Demo entry 6329385

   

Submitted by anonymous on Nov 30, 2016 at 06:59
Language: Java. Code size: 921 Bytes.

/**
     * <p>
     * This is called to find out how big a view should be. The parent
     * supplies constraint information in the width and height parameters.
     * </p>
     *
     * <p>
     * The actual measurement work of a view is performed in
     * {@link #onMeasure(int, int)}, called by this method. Therefore, only
     * {@link #onMeasure(int, int)} can and must be overridden by subclasses.
     * </p>
     *
     *
     * @param widthMeasureSpec Horizontal space requirements as imposed by the
     *        parent
     * @param heightMeasureSpec Vertical space requirements as imposed by the
     *        parent
     *
     * @see #onMeasure(int, int)
     */
     //final方法,子类不可重写
    public final void measure(int widthMeasureSpec, int heightMeasureSpec) {
        ......
        //回调onMeasure()方法
        onMeasure(widthMeasureSpec, heightMeasureSpec);
        ......
    }

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