Add

.gitignore

@@ -0,0 +1,13 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "uz.theairsoft.barcodescanner"
+        minSdkVersion 18
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.google.android.gms:play-services-vision:17.0.2'
+    implementation 'org.greenrobot:eventbus:3.0.0'
+    implementation 'junit:junit:4.13-beta-1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/uz/theairsoft/barcodescanner/ExampleInstrumentedTest.java

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+package uz.theairsoft.barcodescanner;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("uz.theairsoft.barcodescanner", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="uz.theairsoft.barcodescanner">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-feature android:name="android.hardware.camera" />
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <meta-data
+            android:name="com.google.android.gms.version"
+            android:value="@integer/google_play_services_version" />
+        <meta-data
+            android:name="com.google.android.gms.vision.DEPENDENCIES"
+            android:value="barcode" />
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/uz/theairsoft/barcodescanner/MainActivity.java

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+package uz.theairsoft.barcodescanner;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+import com.google.android.gms.vision.barcode.Barcode;
+
+import uz.theairsoft.barcodescanner.materialbarcodescanner.MaterialBarcodeScanner;
+import uz.theairsoft.barcodescanner.materialbarcodescanner.MaterialBarcodeScannerBuilder;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+    private void startScan() {
+        /**
+         * Build a new MaterialBarcodeScanner
+         */
+        final MaterialBarcodeScanner materialBarcodeScanner = new MaterialBarcodeScannerBuilder()
+                .withActivity(MainActivity.this)
+                .withEnableAutoFocus(true)
+                .withBleepEnabled(true)
+                .withBackfacingCamera()
+                .withCenterTracker()
+                .withText("Scanning...")
+                .withResultListener(new MaterialBarcodeScanner.OnResultListener() {
+                    @Override
+                    public void onResult(Barcode barcode) {
+
+                    }
+                })
+                .build();
+        materialBarcodeScanner.setActivityCompat(this);
+        materialBarcodeScanner.setContainerId(R.id.content);
+        materialBarcodeScanner.startScan();
+    }
+}

app/src/main/java/uz/theairsoft/barcodescanner/materialbarcodescanner/BarcodeGraphic.java

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+/*
+ * Copyright (C) The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package uz.theairsoft.barcodescanner.materialbarcodescanner;
+
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
+
+import com.google.android.gms.vision.barcode.Barcode;
+
+/**
+ * Graphic instance for rendering barcode position, size, and ID within an associated graphic
+ * overlay view.
+ */
+public class BarcodeGraphic extends GraphicOverlay.Graphic {
+
+    private int mId;
+
+    private static int mCurrentColorIndex = 0;
+
+    private Paint mRectPaint;
+    private Paint mTextPaint;
+    private volatile Barcode mBarcode;
+
+    private int mStrokeWidth = 24;
+    private int mCornerWidth = 64;
+    private int mCorderPadding = mStrokeWidth / 2;
+
+    public BarcodeGraphic(GraphicOverlay overlay, final int trackerColor) {
+        super(overlay);
+
+        mRectPaint = new Paint();
+        mRectPaint.setColor(trackerColor);
+        mRectPaint.setStyle(Paint.Style.STROKE);
+        mRectPaint.setStrokeWidth(mStrokeWidth);
+        //mRectPaint.setAlpha(100);
+
+        mTextPaint = new Paint();
+        mTextPaint.setColor(trackerColor);
+        mTextPaint.setFakeBoldText(true);
+        mTextPaint.setTextSize(46.0f);
+    }
+
+    public int getId() {
+        return mId;
+    }
+
+    public void setId(int id) {
+        this.mId = id;
+    }
+
+    public Barcode getBarcode() {
+        return mBarcode;
+    }
+
+    /**
+     * Updates the barcode instance from the detection of the most recent frame.  Invalidates the
+     * relevant portions of the overlay to trigger a redraw.
+     */
+    void updateItem(Barcode barcode) {
+        mBarcode = barcode;
+        postInvalidate();
+    }
+
+    /**
+     * Draws the barcode annotations for position, size, and raw value on the supplied canvas.
+     */
+    @Override
+    public void draw(Canvas canvas) {
+        Barcode barcode = mBarcode;
+        if (barcode == null) {
+            return;
+        }
+
+        // Draws the bounding box around the barcode.
+        RectF rect = new RectF(barcode.getBoundingBox());
+        rect.left = translateX(rect.left);
+        rect.top = translateY(rect.top);
+        rect.right = translateX(rect.right);
+        rect.bottom = translateY(rect.bottom);
+
+        //canvas.drawRect(rect, mRectPaint);
+
+        /**
+         * Draw the top left corner
+         */
+        canvas.drawLine(rect.left - mCorderPadding, rect.top, rect.left + mCornerWidth, rect.top, mRectPaint);
+        canvas.drawLine(rect.left, rect.top, rect.left, rect.top + mCornerWidth, mRectPaint);
+
+        /**
+         * Draw the bottom left corner
+         */
+        canvas.drawLine(rect.left, rect.bottom, rect.left, rect.bottom - mCornerWidth, mRectPaint);
+        canvas.drawLine(rect.left - mCorderPadding, rect.bottom, rect.left + mCornerWidth, rect.bottom, mRectPaint);
+
+        /**
+         * Draw the top right corner
+         */
+        canvas.drawLine(rect.right + mCorderPadding, rect.top, rect.right - mCornerWidth, rect.top, mRectPaint);
+        canvas.drawLine(rect.right, rect.top, rect.right, rect.top + mCornerWidth, mRectPaint);
+
+        /**
+         * Draw the bottom right corner
+         */
+        canvas.drawLine(rect.right + mCorderPadding, rect.bottom, rect.right - mCornerWidth, rect.bottom, mRectPaint);
+        canvas.drawLine(rect.right, rect.bottom, rect.right, rect.bottom - mCornerWidth, mRectPaint);
+
+        // Draws a label at the bottom of the barcode indicate the barcode value that was detected.
+        canvas.drawText(barcode.displayValue, rect.left, rect.bottom + 100, mTextPaint);
+    }
+}