From cf6a96345c659ac4dc63ce97205998eda72bb747 Mon Sep 17 00:00:00 2001
From: jimi <jinfield@gmail.com>
Date: Thu, 26 Jul 2012 23:23:28 -0500
Subject: [PATCH] Implement DisplayMessage activity:

  - Define class for DisplayMessage activity
  - Activity creates ad-hoc TextView for message output
  - Create Intent on method call from button click
  - Transfer data to new activity, display TextView
---
 AndroidManifest.xml                           |  7 ++++++
 res/values/strings.xml                        |  1 +
 .../sampleapp/DisplayMessageActivity.java     | 25 +++++++++++++++++++
 src/com/jinfield/sampleapp/MainActivity.java  | 10 +++++++-
 4 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 src/com/jinfield/sampleapp/DisplayMessageActivity.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 42a7d51..95f8615 100644
--- a/AndroidManifest.xml
+++ b/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.jinfield.sampleapp.MainActivity" />
+        </activity>
     </application>
 </manifest>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index e46c64e..e523daa 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5,4 +5,5 @@
     <string name="button_send">Send</string>
     <string name="menu_settings">Settings</string>
     <string name="title_activity_main">MainActivity</string>
+    <string name="title_activity_display_message">DisplayMessageActivity</string>
 </resources>
diff --git a/src/com/jinfield/sampleapp/DisplayMessageActivity.java b/src/com/jinfield/sampleapp/DisplayMessageActivity.java
new file mode 100644
index 0000000..3f19b15
--- /dev/null
+++ b/src/com/jinfield/sampleapp/DisplayMessageActivity.java
@@ -0,0 +1,25 @@
+package com.jinfield.sampleapp;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.content.Intent;
+import android.widget.TextView;
+
+public class DisplayMessageActivity extends Activity {
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    // Recieve message from the intent
+    Intent intent = getIntent();
+    String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);
+
+    // Create TextView
+    TextView textView = new TextView(this);
+    textView.setTextSize(40);
+    textView.setText(message);
+
+    // Set textView as activity layout
+    setContentView(textView);
+  }
+}
diff --git a/src/com/jinfield/sampleapp/MainActivity.java b/src/com/jinfield/sampleapp/MainActivity.java
index ee8b6d6..1479bfb 100644
--- a/src/com/jinfield/sampleapp/MainActivity.java
+++ b/src/com/jinfield/sampleapp/MainActivity.java
@@ -3,9 +3,13 @@ package com.jinfield.sampleapp;
 import android.app.Activity;
 import android.os.Bundle;
 import android.view.View;
+import android.content.Intent;
+import android.widget.EditText;
 
 public class MainActivity extends Activity
 {
+    public final static String EXTRA_MESSAGE = "com.jinfield.sampleapp.MESSAGE";
+
     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle savedInstanceState)
@@ -15,6 +19,10 @@ public class MainActivity extends Activity
     }
     /** Called whe user clicks the send Button */
     public void sendMessage(View view) {
-      // TODO
+      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);
     }
 }