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:com.anysoftkeyboard.keyboards.views.AnyKeyboardBaseView.java
private void onBufferDraw(Canvas canvas) { if (mKeyboardChanged) { invalidateAllKeys();//from w ww . ja v a2 s. c o m mKeyboardChanged = false; } canvas.getClipBounds(mDirtyRect); if (mKeyboard == null) return; final boolean drawKeyboardNameText = (mKeyboardNameTextSize > 1f) && AnyApplication.getConfig().getShowKeyboardNameText(); final boolean drawHintText = (mHintTextSize > 1) && AnyApplication.getConfig().getShowHintTextOnKeys(); // TODO: calls to AnyApplication.getConfig().getXXXXX() functions are // not yet implemented, // but need to when allowing preferences to override theme settings of // these values // right now just using what should be the default values for these // unimplemented preferences final boolean useCustomKeyTextColor = false; // TODO: final boolean useCustomKeyTextColor = // AnyApplication.getConfig().getUseCustomTextColorOnKeys(); final ColorStateList keyTextColor = useCustomKeyTextColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFF6666FF }) : mKeyTextColor; // TODO: ? AnyApplication.getConfig().getCustomKeyTextColorOnKeys() : // mKeyTextColor; final boolean useCustomHintColor = drawHintText && false; // TODO: final boolean useCustomHintColor = drawHintText && // AnyApplication.getConfig().getUseCustomHintColorOnKeys(); final ColorStateList hintColor = useCustomHintColor ? new ColorStateList(new int[][] { { 0 } }, new int[] { 0xFFFF6666 }) : mHintTextColor; // TODO: ? AnyApplication.getConfig().getCustomHintColorOnKeys() : // mHintTextColor; // allow preferences to override theme settings for hint text position final boolean useCustomHintAlign = drawHintText && AnyApplication.getConfig().getUseCustomHintAlign(); final int hintAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintAlign() : mHintLabelAlign; final int hintVAlign = useCustomHintAlign ? AnyApplication.getConfig().getCustomHintVAlign() : mHintLabelVAlign; final Paint paint = mPaint; final Drawable keyBackground = mKeyBackground; final Rect clipRegion = mClipRegion; final int kbdPaddingLeft = getPaddingLeft(); final int kbdPaddingTop = getPaddingTop(); final Key[] keys = mKeys; final Key invalidKey = mInvalidatedKey; boolean drawSingleKey = false; if (invalidKey != null && canvas.getClipBounds(clipRegion)) { // TODO we should use Rect.inset and Rect.contains here. // Is clipRegion completely contained within the invalidated key? if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left && invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top && invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right && invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) { drawSingleKey = true; } } final int keyCount = keys.length; for (int i = 0; i < keyCount; i++) { final AnyKey key = (AnyKey) keys[i]; final boolean keyIsSpace = isSpaceKey(key); if (drawSingleKey && (invalidKey != key)) { continue; } if (!mDirtyRect.intersects(key.x + kbdPaddingLeft, key.y + kbdPaddingTop, key.x + key.width + kbdPaddingLeft, key.y + key.height + kbdPaddingTop)) { continue; } int[] drawableState = key.getCurrentDrawableState(mDrawableStatesProvider); if (keyIsSpace) paint.setColor(mKeyboardNameTextColor.getColorForState(drawableState, 0xFF000000)); else paint.setColor(keyTextColor.getColorForState(drawableState, 0xFF000000)); keyBackground.setState(drawableState); // Switch the character to uppercase if shift is pressed CharSequence label = key.label == null ? null : adjustCase(key).toString(); final Rect bounds = keyBackground.getBounds(); if ((key.width != bounds.right) || (key.height != bounds.bottom)) { keyBackground.setBounds(0, 0, key.width, key.height); } canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop); keyBackground.draw(canvas); if (TextUtils.isEmpty(label)) { Drawable iconToDraw = getIconToDrawForKey(key, false); if (iconToDraw != null/* && shouldDrawIcon */) { //http://developer.android.com/reference/android/graphics/drawable/Drawable.html#getCurrent() //http://stackoverflow.com/a/103600/1324235 final boolean is9Patch = iconToDraw.getCurrent() instanceof NinePatchDrawable; // Special handing for the upper-right number hint icons final int drawableWidth; final int drawableHeight; final int drawableX; final int drawableY; drawableWidth = is9Patch ? key.width : iconToDraw.getIntrinsicWidth(); drawableHeight = is9Patch ? key.height : iconToDraw.getIntrinsicHeight(); drawableX = (key.width + mKeyBackgroundPadding.left - mKeyBackgroundPadding.right - drawableWidth) / 2; drawableY = (key.height + mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom - drawableHeight) / 2; canvas.translate(drawableX, drawableY); iconToDraw.setBounds(0, 0, drawableWidth, drawableHeight); iconToDraw.draw(canvas); canvas.translate(-drawableX, -drawableY); if (keyIsSpace && drawKeyboardNameText) { // now a little hack, I'll set the label now, so it get // drawn. label = mKeyboardName; } } else { // ho... no icon. // I'll try to guess the text label = guessLabelForKey(key.codes[0]); if (TextUtils.isEmpty(label)) { Log.w(TAG, "That's unfortunate, for key " + key.codes[0] + " at (" + key.x + ", " + key.y + ") there is no icon nor label. Action ID is " + mKeyboardActionType); } } } if (label != null) { // For characters, use large font. For labels like "Done", use // small font. final FontMetrics fm; if (keyIsSpace) { paint.setTextSize(mKeyboardNameTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mKeyboardNameFM == null) mKeyboardNameFM = paint.getFontMetrics(); fm = mKeyboardNameFM; } else if (label.length() > 1 && key.codes.length < 2) { paint.setTextSize(mLabelTextSize); paint.setTypeface(Typeface.DEFAULT_BOLD); if (mLabelFM == null) mLabelFM = paint.getFontMetrics(); fm = mLabelFM; } else { fm = setPaintToKeyText(paint); } final float labelHeight = -fm.top; // Draw a drop shadow for the text paint.setShadowLayer(mShadowRadius, mShadowOffsetX, mShadowOffsetY, mShadowColor); // (+)This is the trick to get RTL/LTR text correct // no matter what: StaticLayout // this should be in the top left corner of the key float textWidth = paint.measureText(label, 0, label.length()); // I'm going to try something if the key is too small for the // text: // 1) divide the text size by 1.5 // 2) if still too large, divide by 2.5 // 3) show no text if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Reducing by 1.5."); paint.setTextSize(mKeyTextSize / 1.5f); textWidth = paint.measureText(label, 0, label.length()); if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Reducing by 2.5."); paint.setTextSize(mKeyTextSize / 2.5f); textWidth = paint.measureText(label, 0, label.length()); if (textWidth > key.width) { Log.d(TAG, "Label '" + label + "' is too large for the key. Showing no text."); paint.setTextSize(0f); textWidth = paint.measureText(label, 0, label.length()); } } } // the center of the drawable space, which is value used // previously for vertically // positioning the key label final float centerY = mKeyBackgroundPadding.top + ((key.height - mKeyBackgroundPadding.top - mKeyBackgroundPadding.bottom) / (keyIsSpace ? 