STEP 7 : play with activity lifecycle

Dev-Mind · Apr 5, 2019 · 7acc908 · 7acc908
1 parent 2858ebf
commit 7acc908
Showing 1 changed file with 16 additions and 1 deletion.
diff --git a/app/src/main/java/com/devmind/devoxx/MainActivity.kt b/app/src/main/java/com/devmind/devoxx/MainActivity.kt
@@ -6,12 +6,27 @@ import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
-
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.OnLifecycleEvent
+
+class DevoxxActivityObserver: LifecycleObserver{
+    @OnLifecycleEvent(Lifecycle.Event.ON_CREATE)
+    fun onCreate(owner: LifecycleOwner){
+        println("Event onCreate")
+    }
+    @OnLifecycleEvent(Lifecycle.Event.ON_ANY)
+    fun onAny(owner: LifecycleOwner, event: Lifecycle.Event){
+        println("Event ${event.name}")
+    }
+}
 open class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        lifecycle.addObserver(DevoxxActivityObserver())
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {