initial commit

.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/

.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled.
+
+version:
+  revision: 85684f9300908116a78138ea4c6036c35c9a1236
+  channel: stable
+
+project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+    - platform: android
+      create_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+      base_revision: 85684f9300908116a78138ea4c6036c35c9a1236
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

.vscode/launch.json

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+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "easy_upi_payment",
+      "request": "launch",
+      "type": "dart"
+    },
+    {
+      "name": "easy_upi_payment (profile mode)",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "profile"
+    },
+    {
+      "name": "easy_upi_payment (release mode)",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "release"
+    },
+    {
+      "name": "example",
+      "cwd": "example",
+      "request": "launch",
+      "type": "dart"
+    },
+    {
+      "name": "example (profile mode)",
+      "cwd": "example",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "profile"
+    },
+    {
+      "name": "example (release mode)",
+      "cwd": "example",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "release"
+    }
+  ]
+}

.vscode/settings.json

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+{
+  "cSpell.words": [
+    "mandir"
+  ]
+}

CHANGELOG.md

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+## 0.0.1
+
+* TODO: Describe initial release.

README.md

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+# easy_upi_payment
+
+A new flutter plugin to make upi payment (only on Android).
+
+## Getting Started
+
+This project is a starting point for a Flutter
+[plug-in package](https://flutter.dev/developing-packages/),
+a specialized package that includes platform-specific implementation code for
+Android and/or iOS.
+
+For help getting started with Flutter development, view the
+[online documentation](https://flutter.dev/docs), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
+

analysis_options.yaml

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+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

android/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.cxx

android/build.gradle

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+group 'com.pcu.easy_upi_payment'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    ext.kotlin_version = '1.6.10'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.1.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 31
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        minSdkVersion 19
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "dev.shreyaspatil.EasyUpiPayment:EasyUpiPayment:3.0.3"
+}

android/settings.gradle

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+rootProject.name = 'easy_upi_payment'

android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="com.pcu.easy_upi_payment">
+</manifest>

android/src/main/kotlin/com/pcu/easy_upi_payment/EasyUpiPaymentPlugin.kt

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+package com.pcu.easy_upi_payment
+
+import android.app.Activity
+import androidx.annotation.NonNull
+import dev.shreyaspatil.easyupipayment.EasyUpiPayment
+import dev.shreyaspatil.easyupipayment.listener.PaymentStatusListener
+import dev.shreyaspatil.easyupipayment.model.TransactionDetails
+import dev.shreyaspatil.easyupipayment.model.TransactionStatus
+
+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
+
+/** EasyUpiPaymentPlugin */
+class EasyUpiPaymentPlugin: FlutterPlugin, MethodCallHandler, ActivityAware, PaymentStatusListener {
+  /// The MethodChannel that will the communication between Flutter and native Android
+  ///
+  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
+  /// when the Flutter Engine is detached from the Activity
+  private lateinit var channel : MethodChannel
+  private var activity: Activity? = null
+  private lateinit var result: Result
+  private var easyUpiPayment: EasyUpiPayment? = null
+
+  override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
+    channel = MethodChannel(flutterPluginBinding.binaryMessenger, "easy_upi_payment")
+    channel.setMethodCallHandler(this)
+  }
+
+  override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
+    if (call.method == "startPayment" && activity != null) {
+        this.result = result
+        easyUpiPayment = EasyUpiPayment(activity!!) {
+        this.payeeVpa = call.argument<String>("payeeVpa")
+        this.payeeName = call.argument<String>("payeeName")
+        this.payeeMerchantCode = call.argument<String?>("payeeMerchantCode")
+        this.transactionId = call.argument<String>("transactionId")
+        this.transactionRefId = call.argument<String>("transactionRefId")
+        this.description = call.argument<String?>("description")
+        this.amount = call.argument<String>("amount")
+      }
+
+      easyUpiPayment?.setPaymentStatusListener(this);
+      easyUpiPayment?.startPayment()
+
+    } else {
+      result.notImplemented()
+    }
+  }
+
+  override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
+    channel.setMethodCallHandler(null)
+  }
+
+  override fun onAttachedToActivity(binding: ActivityPluginBinding) {
+    activity = binding.activity;
+  }
+
+  override fun onDetachedFromActivityForConfigChanges() {
+    activity = null;
+  }
+
+  override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
+    activity = binding.activity;
+  }
+
+  override fun onDetachedFromActivity() {
+    activity = null;
+  }
+
+  override fun onTransactionCancelled() {
+    result.error("Cancelled", "Transaction cancelled by user", "Transaction was cancelled by the user");
+  }
+
+  override fun onTransactionCompleted(transactionDetails: TransactionDetails) {
+    when(transactionDetails.transactionStatus) {
+      TransactionStatus.FAILURE -> result.error(
+        "Failure",
+        "Transaction is failed.",
+        "Transaction is failed."
+      )
+      TransactionStatus.SUCCESS -> result.success(
+        hashMapOf(
+          "transactionId" to transactionDetails.transactionId,
+          "responseCode" to transactionDetails.responseCode,
+          "approvalRefNo" to transactionDetails.approvalRefNo,
+          "transactionRefId" to transactionDetails.transactionRefId,
+          "amount" to transactionDetails.amount,
+        ),
+      )
+      TransactionStatus.SUBMITTED -> result.error(
+        "Submitted",
+        "Transaction is in PENDING state. Money might get deducted from user’s account but not yet deposited in payee’s account.",
+        "Transaction is in PENDING state. Money might get deducted from user’s account but not yet deposited in payee’s account."
+      )
+    }
+    easyUpiPayment?.removePaymentStatusListener();
+  }
+}

example/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

example/README.md

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+# easy_upi_payment_example
+
+Demonstrates how to use the easy_upi_payment plugin.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.