1、支持真实识别区域比例和识别区域偏移量可配置

2、对外暴露更多可配置参数

README.md

@@ -8,12 +8,13 @@
 [![CircleCI](https://circleci.com/gh/jenly1314/ZXingLite.svg?style=svg)](https://circleci.com/gh/jenly1314/ZXingLite)
 [![API](https://img.shields.io/badge/API-16%2B-blue.svg?style=flat)](https://android-arsenal.com/api?level=16)
 [![License](https://img.shields.io/badge/license-Apche%202.0-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)
-[![Blog](https://img.shields.io/badge/blog-Jenly-9933CC.svg)](https://jenly1314.github.io)
+[![Blog](https://img.shields.io/badge/blog-Jenly-9933CC.svg)](https://jenly1314.github.io/)
 [![QQGroup](https://img.shields.io/badge/QQGroup-20867961-blue.svg)](http://shang.qq.com/wpa/qunwpa?idkey=8fcc6a2f88552ea44b1411582c94fd124f7bb3ec227e2a400dbbfaad3dc2f5ad)
 
 ZXingLite for Android 是ZXing的精简版，基于ZXing库优化扫码和生成二维码/条形码功能，扫码界面完全支持自定义，也可一行代码使用默认实现的扫码功能。总之你想要的都在这里。
 >简单如斯，你不试试？ Come on~
 
+
 ## Gif 展示
 ![Image](GIF.gif)
 
@@ -37,6 +38,13 @@ ZXingLite for Android 是ZXing的精简版，基于ZXing库优化扫码和生成
 | laserStyle | enum | line | 扫描激光的样式 |
 | gridColumn | integer | 20 | 网格扫描激光列数 |
 | gridHeight | integer | 40dp | 网格扫描激光高度，为0dp时，表示动态铺满 |
+| cornerRectWidth | dimension | 4dp | 扫描区边角的宽 |
+| cornerRectHeight | dimension | 16dp | 扫描区边角的高 |
+| scannerLineMoveDistance | dimension | 2dp | 扫描线每次移动距离 |
+| scannerLineHeight | dimension | 5dp | 扫描线高度 |
+| frameLineWidth | dimension | 1dp | 边框线宽度 |
+| scannerAnimationDelay | integer | 15 | 扫描动画延迟间隔时间，单位：毫秒 |
+| frameRatio | float | 0.625f | 扫码框与屏幕占比 |
 
 
 ## 引入
@@ -46,20 +54,21 @@ ZXingLite for Android 是ZXing的精简版，基于ZXing库优化扫码和生成
 <dependency>
   <groupId>com.king.zxing</groupId>
   <artifactId>zxing-lite</artifactId>
-  <version>1.1.2</version>
+  <version>1.1.3</version>
   <type>pom</type>
 </dependency>
 ```
 ### Gradle:
 ```gradle
 //AndroidX 版本
-implementation 'com.king.zxing:zxing-lite:1.1.2-androidx'
+implementation 'com.king.zxing:zxing-lite:1.1.3-androidx'
+
 //Android 版本
-implementation 'com.king.zxing:zxing-lite:1.1.2'
+implementation 'com.king.zxing:zxing-lite:1.1.3'
 ```
 ### Lvy:
 ```lvy
-<dependency org='com.king.zxing' name='zxing-lite' rev='1.1.2'>
+<dependency org='com.king.zxing' name='zxing-lite' rev='1.1.3'>
   <artifact name='$AID' ext='pom'></artifact>
 </dependency>
 ```
@@ -137,6 +146,10 @@ api 'com.google.zxing:core:3.3.3'
 
 ## 版本记录
 
+#### v1.1.3：2019-9-24
+*  支持真实识别区域比例和识别区域偏移量可配置
+*  对外暴露更多可配置参数
+
 #### v1.1.2：2019-6-27
 *  优化部分细节，为迁移至AndroidX做准备
 *  支持AndroidX对应版本
@@ -204,4 +217,3 @@ api 'com.google.zxing:core:3.3.3'
    </div>
 
 
-   

app/release/output.json

@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":12,"versionName":"1.1.2-androidx","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":14,"versionName":"1.1.3-androidx","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}]

app/src/main/java/com/king/zxing/app/CustomCaptureActivity.java

@@ -62,8 +62,11 @@ public class CustomCaptureActivity extends CaptureActivity {
         //获取CaptureHelper，里面有扫码相关的配置设置
         getCaptureHelper().playBeep(false)//播放音效
                 .vibrate(true)//震动
-//                .decodeFormats(DecodeFormatManager.QR_CODE_FORMATS)//设置只识别二维码会提升速度
                 .supportVerticalCode(true)//支持扫垂直条码，建议有此需求时才使用。
+//                .decodeFormats(DecodeFormatManager.QR_CODE_FORMATS)//设置只识别二维码会提升速度
+//                .framingRectRatio(0.9f)//设置识别区域比例，范围建议在0.625 ~ 1.0之间。非全屏识别时才有效
+//                .framingRectVerticalOffset(0)//设置识别区域垂直方向偏移量，非全屏识别时才有效
+//                .framingRectHorizontalOffset(0)//设置识别区域水平方向偏移量，非全屏识别时才有效
                 .continuousScan(isContinuousScan);//是否连扫
     }
 
@@ -87,7 +90,6 @@ public class CustomCaptureActivity extends CaptureActivity {
         return getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
     }
 
-
     /**
      * 扫码结果回调
      * @param result 扫码结果
