Make Module abstract and pass data helper around

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

@@ -26,6 +26,7 @@ import android.app.Activity;
 import android.os.Bundle;
 import android.widget.LinearLayout.LayoutParams;
 import android.widget.LinearLayout;
+import java.util.Arrays;
 
 import uk.co.md87.android.contexthome.contexts.*;
 import uk.co.md87.android.contexthome.modules.*;
@@ -42,18 +43,21 @@ public class ContextHome extends Activity {
             = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
 
     private LinearLayout layout, fixedLayout;
-    private final Module[] fixedModules = new Module[] {
-        new ContactsModule(), new AppsModule()
-    };
-    
-    private final Module[] modules = new Module[]{
-        new EmailModule(), new SmsModule(),
-    };
 
     private final ContextType[] contexts = new ContextType[]{
         new GlobalContext(), new HourContext(), new PeriodContext()
     };
 
+    private final DataHelper helper = new DataHelper(this, Arrays.asList(contexts));
+
+    private final Module[] fixedModules = new Module[] {
+        new ContactsModule(helper), new AppsModule(helper)
+    };
+
+    private final Module[] modules = new Module[]{
+        new EmailModule(helper), new SmsModule(helper),
+    };
+
     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle icicle) {

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

@@ -30,8 +30,14 @@ import android.view.View;
  *
  * @author chris
  */
-public interface Module {
+public abstract class Module {
 
-    View getView(final Context context, final int weight);
+    private final DataHelper helper;
+
+    public Module(final DataHelper helper) {
+        this.helper = helper;
+    }
+
+    public abstract View getView(final Context context, final int weight);
 
 }

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

@@ -33,6 +33,7 @@ import android.util.Log;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import uk.co.md87.android.contexthome.DataHelper;
 import uk.co.md87.android.contexthome.Module;
 import uk.co.md87.android.contexthome.R;
 
@@ -41,7 +42,11 @@ import uk.co.md87.android.contexthome.R;
  *
  * @author chris
  */
-public class AppsModule implements Module {
+public class AppsModule extends Module {
+
+    public AppsModule(DataHelper helper) {
+        super(helper);
+    }
 
     /** {@inheritDoc} */
     @Override

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

@@ -32,6 +32,7 @@ import android.provider.Contacts.Photos;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import uk.co.md87.android.contexthome.DataHelper;
 
 import uk.co.md87.android.contexthome.Module;
 import uk.co.md87.android.contexthome.R;
@@ -41,7 +42,11 @@ import uk.co.md87.android.contexthome.R;
  *
  * @author chris
  */
-public class ContactsModule implements Module {
+public class ContactsModule extends Module {
+
+    public ContactsModule(DataHelper helper) {
+        super(helper);
+    }
 
     /** {@inheritDoc} */
     @Override

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

@@ -39,6 +39,7 @@ import android.widget.LinearLayout.LayoutParams;
 import android.widget.TextView;
 import java.util.ArrayList;
 import java.util.List;
+import uk.co.md87.android.contexthome.DataHelper;
 
 import uk.co.md87.android.contexthome.Module;
 import uk.co.md87.android.contexthome.R;
@@ -48,7 +49,11 @@ import uk.co.md87.android.contexthome.R;
  *
  * @author chris
  */
-public class EmailModule implements Module {
+public class EmailModule extends Module {
+
+    public EmailModule(DataHelper helper) {
+        super(helper);
+    }
 
     /** {@inheritDoc} */
     @Override

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

@@ -36,6 +36,7 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.LinearLayout.LayoutParams;
 import android.widget.TextView;
+import uk.co.md87.android.contexthome.DataHelper;
 import uk.co.md87.android.contexthome.Module;
 import uk.co.md87.android.contexthome.R;
 
@@ -44,10 +45,14 @@ import uk.co.md87.android.contexthome.R;
  *
  * @author chris
  */
-public class SmsModule implements Module {
+public class SmsModule extends Module {
 
     private static final Uri INBOX_URI = Uri.parse("content://sms/inbox");
 
+    public SmsModule(DataHelper helper) {
+        super(helper);
+    }
+
     /** {@inheritDoc} */
     @Override
     public View getView(final Context context, final int weight) {