@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int width;
int height;
if (mAction.getVisibility() == View.VISIBLE) {
mAction.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), heightMeasureSpec);
int padding = mIsRtl ? mText.getPaddingLeft() : mText.getPaddingRight();
mText.measure(
MeasureSpec.makeMeasureSpec(
widthSize - (mAction.getMeasuredWidth() - padding), widthMode),
heightMeasureSpec);
width = mText.getMeasuredWidth() + mAction.getMeasuredWidth() - padding;
} else {
mText.measure(MeasureSpec.makeMeasureSpec(widthSize, widthMode), heightMeasureSpec);
width = mText.getMeasuredWidth();
}
height = Math.max(mText.getMeasuredHeight(), mAction.getMeasuredHeight());
switch (widthMode) {
case MeasureSpec.AT_MOST:
width = Math.min(widthSize, width);
break;
case MeasureSpec.EXACTLY:
width = widthSize;
break;
}
switch (heightMode) {
case MeasureSpec.AT_MOST:
height = Math.min(heightSize, height);
break;
case MeasureSpec.EXACTLY:
height = heightSize;
break;
}
if (mMaxHeight > 0) height = Math.min(mMaxHeight, height);
if (mMinHeight > 0) height = Math.max(mMinHeight, height);
setMeasuredDimension(width, height);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int childLeft = getPaddingLeft();
int childRight = r - l - getPaddingRight();
int childTop = getPaddingTop();
int childBottom = b - t - getPaddingBottom();
if (mAction.getVisibility() == View.VISIBLE) {
if (mIsRtl) {
mAction.layout(childLeft, childTop, childLeft + mAction.getMeasuredWidth(), childBottom);
childLeft += mAction.getMeasuredWidth() - mText.getPaddingLeft();
} else {
mAction.layout(childRight - mAction.getMeasuredWidth(), childTop, childRight, childBottom);
childRight -= mAction.getMeasuredWidth() - mText.getPaddingRight();
}
}
mText.layout(childLeft, childTop, childRight, childBottom);
}
/**
* Set the vertical padding between this SnackBar and it's text and button.
*
* @param padding
* @return This SnackBar for chaining methods.
*/
public SnackBar verticalPadding(int padding) {
mText.setPadding(mText.getPaddingLeft(), padding, mText.getPaddingRight(), padding);
mAction.setPadding(mAction.getPaddingLeft(), padding, mAction.getPaddingRight(), padding);
return this;
}
private void setMarginParams(int margin, TextView textView) {
textView.setPadding(
textView.getPaddingLeft(), textView.getPaddingTop(), margin, textView.getPaddingBottom());
}