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FIreBaseへの登録とFireBaseによって生成されたIDを用いたQRコードの生成、登録済みの場合は重複の登録は行わないようにする処理を追加しました

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This commit is contained in:
it232115 2024-01-16 10:51:13 +09:00
parent f7566d9df0
commit 98578291ea
5 changed files with 65 additions and 45 deletions
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39
app/src/main/java/com/example/childguard/HomeFragment.java
View File

@ -3,6 +3,7 @@ package com.example.childguard;
import static android.content.ContentValues.TAG;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
@ -11,6 +12,7 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
@ -34,7 +36,6 @@ import java.util.Map;
* create an instance of this fragment.
*/
public class HomeFragment extends Fragment {
FirebaseFirestore db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
// TODO: Rename parameter arguments, choose names that match
@ -43,7 +44,7 @@ public class HomeFragment extends Fragment {
private static final String ARG_PARAM2 = "param2";
// TODO: Rename and change types of parameters
private String mParam1;
private String str_key;
private String mParam2;
public HomeFragment() {
@ -72,7 +73,7 @@ public class HomeFragment extends Fragment {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
// mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
@ -92,13 +93,17 @@ public class HomeFragment extends Fragment {
@Override
public void onClick(View v) {
//初回起動かを保存する変数
// int i = Integer.parseInt(preferences.getString("kidoukaisuu", "1"));
boolean alreadySaved = preferences.getBoolean("alreadySaved", false);
//ボタン変数の宣言
Button parent = view.findViewById(R.id.QRprinting);
Button born = view.findViewById(R.id.QRprinting);
if (alreadySaved) {
//falseのときにFirebaseへの登録
if (!alreadySaved) {
Log.d("HomeFragment", "already printed");
//画面遷移＆ID受け渡し
Toast.makeText(getActivity(),"再印刷",Toast.LENGTH_SHORT).show();
QrPrintFragment qrPrintFragment = new QrPrintFragment();
replaceFragment(qrPrintFragment);
return;
} else Log.d("HomeFragment", "not printed yet"); // debug
@ -118,12 +123,23 @@ public class HomeFragment extends Fragment {
@Override
public void onSuccess(DocumentReference documentReference) {
//成功したら
//documentReference.getId()でID取得
Log.d(TAG, "DocumentSnapshot added with ID: " + documentReference.getId());
SharedPreferences.Editor e = preferences.edit();
e.putBoolean("alreadySaved", true);
// キー"alreadySaved"の値をtrueにする
e.putBoolean("alreadySaved", false);
//確定処理
e.apply();
//画面遷移
replaceFragment(new QrPrintFragment());
//画面遷移＆ID受け渡し
str_key = "" + documentReference.getId();
Toast.makeText(getActivity(),"初回登録",Toast.LENGTH_SHORT).show();
QrPrintFragment qrPrintFragment = new QrPrintFragment();
Bundle bundle = new Bundle();
bundle.putString("STR_KEY",str_key);
//値を書き込む
qrPrintFragment.setArguments(bundle);
replaceFragment(qrPrintFragment);
}
})
.addOnFailureListener(new OnFailureListener() {
@ -134,11 +150,7 @@ public class HomeFragment extends Fragment {
}
});
//
// SharedPreferences.Editor e = preferences.edit();
// e.putString("kidoukiroku", "2");
// e.apply();
replaceFragment(new QrPrintFragment());
}
});
//bluetooth設定ボタンの処理
@ -160,7 +172,6 @@ public class HomeFragment extends Fragment {
FrameLayout situation_bg = getView().findViewById(R.id.situation_bg);
updateInCarStatus(situationTextView, situation_bg);
}
public void updateInCarStatus(TextView situationTextView, FrameLayout situation_bg) {
SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);

26
app/src/main/java/com/example/childguard/QR.java
View File

@ -15,19 +15,19 @@ public class QR extends AppCompatActivity {
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_qr);
findViewById(R.id.camera).setOnClickListener(
v -> {
if(get_on.equals(tv.getText().toString())){
tv.setText(get_off);
findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#dcdcdc"));
}
else {
tv.setText(get_on);
findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#ff4500"));
}
}
);
//多分いらないコード
// findViewById(R.id.camera).setOnClickListener(
// v -> {
// if(get_on.equals(tv.getText().toString())){
// tv.setText(get_off);
// findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#dcdcdc"));
// }
// else {
// tv.setText(get_on);
// findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#ff4500"));
// }
// }
// );
}
}

3
app/src/main/java/com/example/childguard/QRFragment.java
View File

@ -97,13 +97,10 @@ public class QRFragment extends Fragment {
// 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;
}

35
app/src/main/java/com/example/childguard/QrPrintFragment.java
View File

@ -1,5 +1,6 @@
package com.example.childguard;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
@ -10,6 +11,7 @@ import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.print.PrintHelper;
import android.preference.PreferenceManager;
import android.util.AndroidRuntimeException;
import android.view.LayoutInflater;
import android.view.View;
@ -59,7 +61,7 @@ public class QrPrintFragment extends Fragment {
}
@Override
public void onCreate(Bundle savedInstanceState) {
public void onCreate (Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
@ -68,18 +70,34 @@ public class QrPrintFragment extends Fragment {
}
}
@Override
// @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
//共有プリファレンス 全体の準備
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
//User毎のドメインを保存する
String IdPref=preferences.getString("ID",null);
// Inflate the layout for this fragment
View view=inflater.inflate(R.layout.fragment_qr_print, container, false);
View view=inflater.inflate(R.layout.fragment_qr_print, container, false);;
//固定のドメイン
String KoteiURL = "https://practicefirestore1-8808c.web.app/?id=";
//User毎のドメイン
String userURL="YKjFsZgJBlZmcyvdZ3Ap";
//二つのドメインを合成する
String AllURL=KoteiURL+userURL;
//すべてのドメイン
String AllURL;
//IdPrefにの値が初期値の場合
if(IdPref==null) {
//User毎のドメイン
String userURL = getArguments().getString("STR_KEY");
//キー"ID"の値をuserURLの値にする
SharedPreferences.Editor e = preferences.edit();
e.putString("ID", userURL);
//確定処理
e.apply();
//二つのドメインを合成する
AllURL=KoteiURL+userURL;
}else{
//二つのドメインを合成する
AllURL=KoteiURL+IdPref;
}
int size = 2500;
ImageView imageViewQrCode;
@ -96,6 +114,7 @@ public class QrPrintFragment extends Fragment {
throw new AndroidRuntimeException("Barcode Error.", e);
}
// 画像合成の準備
// ここのエラーは直すと何故か動かなくなる。このままで動くので放置
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.a_group_qr_sos);
Bitmap bitmap1 = ((BitmapDrawable) imageViewQrCode.getDrawable()).getBitmap();
int width = bitmap.getWidth(); // 元ファイルの幅取得

7
app/src/main/res/layout/fragment_qr.xml
View File

@ -5,13 +5,6 @@
android:layout_height="match_parent"
tools:context=".QRFragment">
<!-- TODO: Update blank fragment layout -->
<Button
android:id="@+id/camera"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
/>
</FrameLayout>