- Now the Transaction List is visible to the user

app/build.gradle

@@ -39,4 +39,6 @@ dependencies {
     annotationProcessor "android.arch.lifecycle:compiler:1.0.0-alpha9"
     compile 'android.arch.persistence.room:runtime:1.0.0-alpha9';
     apt "android.arch.persistence.room:compiler:1.0.0-alpha9";
+
+    compile 'com.idescout.sql:sqlscout-server:2.0';
 }

app/src/main/java/cy/agorise/crystalwallet/IntroActivity.java

@@ -1,11 +1,20 @@
 package cy.agorise.crystalwallet;
 
 import android.arch.lifecycle.LifecycleActivity;
+import android.arch.lifecycle.LiveData;
+import android.arch.lifecycle.Observer;
 import android.arch.lifecycle.ViewModelProvider;
 import android.arch.lifecycle.ViewModelProviders;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
 
+import java.util.List;
+
+import cy.agorise.crystalwallet.dao.CrystalDatabase;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
 import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
 import cy.agorise.crystalwallet.views.TransactionListView;
 
@@ -19,9 +28,16 @@ public class IntroActivity extends LifecycleActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_intro);
 
-        transactionListViewModel = ViewModelProviders.of(this).get(TransactionListViewModel.class);
         transactionListView = this.findViewById(R.id.transaction_list);
 
-        transactionListView.init(transactionListViewModel);
+        transactionListViewModel = ViewModelProviders.of(this).get(TransactionListViewModel.class);
+        LiveData<List<CryptoCoinTransaction>> transactionData = transactionListViewModel.getTransactionList();
+
+        transactionData.observe(this, new Observer<List<CryptoCoinTransaction>>() {
+            @Override
+            public void onChanged(List<CryptoCoinTransaction> cryptoCoinTransactions) {
+                transactionListView.setData(cryptoCoinTransactions);
+            }
+        });
     }
 }

app/src/main/java/cy/agorise/crystalwallet/application/CrystalApplication.java

@@ -2,6 +2,8 @@ package cy.agorise.crystalwallet.application;
 
 import android.app.Application;
 
+import com.idescout.sql.SqlScoutServer;
+
 import cy.agorise.crystalwallet.dao.CrystalDatabase;
 
 /**
@@ -16,5 +18,6 @@ public class CrystalApplication extends Application {
 
         //initialize the database
         CrystalDatabase db = CrystalDatabase.getAppDatabase(this.getApplicationContext());
+        SqlScoutServer.create(this, getPackageName());
     }
 }

app/src/main/java/cy/agorise/crystalwallet/dao/TransactionDao.java

@@ -2,6 +2,8 @@ package cy.agorise.crystalwallet.dao;
 
 import android.arch.lifecycle.LiveData;
 import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.OnConflictStrategy;
 import android.arch.persistence.room.Query;
 
 import java.util.List;
@@ -16,4 +18,7 @@ public interface TransactionDao {
 
     @Query("SELECT * FROM crypto_coin_transaction")
     LiveData<List<CryptoCoinTransaction>> getAll();
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    public void insertTransaction(CryptoCoinTransaction... transactions);
 }

app/src/main/java/cy/agorise/crystalwallet/viewmodels/TransactionListViewModel.java

@@ -1,5 +1,7 @@
 package cy.agorise.crystalwallet.viewmodels;
 
+import android.app.Application;
+import android.arch.lifecycle.AndroidViewModel;
 import android.arch.lifecycle.LiveData;
 import android.arch.lifecycle.ViewModel;
 import android.content.Context;
@@ -14,13 +16,14 @@ import cy.agorise.crystalwallet.views.TransactionListView;
  * Created by Henry Varona on 12/9/2017.
  */
 
-public class TransactionListViewModel extends ViewModel {
+public class TransactionListViewModel extends AndroidViewModel {
 
     private LiveData<List<CryptoCoinTransaction>> transactionList;
     private CrystalDatabase db;
 