3 : 2));// the label on the space is a bit higher // the X coordinate for the center of the main label text is // unaffected by the hints final float centerX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; final float textX = centerX; final float textY; // Some devices (mostly pre-Honeycomb, have issues with RTL text // drawing. // Of course, there is no issue with a single character :) // so, we'll use the RTL secured drawing (via StaticLayout) for // labels. if (label.length() > 1 && !AnyApplication.getConfig().workaround_alwaysUseDrawText()) { // calculate Y coordinate of top of text based on center // location textY = centerY - ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); Log.d(TAG, "Using RTL fix for key draw '" + label + "'"); // RTL fix. But it costs, let do it when in need (more than // 1 character) StaticLayout labelText = new StaticLayout(label, new TextPaint(paint), (int) textWidth, Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); labelText.draw(canvas); } else { // to get Y coordinate of baseline from center of text, // first add half the height (to get to // bottom of text), then subtract the part below the // baseline. Note that fm.top is negative. textY = centerY + ((labelHeight - paint.descent()) / 2); canvas.translate(textX, textY); canvas.drawText(label, 0, label.length(), 0, 0, paint); } canvas.translate(-textX, -textY); // (-) // Turn off drop shadow paint.setShadowLayer(0, 0, 0, 0); } if (drawHintText) { if ((key.popupCharacters != null && key.popupCharacters.length() > 0) || (key.popupResId != 0) || (key.longPressCode != 0)) { Paint.Align oldAlign = paint.getTextAlign(); String hintText = null; if (key.hintLabel != null && key.hintLabel.length() > 0) { hintText = key.hintLabel.toString(); // it is the responsibility of the keyboard layout // designer to ensure that they do // not put too many characters in the hint label... } else if (key.longPressCode != 0) { if (Character.isLetterOrDigit(key.longPressCode)) hintText = Character.toString((char) key.longPressCode); } else if (key.popupCharacters != null) { final String hintString = key.popupCharacters.toString(); final int hintLength = hintString.length(); if (hintLength <= 3) hintText = hintString; } // if hintText is still null, it means it didn't fit one of // the above // cases, so we should provide the hint using the default if (hintText == null) { if (mHintOverflowLabel != null) hintText = mHintOverflowLabel.toString(); else { // theme does not provide a defaultHintLabel // use if hints are above, ... if hints are // below // (to avoid being too close to main label/icon) if (hintVAlign == Gravity.TOP) hintText = ""; else hintText = "..."; } } if (mKeyboard.isShifted()) hintText = hintText.toUpperCase(); // now draw hint paint.setTypeface(Typeface.DEFAULT); paint.setColor(hintColor.getColorForState(drawableState, 0xFF000000)); paint.setTextSize(mHintTextSize); // get the hint text font metrics so that we know the size // of the hint when // we try to position the main label (to try to make sure // they don't overlap) if (mHintTextFM == null) { mHintTextFM = paint.getFontMetrics(); } final float hintX; final float hintY; // the (float) 0.5 value is added or subtracted to just give // a little more room // in case the theme designer didn't account for the hint // label location if (hintAlign == Gravity.LEFT) { // left paint.setTextAlign(Paint.Align.LEFT); hintX = mKeyBackgroundPadding.left + (float) 0.5; } else if (hintAlign == Gravity.CENTER) { // center paint.setTextAlign(Paint.Align.CENTER); hintX = mKeyBackgroundPadding.left + (key.width - mKeyBackgroundPadding.left - mKeyBackgroundPadding.right) / 2; } else { // right paint.setTextAlign(Paint.Align.RIGHT); hintX = key.width - mKeyBackgroundPadding.right - (float) 0.5; } if (hintVAlign == Gravity.TOP) { // above hintY = mKeyBackgroundPadding.top - mHintTextFM.top + (float) 0.5; } else { // below hintY = key.height - mKeyBackgroundPadding.bottom - mHintTextFM.bottom - (float) 0.5; } canvas.drawText(hintText, hintX, hintY, paint); paint.setTextAlign(oldAlign); } } canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop); } mInvalidatedKey = null; // Overlay a dark rectangle to dim the keyboard if (mMiniKeyboard != null && mMiniKeyboardVisible) { paint.setColor((int) (mBackgroundDimAmount * 0xFF) << 