App StartTime with Custom Event

android-compose-robotshop/app/src/main/AndroidManifest.xml

@@ -26,6 +26,11 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <provider
+            android:name=".common.starttimehandler.StartupInitializer"
+            android:authorities="${applicationId}.instanaagentinitializer"
+            android:initOrder="2147483647"
+            android:exported="false" />
     </application>
 
 </manifest>

android-compose-robotshop/app/src/main/java/com/ibm/instashop/MainActivity.kt

@@ -8,9 +8,11 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.navigation.compose.rememberNavController
+import com.ibm.instashop.common.starttimehandler.LaunchTimeTracker
 import com.ibm.instashop.graphs.base_grapg.RootNavigationGraph
 import com.ibm.instashop.ui.theme.RobotShopTheme
 import dagger.hilt.android.AndroidEntryPoint
@@ -38,4 +40,7 @@ private fun ShowScreen(context: Context) {
     val navHostController = rememberNavController()
 
     RootNavigationGraph(navHostController = navHostController, context = context)
+    LaunchedEffect(Unit){
+        LaunchTimeTracker.stopTimer()
+    }
 }

android-compose-robotshop/app/src/main/java/com/ibm/instashop/common/starttimehandler/LaunchTimeTracker.kt

@@ -0,0 +1,29 @@
+package com.ibm.instashop.common.starttimehandler
+
+import com.instana.android.CustomEvent
+import com.instana.android.Instana
+
+
+object LaunchTimeTracker{
+
+    private var initialTimeInNanos: Long = 0
+    var launchTimeInNanos: Long = 0
+    private var doneTracking = false
+    fun startTimer(){
+        this.initialTimeInNanos = System.nanoTime()
+    }
+
+    fun stopTimer():Boolean{
+        if(doneTracking){
+            return false
+        }
+        launchTimeInNanos = System.nanoTime() - this.initialTimeInNanos;
+        Instana.reportEvent(CustomEvent("APP_START_TIMINGS").apply {
+            meta = mapOf(
+                "APP_START_LOAD_TIME_DURATION" to (launchTimeInNanos/1_000_000).toString()+"ms",
+            )
+        })
+        doneTracking = true
+        return true
+    }
+}

android-compose-robotshop/app/src/main/java/com/ibm/instashop/common/starttimehandler/StartupInitializer.kt

@@ -0,0 +1,33 @@
+package com.ibm.instashop.common.starttimehandler
+
+import android.content.ContentProvider
+import android.content.ContentValues
+import android.database.Cursor
+import android.net.Uri
+
+class StartupInitializer : ContentProvider() {
+    override fun onCreate(): Boolean {
+        LaunchTimeTracker.startTimer()
+        return true
+    }
+
+    override fun query(uri: Uri, projection: Array<out String>?, selection: String?, selectionArgs: Array<out String>?, sortOrder: String?): Cursor? {
+        return null
+    }
+
+    override fun getType(uri: Uri): String? {
+        return null
+    }
+
+    override fun insert(uri: Uri, values: ContentValues?): Uri? {
+        return null
+    }
+
+    override fun delete(uri: Uri, selection: String?, selectionArgs: Array<out String>?): Int {
+        return 0
+    }
+
+    override fun update(uri: Uri, values: ContentValues?, selection: String?, selectionArgs: Array<out String>?): Int {
+        return 0
+    }
+}

android-compose-robotshop/app/src/main/java/com/ibm/instashop/di/App.kt

@@ -23,7 +23,6 @@ class App : Application(){
        if(dataManager.getString(INSTANA_KEY).isNotEmpty()&&dataManager.getString(INSTANA_URL).isNotEmpty()){
            setupInstana(dataManager.getString(INSTANA_KEY),dataManager.getString(INSTANA_URL))
        }
-        setupInstana("dataManager.getString(INSTANA_KEY)","dataManager.getString(INSTANA_URL)")
         if(dataManager.getString(Constants.CURRENT_API_VERSION).isNotEmpty()){
             CurrentVersionInUse = dataManager.getString(Constants.CURRENT_API_VERSION)
         }