Android studio调取支付宝健康码

合法但有病

于 2022-01-11 19:10:06 发布

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文章标签： android studio android android-studio

本文链接：https://blog.youkuaiyun.com/qq_54892650/article/details/122438951

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调取支付宝健康码，其实可以不使用接口去调用；我们可以通过俩个简单的小功能去调取：

1.setOnClickListener事件，首先看源码

 /**
     * Register a callback to be invoked when this view is clicked. If this view is not
     * clickable, it becomes clickable.
     *
     * @param l The callback that will run
     *
     * @see #setClickable(boolean)
     */
public void setOnClickListener(@Nullable OnClickListener l) {
    if (!isClickable()) {
        setClickable(true);
    }
    getListenerInfo().mOnClickListener = l;
}

在调用时传入一个setOnClickListener对象作为参数，该对象是一个接口类型的，源码如下：


/**
     * Interface definition for a callback to be invoked when a view is clicked.
     */
public interface OnClickListener {
        /**
         * Called when a view has been clicked.
         *
         * @param v The view that was clicked.
         */
        void onClick(View v);
    }