@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    Log.d(TAG, "onMeasure: .............");

    int widthSize = MeasureSpec.getSize(widthMeasureSpec);
    Log.d(TAG, "onMeasure: --------------->withSize=="+widthSize);
    int widthMode = MeasureSpec.getMode(widthMeasureSpec);
    Log.d(TAG, "onMeasure: -------------widthMode=="+widthMode);
    Log.d(TAG, "onMeasure: ---------------->MeasureSpec.EXACTLY="+MeasureSpec.EXACTLY);
    Log.d(TAG, "onMeasure: ---------------->MeasureSpec.UNSPECIFIED="+MeasureSpec.UNSPECIFIED);
    Log.d(TAG, "onMeasure: ---------------->MeasureSpec.AT_MOST="+MeasureSpec.AT_MOST);
    int heightSize = MeasureSpec.getSize(heightMeasureSpec);
    // 测量第一个孩子，也就是内容部分
    // 宽度，跟父控件一样宽。高度有三种情况，如果指定大小，那我们获取到它的大小，直接测量
    // 如果是wrap_content，AT_MOST，如果是match_parent，那就给它大小。
    if (firstChild == null) {
        return;
    }
    LayoutParams contentLayoutParams = firstChild.getLayoutParams();
    int contentHeight=contentLayoutParams.height;
    int contentHeightMeasureSpace;
    if (contentHeight == LayoutParams.MATCH_PARENT) {
        Log.d(TAG, "onMeasure: --------------contentHeight ==MATCH_PARENT");
        contentHeightMeasureSpace = MeasureSpec.makeMeasureSpec(heightSize, MeasureSpec.EXACTLY);
    } else if (contentHeight == LayoutParams.WRAP_CONTENT) {
        Log.d(TAG, "onMeasure: --------------contentHeight ==WRAP_CONTENT");
        contentHeightMeasureSpace = MeasureSpec.makeMeasureSpec(heightSize, MeasureSpec.AT_MOST);
    } else {
        Log.d(TAG, "onMeasure: --------------contentHeight ==else");
        contentHeightMeasureSpace = MeasureSpec.makeMeasureSpec(contentHeight, MeasureSpec.EXACTLY);
    }
    int a =MeasureSpec.makeMeasureSpec(1080,MeasureSpec.EXACTLY);

    firstChild.measure(a, contentHeightMeasureSpace);
    // 拿到内容部分测量以后的高度
    int contentMeasuredHeight = firstChild.getMeasuredHeight();
    // 测量编辑部分，宽度：3/4，高度跟内容高度一样
    int editWidthSize = widthSize * 3 / 4;
    functionView.measure(
            MeasureSpec.makeMeasureSpec(editWidthSize, MeasureSpec.EXACTLY),
            MeasureSpec.makeMeasureSpec(contentMeasuredHeight, MeasureSpec.EXACTLY)
    );
    // 测量自己
    // 宽就是前面的宽度之和，高度和内容一样
    setMeasuredDimension(widthSize + editWidthSize, contentMeasuredHeight);

}