1
1.獲得內部存儲路徑：getFilesDir();
2.獲得內部緩存路徑：getCacheDir();
3.SD卡內部存儲路徑：getExternalFilesDir();
4.SD卡內部緩存路徑：getExternalCacheDir();
3.獲得SD卡路徑：Environment.getExternalStorageDirectory();
4.另外
2
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