@@ -119,4 +121,4 @@ public class CustomCaptureActivity extends CaptureActivity {
                 break;
         }
     }
-}
+}

app/src/main/res/layout/activity_main.xml

@@ -13,7 +13,8 @@
         android:layout_height="wrap_content"
         app:contentInsetLeft="0dp"
         app:contentInsetStart="0dp"
-        tools:ignore="MissingConstraints">
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
         <TextView
             android:id="@+id/tvTitle"
             android:layout_width="match_parent"
@@ -31,7 +32,7 @@
         android:layout_height="wrap_content"
         android:layout_marginLeft="20dp"
         android:layout_marginRight="20dp"
-        android:layout_marginTop="6dp"
+        android:layout_marginTop="16dp"
         android:layout_marginBottom="6dp"
         android:text="默认扫码"
         app:layout_constraintLeft_toLeftOf="parent"

lib/src/main/java/com/king/zxing/CaptureHelper.java

@@ -17,7 +17,6 @@ package com.king.zxing;
 
 import android.app.Activity;
 import android.content.Intent;
-import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.hardware.Camera;
@@ -38,6 +37,7 @@ import java.util.EnumMap;
 import java.util.List;
 import java.util.Map;
 
+import androidx.annotation.FloatRange;
 import androidx.fragment.app.Fragment;
 
 /**
@@ -115,6 +115,19 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
      */
     private boolean isFullScreenScan;
 
+    /**
+     * 识别区域比例，范围建议在0.625 ~ 1.0之间，默认0.9
+     */
+    private float framingRectRatio = 0.9f;
+    /**
+     * 识别区域垂直方向偏移量
+     */
+    private int framingRectVerticalOffset;
+    /**
+     * 识别区域水平方向偏移量
+     */
+    private int framingRectHorizontalOffset;
+
     private OnCaptureCallback onCaptureCallback;
 
 
@@ -140,6 +153,9 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
 
         cameraManager = new CameraManager(activity);
         cameraManager.setFullScreenScan(isFullScreenScan);
+        cameraManager.setFramingRectRatio(framingRectRatio);
+        cameraManager.setFramingRectVerticalOffset(framingRectVerticalOffset);
+        cameraManager.setFramingRectHorizontalOffset(framingRectHorizontalOffset);
         callback = new SurfaceHolder.Callback() {
             @Override
             public void surfaceCreated(SurfaceHolder holder) {
@@ -163,15 +179,10 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
             }
         };
 
-        onCaptureListener =  new OnCaptureListener() {
+        onCaptureListener = (result, barcode, scaleFactor) -> {
-
+            inactivityTimer.onActivity();
-            @Override
+            beepManager.playBeepSoundAndVibrate();
-            public void onHandleDecode(Result result, Bitmap barcode, float scaleFactor) {
+            onResult(result);
-                inactivityTimer.onActivity();
-                beepManager.playBeepSoundAndVibrate();
-                onResult(result);
-            }
-
         };
         //设置是否播放音效和震动
         beepManager.setPlayBeep(isPlayBeep);
@@ -310,6 +321,7 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
      * @param event
      * @param camera
      */
+    @Deprecated
     private void focusOnTouch(MotionEvent event,Camera camera) {
 
         Camera.Parameters params = camera.getParameters();
@@ -333,13 +345,10 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
         params.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
         camera.setParameters(params);
 
-        camera.autoFocus(new Camera.AutoFocusCallback() {
+        camera.autoFocus((success, camera1) -> {
-            @Override
+            Camera.Parameters params1 = camera1.getParameters();
-            public void onAutoFocus(boolean success, Camera camera) {
+            params1.setFocusMode(currentFocusMode);
-                Camera.Parameters params = camera.getParameters();
+            camera1.setParameters(params1);
