hotfix: 全体的なリファクタリング, 切り替えに関する不具合の修正
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package com.example.childguard;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.drawable.BitmapDrawable;
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import android.util.AndroidRuntimeException;
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import android.util.Log;
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import android.widget.ImageView;
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import androidx.print.PrintHelper;
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import com.google.zxing.BarcodeFormat;
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import com.google.zxing.WriterException;
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import com.journeyapps.barcodescanner.BarcodeEncoder;
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public class QrUtils {
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private Context context;
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public QrUtils setContext(Context context) {
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this.context = context;
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return this;
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}
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public Bitmap getBitmap(String key) {
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Log.d("getBitmap", "getBitmap: " + key);
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String KoteiURL = "https://practicefirestore1-8808c.web.app/?id=";
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//すべてのドメイン
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String AllURL;
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//IdPrefにの値が初期値の場合
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AllURL=KoteiURL+key;
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int size = 1500;
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Bitmap QRGazou;
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Bitmap bitmapqr;
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try {
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//QRコード生成
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BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
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bitmapqr = barcodeEncoder.encodeBitmap(AllURL, BarcodeFormat.QR_CODE, size, size);
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} catch (WriterException e) {
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throw new AndroidRuntimeException("Barcode Error.", e);
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}
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// 画像合成の準備
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Bitmap bitmap = BitmapFactory.decodeResource(this.context.getResources(), R.drawable.a_group_qr_sos);
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int width = bitmap.getWidth();
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int height = bitmap.getHeight();
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QRGazou = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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// Canvasの準備
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Canvas canvas = new Canvas(QRGazou);
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// 画像のサイズの調整
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int disWidth = (width - bitmapqr.getWidth()) / 2;
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int disHeight = (int) ((height - bitmapqr.getHeight()) / 1.3);
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canvas.drawBitmap(bitmap, 0, 0, (Paint) null);
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canvas.drawBitmap(bitmapqr, disWidth, disHeight, (Paint) null); // 画像合成
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//Androidからプリンターへ印刷指示を出すサポートライブラリ
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return QRGazou;
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}
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}
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