Example usage for android.view View layout

Introduction

In this page you can find the example usage for android.view View layout.

Prototype

@SuppressWarnings({ "unchecked" })
public void layout(int l, int t, int r, int b) 

Source Link

Document

Assign a size and position to a view and all of its descendants

This is the second phase of the layout mechanism.

Usage

From source file:net.microtrash.clapcamera.Preview.java

@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    Log.d(TAG, "onSizeChanged() " + w + " " + h);
    fullWidth = w;/*from  w w w  . jav a2s.  com*/
    fullHeight = h;
    if (fullWidth < fullHeight) {
        int tmp = fullHeight;
        fullHeight = fullWidth;
        fullWidth = tmp;
        Log.d(TAG, "switched:" + fullWidth + "x" + fullHeight);
    } else {
        Log.d(TAG, "fullSize:" + fullWidth + "x" + fullHeight);
    }
    if (this.camera != null) {
        this.setCameraPreviewSize();
        this.setCameraPictureSize();
        if (getChildCount() > 0) {
            final View child = getChildAt(0);
            Log.d(TAG, "r:" + this.getPreviewRight() + " l:" + this.getPreviewLeft() + " b:"
                    + this.getPreviewBottom() + " t:" + this.getPreviewTop());
            child.layout(this.getPreviewLeft(), this.getPreviewTop(), this.getPreviewRight(),
                    this.getPreviewBottom());
            cb.previewReady(getPreviewLeft(), getPreviewTop(), getPreviewRight() - getPreviewLeft(),
                    getPreviewBottom() - getPreviewTop(), getBestPictureSize().width,
                    getBestPictureSize().height, (int) downscalingFactor, allResolutions);

        }
    }

    super.onSizeChanged(w, h, oldw, oldh);
}

---

From source file:xiaofei.library.gridlayout.GridLayout.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    final int count = getChildCount();
    final int paddingLeft = getPaddingLeft();
    final int paddingRight = getPaddingRight();
    final int paddingTop = getPaddingTop();
    final int paddingBottom = getPaddingBottom();
    final int numRows = mNumRows;
    final int numColumns = mNumColumns;
    final int horizontalSpacing = mHorizontalSpacing;
    final int verticalSpacing = mVerticalSpacing;
    final int childWidth = (getMeasuredWidth() - paddingLeft - paddingRight
            - horizontalSpacing * (numColumns - 1)) / numColumns;
    final int childHeight = (getMeasuredHeight() - paddingTop - paddingBottom - verticalSpacing * (numRows - 1))
            / numRows;// w  ww. ja v  a2  s.c o m
    for (int i = 0; i < count; ++i) {
        final View child = getChildAt(i);
        final int row = i / numColumns;
        final int column = i % numColumns;
        if (child.getVisibility() != View.GONE) {
            final int childLeft = paddingLeft + column * (childWidth + horizontalSpacing);
            final int childTop = paddingTop + row * (childHeight + verticalSpacing);
            final int tmpWidth = Math.max(childWidth, child.getMeasuredWidth());
            final int tmpHeight = Math.max(childHeight, child.getMeasuredHeight());
            child.layout(childLeft, childTop, childLeft + tmpWidth, childTop + tmpHeight);
        }
    }
}

---

From source file:android.support.v7.widget.ActionBarContainer.java

@Override
public void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);

    final View tabContainer = mTabContainer;
    final boolean hasTabs = tabContainer != null && tabContainer.getVisibility() != GONE;

    if (tabContainer != null && tabContainer.getVisibility() != GONE) {
        final int containerHeight = getMeasuredHeight();
        final LayoutParams lp = (LayoutParams) tabContainer.getLayoutParams();
        final int tabHeight = tabContainer.getMeasuredHeight();
        tabContainer.layout(l, containerHeight - tabHeight - lp.bottomMargin, r,
                containerHeight - lp.bottomMargin);
    }/*from   w  w  w. j  av  a2s  .c o m*/

    boolean needsInvalidate = false;
    if (mIsSplit) {
        if (mSplitBackground != null) {
            mSplitBackground.setBounds(0, 0, getMeasuredWidth(), getMeasuredHeight());
            needsInvalidate = true;
        }
    } else {
        if (mBackground != null) {
            if (mActionBarView.getVisibility() == View.VISIBLE) {
                mBackground.setBounds(mActionBarView.getLeft(), mActionBarView.getTop(),
                        mActionBarView.getRight(), mActionBarView.getBottom());
            } else if (mContextView != null && mContextView.getVisibility() == View.VISIBLE) {
                mBackground.setBounds(mContextView.getLeft(), mContextView.getTop(), mContextView.getRight(),
                        mContextView.getBottom());
            } else {
                mBackground.setBounds(0, 0, 0, 0);
            }
            needsInvalidate = true;
        }
        mIsStacked = hasTabs;
        if (hasTabs && mStackedBackground != null) {
            mStackedBackground.setBounds(tabContainer.getLeft(), tabContainer.getTop(), tabContainer.getRight(),
                    tabContainer.getBottom());
            needsInvalidate = true;
        }
    }

    if (needsInvalidate) {
        invalidate();
    }
}

---

From source file:com.example.expand.test.testfeature.view.SwipeRefreshLayout.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    final int width = getMeasuredWidth();
    final int height = getMeasuredHeight();
    //        mProgressBar.setBounds(0, 0, width, mProgressBarHeight);
    if (getChildCount() == 0) {
        return;/*w ww .  j  av  a2 s .  c o m*/
    }
    final View child = getChildAt(0);
    final int childLeft = getPaddingLeft();
    final int childTop = mCurrentTargetOffsetTop + getPaddingTop();
    final int childWidth = width - getPaddingLeft() - getPaddingRight();
    final int childHeight = height - getPaddingTop() - getPaddingBottom();
    child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
}

