Android手机中的得到各个路径的方法

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Environment.getDataDirectory() = /data
Environment.getDownloadCacheDirectory() = /cache
Environment.getExternalStorageDirectory() = /mnt/sdcard
Environment.getExternalStoragePublicDirectory(“test”) = /mnt/sdcard/test
Environment.getRootDirectory() = /system
getPackageCodePath() = /data/app/com.my.app-1.apk
getPackageResourcePath() = /data/app/com.my.app-1.apk
getCacheDir() = /data/data/com.my.app/cache
getDatabasePath(“test”) = /data/data/com.my.app/databases/test
getDir(“test”, Context.MODE_PRIVATE) = /data/data/com.my.app/app_test
getExternalCacheDir() = /mnt/sdcard/Android/data/com.my.app/cache
getExternalFilesDir(“test”) = /mnt/sdcard/Android/data/com.my.app/files/test
getExternalFilesDir(null) = /mnt/sdcard/Android/data/com.my.app/files
getFilesDir() = /data/data/com.my.app/files

参考：http://blog.csdn.net/a910626/article/details/51470866