add DisplayMessageActivity - still using main layout

AndroidManifest.xml

@@ -11,5 +11,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+          android:name=".DisplayMessageActivity"
+          android:label="@string/title_activity_display_message">
+          <meta-data
+            android:name="android.support.PARENT_ACTIVITY"
+            android:value="com.example.myfirstapp.MainActivity" />
+        </activity>
     </application>
 </manifest>

res/layout/main.xml

@@ -12,6 +12,7 @@
   <Button
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="@string/button_send" />
+    android:text="@string/button_send"
+    android:onClick="sendMessage" />
 </LinearLayout>
 

res/values/strings.xml

@@ -3,4 +3,5 @@
     <string name="app_name">Joshs First App</string>
     <string name="edit_message">Enter your message, fu</string>
     <string name="button_send">Send It, Yo</string>
+    <string name="title_activity_display_message">Da Message</string>
 </resources>

src/com/example/myfirstapp/DisplayMessageActivity.java

@@ -0,0 +1,14 @@
+package com.example.myfirstapp;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class DisplayMessageActivity extends Activity
+{
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+    }
+}

src/com/example/myfirstapp/MainActivity.java

@@ -2,9 +2,14 @@ package com.example.myfirstapp;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.EditText;
+import android.content.Intent;
 
 public class MainActivity extends Activity
 {
+    public final static String EXTRA_MESSAGE = "com.example.myfirstapp.MESSAGE";
+
     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle savedInstanceState)
@@ -12,4 +17,13 @@ public class MainActivity extends Activity
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
     }
+
+    public void sendMessage(View view)
+    {
+        Intent intent = new Intent(this, DisplayMessageActivity.class);
+        EditText editText = (EditText) findViewById(R.id.edit_message);
+        String message = editText.getText().toString();
+        intent.putExtra(EXTRA_MESSAGE, message);
+        startActivity(intent);
+    }
 }