blackcj · August 15, 2013 19:53 · Aug 15, 2013 · Aug 15, 2013 · Aug 15, 2013
diff --git a/ActivityEventListener.md b/ActivityEventListener.md
@@ -1,4 +1,7 @@
 Step 1: Add any functions you want to call into the interface (EventListener).
+
 Step 2: Implement those functions in your MainActivity.
+
 Step 3: Create the listener in your Fragment and attach it to the Activity.
+
 Step 4: Call any functions on the listener.
diff --git a/_ActivityEventListener.md → ActivityEventListener.md b/_ActivityEventListener.md → ActivityEventListener.md
diff --git a/MainActivity.java b/MainActivity.java
@@ -9,7 +9,7 @@ public class MainActivity extends FragmentActivity implements EventListener {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+        setContentView(R.layout.x_activity_main);
     }
 
 

diff --git a/activity_main.xml → x_activity_main.xml b/activity_main.xml → x_activity_main.xml
diff --git a/DetailFragment.java b/DetailFragment.java
@@ -0,0 +1,37 @@
+import android.app.Activity;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Created by cblack on 8/15/13.
+ */
+public class DetailFragment extends Fragment {
+    private EventListener listener;
+
+    @Override
+    public void onAttach(Activity activity)
+    {
+        super.onAttach(activity);
+        if(activity instanceof EventListener) {
+            listener = (EventListener)activity;
+        } else {
+            // Throw an error!
+        }
+    }
+
+    /**
+     *
+     */
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+
+        View v = inflater.inflate(R.layout.fragment_detail, container, false);
+
+        listener.sendDataToActivity("Hello World!");
+
+        return v;
+    }
+}
diff --git a/EventListener.java b/EventListener.java
@@ -0,0 +1,8 @@
+/**
+ * Created by cblack on 8/15/13.
+ */
+public interface EventListener {
+
+    public void sendDataToActivity(String data);
+
+}
diff --git a/MainActivity.java b/MainActivity.java
@@ -0,0 +1,27 @@
+import android.os.Bundle;
+import android.app.Activity;
+import android.support.v4.app.FragmentActivity;
+import android.util.Log;
+import android.view.Menu;
+
+public class MainActivity extends FragmentActivity implements EventListener {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.main, menu);
+        return true;
+    }
+
+    @Override
+    public void sendDataToActivity(String data) {
+        Log.i("MainActivity", "sendDataToActivity: " + data);
+    }
+}
diff --git a/_ActivityEventListener.md b/_ActivityEventListener.md
@@ -0,0 +1,4 @@
+Step 1: Add any functions you want to call into the interface (EventListener).
+Step 2: Implement those functions in your MainActivity.
+Step 3: Create the listener in your Fragment and attach it to the Activity.
+Step 4: Call any functions on the listener.
diff --git a/activity_main.xml b/activity_main.xml
@@ -0,0 +1,13 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <fragment
+            android:name="com.example.listenerdemo.DetailFragment"
+            android:id="@+id/detail_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+</RelativeLayout>
diff --git a/fragment_detail.xml b/fragment_detail.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+</LinearLayout>
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