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android - 在android中查询Intent.ACTION_VIEW

转载 作者:行者123 更新时间:2023-11-29 00:37:59 31 4
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在 Intent.ACTION_VIEW 中 Intent 是什么?它是一个类还是方法,这里什么是 ACTION_VIEW ?它是一个变量吗?它的类型是什么?请详细解释。谢谢。

最佳答案

Intent在android中是一个abstract public ClassACTION_VIEW 是对 Intent 的操作。

public static final String ACTION_VIEW

Since: API Level 1 Activity Action: Display the data to the user. This is the most common action performed on data -- it is the generic action you can use on a piece of data to get the most reasonable thing to occur. For example, when used on a contacts entry it will view the entry; when used on a mailto: URI it will bring up a compose window filled with the information supplied by the URI; when used with a tel: URI it will invoke the dialer.

Input: getData() is URI from which to retrieve data.

Output: nothing.

Constant Value: "android.intent.action.VIEW"

您需要阅读 Android 开发人员指南。你会得到更好的理解here .

关于android - 在android中查询Intent.ACTION_VIEW,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11370921/

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