version:1.2

fix:优化卡顿
update:基本对接完成，增加指示器放大

app/src/main/java/com/uiui/zyos/utils/Utils.java

@@ -14,15 +14,24 @@ import android.graphics.PorterDuffXfermode;
 import android.os.BatteryManager;
 import android.os.Build;
 import android.os.Environment;
+import android.os.PowerManager;
 import android.util.Log;
 
 import androidx.core.content.ContextCompat;
 
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
 import com.uiui.zyos.BuildConfig;
 import com.uiui.zyos.R;
 
 import java.io.File;
 import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
 
 public class Utils {
     private static final String TAG = Utils.class.getSimpleName();
@@ -141,4 +150,62 @@ public class Utils {
 //        return bgBitmap;
     }
 
+    public static Bitmap createQRImage(String content, int widthPix, int heightPix) {
+        try {
+//            if (content == null || "".equals(content)) {
+//                return false;
+//            }
+
+            //配置参数
+            Map<EncodeHintType, Object> hints = new HashMap<>();
+            hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
+            //容错级别
+            hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+            //设置空白边距的宽度
+            hints.put(EncodeHintType.MARGIN, 1); //default is 4
+
+            // 图像数据转换，使用了矩阵转换
+            BitMatrix bitMatrix = null;
+            try {
+                bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, widthPix,
+                        heightPix, hints);
+            } catch (WriterException e) {
+                e.printStackTrace();
+            }
+            int[] pixels = new int[widthPix * heightPix];
+            // 下面这里按照二维码的算法，逐个生成二维码的图片，
+            // 两个for循环是图片横列扫描的结果
+            for (int y = 0; y < heightPix; y++) {
+                for (int x = 0; x < widthPix; x++) {
+                    if (bitMatrix.get(x, y)) {
+                        pixels[y * widthPix + x] = 0xff0480ff;
+                    } else {
+                        pixels[y * widthPix + x] = 0xffffffff;
+                    }
+                }
+            }
+
+            // 生成二维码图片的格式，使用ARGB_8888
+            Bitmap bitmap = Bitmap.createBitmap(widthPix, heightPix, Bitmap.Config.ARGB_8888);
+            bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix);
+//
+//            if (logoBm != null) {
+//                bitmap = addLogo(bitmap, logoBm);
+//            }
+
+            //必须使用compress方法将bitmap保存到文件中再进行读取。直接返回的bitmap是没有任何压缩的，
+            // 内存消耗巨大！
+            return bitmap;
+//            return bitmap != null && bitmap.compress(Bitmap.CompressFormat.JPEG, 100);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static boolean isScreenOn(Context context) {
+        PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
+        //true为打开，false为关闭
+        return powerManager.isInteractive();
+    }
 }