Add some sample data binding in Main Activity

app/src/main/java/com/mindorks/framework/mvvm/di/module/ActivityModule.java

@@ -20,6 +20,8 @@ import android.content.Context;
 import android.support.v7.app.AppCompatActivity;
 
 import com.mindorks.framework.mvvm.di.ActivityContext;
+import com.mindorks.framework.mvvm.di.PerActivity;
+import com.mindorks.framework.mvvm.viewmodel.main.MainViewModel;
 
 import dagger.Module;
 import dagger.Provides;
@@ -46,4 +48,10 @@ public class ActivityModule {
     AppCompatActivity provideActivity() {
         return mActivity;
     }
+
+    @Provides
+    @PerActivity
+    MainViewModel provideMainViewModel() {
+        return new MainViewModel("MainViewModel");
+    }
 }

app/src/main/java/com/mindorks/framework/mvvm/view/main/MainActivity.java

@@ -16,16 +16,45 @@
 
 package com.mindorks.framework.mvvm.view.main;
 
+import android.databinding.DataBindingUtil;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 
+import com.mindorks.framework.mvvm.MvvmApp;
 import com.mindorks.framework.mvvm.R;
+import com.mindorks.framework.mvvm.databinding.ActivityMainBinding;
+import com.mindorks.framework.mvvm.di.component.ActivityComponent;
+import com.mindorks.framework.mvvm.di.component.DaggerActivityComponent;
+import com.mindorks.framework.mvvm.di.module.ActivityModule;
+import com.mindorks.framework.mvvm.viewmodel.main.MainViewModel;
+
+import javax.inject.Inject;
 
 public class MainActivity extends AppCompatActivity {
 
+    private ActivityComponent mActivityComponent;
+
+    @Inject
+    public MainViewModel mainViewModel;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+        ActivityMainBinding mainBinding = DataBindingUtil.setContentView(this, R.layout.activity_main);
+
+        mActivityComponent = DaggerActivityComponent.builder()
+                .activityModule(new ActivityModule(this))
+                .applicationComponent(((MvvmApp) getApplication()).getComponent())
+                .build();
+
+        mActivityComponent.inject(this);
+
+        mainBinding.setViewmodel(mainViewModel);
+    }
+
+    @Override
+    protected void onResume() {
+        mainViewModel.setText("Amit Shekhar");
+        super.onResume();
     }
 }

app/src/main/java/com/mindorks/framework/mvvm/viewmodel/main/MainViewModel.java

@@ -16,9 +16,25 @@
 
 package com.mindorks.framework.mvvm.viewmodel.main;
 
+import android.databinding.BaseObservable;
+import android.databinding.ObservableField;
+
 /**
  * Created by amitshekhar on 07/07/17.
  */
 
-public class MainViewModel {
+public class MainViewModel extends BaseObservable {
+
+    public final ObservableField<String> value = new ObservableField<>();
+
+    private final String dummyValue;
+
+    public MainViewModel(String value) {
+        this.dummyValue = value;
+    }
+
+    public void setText(String text) {
+        this.value.set(text);
+    }
+
 }

app/src/main/res/layout/activity_main.xml

@@ -13,16 +13,34 @@
   ~  See the License for the specific language governing permissions and
   ~  limitations under the License
   -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
     tools:context="com.mindorks.framework.mvvm.view.main.MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!" />
+    <data>
+
+        <import type="android.view.View" />
+
+        <variable
+            name="view"
+            type="com.mindorks.framework.mvvm.view.main.MainActivity" />
+
+        <variable
+            name="viewmodel"
+            type="com.mindorks.framework.mvvm.viewmodel.main.MainViewModel" />
+
+    </data>
+
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{viewmodel.value}" />
+
+    </LinearLayout>
 
-</LinearLayout>
+</layout>
\ No newline at end of file