详解Android文件存储

我们还可以看一下常见的文件目录：

别忘了权限

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


Log.i(TAG, "getFilesDir = " + getFilesDir()); 
Log.i(TAG, "getExternalFilesDir = " + getExternalFilesDir("exter_test").getAbsolutePath()); 
Log.i(TAG, "getDownloadCacheDirectory = " + Environment.getDownloadCacheDirectory().getAbsolutePath()); 
Log.i(TAG, "getDataDirectory = " + Environment.getDataDirectory().getAbsolutePath()); 
Log.i(TAG, "getExternalStorageDirectory = " + Environment.getExternalStorageDirectory().getAbsolutePath()); 
Log.i(TAG, "getExternalStoragePublicDirectory = " + Environment.getExternalStoragePublicDirectory("pub_test"));

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