MVVM tests

app/build.gradle

@@ -34,6 +34,8 @@ dependencies {
     implementation 'com.google.android.material:material:1.2.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation "androidx.room:room-runtime:2.2.5"
+    implementation 'com.google.android.gms:play-services-maps:17.0.0'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
     annotationProcessor "androidx.room:room-compiler:2.2.5"
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'

app/src/debug/res/values/google_maps_api.xml

@@ -0,0 +1,24 @@
+<resources>
+    <!--
+    TODO: Before you run your application, you need a Google Maps API key.
+
+    To get one, follow this link, follow the directions and press "Create" at the end:
+
+    https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=01:3E:04:87:2F:D1:3F:E0:D7:2C:3F:F2:82:19:D4:FA:28:64:84:4D%3Bfr.romanet.vj.apps.myrealestateagency.view
+
+    You can also add your credentials to an existing key, using these values:
+
+    Package name:
+    fr.romanet.vj.apps.myrealestateagency.view
+
+    SHA-1 certificate fingerprint:
+    01:3E:04:87:2F:D1:3F:E0:D7:2C:3F:F2:82:19:D4:FA:28:64:84:4D
+
+    Alternatively, follow the directions here:
+    https://developers.google.com/maps/documentation/android/start#get-key
+
+    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
+    string in this file.
+    -->
+    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">AIzaSyAAltvI3LZ9wAOuygKQybgJN5tIQhPk_Hg</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -2,6 +2,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="fr.romanet.vj.apps.myrealestateagency">
 
+    <!--
+         The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
+         Google Maps Android API v2, but you must specify either coarse or fine
+         location permissions for the "MyLocation" functionality.
+    -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -9,7 +17,23 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.MyRealEstateAgency">
-        <activity android:name=".MainActivity">
+
+        <!--
+             The API key for Google Maps-based APIs is defined as a string resource.
+             (See the file "res/values/google_maps_api.xml").
+             Note that the API key is linked to the encryption key used to sign the APK.
+             You need a different API key for each encryption key, including the release key that is used to
+             sign the APK for publishing.
+             You can define the keys for the debug and release targets in src/debug/ and src/release/.
+        -->
+        <meta-data
+        android:name="com.google.android.geo.API_KEY"
+        android:value="@string/google_maps_key" />
+
+        <activity
+            android:name=".view.MapsActivity"
+            android:label="@string/title_activity_maps"></activity>
+        <activity android:name=".view.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/dao/AgencyWithPropertiesDao.java

@@ -6,11 +6,11 @@ import androidx.room.Transaction;
 
 import java.util.List;
 
-import fr.romanet.vj.apps.myrealestateagency.entities.AgencyWithProperties;
+//import fr.romanet.vj.apps.myrealestateagency.entities.AgencyWithProperties;
 
-@Dao
+//@Dao
-public interface AgencyWithPropertiesDao {
+//public interface AgencyWithPropertiesDao {
-    @Transaction
+//    @Transaction
-    @Query("SELECT * FROM agency")
+//    @Query("SELECT * FROM agency")
-    List<AgencyWithProperties> getAgenciesAndProperties();
+//    List<AgencyWithProperties> getAgenciesAndProperties();
-}
+//}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/database/RealEstateAgencyDatabase.java

@@ -9,7 +9,7 @@ import androidx.room.TypeConverters;
 
 import fr.romanet.vj.apps.myrealestateagency.dao.AgencyDao;
 import fr.romanet.vj.apps.myrealestateagency.dao.AgencyWithAgentsDao;
-import fr.romanet.vj.apps.myrealestateagency.dao.AgencyWithPropertiesDao;
+//import fr.romanet.vj.apps.myrealestateagency.dao.AgencyWithPropertiesDao;
 import fr.romanet.vj.apps.myrealestateagency.dao.PropertyDao;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agency;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
@@ -24,6 +24,6 @@ public abstract class RealEstateAgencyDatabase extends RoomDatabase {
     public abstract AgencyDao agencyDao();
     public abstract PropertyDao propertyDao();
     public abstract AgencyWithAgentsDao agencyWithAgentsDao();
-    public abstract AgencyWithPropertiesDao agencyWithPropertiesDaoDao();
+//    public abstract AgencyWithPropertiesDao agencyWithPropertiesDaoDao();
 
 }

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/entities/AgencyWithProperties.java

@@ -1,15 +1,15 @@
-package fr.romanet.vj.apps.myrealestateagency.entities;
+    package fr.romanet.vj.apps.myrealestateagency.entities;
 
 import androidx.room.Embedded;
 import androidx.room.Relation;
 
 import java.util.List;
 
