gradle 适配最新开发工具 android studio2024.2.2
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package com.rehome.dywoa.Listener
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import android.annotation.SuppressLint
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import android.util.Log
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import androidx.camera.core.ImageAnalysis
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import androidx.camera.core.ImageProxy
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import com.google.mlkit.vision.barcode.Barcode
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import com.google.mlkit.vision.barcode.BarcodeScannerOptions
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import com.google.mlkit.vision.barcode.BarcodeScanning
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import com.google.mlkit.vision.common.InputImage
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class QRCodeAnalyser(private val listener: (List<Barcode>, Int, Int) -> Unit) :
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ImageAnalysis.Analyzer {
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//配置当前扫码格式
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private val options = BarcodeScannerOptions.Builder()
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.setBarcodeFormats(
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Barcode.FORMAT_QR_CODE,
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Barcode.FORMAT_AZTEC
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).build()
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//获取解析器
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private val detector = BarcodeScanning.getClient(options)
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@SuppressLint("UnsafeExperimentalUsageError", "UnsafeOptInUsageError")
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override fun analyze(imageProxy: ImageProxy) {
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val mediaImage = imageProxy.image ?: kotlin.run {
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imageProxy.close()
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return
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}
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val image = InputImage.fromMediaImage(mediaImage, imageProxy.imageInfo.rotationDegrees)
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detector.process(image)
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.addOnSuccessListener { barCodes ->
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Log.i("app", "barCodes: ${barCodes.size}")
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if (barCodes.size > 0) {
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listener.invoke(barCodes, imageProxy.width, imageProxy.height)
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//接收到结果后，就关闭解析
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detector.close()
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}
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}
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.addOnFailureListener { Log.i("app", "Error: ${it.message}") }
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.addOnCompleteListener { imageProxy.close() }
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}
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}
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<?xml version="1.0" encoding="utf-8"?>
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<shape xmlns:android="http://schemas.android.com/apk/res/android"
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android:shape="rectangle">
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<solid android:color="#00ffffff" />
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<stroke
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android:width="2dp"
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android:color="#FF00FF00" />
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<corners
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android:bottomLeftRadius="1px"
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android:bottomRightRadius="1px"
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android:topLeftRadius="1px"
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android:topRightRadius="1px" />
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</shape>
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
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tools:context=".ui.activity.QrCodeActivity">
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<include
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android:id="@+id/toolbarView"
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layout="@layout/layout_base" />
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<FrameLayout
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android:id="@+id/fr_camera"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<androidx.camera.view.PreviewView
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android:id="@+id/previewView"
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android:layout_width="match_parent"
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android:layout_height="match_parent" />
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<LinearLayout
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:gravity="center"
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android:layout_gravity="center"
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android:orientation="vertical">
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<LinearLayout
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:background="@drawable/scan_bg"
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android:orientation="vertical">
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<com.rehome.dywoa.weiget.ScanView
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android:id="@+id/scanView"
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android:layout_width="250dp"
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android:layout_height="250dp"
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android:background="@android:color/transparent" />
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</LinearLayout>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_marginTop="10dp"
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android:textSize="16sp"
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android:textColor="#666666"
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android:textStyle="bold"
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android:text="@string/scan_text"/>
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</LinearLayout>
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</FrameLayout>
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</LinearLayout>
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