Add module system and very basic SMS module to context home

code/ContextHome/AndroidManifest.xml

@@ -6,11 +6,14 @@
             android:icon="@drawable/icon" android:theme="@android:style/Theme.Black.NoTitleBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
                 <category android:name="android.intent.category.HOME"/>
                 <category android:name="android.intent.category.DEFAULT"/>
             </intent-filter>
         </activity>
     </application>
 
+    <uses-permission android:name="android.permission.READ_SMS"/>
+
     <uses-sdk android:minSdkVersion="3" />
 </manifest>

code/ContextHome/res/layout/main.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent">" 
-    <TextView
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="Hello Android from NetBeans"/>
-</LinearLayout>

code/ContextHome/src/uk/co/md87/android/contexthome/ContextHome.java

@@ -24,6 +24,9 @@ package uk.co.md87.android.contexthome;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.widget.LinearLayout.LayoutParams;
+import android.widget.LinearLayout;
+import uk.co.md87.android.contexthome.modules.SmsModule;
 
 /**
  * A home screen that displays e-mails, text messages, etc, and responds to
@@ -33,11 +36,35 @@ import android.os.Bundle;
  */
 public class ContextHome extends Activity {
 
+    private static final LayoutParams MODULE_PARAMS
+            = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
+
+    private LinearLayout layout;
+    private final Module[] modules = new Module[]{
+        new SmsModule(), new SmsModule(), new SmsModule(), new SmsModule(),
+        new SmsModule(), new SmsModule(), new SmsModule(), new SmsModule(),
+        new SmsModule(), new SmsModule(),
+    };
+
     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
-        // ToDo add your GUI initialization code here        
+        
+        layout = new LinearLayout(this);
+        MODULE_PARAMS.weight = (float) 1 / 10;
+        layout.setOrientation(LinearLayout.VERTICAL);
+        setContentView(layout);
+
+        initLayout();
+    }
+
+    private void initLayout() {
+        layout.removeAllViews();
+
+        for (Module module : modules) {
+            layout.addView(module.getView(this, 1), MODULE_PARAMS);
+        }
     }
 
 }

code/ContextHome/src/uk/co/md87/android/contexthome/Module.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2009-2010 Chris Smith
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package uk.co.md87.android.contexthome;
+
+import android.content.Context;
+import android.view.View;
+
+/**
+ * A module which can be displayed on the context-aware home screen.
+ *
+ * @author chris
+ */
+public interface Module {
+
+    View getView(final Context context, final int weight);
+
+}

code/ContextHome/src/uk/co/md87/android/contexthome/R.java

@@ -13,10 +13,7 @@ public final class R {
     public static final class drawable {
         public static final int icon=0x7f020000;
     }
-    public static final class layout {
-        public static final int main=0x7f030000;
-    }
     public static final class string {
-        public static final int app_name=0x7f040000;
+        public static final int app_name=0x7f030000;
     }
 }

code/ContextHome/src/uk/co/md87/android/contexthome/modules/SmsModule.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2009-2010 Chris Smith
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package uk.co.md87.android.contexthome.modules;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import uk.co.md87.android.contexthome.Module;
+
+/**
+ * A module which displays SMS messages.
+ *
+ * @author chris
+ */
+public class SmsModule implements Module {
+
+    private static final Uri INBOX_URI = Uri.parse("content://sms/inbox");
+
+    /** {@inheritDoc} */
+    @Override
+    public View getView(final Context context, final int weight) {
+        final LinearLayout layout = new LinearLayout(context);
+        final TextView text = new TextView(context);
+
+        final Cursor cursor = context.getContentResolver().query(INBOX_URI,
+                new String[] { "_id", "date", "body" }, null, null, "date DESC");
+        if (cursor.moveToFirst()) {
+            text.setText(cursor.getString(cursor.getColumnIndex("body")));
+        }
+        cursor.close();
+        
+        layout.addView(text);
+
+        return layout;
+    }
+
+}