/** @see android.widget.LinearLayout#onMeasure(int, int) */
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int count = getChildCount();
int maxHeight = 0;
int maxWidth = 0;
int childState = 0;
for (int i = 0; i < count; i++) {
final View child = getChildAt(i);
if (child.getVisibility() != GONE) {
measureChild(child, widthMeasureSpec, heightMeasureSpec);
maxWidth = Math.max(maxWidth, child.getMeasuredWidth());
maxHeight = Math.max(maxHeight, child.getMeasuredHeight());
childState =
ViewCompat.combineMeasuredStates(childState, ViewCompat.getMeasuredState(child));
}
}
// Check against our minimum height and width
maxHeight = Math.max(maxHeight, getSuggestedMinimumHeight());
maxWidth = Math.max(maxWidth, getSuggestedMinimumWidth());
setMeasuredDimension(
ViewCompat.resolveSizeAndState(maxWidth, widthMeasureSpec, childState),
ViewCompat.resolveSizeAndState(
maxHeight, heightMeasureSpec, childState << ViewCompat.MEASURED_HEIGHT_STATE_SHIFT));
if (count > 1) {
for (int i = 0; i < count; i++) {
final View child = getChildAt(i);
final LayoutParams lp = child.getLayoutParams();
final int childWidthMeasureSpec;
if (lp.width == LayoutParams.MATCH_PARENT) {
final int width = Math.max(0, getMeasuredWidth());
childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY);
} else {
childWidthMeasureSpec = getChildMeasureSpec(widthMeasureSpec, 0, lp.width);
}
final int childHeightMeasureSpec;
if (lp.height == LayoutParams.MATCH_PARENT) {
final int height = Math.max(0, getMeasuredHeight());
childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
} else {
childHeightMeasureSpec = getChildMeasureSpec(heightMeasureSpec, 0, lp.height);
}
child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
}
}
}
