这个是二维码第三方库
private void createQRImage(String utl) {
// TODO Auto-generated method stub
try {
// String contentString = qrStrEditText.getText().toString();
// if (!contentString.equals("")) {
if(utl ==null && utl.length()>1 && "".equals(utl) ){
return ;
}
Bitmap qrCodeBitmap = EncodingHandler.createQRCode(utl, 600);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
FileOutputStream fos = new FileOutputStream(new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis()+".jpg"));
qrCodeBitmap.compress(Bitmap.CompressFormat.PNG, 100, bos);
textview.setImageBitmap(qrCodeBitmap);
fos.write(bos.toByteArray());
fos.flush();
fos.close();
Toast.makeText(BarCodeActivity.this, "生成成功", 0).show();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// }else {
// Toast.makeText(BarCodeActivity.this, "生成不成功，请稍后.......", Toast.LENGTH_SHORT).show();
// }
} catch (WriterException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
里面的一些代码
