add instrumentation to demo app

Author: cleverchuk

demo-app/build.gradle.kts

@@ -66,6 +66,7 @@ dependencies {
 
     coreLibraryDesugaring(libs.desugarJdkLibs)
 
+    implementation("io.opentelemetry.android:instrumentation-compose")
     implementation("io.opentelemetry.android:android-agent")    //parent dir
     implementation("io.opentelemetry.android:instrumentation-sessions")
     implementation(libs.androidx.core.ktx)

demo-app/settings.gradle.kts

@@ -22,6 +22,8 @@ dependencyResolutionManagement {
 
 includeBuild("..") {
     dependencySubstitution {
+        substitute(module("io.opentelemetry.android:instrumentation-compose"))
+            .using(project(":instrumentation:compose"))
         substitute(module("io.opentelemetry.android:android-agent"))
             .using(project(":android-agent"))
         substitute(module("io.opentelemetry.android:instrumentation-sessions"))

demo-app/src/main/java/io/opentelemetry/android/demo/MainOtelButton.kt

@@ -17,6 +17,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.semantics.onClick
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
 import io.opentelemetry.api.metrics.LongCounter
 import io.opentelemetry.api.trace.SpanKind
@@ -28,7 +30,9 @@ fun MainOtelButton(icon: Painter,
         Spacer(modifier = Modifier.height(5.dp))
         Button(
             onClick = { generateClickEvent(clickCounter) },
-            modifier = Modifier.padding(20.dp),
+            modifier = Modifier.padding(20.dp).semantics{
+                onClick("MainOtelButton") { true }
+            },
             colors = ButtonDefaults.buttonColors(containerColor = Color.Black),
             content = {
                 Image(