-                params.setFocusMode(currentFocusMode);
-                camera.setParameters(params);
-            }
         });
 
     }
@@ -422,18 +431,15 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
         }
 
         if(isPlayBeep){//如果播放音效，则稍微延迟一点，给予播放音效时间
-            captureHandler.postDelayed(new Runnable() {
+            captureHandler.postDelayed(() -> {
-                @Override
+                //如果设置了回调，并且onCallback返回为true，则表示拦截
-                public void run() {
+                if(onCaptureCallback!=null && onCaptureCallback.onResultCallback(text)){
-                    //如果设置了回调，并且onCallback返回为true，则表示拦截
+                    return;
-                    if(onCaptureCallback!=null && onCaptureCallback.onResultCallback(text)){
-                        return;
-                    }
-                    Intent intent = new Intent();
-                    intent.putExtra(Intents.Scan.RESULT,text);
-                    activity.setResult(Activity.RESULT_OK,intent);
-                    activity.finish();
                 }
+                Intent intent = new Intent();
+                intent.putExtra(Intents.Scan.RESULT,text);
+                activity.setResult(Activity.RESULT_OK,intent);
+                activity.finish();
             },100);
             return;
         }
@@ -600,6 +606,46 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
         return this;
     }
 
+    /**
+     * 设置识别区域比例，范围建议在0.625 ~ 1.0之间。非全屏识别时才有效
+     * 0.625 即与默认推荐显示区域一致，1.0表示与宽度一致
+     * @param framingRectRatio 默认0.9
+     * @return
+     */
+    public CaptureHelper framingRectRatio(@FloatRange(from = 0.0f ,to = 1.0f) float framingRectRatio) {
+        this.framingRectRatio = framingRectRatio;
+        if(cameraManager!=null){
+            cameraManager.setFramingRectRatio(framingRectRatio);
+        }
+        return this;
+    }
+
+    /**
+     * 设置识别区域垂直方向偏移量，非全屏识别时才有效
+     * @param framingRectVerticalOffset 默认0，表示不偏移
+     * @return
+     */
+    public CaptureHelper framingRectVerticalOffset(int framingRectVerticalOffset) {
+        this.framingRectVerticalOffset = framingRectVerticalOffset;
+        if(cameraManager!=null){
+            cameraManager.setFramingRectVerticalOffset(framingRectVerticalOffset);
+        }
+        return this;
+    }
+
+    /**
+     * 设置识别区域水平方向偏移量，非全屏识别时才有效
+     * @param framingRectHorizontalOffset 默认0，表示不偏移
+     * @return
+     */
+    public CaptureHelper framingRectHorizontalOffset(int framingRectHorizontalOffset) {
+        this.framingRectHorizontalOffset = framingRectHorizontalOffset;
+        if(cameraManager!=null){
+            cameraManager.setFramingRectHorizontalOffset(framingRectHorizontalOffset);
+        }
+        return this;
+    }
+
 
     /**
      * 设置扫码回调
@@ -646,4 +692,4 @@ public class CaptureHelper implements CaptureLifecycle,CaptureTouchEvent,Capture
     public InactivityTimer getInactivityTimer() {
         return inactivityTimer;
     }
-}
+}

lib/src/main/java/com/king/zxing/ViewfinderView.java

@@ -51,52 +51,141 @@ import androidx.core.content.ContextCompat;
  */
 public final class ViewfinderView extends View {
 
-    private static final long ANIMATION_DELAY = 15L;
     private static final int CURRENT_POINT_OPACITY = 0xA0;
     private static final int MAX_RESULT_POINTS = 20;
     private static final int POINT_SIZE = 20;
 
-    private static final int CORNER_RECT_WIDTH             =   8;  //扫描区边角的宽
+    /**
-    private static final int CORNER_RECT_HEIGHT            =   40; //扫描区边角的高
+     * 画笔
-    private static final int SCANNER_LINE_MOVE_DISTANCE    =   6;  //扫描线移动距离
+     */
-    private static final int SCANNER_LINE_HEIGHT           =   10;  //扫描线宽度
-
     private Paint paint;
+
+    /**
+     * 文本画笔
+     */
     private TextPaint textPaint;
+    /**
+     * 扫码框外面遮罩颜色
+     */
     private int maskColor;
