file 文件存在目录

朴勇佑

于 2018-05-04 11:24:02 发布

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本文链接：https://blog.youkuaiyun.com/yongwoozzang/article/details/80192577

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

path = Environment.getExternalStorageDirectory() + path + "/a.apk";
File file = new File(path + "/a.apk");
if (file.exists())
	file.delete();

if (!file.exists())
	file.createNewFile();