Example usage for android.view Gravity HORIZONTAL_GRAVITY_MASK

Introduction

In this page you can find the example usage for android.view Gravity HORIZONTAL_GRAVITY_MASK.

Prototype

int HORIZONTAL_GRAVITY_MASK

To view the source code for android.view Gravity HORIZONTAL_GRAVITY_MASK.

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Document

Binary mask to get the absolute horizontal gravity of a gravity.

Usage

From source file:com.actionbarsherlock.internal.widget.IcsSpinner.java

/**
 * Creates and positions all views for this Spinner.
 *
 * @param delta Change in the selected position. +1 moves selection is moving to the right,
 * so views are scrolling to the left. -1 means selection is moving to the left.
 *//*from   w  w  w . j a  v a  2 s.c  om*/
@Override
void layout(int delta, boolean animate) {
    int childrenLeft = mSpinnerPadding.left;
    int childrenWidth = getRight() - getLeft() - mSpinnerPadding.left - mSpinnerPadding.right;

    if (mDataChanged) {
        handleDataChanged();
    }

    // Handle the empty set by removing all views
    if (mItemCount == 0) {
        resetList();
        return;
    }

    if (mNextSelectedPosition >= 0) {
        setSelectedPositionInt(mNextSelectedPosition);
    }

    recycleAllViews();

    // Clear out old views
    removeAllViewsInLayout();

    // Make selected view and position it
    mFirstPosition = mSelectedPosition;
    View sel = makeAndAddView(mSelectedPosition);
    int width = sel.getMeasuredWidth();
    int selectedOffset = childrenLeft;
    switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        selectedOffset = childrenLeft + (childrenWidth / 2) - (width / 2);
        break;
    case Gravity.RIGHT:
        selectedOffset = childrenLeft + childrenWidth - width;
        break;
    }
    sel.offsetLeftAndRight(selectedOffset);

    // Flush any cached views that did not get reused above
    mRecycler.clear();

    invalidate();

    checkSelectionChanged();

    mDataChanged = false;
    mNeedSync = false;
    setNextSelectedPositionInt(mSelectedPosition);
}

---

From source file:android.support.designox.widget.CollapsingTextHelper.java

private void calculateBaseOffsets() {
    final float currentTextSize = mCurrentTextSize;

    // We then calculate the collapsed text size, using the same logic
    calculateUsingTextSize(mCollapsedTextSize);
    float width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int collapsedAbsGravity = GravityCompat.getAbsoluteGravity(mCollapsedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (collapsedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mCollapsedDrawY = mCollapsedBounds.bottom;
        break;/*from  w  ww . j ava  2 s . c  om*/
    case Gravity.TOP:
        mCollapsedDrawY = mCollapsedBounds.top - mTextPaint.ascent();
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mCollapsedDrawY = mCollapsedBounds.centerY() + textOffset;
        break;
    }
    switch (collapsedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mCollapsedDrawX = mCollapsedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mCollapsedDrawX = mCollapsedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mCollapsedDrawX = mCollapsedBounds.left;
        break;
    }

    calculateUsingTextSize(mExpandedTextSize);
    width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int expandedAbsGravity = GravityCompat.getAbsoluteGravity(mExpandedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (expandedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mExpandedDrawY = mExpandedBounds.bottom;
        break;
    case Gravity.TOP:
        mExpandedDrawY = mExpandedBounds.top - mTextPaint.ascent();
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mExpandedDrawY = mExpandedBounds.centerY() + textOffset;
        break;
    }
    switch (expandedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mExpandedDrawX = mExpandedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mExpandedDrawX = mExpandedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mExpandedDrawX = mExpandedBounds.left;
        break;
    }

    // The bounds have changed so we need to clear the texture
    clearTexture();
    // Now reset the text size back to the original
    setInterpolatedTextSize(currentTextSize);
}

