Adding some activities file and the view model file of the agent activity

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/view/AgentsActivity.java

@@ -6,11 +6,7 @@ import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.RecyclerView;
 
-import android.content.Intent;
 import android.os.Bundle;
-import android.view.View;
-import android.view.View.OnClickListener;
-
 import java.util.List;
 
 import fr.romanet.vj.apps.myrealestateagency.R;
@@ -18,7 +14,7 @@ import fr.romanet.vj.apps.myrealestateagency.adapter.AgentsAdapter;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
 import fr.romanet.vj.apps.myrealestateagency.viewmodel.AgentsActivityViewModel;
 
-final public class AgentsActivity extends AppCompatActivity implements OnClickListener {
+final public class AgentsActivity extends AppCompatActivity{
 
     private RecyclerView recyclerView;
 
@@ -31,26 +27,22 @@ final public class AgentsActivity extends AppCompatActivity implements OnClickLi
         setContentView(R.layout.activity_agents);
         recyclerView = findViewById(R.id.recyclerViewAgents);
         recyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));
+
         viewModel = new ViewModelProvider(this).get(AgentsActivityViewModel.class);
         observeAgents();
-
-        Intent i = new Intent(AgentsActivity.this, MapsActivity.class);
-        AgentsActivity.this.startActivity(i);
     }
 
     private void observeAgents()
     {
-        viewModel.agents.observe(this, new Observer<List<Agent>>() {
+        viewModel.agents.observe(this, new Observer<List<Agent>>()
+        {
             @Override
-            public void onChanged(List<Agent> agents) {
+            public void onChanged(List<Agent> users)
-                final AgentsAdapter agentsAdapter = new AgentsAdapter(agents);
+            {
-                recyclerView.setAdapter(agentsAdapter);
+                final AgentsAdapter usersAdapter = new AgentsAdapter(users);
+                recyclerView.setAdapter(usersAdapter);
             }
         });
     }
 
-    @Override
+}
-    public void onClick(View view) {
-
-    }
-}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/view/HomeActivity.java

@@ -0,0 +1,46 @@
+package fr.romanet.vj.apps.myrealestateagency.view;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.SystemClock;
+import android.util.Log;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ListView;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.LiveData;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import fr.romanet.vj.apps.myrealestateagency.R;
+import fr.romanet.vj.apps.myrealestateagency.database.RealEstateAgencyDatabase;
+import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
+
+final public class HomeActivity extends AppCompatActivity implements View.OnClickListener {
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_home);
+        Button button = (Button) findViewById(R.id.buttonFirst);
+        button.setOnClickListener(new View.OnClickListener()
+        {
+            public void onClick(View v)
+            {
+                Intent intent = new Intent(HomeActivity.this, AgentsActivity.class);
+                startActivity(intent);
+            }
+        });
+    }
+
+    @Override
+    public void onClick(View view) {
+
+    }
+
+}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/viewmodel/AgentsActivityViewModel.java

@@ -1,36 +1,26 @@
 package fr.romanet.vj.apps.myrealestateagency.viewmodel;
 
 import android.app.Application;
-import android.os.Handler;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.AndroidViewModel;
-import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LiveData;
-import androidx.lifecycle.LifecycleEventObserver;
-import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.MutableLiveData;
-import androidx.lifecycle.OnLifecycleEvent;
-import androidx.lifecycle.ViewModel;
 
 import java.util.List;
 
-import fr.romanet.vj.apps.myrealestateagency.repository.MyRealEstateAgencyRepository;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
+import fr.romanet.vj.apps.myrealestateagency.repository.AgentRepository;
 
-public final class AgentsActivityViewModel extends AndroidViewModel implements LifecycleObserver {
+public class AgentsActivityViewModel extends AndroidViewModel {
 
-    public MutableLiveData<List<Agent>> agents = new MutableLiveData<>();
+    public LiveData<List<Agent>> agents = new MutableLiveData<>();
-
+    public AgentRepository agentRepository;
-    private MyRealEstateAgencyRepository myRealEstateAgencyRepository;
 
     public AgentsActivityViewModel(@NonNull Application application)
     {
         super(application);
+        agentRepository = new AgentRepository(application);
+        agents = agentRepository.getAllAgents();
     }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
-    private void start_counter_on_activity_start(){
-        agents.postValue(MyRealEstateAgencyRepository.getInstance(getApplication()).getAgents());
-    }
-
 }