-    //扫描区域边框颜色
+    /**
+     * 扫描区域边框颜色
+     */
     private int frameColor;
-    //扫描线颜色
+    /**
+     * 扫描线颜色
+     */
     private int laserColor;
-    //四角颜色
+    /**
+     * 扫码框四角颜色
+     */
     private int cornerColor;
+    /**
+     * 结果点颜色
+     */
     private int resultPointColor;
 
+    /**
+     * 提示文本与扫码框的边距
+     */
     private float labelTextPadding;
+    /**
+     * 提示文本的位置
+     */
     private TextLocation labelTextLocation;
-    //扫描区域提示文本
+    /**
+     * 扫描区域提示文本
+     */
     private String labelText;
-    //扫描区域提示文本颜色
+    /**
+     * 扫描区域提示文本颜色
+     */
     private int labelTextColor;
+    /**
+     * 提示文本字体大小
+     */
     private float labelTextSize;
+
+    /**
+     * 扫描线开始位置
+     */
     public int scannerStart = 0;
+    /**
+     * 扫描线结束位置
+     */
     public int scannerEnd = 0;
+    /**
+     * 是否显示结果点
+     */
     private boolean isShowResultPoint;
 
+    /**
+     * 屏幕宽
+     */
     private int screenWidth;
+    /**
+     * 屏幕高
+     */
     private int screenHeight;
-    //扫码框宽
+    /**
+     * 扫码框宽
+     */
     private int frameWidth;
-    //扫码框宽
+    /**
+     * 扫码框高
+     */
     private int frameHeight;
-    //扫描激光线风格
+    /**
+     * 扫描激光线风格
+     */
     private LaserStyle laserStyle;
 
+    /**
+     * 网格列数
+     */
     private int gridColumn;
+    /**
+     * 网格高度
+     */
     private int gridHeight;
 
+    /**
+     * 扫码框
+     */
     private Rect frame;
 
+    /**
+     * 扫描区边角的宽
+     */
+    private int cornerRectWidth;
+    /**
+     * 扫描区边角的高
+     */
+    private int cornerRectHeight;
+    /**
+     * 扫描线每次移动距离
+     */
+    private int scannerLineMoveDistance;
+    /**
+     * 扫描线高度
+     */
+    private int scannerLineHeight;
+
+    /**
+     * 边框线宽度
+     */
+    private int frameLineWidth;
+
+    /**
+     * 扫描动画延迟间隔时间 默认15毫秒
+     */
+    private int scannerAnimationDelay;
+
+    /**
+     * 扫码框占比
+     */
+    private float frameRatio;
+
 
     private List<ResultPoint> possibleResultPoints;
     private List<ResultPoint> lastPossibleResultPoints;
@@ -181,6 +270,13 @@ public final class ViewfinderView extends View {
         gridColumn = array.getInt(R.styleable.ViewfinderView_gridColumn,20);
         gridHeight = (int)array.getDimension(R.styleable.ViewfinderView_gridHeight,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,40,getResources().getDisplayMetrics()));
 
+        cornerRectWidth = (int)array.getDimension(R.styleable.ViewfinderView_cornerRectWidth,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,4,getResources().getDisplayMetrics()));
+        cornerRectHeight = (int)array.getDimension(R.styleable.ViewfinderView_cornerRectHeight,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,16,getResources().getDisplayMetrics()));
+        scannerLineMoveDistance = (int)array.getDimension(R.styleable.ViewfinderView_scannerLineMoveDistance,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,2,getResources().getDisplayMetrics()));
+        scannerLineHeight = (int)array.getDimension(R.styleable.ViewfinderView_scannerLineHeight,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,5,getResources().getDisplayMetrics()));
+        frameLineWidth = (int)array.getDimension(R.styleable.ViewfinderView_frameLineWidth,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,1,getResources().getDisplayMetrics()));
+        scannerAnimationDelay = array.getInteger(R.styleable.ViewfinderView_scannerAnimationDelay,15);
+        frameRatio = array.getFloat(R.styleable.ViewfinderView_frameRatio,0.625f);
         array.recycle();
 
         paint = new Paint(Paint.ANTI_ALIAS_FLAG);
@@ -192,7 +288,7 @@ public final class ViewfinderView extends View {
         screenWidth = getDisplayMetrics().widthPixels;
         screenHeight = getDisplayMetrics().heightPixels;
 
-        int size = (int)(Math.min(screenWidth,screenHeight) * 0.625f);
