onMeasure.java

@Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        Log.v("Chart onMeasure w", MeasureSpec.toString(widthMeasureSpec));
        Log.v("Chart onMeasure h", MeasureSpec.toString(heightMeasureSpec));

        int desiredWidth = getSuggestedMinimumWidth() + getPaddingLeft() + getPaddingRight();
        int desiredHeight = getSuggestedMinimumHeight() + getPaddingTop() + getPaddingBottom();

        setMeasuredDimension(measureDimension(desiredWidth, widthMeasureSpec),
                measureDimension(desiredHeight, heightMeasureSpec));
    }