-    public TransactionListViewModel(Context context){
-        this.db = CrystalDatabase.getAppDatabase(context);
+    public TransactionListViewModel(Application application) {
+        super(application);
+        this.db = CrystalDatabase.getAppDatabase(application.getApplicationContext());
         transactionList = this.db.transactionDao().getAll();
     }
 

app/src/main/java/cy/agorise/crystalwallet/views/TransactionListAdapter.java

@@ -25,9 +25,14 @@ public class TransactionListAdapter extends ArrayAdapter<CryptoCoinTransaction>
 
     //List<CryptoCoinTransaction> items;
 
-    public TransactionListAdapter(Context context, LiveData<List<CryptoCoinTransaction>> items) {
-        super(context, 0, items.getValue());
+    public TransactionListAdapter(Context context, List<CryptoCoinTransaction> items) {
+        super(context, 0, items);
+    }
 
+    public void updateData(List<CryptoCoinTransaction> items){
+        this.clear();
+        this.addAll(items);
+        this.notifyDataSetChanged();
     }
 
     @Override
@@ -44,7 +49,7 @@ public class TransactionListAdapter extends ArrayAdapter<CryptoCoinTransaction>
 
         tvFrom.setText(transaction.getFrom());
         tvTo.setText(transaction.getTo());
-        tvAmount.setText(transaction.getAmount());
+        tvAmount.setText(""+transaction.getAmount());
 
         return convertView;
     }

app/src/main/java/cy/agorise/crystalwallet/views/TransactionListView.java

@@ -1,16 +1,15 @@
 package cy.agorise.crystalwallet.views;
 
-import android.arch.lifecycle.ViewModelProviders;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
-import android.widget.ListAdapter;
 import android.widget.ListView;
 import android.widget.RelativeLayout;
 
+import java.util.List;
+
 import cy.agorise.crystalwallet.R;
-import cy.agorise.crystalwallet.dao.CrystalDatabase;
-import cy.agorise.crystalwallet.dao.TransactionDao;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
 import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
 
 /**
@@ -21,20 +20,23 @@ public class TransactionListView extends RelativeLayout {
 
     View rootView;
     ListView listView;
-    ListAdapter listAdapter;
+    TransactionListAdapter listAdapter;
 
     TransactionListViewModel transactionListViewModel;
 
     public TransactionListView(Context context, AttributeSet attrs) {
         super(context, attrs);
         rootView = inflate(context, R.layout.transaction_list, this);
-        listView = rootView.findViewById(R.id.transactionListView);
+        this.listView = rootView.findViewById(R.id.transactionListView);
     }
 
-    public void init(TransactionListViewModel transactionListViewModel){
-        this.transactionListViewModel = transactionListViewModel;
-        listAdapter = new TransactionListAdapter(this.getContext(), transactionListViewModel.getTransactionList());
-        listView.setAdapter(listAdapter);
+    public void setData(List<CryptoCoinTransaction> data){
+        if (this.listAdapter == null) {
+            this.listAdapter = new TransactionListAdapter(this.getContext(), data);
+            this.listView.setAdapter(this.listAdapter);
+        } else {
+            this.listAdapter.updateData(data);
+        }
     }
 
 

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

@@ -10,11 +10,6 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context="cy.agorise.crystalwallet.IntroActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!" />
-
     <cy.agorise.crystalwallet.views.TransactionListView
         android:id="@+id/transaction_list"
         android:layout_width="match_parent"

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

@@ -41,7 +41,7 @@
             android:layout_centerHorizontal="true"
             android:ems="10"
             android:gravity="center"
-            android:inputType="number"
+            android:inputType="text"
             android:text="amount" />
     </RelativeLayout>
 </LinearLayout>

build.gradle

@@ -18,6 +18,10 @@ allprojects {
         maven {
             // For Room Persistence Library
             url "https://maven.google.com"
+
+        }
+        maven {
+            url 'http://www.idescout.com/maven/repo/'
         }
     }
 }