+        int size = (int)(Math.min(screenWidth,screenHeight) * frameRatio);
 
         if(frameWidth<=0 || frameWidth > screenWidth){
             frameWidth = size;
@@ -233,7 +329,6 @@ public final class ViewfinderView extends View {
         frame = new Rect(leftOffset, topOffset, leftOffset + frameWidth, topOffset + frameHeight);
     }
 
-    @SuppressLint("DrawAllocation")
     @Override
     public void onDraw(Canvas canvas) {
 
@@ -243,7 +338,7 @@ public final class ViewfinderView extends View {
 
         if(scannerStart == 0 || scannerEnd == 0) {
             scannerStart = frame.top;
-            scannerEnd = frame.bottom - SCANNER_LINE_HEIGHT;
+            scannerEnd = frame.bottom - scannerLineHeight;
         }
 
         int width = canvas.getWidth();
@@ -263,7 +358,7 @@ public final class ViewfinderView extends View {
         drawResultPoint(canvas,frame);
         // Request another update at the animation interval, but only repaint the laser line,
         // not the entire viewfinder mask.
-        postInvalidateDelayed(ANIMATION_DELAY,
+        postInvalidateDelayed(scannerAnimationDelay,
                 frame.left - POINT_SIZE,
                 frame.top - POINT_SIZE,
                 frame.right + POINT_SIZE,
@@ -300,17 +395,17 @@ public final class ViewfinderView extends View {
     private void drawCorner(Canvas canvas, Rect frame) {
         paint.setColor(cornerColor);
         //左上
-        canvas.drawRect(frame.left, frame.top, frame.left + CORNER_RECT_WIDTH, frame.top + CORNER_RECT_HEIGHT, paint);
+        canvas.drawRect(frame.left, frame.top, frame.left + cornerRectWidth, frame.top + cornerRectHeight, paint);
-        canvas.drawRect(frame.left, frame.top, frame.left + CORNER_RECT_HEIGHT, frame.top + CORNER_RECT_WIDTH, paint);
+        canvas.drawRect(frame.left, frame.top, frame.left + cornerRectHeight, frame.top + cornerRectWidth, paint);
         //右上
-        canvas.drawRect(frame.right - CORNER_RECT_WIDTH, frame.top, frame.right, frame.top + CORNER_RECT_HEIGHT, paint);
+        canvas.drawRect(frame.right - cornerRectWidth, frame.top, frame.right, frame.top + cornerRectHeight, paint);
-        canvas.drawRect(frame.right - CORNER_RECT_HEIGHT, frame.top, frame.right, frame.top + CORNER_RECT_WIDTH, paint);
+        canvas.drawRect(frame.right - cornerRectHeight, frame.top, frame.right, frame.top + cornerRectWidth, paint);
         //左下
-        canvas.drawRect(frame.left, frame.bottom - CORNER_RECT_WIDTH, frame.left + CORNER_RECT_HEIGHT, frame.bottom, paint);
+        canvas.drawRect(frame.left, frame.bottom - cornerRectWidth, frame.left + cornerRectHeight, frame.bottom, paint);
-        canvas.drawRect(frame.left, frame.bottom - CORNER_RECT_HEIGHT, frame.left + CORNER_RECT_WIDTH, frame.bottom, paint);
+        canvas.drawRect(frame.left, frame.bottom - cornerRectHeight, frame.left + cornerRectWidth, frame.bottom, paint);
         //右下
-        canvas.drawRect(frame.right - CORNER_RECT_WIDTH, frame.bottom - CORNER_RECT_HEIGHT, frame.right, frame.bottom, paint);
+        canvas.drawRect(frame.right - cornerRectWidth, frame.bottom - cornerRectHeight, frame.right, frame.bottom, paint);
-        canvas.drawRect(frame.right - CORNER_RECT_HEIGHT, frame.bottom - CORNER_RECT_WIDTH, frame.right, frame.bottom, paint);
+        canvas.drawRect(frame.right - cornerRectHeight, frame.bottom - cornerRectWidth, frame.right, frame.bottom, paint);
     }
 
     /**
@@ -342,7 +437,7 @@ public final class ViewfinderView extends View {
         //线性渐变
         LinearGradient linearGradient = new LinearGradient(
                 frame.left, scannerStart,
-                frame.left, scannerStart + SCANNER_LINE_HEIGHT,
+                frame.left, scannerStart + scannerLineHeight,
                 shadeColor(laserColor),
                 laserColor,
                 Shader.TileMode.MIRROR);
