getting file not found exception

Question

I have my android activity :

try {  
            File root=Environment.getExternalStorageDirectory();  
            Log.i(\"root\",root.toString());  
            


        

Answer 1

In Android 6 (Marshmallow) I had to explicitely check whether my app has permission "WRITE_EXTERNAL_STORAGE"

Answer 2

Not sure but please verify that there exists External Storage in your emulator or phone otherwise it will through exception.

Answer 3

Try this,,it works for me

// create a File object for the parent directory
File wallpaperDirectory = new File("/sdcard/Wallpaper/");
// have the object build the directory structure, if needed.
wallpaperDirectory.mkdirs();
// create a File object for the output file
File outputFile = new File(wallpaperDirectory, filename);
//now attach OutputStream to the file object, instead of a String representation

FileOutputStream fos = new FileOutputStream(outputFile);

GO through this for more details