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安乐器——已经安装的电压器
原标题:Android - Check if APP is already installed

我希望有一个网页,链接到市场上的纸浆机(这是可能的),但是如果装置上已经存在的电灯不希望他重新引导市场,但该电灯一旦贴上电灯,就会打开。

Is that possible?

thank you

最佳回答

在网站上没有这样做的途径。 您可以建立与市场申请的联系,如果用户使用安乐器,他或她将改用市场应用程序,从这里看,是否安装。

如果你想在 Java守则中这样做,你可以使用@Pedro的建议,进行简单的检查。

问题回答

http://developer.android.com/vis/android/content/pm/PackageManager.html#getInsatedApplications%28int%29”rel=“nofollow” 包裹管理.getInsates inApplications,如果重新找回的照片被列入清单,则进行检查。





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