同步代码

android/src/main/kotlin/com/apptreesoftware/barcodescan/BarcodeScanPlugin.kt

@@ -1,92 +0,0 @@
-package com.apptreesoftware.barcodescan
-
-import android.app.Activity
-import android.content.Intent
-import io.flutter.embedding.engine.plugins.FlutterPlugin
-import io.flutter.embedding.engine.plugins.activity.ActivityAware
-import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
-import io.flutter.plugin.common.MethodCall
-import io.flutter.plugin.common.MethodChannel
-import io.flutter.plugin.common.MethodChannel.MethodCallHandler
-import io.flutter.plugin.common.MethodChannel.Result
-import io.flutter.plugin.common.PluginRegistry
-import io.flutter.plugin.common.PluginRegistry.Registrar
-
-class BarcodeScanPlugin(): MethodCallHandler, PluginRegistry.ActivityResultListener, FlutterPlugin, ActivityAware {
-  
-  private var result : Result? = null
-  private var channel: MethodChannel? = null
-  private var activity: Activity? = null
-
-  constructor(activity: Activity?) : this() {
-    this.activity = activity
-  }
-
-  companion object {
-    @JvmStatic
-    fun registerWith(registrar: Registrar) {
-      val channel = MethodChannel(registrar.messenger(), "com.apptreesoftware.barcode_scan")
-      if (registrar.activity() != null) {
-        val plugin = BarcodeScanPlugin(registrar.activity())
-        channel.setMethodCallHandler(plugin)
-        registrar.addActivityResultListener(plugin)
-      }  
-    }
-  }
-
-  override fun onMethodCall(call: MethodCall, result: Result) {
-    if (call.method == "scan") {
-      this.result = result
-      showBarcodeView()
-    } else {
-      result.notImplemented()
-    }
-  }
-
-  private fun showBarcodeView() {
-    activity?.let {
-      val intent = Intent(it, BarcodeScannerActivity::class.java)
-      it.startActivityForResult(intent, 100)
-    }
-  }
-
-  override fun onActivityResult(code: Int, resultCode: Int, data: Intent?): Boolean {
-    if (code == 100) {
-      if (resultCode == Activity.RESULT_OK) {
-        val barcode = data?.getStringExtra("SCAN_RESULT")
-        barcode?.let { this.result?.success(barcode) }
-      } else {
-        val errorCode = data?.getStringExtra("ERROR_CODE")
-        this.result?.error(errorCode, null, null)
-      }
-      return true
-    }
-    return false
-  }
-
-  override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
-    channel = MethodChannel(binding.binaryMessenger, "com.apptreesoftware.barcode_scan")
-  }
-
-  override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
-    channel?.setMethodCallHandler(null)
-  }
-
-  override fun onAttachedToActivity(binding: ActivityPluginBinding) {
-    val plugin = BarcodeScanPlugin(binding.activity)
-    channel?.setMethodCallHandler(plugin)
-    binding.addActivityResultListener(plugin)
-  }
-
-  override fun onDetachedFromActivity() {
-
-  }
-
-  override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
-    onAttachedToActivity(binding)
-  }
-
-  override fun onDetachedFromActivityForConfigChanges() {
-    onDetachedFromActivity()
-  }
-}

android/src/main/kotlin/de/mintware/barcode_scan/BarcodeScanPlugin.kt

@@ -2,7 +2,9 @@ package de.mintware.barcode_scan
 
 import android.app.Activity
 import android.content.Intent
-import android.util.Log
+import io.flutter.embedding.engine.plugins.FlutterPlugin
+import io.flutter.embedding.engine.plugins.activity.ActivityAware
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
@@ -10,18 +12,27 @@ import io.flutter.plugin.common.MethodChannel.Result
 import io.flutter.plugin.common.PluginRegistry
 import io.flutter.plugin.common.PluginRegistry.Registrar
 
