二维码所有

private TextView mTv_Ruslet;
private EditText mInput;
private ImageView mImg;
private CheckBox isLogo;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    mTv_Ruslet = (TextView) findViewById(R.id.tv_ruselt);
    mInput = (EditText) findViewById(R.id.et_text);
    mImg = (ImageView) findViewById(R.id.img);
    isLogo = (CheckBox) findViewById(R.id.is_logo);
}
//生成二维码
public void make(View view){
    String input=mInput.getText().toString().trim();
    //生成二维码，然后为二维码增加logo
    Bitmap bitmap= EncodingUtils.createQRCode(input,500,500,isLogo.isChecked() ? BitmapFactory.decodeResource(getResources(),R.drawable.psb) : null
    );
    mImg.setImageBitmap(bitmap);
}
//扫描二维码
public void scan(View view){
    startActivityForResult(new Intent(MainActivity.this, CaptureActivity.class), 0);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(resultCode==RESULT_OK){
        Bundle bundle=data.getExtras();
        String result=bundle.getString("result");
        mTv_Ruslet.setText(result);
        mInput.setText(result);
    }else if(resultCode==RESULT_CANCELED){
        mTv_Ruslet.setText("扫描出错");
    }
}