---

From source file:com.amitupadhyay.aboutexample.util.CollapsingTextHelper.java

private void calculateBaseOffsets() {
    // We then calculate the collapsed text size, using the same logic
    mTextPaint.setTextSize(mCollapsedTextSize);
    float width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int collapsedAbsGravity = GravityCompat.getAbsoluteGravity(mCollapsedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (collapsedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mCollapsedDrawY = mCollapsedBounds.bottom;
        break;/*from   w  w w  .j a v a 2  s. c  om*/
    case Gravity.TOP:
        mCollapsedDrawY = mCollapsedBounds.top - mTextPaint.ascent();
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mCollapsedDrawY = mCollapsedBounds.centerY() + textOffset;
        break;
    }
    switch (collapsedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mCollapsedDrawX = mCollapsedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mCollapsedDrawX = mCollapsedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mCollapsedDrawX = mCollapsedBounds.left;
        break;
    }
    mTextPaint.setTextSize(mExpandedTextSize);
    width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int expandedAbsGravity = GravityCompat.getAbsoluteGravity(mExpandedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (expandedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mExpandedDrawY = mExpandedBounds.bottom;
        break;
    case Gravity.TOP:
        mExpandedDrawY = mExpandedBounds.top - mTextPaint.ascent();
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mExpandedDrawY = mExpandedBounds.centerY() + textOffset;
        break;
    }
    switch (expandedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mExpandedDrawX = mExpandedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mExpandedDrawX = mExpandedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mExpandedDrawX = mExpandedBounds.left;
        break;
    }
    // The bounds have changed so we need to clear the texture
    clearTexture();
}

---

From source file:android.support.v7.internal.widget.SpinnerCompat.java

/**
 * Describes how the selected item view is positioned. Currently only the horizontal component
 * is used. The default is determined by the current theme.
 *
 * @param gravity See {@link android.view.Gravity}
 *///from   w w w .  ja  v a2 s .  c o  m
public void setGravity(int gravity) {
    if (mGravity != gravity) {
        if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == 0) {
            gravity |= GravityCompat.START;
        }
        mGravity = gravity;
        requestLayout();
    }
}

---

From source file:com.tr4android.support.extension.widget.CollapsingTextHelper.java

private void calculateBaseOffsets() {
    final float currentTextSize = mCurrentTextSize;

    // We then calculate the collapsed text size, using the same logic
    calculateUsingTextSize(mCollapsedTextSize);
    mCollapsedTextHeight = -mTextPaint.ascent();
    float width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int collapsedAbsGravity = GravityCompat.getAbsoluteGravity(mCollapsedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (collapsedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mCollapsedDrawY = mCollapsedBounds.bottom - mCollapsedTextOffsetBottom;
        break;//from w  w  w  .  j a  v  a  2  s  .  com
    case Gravity.TOP:
        mCollapsedDrawY = mCollapsedBounds.top - mTextPaint.ascent() + mCollapsedTextOffsetTop;
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mCollapsedDrawY = mCollapsedBounds.centerY() + textOffset - (mCollapsedTextOffsetBottom / 2)
                + (mCollapsedTextOffsetTop / 2);
        break;
    }
    switch (collapsedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mCollapsedDrawX = mCollapsedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mCollapsedDrawX = mCollapsedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mCollapsedDrawX = mCollapsedBounds.left;
        break;
    }

    calculateUsingTextSize(mExpandedTextSize);
    mExpandedTextHeight = -mTextPaint.ascent();
    width = mTextToDraw != null ? mTextPaint.measureText(mTextToDraw, 0, mTextToDraw.length()) : 0;
    final int expandedAbsGravity = GravityCompat.getAbsoluteGravity(mExpandedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (expandedAbsGravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.BOTTOM:
        mExpandedDrawY = mExpandedBounds.bottom - mExpandedTextOffsetBottom;
        break;
    case Gravity.TOP:
        mExpandedDrawY = mExpandedBounds.top - mTextPaint.ascent() + mExpandedTextOffsetTop;
        break;
    case Gravity.CENTER_VERTICAL:
    default:
        float textHeight = mTextPaint.descent() - mTextPaint.ascent();
        float textOffset = (textHeight / 2) - mTextPaint.descent();
        mExpandedDrawY = mExpandedBounds.centerY() + textOffset - (mExpandedTextOffsetBottom / 2)
                + (mExpandedTextOffsetTop / 2);
        break;
    }
    switch (expandedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mExpandedDrawX = mExpandedBounds.centerX() - (width / 2);
        break;
    case Gravity.RIGHT:
        mExpandedDrawX = mExpandedBounds.right - width;
        break;
    case Gravity.LEFT:
    default:
        mExpandedDrawX = mExpandedBounds.left;
        break;
    }

    // The bounds have changed so we need to clear the texture
    clearTexture();
    // Now reset the text size back to the original
    setInterpolatedTextSize(currentTextSize);
}