-class BarcodeScanPlugin(private val registrar: Registrar) : MethodCallHandler, PluginRegistry.ActivityResultListener {
+class BarcodeScanPlugin(): MethodCallHandler, PluginRegistry.ActivityResultListener, FlutterPlugin, ActivityAware {
-    var result: Result? = null
+  
+  private var result : Result? = null
+  private var channel: MethodChannel? = null
+  private var activity: Activity? = null
+
+  constructor(activity: Activity?) : this() {
+    this.activity = activity
+  }
 
   companion object {
     @JvmStatic
     fun registerWith(registrar: Registrar) {
       val channel = MethodChannel(registrar.messenger(), "de.mintware.barcode_scan")
-            val plugin = BarcodeScanPlugin(registrar)
+      if (registrar.activity() != null) {
+        val plugin = BarcodeScanPlugin(registrar.activity())
         channel.setMethodCallHandler(plugin)
         registrar.addActivityResultListener(plugin)
       }  
     }
+  }
 
   override fun onMethodCall(call: MethodCall, result: Result) {
     if (call.method == "scan") {
@@ -33,12 +44,10 @@ class BarcodeScanPlugin(private val registrar: Registrar) : MethodCallHandler, P
   }
 
   private fun showBarcodeView() {
-        if (registrar.activity() == null) {
+    activity?.let {
-            Log.e("BarcodeScanPlugin", "plugin can't launch scan activity, because plugin is not attached to any activity.")
+      val intent = Intent(it, BarcodeScannerActivity::class.java)
-            return
+      it.startActivityForResult(intent, 100)
     }
-        val intent = Intent(registrar.activity(), BarcodeScannerActivity::class.java)
-        registrar.activity().startActivityForResult(intent, 100)
   }
 
   override fun onActivityResult(code: Int, resultCode: Int, data: Intent?): Boolean {
@@ -54,4 +63,30 @@ class BarcodeScanPlugin(private val registrar: Registrar) : MethodCallHandler, P
     }
     return false
   }
+
+  override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
+    channel = MethodChannel(binding.binaryMessenger, "de.mintware.barcode_scan")
+  }
+
+  override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
+    channel?.setMethodCallHandler(null)
+  }
+
+  override fun onAttachedToActivity(binding: ActivityPluginBinding) {
+    val plugin = BarcodeScanPlugin(binding.activity)
+    channel?.setMethodCallHandler(plugin)
+    binding.addActivityResultListener(plugin)
+  }
+
+  override fun onDetachedFromActivity() {
+
+  }
+
+  override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
+    onAttachedToActivity(binding)
+  }
+
+  override fun onDetachedFromActivityForConfigChanges() {
+    onDetachedFromActivity()
+  }
 }

example/android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.yourcompany.barcodescanexample">
+    package="com.apptreesoftware.barcodescanexample">
 
     <!-- The INTERNET permission is required for development. Specifically,
          flutter needs it to communicate with the running application
@@ -20,7 +20,7 @@
             android:hardwareAccelerated="true"
             android:exported="true"
             android:launchMode="singleTop"
-            android:name="com.apptreesoftware.barcodescanexample.EmbeddingV1Activity"
+            android:name=".EmbeddingV1Activity"
             android:theme="@style/LaunchTheme"
             android:windowSoftInputMode="adjustResize">
 
@@ -33,7 +33,7 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
             android:hardwareAccelerated="true"
             android:launchMode="singleTop"
-            android:name="com.apptreesoftware.barcodescanexample.MainActivity"
+            android:name=".MainActivity"
             android:theme="@style/LaunchTheme"
             android:windowSoftInputMode="adjustResize">
             <!-- Specify that the launch screen should continue being displayed -->

example/android/app/src/main/kotlin/com/apptreesoftware/barcodescanexample/MainActivity.kt

@@ -1,6 +1,6 @@
-package de.mintware.barcode_scan_example
+package com.apptreesoftware.barcodescanexample
 
-import com.apptreesoftware.barcodescan.BarcodeScanPlugin
+import de.mintware.barcode_scan.BarcodeScanPlugin
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: barcode_scan
-description: A flutter plugin for scanning 2D barcodes and QRCodes.
+description: A flutter plugin for scanning 2D barcodes and QRCodes via camera.
-version: 1.0.0
+version: 2.0.0
 author: Matthew Smith<matthew.smith@apptreesoftware.com>
 homepage: https://github.com/apptreesoftware/flutter_barcode_reader
 
@@ -20,7 +20,7 @@ flutter:
   plugin:
     platforms:
       android:
-        package: com.apptreesoftware.barcodescan
+        package: de.mintware.barcode_scan
         pluginClass: BarcodeScanPlugin
       ios:
         pluginClass: BarcodeScanPlugin