Room Database implementation

app/build.gradle

@@ -2,10 +2,10 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "25.0.3"
+    buildToolsVersion "26.0.1"
     defaultConfig {
-        applicationId "carbon.crypto.com.carbon"
+        applicationId "cy.agorise.crystalwallet"
-        minSdkVersion 21
+        minSdkVersion 19
         targetSdkVersion 26
         versionCode 1
         versionName "1.0"
@@ -27,4 +27,8 @@ dependencies {
     compile 'com.android.support:appcompat-v7:26.+'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
     testCompile 'junit:junit:4.12'
+
+
+    compile 'android.arch.persistence.room:runtime:1.0.0-alpha9';
+
 }

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

@@ -0,0 +1,15 @@
+package cy.agorise.crystalwallet;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import carbon.crypto.com.carbon.R;
+
+public class IntroActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_intro);
+    }
+}

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

@@ -0,0 +1,20 @@
+package cy.agorise.crystalwallet.application;
+
+import android.app.Application;
+
+import cy.agorise.crystalwallet.dao.DatabaseConnection;
+
+/**
+ * Created by Henry Varona on 6/9/2017.
+ */
+
+public class CrystalApplication extends Application {
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        //initialize the database
+        DatabaseConnection.getConnection(this.getApplicationContext());
+    }
+}

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

@@ -0,0 +1,29 @@
+package cy.agorise.crystalwallet.dao;
+
+import android.arch.persistence.db.SupportSQLiteDatabase;
+import android.arch.persistence.room.*;
+import android.arch.persistence.room.migration.Migration;
+
+import cy.agorise.crystalwallet.models.AccountSeed;
+import cy.agorise.crystalwallet.models.CryptoNetAccount;
+
+/**
+ * Created by Henry Varona on 4/9/2017.
+ */
+
+@Database(entities = {AccountSeed.class, CryptoNetAccount.class}, version = 2)
+public abstract class CrystalDatabase extends RoomDatabase {
+
+
+    static final Migration MIGRATION_1_2 = new Migration(1, 2) {
+        @Override
+        public void migrate(SupportSQLiteDatabase database) {
+            database.execSQL("CREATE TABLE 'account_seed' ('id' INTEGER PRIMARY KEY AUTOINCREMENT, "
+                    + "'name' TEXT, 'master_seed' NUMERIC)");
+            database.execSQL("CREATE TABLE 'crypto_net_account' ('id' INTEGER PRIMARY KEY AUTOINCREMENT, "
+                    + "'seed_id', "
+                    + "'account_number' INT, 'account_index' INT,"
+                    + "FOREIGN_KEY(seed_id) REFERENCES seed(id))");
+        }
+    };
+}

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

@@ -0,0 +1,27 @@
+package cy.agorise.crystalwallet.dao;
+
+import android.arch.persistence.room.Room;
+import android.content.Context;
+
+/**
+ * Created by Henry Varona on 6/9/2017.
+ */
+
+public class DatabaseConnection {
+    private static final DatabaseConnection instance = new DatabaseConnection();
+    private CrystalDatabase db;
+
+    private DatabaseConnection(){
+    }
+
+    public static CrystalDatabase getConnection(Context context){
+        if (instance.db == null){
+            instance.db = Room.databaseBuilder(context,
+                    CrystalDatabase.class, "CrystalWallet.db")
+                    .addMigrations(CrystalDatabase.MIGRATION_1_2)
+                    .build();
+        }
+
+        return instance.db;
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/models/AccountSeed.java

@@ -0,0 +1,46 @@
+package cy.agorise.crystalwallet.models;
+
+import android.arch.persistence.room.*;
+
+/**
+ * Created by Henry Varona on 6/9/2017.
+ */
+@Entity
+public class AccountSeed {
+
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    private int mId;
+
+    @ColumnInfo(name = "name")
+    private String mName;
+
+    @ColumnInfo(name = "master_seed")
+    private String mMasterSeed;
+
+    public int getId() {
+        return mId;
+    }
+
+    public void setId(int id){
+        this.mId = id;
+    }
+
+    public String getName() {
+        return mName;
+    }
+
+    public void setName(String mName) {
+        this.mName = mName;
+    }
+
+    public String getMasterSeed() {
+        return mMasterSeed;
+    }
+
+    public void setMasterSeed(String mMasterSeed) {
+        this.mMasterSeed = mMasterSeed;
+    }
+
+
+}

app/src/main/java/cy/agorise/crystalwallet/models/CryptoNetAccount.java

@@ -0,0 +1,58 @@
+package cy.agorise.crystalwallet.models;
+
+import android.arch.persistence.room.*;
+
+/**
+ * Created by Henry Varona on 6/9/2017.
+ */
+
+@Entity (foreignKeys = @ForeignKey(entity = AccountSeed.class,
+        parentColumns = "id",
+        childColumns = "seed_id"))
+public class CryptoNetAccount {
+
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    private int mId;
+
+    @ColumnInfo(name = "seed_id")
+    private int mSeedId;
+
+    @ColumnInfo(name = "account_number")
+    private int mAccountNumber;
+
+    @ColumnInfo(name = "account_index")
+    private int mAccountIndex;
+
+    public int getId() {
+        return mId;
+    }
+
+    public void setId(int id){
+        this.mId = id;
+    }
+
+    public int getSeedId() {
+        return mSeedId;
+    }
+
+    public void setSeedId(int mSeedId) {
+        this.mSeedId = mSeedId;
+    }
+
+    public int getAccountNumber() {
+        return mAccountNumber;
+    }
+
+    public void setAccountNumber(int mAccountNumber) {
+        this.mAccountNumber = mAccountNumber;
+    }
+
+    public int getAccountIndex() {
+        return mAccountIndex;
+    }
+
+    public void setAccountIndex(int mAccountIndex) {
+        this.mAccountIndex = mAccountIndex;
+    }
+}

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

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_intro"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    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!" />
+</RelativeLayout>

build.gradle

@@ -15,6 +15,10 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven {
+            // For Room Persistence Library
+            url "https://maven.google.com"
+        }
     }
 }