public class EwmActivity extends AppCompatActivity {
private EditText text;
private Button button;
private ImageView image;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_ewm);
text = (EditText) findViewById(R.id.text);
button = (Button) findViewById(R.id.erwei);
image = (ImageView) findViewById(R.id.image);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
createQRcode();
}
});
}
private void createQRcode() {
@SuppressLint("StaticFieldLeak") AsyncTask<Void, Integer, Bitmap> asyncTask = new AsyncTask<Void, Integer, Bitmap>() {
@Override
protected Bitmap doInBackground(Void... strings) {
String trim = text.getText().toString().trim();
return QRCodeEncoder.syncEncodeQRCode(trim, 150);
}
@Override
protected void onPostExecute(Bitmap bitmap) {
super.onPostExecute(bitmap);
image.setImageBitmap(bitmap);
}
}.execute();
}
}
Android实现生成二维码
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转载自blog.csdn.net/wzj_8899174/article/details/83961704
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