@@ -350,9 +445,9 @@ public final class ViewfinderView extends View {
         paint.setShader(linearGradient);
         if(scannerStart <= scannerEnd) {
             //椭圆
-            RectF rectF = new RectF(frame.left + 2 * SCANNER_LINE_HEIGHT, scannerStart, frame.right - 2 * SCANNER_LINE_HEIGHT, scannerStart + SCANNER_LINE_HEIGHT);
+            RectF rectF = new RectF(frame.left + 2 * scannerLineHeight, scannerStart, frame.right - 2 * scannerLineHeight, scannerStart + scannerLineHeight);
             canvas.drawOval(rectF, paint);
-            scannerStart += SCANNER_LINE_MOVE_DISTANCE;
+            scannerStart += scannerLineMoveDistance;
         } else {
             scannerStart = frame.top;
         }
@@ -388,7 +483,7 @@ public final class ViewfinderView extends View {
         }
 
         if(scannerStart<scannerEnd){
-            scannerStart += SCANNER_LINE_MOVE_DISTANCE;
+            scannerStart += scannerLineMoveDistance;
         } else {
             scannerStart = frame.top;
         }
@@ -413,10 +508,10 @@ public final class ViewfinderView extends View {
      */
     private void drawFrame(Canvas canvas, Rect frame) {
         paint.setColor(frameColor);
-        canvas.drawRect(frame.left, frame.top, frame.right + 1, frame.top + 2, paint);
+        canvas.drawRect(frame.left, frame.top, frame.right, frame.top + frameLineWidth, paint);
-        canvas.drawRect(frame.left, frame.top + 2, frame.left + 2, frame.bottom - 1, paint);
+        canvas.drawRect(frame.left, frame.top, frame.left + frameLineWidth, frame.bottom, paint);
-        canvas.drawRect(frame.right - 1, frame.top, frame.right + 1, frame.bottom - 1, paint);
+        canvas.drawRect(frame.right - frameLineWidth, frame.top, frame.right, frame.bottom, paint);
-        canvas.drawRect(frame.left, frame.bottom - 1, frame.right + 1, frame.bottom + 1, paint);
+        canvas.drawRect(frame.left, frame.bottom - frameLineWidth, frame.right, frame.bottom, paint);
     }
 
     /**
@@ -429,9 +524,9 @@ public final class ViewfinderView extends View {
     private void drawExterior(Canvas canvas, Rect frame, int width, int height) {
         paint.setColor(maskColor);
         canvas.drawRect(0, 0, width, frame.top, paint);
-        canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
+        canvas.drawRect(0, frame.top, frame.left, frame.bottom, paint);
-        canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
+        canvas.drawRect(frame.right, frame.top, width, frame.bottom, paint);
-        canvas.drawRect(0, frame.bottom + 1, width, height, paint);
+        canvas.drawRect(0, frame.bottom, width, height, paint);
     }
 
     /**

lib/src/main/java/com/king/zxing/camera/CameraManager.java

@@ -21,16 +21,18 @@ import android.content.Context;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.hardware.Camera;
-import android.media.FaceDetector;
 import android.os.Handler;
 import android.util.Log;
 import android.view.SurfaceHolder;
+
 import com.google.zxing.PlanarYUVLuminanceSource;
 import com.king.zxing.camera.open.OpenCamera;
 import com.king.zxing.camera.open.OpenCameraInterface;
 
 import java.io.IOException;
 
+import androidx.annotation.FloatRange;
+
 /**
  * This object wraps the Camera service object and expects to be the only one talking to it. The
  * implementation encapsulates the steps needed to take preview-sized images, which are used for
@@ -61,6 +63,10 @@ public final class CameraManager {
     private int requestedFramingRectHeight;
     private boolean isFullScreenScan;
 
+    private float framingRectRatio;
+    private int framingRectVerticalOffset;
+    private int framingRectHorizontalOffset;
+
     /**
      * Preview frames are delivered here, which we pass on to the registered handler. Make sure to
      * clear the handler so it will only receive one message.
