child_guard/app/src/main/java/com/example/childguard/QRFragment.java

109 lines
3.6 KiB
Java

package com.example.childguard;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.fragment.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import com.journeyapps.barcodescanner.ScanContract;
import com.journeyapps.barcodescanner.ScanOptions;
/**
* A simple {@link Fragment} subclass.
* Use the {@link QRFragment#newInstance} factory method to
* create an instance of this fragment.
*/
public class QRFragment extends Fragment {
//QRコードから受け取ったURLの受け渡しの宣言
OnDataPass dataPass;
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
public QRFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment QRFragment.
*/
// TODO: Rename and change types and number of parameters
public static QRFragment newInstance(String param1, String param2) {
QRFragment fragment = new QRFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
//FragmentからActivityへデータの受け渡しをするためのInterface
public interface OnDataPass{
void onDataPass(String urlPass);
}
private final ActivityResultLauncher<ScanOptions> fragmentLauncher = registerForActivityResult(new ScanContract(),
result -> {
//QRコードからデータを読み取れたかの確認
if(result.getContents() == null) {
Toast.makeText(getContext(), "Cancelled from fragment", Toast.LENGTH_LONG).show();
} else {
dataPass.onDataPass(result.getContents());
//画面遷移
Intent intent=new Intent(getActivity(),UrlPageActivity.class);
startActivity(intent);
}
});
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_qr, container, false);
Button cameraButton = view.findViewById(R.id.camera);
cameraButton.setOnClickListener(v -> {
Log.d("QRFragment", "onClick: called");
//QRリーダ起動
fragmentLauncher.launch(new ScanOptions());
});
return view;
}
}