Android read local (SD card) picture

2. Private Bitmap Getdiskbitmap (String pathstring)

4. {  

6.     bitmap bitmap = null ;  

8.     try   

10.     {  

12.         file file = new  file (pathstring);   

14.         if (file.exists ())   

16. {

18. Bitmap = Bitmapfactory.decodefile (pathstring);

20.         }  

22.     } catch   (exception e)   

24.     {  

26.         // todo: handle exception   

28. }

34.     return  BITMAP;  

36. }

This method realizes to read a picture from the local path, can be JPG, BMP, PNG and so on many kinds of formats.

PathString is a local picture path such as: "Mnt/sdcard/1.jpg"

File File = new file (pathstring);

if (File.exists ())

{bitmap = Bitmapfactory.decodefile (pathstring);}

After reading to the local file, first determine if the file exists.

Bitmapfactory.decodefile (pathstring);

The local file can be decoded in a variety of image formats. Returns the Bitmap object

Android read local (SD card) picture