@@ -235,10 +241,10 @@ public final class CameraManager {
             if(isFullScreenScan){
                 framingRect = new Rect(0,0,width,height);
             }else{
-                int size = Math.min(width,height);
+                int size = (int)(Math.min(width,height) * framingRectRatio);
 
-                int leftOffset = (width - size) / 2;
+                int leftOffset = (width - size) / 2 + framingRectHorizontalOffset;
-                int topOffset = (height - size) / 2;
+                int topOffset = (height - size) / 2 + framingRectVerticalOffset;
                 framingRect = new Rect(leftOffset, topOffset, leftOffset + size, topOffset + size);
             }
 
@@ -284,14 +290,22 @@ public final class CameraManager {
         return framingRectInPreview;
     }
 
-    public boolean isFullScreenScan() {
-        return isFullScreenScan;
-    }
-
     public void setFullScreenScan(boolean fullScreenScan) {
         isFullScreenScan = fullScreenScan;
     }
 
+    public void setFramingRectRatio(@FloatRange(from = 0.0f ,to = 1.0f) float framingRectRatio) {
+        this.framingRectRatio = framingRectRatio;
+    }
+
+    public void setFramingRectVerticalOffset(int framingRectVerticalOffset) {
+        this.framingRectVerticalOffset = framingRectVerticalOffset;
+    }
+
+    public void setFramingRectHorizontalOffset(int framingRectHorizontalOffset) {
+        this.framingRectHorizontalOffset = framingRectHorizontalOffset;
+    }
+
     public Point getCameraResolution() {
         return configManager.getCameraResolution();
     }
@@ -355,9 +369,9 @@ public final class CameraManager {
         if(isFullScreenScan){
             return new PlanarYUVLuminanceSource(data,width,height,0,0,width,height,false);
         }
-        int size = Math.min(width,height);
+        int size = (int)(Math.min(width,height) * framingRectRatio);
-        int left = (width-size)/2;
+        int left = (width-size)/2 + framingRectHorizontalOffset;
-        int top = (height-size)/2;
+        int top = (height-size)/2 + framingRectVerticalOffset;
         // Go ahead and assume it's YUV rather than die.
         return new PlanarYUVLuminanceSource(data, width, height, left, top,
                 size, size, false);

lib/src/main/res/values/attrs.xml

@@ -23,6 +23,14 @@
             <enum name="line" value="1"/>
             <enum name="grid" value="2"/>
         </attr>
+        <attr name="cornerRectWidth" format="dimension"/>
+        <attr name="cornerRectHeight" format="dimension"/>
+        <attr name="scannerLineMoveDistance" format="dimension"/>
+        <attr name="scannerLineHeight" format="dimension"/>
+        <attr name="frameLineWidth" format="dimension"/>
+        <attr name="scannerAnimationDelay" format="integer"/>
+        <attr name="frameRatio" format="float"/>
     </declare-styleable>
 
+
 </resources>

versions.gradle

@@ -1,7 +1,7 @@
 //App 
 def app_version = [:]
-app_version.versionCode = 12
+app_version.versionCode = 14
-app_version.versionName = "1.1.2-androidx"
+app_version.versionName = "1.1.3-androidx"
 ext.app_version = app_version
 
 //build version