chore: enable app lifecycle and deep link events

amplitude · Feb 29, 2024 · c00d1c6 · c00d1c6
1 parent ceb8915
commit c00d1c6
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Showing 2 changed files with 67 additions and 3 deletions.
diff --git a/android/src/main/kotlin/com/amplitude/amplitude_flutter/AmplitudeFlutterPlugin.kt b/android/src/main/kotlin/com/amplitude/amplitude_flutter/AmplitudeFlutterPlugin.kt
@@ -1,5 +1,6 @@
 package com.amplitude.amplitude_flutter
 
+import android.app.Activity
 import android.content.Context
 import com.amplitude.android.Amplitude
 import com.amplitude.android.Configuration
@@ -14,10 +15,14 @@ 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 android.content.pm.PackageManager
+import com.amplitude.android.utilities.DefaultEventUtils
+import io.flutter.embedding.engine.plugins.activity.ActivityAware
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
 
-class AmplitudeFlutterPlugin : FlutterPlugin, MethodCallHandler {
+class AmplitudeFlutterPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
     lateinit var amplitude: Amplitude
-
+    private var activity: Activity? = null
     lateinit var ctxt: Context
 
     private lateinit var channel: MethodChannel
@@ -27,6 +32,22 @@ class AmplitudeFlutterPlugin : FlutterPlugin, MethodCallHandler {
         private const val methodChannelName = "amplitude_flutter"
     }
 
+    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 onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
         ctxt = binding.applicationContext
         channel = MethodChannel(binding.binaryMessenger, methodChannelName)
@@ -40,12 +61,18 @@ class AmplitudeFlutterPlugin : FlutterPlugin, MethodCallHandler {
     override fun onMethodCall(call: MethodCall, result: Result) {
         when (call.method) {
             "init" -> {
-                amplitude = Amplitude(getConfiguration(call))
+                val configuration = getConfiguration(call)
+                amplitude = Amplitude(configuration)
                 call.argument<String>("logLevel")?.let {
                     amplitude.logger.logMode = Logger.LogMode.valueOf(it.uppercase())
                 }
                 amplitude.logger.debug("Amplitude has been successfully initialized.")
 
+                trackAppLifecycleAndDeepLinkEvents(
+                    configuration.defaultTracking.appLifecycles,
+                    configuration.defaultTracking.deepLinks
+                )
+
                 result.success("init called..")
             }
 
@@ -127,6 +154,31 @@ class AmplitudeFlutterPlugin : FlutterPlugin, MethodCallHandler {
         }
     }
 
+    private fun trackAppLifecycleAndDeepLinkEvents(appLifecycles: Boolean, deepLinks: Boolean) {
+        amplitude.isBuilt.invokeOnCompletion { exception ->
+            if (exception != null) {
+                println("isBuilt computation failed with exception: $exception")
+            } else {
+                val utils = DefaultEventUtils(amplitude)
+
+                if (appLifecycles) {
+                    val packageManager = ctxt.packageManager
+                    var packageInfo = try {
+                        packageManager.getPackageInfo(ctxt.packageName, 0)
+                    } catch (ex: PackageManager.NameNotFoundException) {
+                        println("Error occurred in getting package info. " + ex.message)
+                        null
+                    }
+                    packageInfo?.let { utils.trackAppUpdatedInstalledEvent(it) }
+                }
+
+                if (deepLinks) {
+                    activity?.let { utils.trackDeepLinkOpenedEvent(it) }
+                }
+            }
+        }
+    }
+
     private fun getConfiguration(call: MethodCall): Configuration {
         val configuration = Configuration(call.argument<String>("apiKey")!!, context = ctxt)
         call.argument<Int>("flushQueueSize")?.let { configuration.flushQueueSize = it }

diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
@@ -40,6 +40,18 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <!-- Deep link to open this activity -->
+                <data
+                    android:scheme="app"
+                    android:host="amplitude_flutter_example" />
+            </intent-filter>
         </activity>
     </application>
     <meta-data