24); canvas.drawRect(0, 0, getWidth(), getHeight(), paint); } if (FeaturesSet.DEBUG_LOG) { if (mShowTouchPoints) { for (PointerTracker tracker : mPointerTrackers) { int startX = tracker.getStartX(); int startY = tracker.getStartY(); int lastX = tracker.getLastX(); int lastY = tracker.getLastY(); paint.setAlpha(128); paint.setColor(0xFFFF0000); canvas.drawCircle(startX, startY, 3, paint); canvas.drawLine(startX, startY, lastX, lastY, paint); paint.setColor(0xFF0000FF); canvas.drawCircle(lastX, lastY, 3, paint); paint.setColor(0xFF00FF00); canvas.drawCircle((startX + lastX) / 2, (startY + lastY) / 2, 2, paint); } } } mDrawPending = false; mDirtyRect.setEmpty(); }
From source file:com.av.remusic.widget.RoundViewPager.java
/** * This method will be invoked when the currentPosition page is scrolled, either as part * of a programmatically initiated smooth scroll or a user initiated touch scroll. * If you override this method you must call through to the superclass implementation * (e.g. super.onPageScrolled(position, offset, offsetPixels)) before onPageScrolled * returns.//from ww w . j a v a 2s . c om * * @param position Position index of the first page currently being displayed. * Page position+1 will be visible if positionOffset is nonzero. * @param offset Value from [0, 1) indicating the offset from the page at position. * @param offsetPixels Value in pixels indicating the offset from position. */ @CallSuper protected void onPageScrolled(int position, float offset, int offsetPixels) { // Offset any decor views if needed - keep them on-screen at all times. if (mDecorChildCount > 0) { final int scrollX = getScrollX(); int paddingLeft = getPaddingLeft(); int paddingRight = getPaddingRight(); final int width = getWidth(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (!lp.isDecor) continue; final int hgrav = lp.gravity & Gravity.HORIZONTAL_GRAVITY_MASK; int childLeft = 0; switch (hgrav) { default: childLeft = paddingLeft; break; case Gravity.LEFT: childLeft = paddingLeft; paddingLeft += child.getWidth(); break; case Gravity.CENTER_HORIZONTAL: childLeft = Math.max((width - child.getMeasuredWidth()) / 2, paddingLeft); break; case Gravity.RIGHT: childLeft = width - paddingRight - child.getMeasuredWidth(); paddingRight += child.getMeasuredWidth(); break; } childLeft += scrollX; final int childOffset = childLeft - child.getLeft(); if (childOffset != 0) { child.offsetLeftAndRight(childOffset); } } } dispatchOnPageScrolled(position, offset, offsetPixels); if (mPageTransformer != null) { final int scrollX = getScrollX(); final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View child = getChildAt(i); final LayoutParams lp = (LayoutParams) child.getLayoutParams(); if (lp.isDecor) continue; final float transformPos = (float) (child.getLeft() - scrollX) / getClientWidth(); mPageTransformer.transformPage(child, transformPos); } } mCalledSuper = true; }
From source file:com.huangj.huangjlibrary.widget.drawerlayout.DrawerLayout.java
@Override protected void onRestoreInstanceState(Parcelable state) { if (!(state instanceof SavedState)) { super.onRestoreInstanceState(state); return;/*from ww w . ja v a 2s . com*/ } final SavedState ss = (SavedState) state; super.onRestoreInstanceState(ss.getSuperState()); if (ss.openDrawerGravity != Gravity.NO_GRAVITY) { final View toOpen = findDrawerWithGravity(ss.openDrawerGravity); if (toOpen != null) { openDrawer(toOpen); } } if (ss.lockModeLeft != LOCK_MODE_UNDEFINED) { setDrawerLockMode(ss.lockModeLeft, Gravity.LEFT); } if (ss.lockModeRight != LOCK_MODE_UNDEFINED) { setDrawerLockMode(ss.lockModeRight, Gravity.RIGHT); } if (ss.lockModeStart != LOCK_MODE_UNDEFINED) { setDrawerLockMode(ss.lockModeStart, GravityCompat.START); } if (ss.lockModeEnd != LOCK_MODE_UNDEFINED) { setDrawerLockMode(ss.lockModeEnd, GravityCompat.END); } }