---

From source file:net.grobas.widget.AutoLinearLayout.java

private void updateLeftPositionByGravity(ViewPosition pos, int size, int gravity) {
    switch (gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case GravityCompat.END:
        pos.left += (size > 0) ? size : 0;
        break;//  ww  w  . j  a va  2  s  .c om

    case Gravity.CENTER_HORIZONTAL:
        pos.left += ((size > 0) ? size : 0) / 2;
        break;
    }
}

---

From source file:com.quran.labs.androidquran.widgets.spinner.SpinnerCompat.java

/**
 * Creates and positions all views for this Spinner.
 *
 * @param delta Change in the selected position. +1 means selection is moving to the right, so
 *              views are scrolling to the left. -1 means selection is moving to the left.
 *//*from   ww  w.  j a va  2s.co m*/
@SuppressLint("RtlHardcoded")
@Override
void layout(int delta, boolean animate) {
    int childrenLeft = mSpinnerPadding.left;
    int childrenWidth = getRight() - getLeft() - mSpinnerPadding.left - mSpinnerPadding.right;

    if (mDataChanged) {
        handleDataChanged();
    }

    // Handle the empty set by removing all views
    if (mItemCount == 0) {
        resetList();
        return;
    }

    if (mNextSelectedPosition >= 0) {
        setSelectedPositionInt(mNextSelectedPosition);
    }

    recycleAllViews();

    // Clear out old views
    removeAllViewsInLayout();

    // Make selected view and position it
    mFirstPosition = mSelectedPosition;
    if (mAdapter != null) {
        View sel = makeView(mSelectedPosition, true);
        int width = sel.getMeasuredWidth();
        int selectedOffset = childrenLeft;
        final int layoutDirection = ViewCompat.getLayoutDirection(this);
        final int absoluteGravity = GravityCompat.getAbsoluteGravity(mGravity, layoutDirection);
        switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
        case Gravity.CENTER_HORIZONTAL:
            selectedOffset = childrenLeft + (childrenWidth / 2) - (width / 2);
            break;
        case Gravity.RIGHT:
            selectedOffset = childrenLeft + childrenWidth - width;
            break;
        }
        sel.offsetLeftAndRight(selectedOffset);
    }

    // Flush any cached views that did not get reused above
    mRecycler.clear();

    invalidate();

    checkSelectionChanged();

    mDataChanged = false;
    mNeedSync = false;
    setNextSelectedPositionInt(mSelectedPosition);
}

---

From source file:android.support.v7.internal.widget.SpinnerCompat.java

/**
 * Creates and positions all views for this Spinner.
 *
 * @param delta Change in the selected position. +1 means selection is moving to the right, so
 *              views are scrolling to the left. -1 means selection is moving to the left.
 *//* w w  w. j av  a  2 s  . c  om*/
@Override
void layout(int delta, boolean animate) {
    int childrenLeft = mSpinnerPadding.left;
    int childrenWidth = getRight() - getLeft() - mSpinnerPadding.left - mSpinnerPadding.right;

    if (mDataChanged) {
        handleDataChanged();
    }

    // Handle the empty set by removing all views
    if (mItemCount == 0) {
        resetList();
        return;
    }

    if (mNextSelectedPosition >= 0) {
        setSelectedPositionInt(mNextSelectedPosition);
    }

    recycleAllViews();

    // Clear out old views
    removeAllViewsInLayout();

    // Make selected view and position it
    mFirstPosition = mSelectedPosition;
    if (mAdapter != null) {
        View sel = makeView(mSelectedPosition, true);
        int width = sel.getMeasuredWidth();
        int selectedOffset = childrenLeft;
        final int layoutDirection = ViewCompat.getLayoutDirection(this);
        final int absoluteGravity = GravityCompat.getAbsoluteGravity(mGravity, layoutDirection);
        switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
        case Gravity.CENTER_HORIZONTAL:
            selectedOffset = childrenLeft + (childrenWidth / 2) - (width / 2);
            break;
        case Gravity.RIGHT:
            selectedOffset = childrenLeft + childrenWidth - width;
            break;
        }
        sel.offsetLeftAndRight(selectedOffset);
    }

    // Flush any cached views that did not get reused above
    mRecycler.clear();

    invalidate();

    checkSelectionChanged();

    mDataChanged = false;
    mNeedSync = false;
    setNextSelectedPositionInt(mSelectedPosition);
}

---

From source file:com.muzakki.ahmad.widget.CollapsingTextHelper.java

private void calculateBaseOffsets() {
    final float currentTextSize = mCurrentTextSize;

