public static void writefile(String text, String fileName){
File externalStorageDir = Environment.getExternalStorageDirectory();
File myFile = new File(externalStorageDir , fileName);//fileName: 1.txt
if(myFile.exists())
{
try
{
FileOutputStream fostream = new FileOutputStream(myFile);
OutputStreamWriter oswriter = new OutputStreamWriter(fostream);
BufferedWriter bwriter = new BufferedWriter(oswriter);
bwriter.write(text);
bwriter.newLine();
bwriter.close();
oswriter.close();
fostream.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
else
{
try {
myFile.createNewFile();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}