2 * Copyright © 2021 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.ui;
20 import android.app.Activity;
21 import android.content.Context;
22 import android.content.Intent;
24 import androidx.activity.result.ActivityResultCaller;
25 import androidx.activity.result.ActivityResultLauncher;
26 import androidx.activity.result.contract.ActivityResultContract;
27 import androidx.annotation.NonNull;
28 import androidx.annotation.Nullable;
31 private static final String SCAN_APP_NAME = "com.google.zxing.client.android.SCAN";
32 public static ActivityResultLauncher<Void> registerLauncher(ActivityResultCaller activity,
33 QRScanResultReceiver resultReceiver) {
34 return activity.registerForActivityResult(new ActivityResultContract<Void, String>() {
37 public Intent createIntent(@NonNull Context context, Void input) {
38 final Intent intent = new Intent(SCAN_APP_NAME);
39 intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
43 public String parseResult(int resultCode, @Nullable Intent intent) {
44 if (resultCode == Activity.RESULT_CANCELED || intent == null)
46 return intent.getStringExtra("SCAN_RESULT");
48 }, resultReceiver::onQRScanResult);
50 public interface QRScanResultReceiver {
51 void onQRScanResult(String scanned);
54 public interface QRScanTrigger {