-public class AgencyWithProperties {
+//public class AgencyWithProperties {
-    public int agency_id;
+//    public int agency_id;
-    @Relation(
+//    @Relation(
-            parentColumn = "agency_id",
+//            parentColumn = "agency_id",
-            entityColumn = "belongs_agency_id"
+//            entityColumn = "belongs_agency_id"
-    )
+//    )
-    public List<AgencyWithProperties> agents;
+//    public List<AgencyWithProperties> agents;
-}
+//}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/repository/MainActivityRepository.java

@@ -0,0 +1,7 @@
+package fr.romanet.vj.apps.myrealestateagency.repository;
+
+import androidx.lifecycle.LifecycleObserver;
+
+public class MainActivityRepository implements LifecycleObserver {
+
+}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/repository/MapsActivityRepository.java

@@ -0,0 +1,15 @@
+package fr.romanet.vj.apps.myrealestateagency.repository;
+
+import android.content.Context;
+import android.location.Address;
+import android.location.Geocoder;
+
+import java.io.IOException;
+import java.util.List;
+
+public class MapsActivityRepository {
+    public List<Address> get_lat_long_from_address(String address, Context context) throws IOException {
+        Geocoder gc = new Geocoder(context);
+        return gc.getFromLocationName(address, 1);
+    }
+}

app/src/main/java/fr/romanet/vj/apps/myrealestateagency/repository/MyRealEstateAgencyRepository.java

@@ -1,9 +1,14 @@
-package fr.romanet.vj.apps.myrealestateagency.Repository;
+package fr.romanet.vj.apps.myrealestateagency.repository;
 
 import android.content.Context;
+import android.location.Address;
+import android.location.Geocoder;
 
 import androidx.room.Room;
 
+import java.io.IOException;
+import java.util.List;
+
 import fr.romanet.vj.apps.myrealestateagency.database.RealEstateAgencyDatabase;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agency;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
@@ -36,4 +41,7 @@ public final class MyRealEstateAgencyRepository {
 
     public void addAgency(Agency agency){realEstateAgencyDatabaseDatabase.agencyDao().insertAgency(agency);}
     public void addAgent(Agent agent){realEstateAgencyDatabaseDatabase.agentDao().insertAgent(agent);}
+
+
+
 }

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

@@ -1,28 +1,43 @@
-package fr.romanet.vj.apps.myrealestateagency;
+package fr.romanet.vj.apps.myrealestateagency.view;
 
 import androidx.appcompat.app.AppCompatActivity;
-import android.util.Log;
+import androidx.lifecycle.ViewModelProvider;
+
+import android.content.Intent;
 import android.view.View;
 
-import java.util.ArrayList;
-import java.util.List;
-import android.os.AsyncTask;
 import android.os.Bundle;
+import android.widget.TextView;
 
-import fr.romanet.vj.apps.myrealestateagency.Repository.MyRealEstateAgencyRepository;
+import fr.romanet.vj.apps.myrealestateagency.R;
-import fr.romanet.vj.apps.myrealestateagency.database.RealEstateAgencyDatabase;
+import fr.romanet.vj.apps.myrealestateagency.repository.MyRealEstateAgencyRepository;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agency;
-import fr.romanet.vj.apps.myrealestateagency.entities.AgencyWithAgents;
 import fr.romanet.vj.apps.myrealestateagency.entities.Agent;
+import fr.romanet.vj.apps.myrealestateagency.viewmodel.MainActivityViewModel;
 
 public class MainActivity extends AppCompatActivity {
 
     private static final String TAG = "MyActivity";
 
+    // - Init ViewModel
+    MainActivityViewModel mainActivityViewModel;
+
+    // - Init widgets
+    private TextView tv1;
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+        // - Define widget
+        tv1 = (TextView) findViewById(R.id.tv1);
+
+        // - Link the ViewModel
+        mainActivityViewModel = new ViewModelProvider(this).get(MainActivityViewModel.class);
+        getLifecycle().addObserver(mainActivityViewModel);
+        observe_counter();
     }
 
     public void insertSingleTodo(View view) {
@@ -45,4 +60,17 @@ public class MainActivity extends AppCompatActivity {
         String query = "SELECT agency_id FROM agency INNER JOIN agent ON agency.agency_id = agent.agent_id WHERE agency_name =" + "AgenceOFParis" + "GROUP BY agency_name";
         String query1 = "SELECT agency_id FROM agent INNER JOIN agency ON agency.agency_id = agent.agent_id WHERE agency_name =" + "AgenceOFParis" + "GROUP BY agency_name";
     }
+
+    public void BTN_go_to_map(View view){
+        Intent i = new Intent(MainActivity.this, MapsActivity.class);
+        MainActivity.this.startActivity(i);
+    }
+
+    public void observe_counter(){
+        mainActivityViewModel.counter.observe(this, counter ->
+        {
+            tv1.setText(counter.toString());
+        });
+    }
+
 }