---

From source file:typical_if.android.SwipeRefreshLayout.SwipeRefreshLayout.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    final int width = getMeasuredWidth();
    final int height = getMeasuredHeight();
    //        mProgressBar.setBounds(0, 0, width, mProgressBarHeight);
    mProgressBar.setBounds(0, 0, width, ItemDataSetter.setInDp(48) + mProgressBarHeight);
    if (getChildCount() == 0) {
        return;/*  w  ww.  j a v a 2s . c om*/
    }
    final View child = getChildAt(0);
    final int childLeft = getPaddingLeft();
    final int childTop = mCurrentTargetOffsetTop + getPaddingTop();
    final int childWidth = width - getPaddingLeft() - getPaddingRight();
    final int childHeight = height - getPaddingTop() - getPaddingBottom();
    child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
}

---

From source file:com.android.mail.browse.ConversationItemView.java

private static void layoutViewExactly(View v, int w, int h) {
    v.measure(makeExactSpecForSize(w), makeExactSpecForSize(h));
    v.layout(0, 0, w, h);
}

---

From source file:cn.bvin.app.swiperefresh.OldSwipeRefreshLayout.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    final int width = getMeasuredWidth();
    final int height = getMeasuredHeight();
    mProgressBar.setBounds(0, 0, width, mProgressBarHeight);
    if (getChildCount() == 0) {
        return;/*  ww w.j  a va 2  s  .c  om*/
    }
    final View child = getChildAt(0);
    final int childLeft = getPaddingLeft();
    final int childTop = mCurrentTargetOffsetTop + getPaddingTop();
    final int childWidth = width - getPaddingLeft() - getPaddingRight();
    final int childHeight = height - getPaddingTop() - getPaddingBottom();
    child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
}

---

From source file:com.taobao.weex.ui.view.listview.BaseBounceView.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    View child0 = getChildAt(0);
    int paddingLeft, paddingTop, childRight;
    paddingLeft = getPaddingLeft();//from  ww w  .j a  v  a  2s  . co  m
    paddingTop = getPaddingTop();
    childRight = r - l - getPaddingRight();
    if (child0 != null) {
        child0.layout(paddingLeft, paddingTop, childRight, b - t - paddingTop);
    }
    View child1 = getChildAt(1);
    if (child1 != null) {
        int h = child1.getMeasuredHeight();
        child1.layout(paddingLeft, -h, childRight, 0);
    }
    View child2 = getChildAt(2);
    if (child2 != null) {
        int h = child2.getMeasuredHeight();
        child2.layout(paddingLeft, b, childRight, b + h);
    }
}

---

From source file:cn.liuguangqiang.swipeback.SwipeBackLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    int width = getMeasuredWidth();
    int height = getMeasuredHeight();
    if (getChildCount() == 0)
        return;//  w  w w.j a v a 2s .  c o m

    View child = getChildAt(0);

    int childWidth = width - getPaddingLeft() - getPaddingRight();
    int childHeight = height - getPaddingTop() - getPaddingBottom();
    int childLeft = getPaddingLeft();
    int childTop = getPaddingTop();
    int childRight = childLeft + childWidth;
    int childBottom = childTop + childHeight;
    child.layout(childLeft, childTop, childRight, childBottom);
}

---

From source file:am.widget.tabstrip.HorizontalLinearTabStripLayout.java

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    final int paddingStart = ViewCompat.getPaddingStart(this);
    final int paddingTop = getPaddingTop();
    final int childWidth = mChildWidth;
    final int childHeight = mChildHeight;
    final boolean show = isShowingDividers();
    final int divider = show ? mDivider.getIntrinsicWidth() : 0;
    final int count = getChildCount();
    int start = paddingStart;
    if (show && (mShowDividers & SHOW_DIVIDER_BEGINNING) == SHOW_DIVIDER_BEGINNING) {
        start += divider;/*from w  w  w .  j av a 2  s .c  o m*/
    }
    final boolean middle = (mShowDividers & SHOW_DIVIDER_MIDDLE) == SHOW_DIVIDER_MIDDLE;
    for (int i = 0; i < count; i++) {
        final View child = getChildAt(i);
        if (i == count - 1) {
            final int right;
            if (show && (mShowDividers & SHOW_DIVIDER_END) == SHOW_DIVIDER_END)
                right = getWidth() - ViewCompat.getPaddingEnd(this) - divider;
            else
                right = getWidth() - ViewCompat.getPaddingEnd(this);
            child.layout(start, paddingTop, right, paddingTop + childHeight);
            break;
        } else {
            child.layout(start, paddingTop, start + childWidth, paddingTop + childHeight);
        }
        start += childWidth;
        if (count % 2 == 0 && i == (count / 2) - 1 && mCenter != null) {
            start += mCenter.getIntrinsicWidth();
            if (show && middle && mCenterAsItem)
                start = start + divider + divider;
        } else {
            if (show && middle)
                start += divider;
        }
    }
}

---

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