    // We then calculate the collapsed text size, using the same logic
    calculateUsingTextSize(mCollapsedTextSize);
    calculateUsingSubSize(mCollapsedSubSize);

    float textHeight = mTextPaint.descent() - mTextPaint.ascent();
    float textOffset = (textHeight / 2);
    if (mSub != null) {
        float subHeight = mSubPaint.descent() - mSubPaint.ascent();
        float subOffset = (subHeight / 2) - mSubPaint.descent();
        float offset = ((mCollapsedBounds.height() - (textHeight + subHeight)) / 3);

        mCollapsedDrawY = mCollapsedBounds.top + offset - mTextPaint.ascent();
        mCollapsedSubY = mCollapsedBounds.top + (offset * 2) + textHeight - mSubPaint.ascent();
    } else { // title only
        mCollapsedDrawY = mCollapsedBounds.centerY() + textOffset;
    }//from  w  w w .j a v  a2  s .  c om

    float width = mText != null ? mTextPaint.measureText(mText, 0, mText.length()) : 0;
    float subWidth = mSub != null ? mSubPaint.measureText(mSub, 0, mSub.length()) : 0;
    final int collapsedAbsGravity = GravityCompat.getAbsoluteGravity(mCollapsedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);

    switch (collapsedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mCollapsedDrawX = mCollapsedBounds.centerX() - (width / 2);
        mCollapsedDrawSubX = mCollapsedBounds.centerX() - (subWidth / 2);
        break;
    case Gravity.RIGHT:
        mCollapsedDrawX = mCollapsedBounds.right - width;
        mCollapsedDrawSubX = mCollapsedBounds.right - subWidth;
        break;
    case Gravity.LEFT:
    default:
        mCollapsedDrawX = mCollapsedBounds.left;
        mCollapsedDrawSubX = mCollapsedBounds.left;
        break;
    }

    calculateUsingTextSize(mExpandedTextSize);
    calculateUsingSubSize(mExpandedSubSize);

    textHeight = mTextPaint.descent() - mTextPaint.ascent();
    textOffset = (textHeight / 2);
    if (mSub != null) {
        float subHeight = mSubPaint.descent() - mSubPaint.ascent();
        float subOffset = (subHeight / 2);

        mExpandedDrawY = mExpandedBounds.centerY() + textOffset;
        mExpandedSubY = mExpandedDrawY + subOffset - mSubPaint.ascent();
    } else { // title only
        mExpandedDrawY = mExpandedBounds.centerY() + textOffset;
    }

    width = mText != null ? mTextPaint.measureText(mText, 0, mText.length()) : 0;
    subWidth = mSub != null ? mSubPaint.measureText(mSub, 0, mSub.length()) : 0;
    final int expandedAbsGravity = GravityCompat.getAbsoluteGravity(mExpandedTextGravity,
            mIsRtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
    switch (expandedAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.CENTER_HORIZONTAL:
        mExpandedDrawX = mExpandedBounds.centerX() - (width / 2);
        mExpandedDrawSubX = mExpandedBounds.centerX() - (subWidth / 2);
        break;
    case Gravity.RIGHT:
        mExpandedDrawX = mExpandedBounds.right - width;
        mExpandedDrawSubX = mExpandedBounds.right - subWidth;
        break;
    case Gravity.LEFT:
    default:
        mExpandedDrawX = mExpandedBounds.left;
        mExpandedDrawSubX = mExpandedBounds.left;
        break;
    }

    // The bounds have changed so we need to clear the texture
    clearTexture();
    // Now reset the text size back to the original
    setInterpolatedTextSize(currentTextSize);
}

---

From source file:com.cyanogenmod.filemanager.ui.widgets.DrawerLayout.java

/**
 * @param gravity the gravity of the child to return. If specified as a
 *            relative value, it will be resolved according to the current
 *            layout direction.//from   w  ww .  j ava 2 s  .co  m
 * @return the drawer with the specified gravity
 */
View findDrawerWithGravity(int gravity) {
    final int absHorizGravity = Gravity.getAbsoluteGravity(gravity, this.getLayoutDirection())
            & Gravity.HORIZONTAL_GRAVITY_MASK;
    final int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = getChildAt(i);
        final int childAbsGravity = getDrawerViewAbsoluteGravity(child);
        if ((childAbsGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == absHorizGravity) {
            return child;
        }
    }
    return null;
}

---

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