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

@@ -0,0 +1,53 @@
+package fr.romanet.vj.apps.myrealestateagency.view;
+
+import androidx.fragment.app.FragmentActivity;
+
+import android.os.Bundle;
+
+import com.google.android.gms.maps.CameraUpdateFactory;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.OnMapReadyCallback;
+import com.google.android.gms.maps.SupportMapFragment;
+import com.google.android.gms.maps.model.LatLng;
+import com.google.android.gms.maps.model.MarkerOptions;
+
+import java.util.List;
+
+import fr.romanet.vj.apps.myrealestateagency.R;
+import fr.romanet.vj.apps.myrealestateagency.repository.MapsActivityRepository;
+
+public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
+
+    private GoogleMap mMap;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_maps);
+        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
+        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
+                .findFragmentById(R.id.map);
+        mapFragment.getMapAsync(this);
+    }
+
+    /**
+     * Manipulates the map once available.
+     * This callback is triggered when the map is ready to be used.
+     * This is where we can add markers or lines, add listeners or move the camera. In this case,
+     * we just add a marker near Sydney, Australia.
+     * If Google Play services is not installed on the device, the user will be prompted to install
+     * it inside the SupportMapFragment. This method will only be triggered once the user has
+     * installed Google Play services and returned to the app.
+     */
+    @Override
+    public void onMapReady(GoogleMap googleMap) {
+        mMap = googleMap;
+
+        // Add a marker in Sydney and move the camera
+        LatLng sydney = new LatLng(-34, 151);
+//        mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
+        mMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
+        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
+//        List<String> ll = MapsActivityRepository.get
+    }
+}

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

@@ -0,0 +1,40 @@
+package fr.romanet.vj.apps.myrealestateagency.viewmodel;
+
+import android.os.Handler;
+import android.os.SystemClock;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.ViewModel;
+
+import fr.romanet.vj.apps.myrealestateagency.view.MainActivity;
+
+public final class MainActivityViewModel extends ViewModel implements LifecycleObserver {
+
+    public enum LoadingState
+    {
+        Loading, Loaded
+    }
+
+    public MutableLiveData<LoadingState> loadingState = new MutableLiveData<>();
+    public MutableLiveData<Integer> counter = new MutableLiveData<>();
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    private void start_counter_on_activity_start(){
+        counter.postValue(0);
+        for (int i = 0; i<10; i++){
+            new Handler().postDelayed(() ->
+            {
+                counter.postValue(15);
+            }, i*1000);
+//            counter.postValue(i);
+//            SystemClock.sleep(1000);
+        }
+
+
+    }
+
+
+}

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

@@ -4,28 +4,40 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".view.MainActivity">
 
     <TextView
-        android:id="@+id/textView"
+        android:id="@+id/tv1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Hello World!"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.3" />
 
     <Button
         android:id="@+id/buttonZ"
         android:layout_width="95dp"
         android:layout_height="56dp"
-        android:layout_marginBottom="204dp"
         android:onClick="insertSingleTodo"
         android:text="Button"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintEnd_toEndOf="@+id/textView"
+        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintHorizontal_bias="0.526"
+        app:layout_constraintTop_toBottomOf="@+id/tv1" />
-        app:layout_constraintStart_toStartOf="@+id/textView" />
+
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:onClick="BTN_go_to_map"
+        android:text="To Map ->"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.496"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/buttonZ" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:map="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/map"
+    android:name="com.google.android.gms.maps.SupportMapFragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".view.MapsActivity" />

app/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">My Real Estate Agency</string>
+    <string name="title_activity_maps">Map</string>
 </resources>

app/src/release/res/values/google_maps_api.xml

@@ -0,0 +1,20 @@
+<resources>
+    <!--
+    TODO: Before you release your application, you need a Google Maps API key.
+
+    To do this, you can either add your release key credentials to your existing
+    key, or create a new key.
+
+    Note that this file specifies the API key for the release build target.
+    If you have previously set up a key for the debug target with the debug signing certificate,
+    you will also need to set up a key for your release certificate.
+
+    Follow the directions here:
+
+    https://developers.google.com/maps/documentation/android/signup
+
+    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
+    string in this file.
+    -->
+    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">YOUR_KEY_HERE</string>
+</resources>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.1.0"
+        classpath 'com.android.tools.build:gradle:4.1.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files