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package com.android.gallery3d.filtershow;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View.MeasureSpec;
import android.widget.LinearLayout;
import com.android.gallery3d.R;
public class CenteredLinearLayout extends LinearLayout {
private final int mMaxWidth;
public CenteredLinearLayout(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.CenteredLinearLayout);
mMaxWidth = a.getDimensionPixelSize(R.styleable.CenteredLinearLayout_max_width, 0);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int parentWidth = MeasureSpec.getSize(widthMeasureSpec);
int parentHeight = MeasureSpec.getSize(heightMeasureSpec);
Resources r = getContext().getResources();
float value = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, parentWidth,
r.getDisplayMetrics());
if (mMaxWidth > 0 && parentWidth > mMaxWidth) {
int measureMode = MeasureSpec.getMode(widthMeasureSpec);
widthMeasureSpec = MeasureSpec.makeMeasureSpec(mMaxWidth, measureMode);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
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