Modified the project structure, removed module extension and went instead for a non-complete core dependency graph

briar-android/src/org/briarproject/android/AndroidModule.java

@@ -1,11 +1,20 @@
 package org.briarproject.android;
 
-import org.briarproject.api.android.AndroidNotificationManager;
-import org.briarproject.api.android.ReferenceManager;
+import android.app.Application;
+import android.content.Context;
+
+import org.briarproject.android.api.AndroidNotificationManager;
+import org.briarproject.android.api.ReferenceManager;
+import org.briarproject.api.crypto.SecretKey;
+import org.briarproject.api.db.DatabaseConfig;
 import org.briarproject.api.event.EventBus;
 import org.briarproject.api.lifecycle.LifecycleManager;
+import org.briarproject.api.ui.UiCallback;
+
+import java.io.File;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import dagger.Module;
 import dagger.Provides;
@@ -18,14 +27,69 @@ public class AndroidModule {
 		AndroidNotificationManager androidNotificationManager;
 	}
 
+	private final UiCallback uiCallback;
+
+	public AndroidModule() {
+		// Use a dummy UI callback
+		uiCallback = new UiCallback() {
+
+			public int showChoice(String[] options, String... message) {
+				throw new UnsupportedOperationException();
+			}
+
+			public boolean showConfirmationMessage(String... message) {
+				throw new UnsupportedOperationException();
+			}
+
+			public void showMessage(String... message) {
+				throw new UnsupportedOperationException();
+			}
+		};
+	}
+
 	@Provides
-	@ApplicationScope
+	public UiCallback provideUICallback() {
+		return uiCallback;
+	}
+
+	@Provides
+	@Singleton
+	public DatabaseConfig provideDatabaseConfig(Application app) {
+		final File dir = app.getApplicationContext().getDir("db", Context.MODE_PRIVATE);
+		return new DatabaseConfig() {
+
+			private volatile SecretKey key = null;
+
+			public boolean databaseExists() {
+				return dir.isDirectory() && dir.listFiles().length > 0;
+			}
+
+			public File getDatabaseDirectory() {
+				return dir;
+			}
+
+			public void setEncryptionKey(SecretKey key) {
+				this.key = key;
+			}
+
+			public SecretKey getEncryptionKey() {
+				return key;
+			}
+
+			public long getMaxSize() {
+				return Long.MAX_VALUE;
+			}
+		};
+	}
+
+	@Provides
+	@Singleton
 	ReferenceManager provideReferenceManager() {
 		return new ReferenceManagerImpl();
 	}
 
 	@Provides
-	@ApplicationScope
+	@Singleton
 	AndroidNotificationManager provideAndroidNotificationManager(
 			LifecycleManager lifecycleManager, EventBus eventBus,
 			AndroidNotificationManagerImpl notificationManager) {