- Changes in validators, now every fieldvalidator take charge of its own validation

- Added the board activity and the view pager with balance, transactions and contacts.

app/build.gradle

@@ -32,23 +32,22 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:3.0.1', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
+    //testCompile 'com.android.support.test:runner:1.0.1'
+
+    
+
+
+
+
     compile  'com.android.support:appcompat-v7:26.1.0'
     compile 'com.android.support:support-v4:26.1.0'
     compile 'com.android.support:design:26.1.0'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
-    testCompile 'junit:junit:4.12'
+    compile 'android.arch.lifecycle:runtime:1.0.0-alpha9-1'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    compile 'android.arch.lifecycle:extensions:1.0.0-alpha9-1'
-    //testCompile 'com.android.support.test:runner:1.0.1'
+    compile 'android.arch.persistence.room:runtime:1.0.0-alpha9-1'
-
+    compile 'android.arch.paging:runtime:1.0.0-alpha1'
-    compile "android.arch.lifecycle:runtime:1.0.0-alpha9-1"
+    compile 'com.idescout.sql:sqlscout-server:2.0'
-    compile "android.arch.lifecycle:extensions:1.0.0-alpha9-1"
-    annotationProcessor "android.arch.lifecycle:compiler:1.0.0-alpha9-1"
-    compile 'android.arch.persistence.room:runtime:1.0.0-alpha9-1';
-    apt "android.arch.persistence.room:compiler:1.0.0-alpha9-1";
-    compile "android.arch.paging:runtime:1.0.0-alpha1";
-
-    compile 'com.idescout.sql:sqlscout-server:2.0';
-
     compile 'com.google.code.gson:gson:2.2.4'
     compile 'com.squareup.retrofit2:retrofit:2.1.0'
     compile 'com.squareup.retrofit2:converter-gson:2.1.0'
@@ -56,7 +55,10 @@ dependencies {
     compile 'com.neovisionaries:nv-websocket-client:1.30'
     compile 'org.tukaani:xz:1.6'
     compile 'com.jakewharton:butterknife:8.8.1'
-    apt 'com.jakewharton:butterknife-compiler:8.8.1'
     compile 'com.github.bilthon:graphenej:0.4.5'
-
+    testCompile 'junit:junit:4.12'
+    testCompile 'org.mockito:mockito-core:1.10.19'
+    annotationProcessor 'android.arch.lifecycle:compiler:1.0.0-alpha9-1'
+    apt 'android.arch.persistence.room:compiler:1.0.0-alpha9-1'
+    apt 'com.jakewharton:butterknife-compiler:8.8.1'
 }

app/src/main/AndroidManifest.xml

@@ -19,6 +19,8 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".activities.BoardActivity" >
+        </activity>
         <activity android:name=".activities.AccountSeedsManagementActivity" >
         </activity>
         <activity android:name=".activities.ImportSeedActivity" >

app/src/main/java/cy/agorise/crystalwallet/activities/BoardActivity.java

@@ -0,0 +1,64 @@
+package cy.agorise.crystalwallet.activities;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.support.v4.view.PagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.AppCompatActivity;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.fragments.BalanceFragment;
+import cy.agorise.crystalwallet.fragments.ContactsFragment;
+import cy.agorise.crystalwallet.fragments.TransactionsFragment;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+public class BoardActivity  extends AppCompatActivity {
+
+    @BindView(R.id.pager)
+    public ViewPager mPager;
+
+    public BoardPagerAdapter boardAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.board);
+        ButterKnife.bind(this);
+
+        boardAdapter = new BoardPagerAdapter(getSupportFragmentManager());
+        mPager.setAdapter(boardAdapter);
+    }
+
+    private class BoardPagerAdapter extends FragmentStatePagerAdapter {
+        public BoardPagerAdapter(FragmentManager fm) {
+            super(fm);
+        }
+
+        @Override
+        public Fragment getItem(int position) {
+            switch (position){
+                case 0:
+                    return new BalanceFragment();
+                case 1:
+                    return new TransactionsFragment();
+                case 2:
+                    return new ContactsFragment();
+            }
+
+
+            return null; //new OnConstructionFragment();
+        }
+
+        @Override
+        public int getCount() {
+            return 3;
+        }
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/activities/ImportSeedActivity.java

@@ -1,17 +1,12 @@
 package cy.agorise.crystalwallet.activities;
 
-import android.arch.lifecycle.LifecycleActivity;
 import android.arch.lifecycle.ViewModelProviders;
-import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.text.Editable;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
-import android.widget.Toast;
-
-import java.util.List;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -19,15 +14,12 @@ import butterknife.OnClick;
 import butterknife.OnTextChanged;
 import cy.agorise.crystalwallet.R;
 import cy.agorise.crystalwallet.models.AccountSeed;
-import cy.agorise.crystalwallet.viewmodels.AccountSeedListViewModel;
 import cy.agorise.crystalwallet.viewmodels.AccountSeedViewModel;
-import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
 import cy.agorise.crystalwallet.viewmodels.validators.ImportSeedValidator;
-import cy.agorise.crystalwallet.viewmodels.validators.ImportSeedValidatorListener;
+import cy.agorise.crystalwallet.viewmodels.validators.UIValidatorListener;
 import cy.agorise.crystalwallet.viewmodels.validators.ValidationField;
-import cy.agorise.crystalwallet.views.TransactionListView;
 
-public class ImportSeedActivity extends AppCompatActivity implements ImportSeedValidatorListener {
+public class ImportSeedActivity extends AppCompatActivity implements UIValidatorListener {
 
     AccountSeedViewModel accountSeedViewModel;
     ImportSeedValidator importSeedValidator;
@@ -60,29 +52,28 @@ public class ImportSeedActivity extends AppCompatActivity implements ImportSeedV
 
         ButterKnife.bind(this);
 
+        btnImport.setEnabled(false);
         accountSeedViewModel = ViewModelProviders.of(this).get(AccountSeedViewModel.class);
-        importSeedValidator = accountSeedViewModel.getValidator();
+        importSeedValidator = new ImportSeedValidator(this.getApplicationContext(),etPin,etPinConfirmation,etAccountName,etSeedWords);
-
         importSeedValidator.setListener(this);
     }
 
     @OnTextChanged(value = R.id.etPin,
             callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
     void afterPinChanged(Editable editable) {
-        this.importSeedValidator.validatePin(editable.toString());
+        this.importSeedValidator.validate();
-        this.importSeedValidator.validatePinConfirmation(etPinConfirmation.getText().toString(),editable.toString());
     }
 
     @OnTextChanged(value = R.id.etPinConfirmation,
             callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
     void afterPinConfirmationChanged(Editable editable) {
-        this.importSeedValidator.validatePinConfirmation(editable.toString(), etPin.getText().toString());
+        this.importSeedValidator.validate();
     }
 
     @OnTextChanged(value = R.id.etAccountName,
             callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
     void afterAccountNameChanged(Editable editable) {
-        this.importSeedValidator.validateAccountName(editable.toString(), etSeedWords.getText().toString());
+        this.importSeedValidator.validate();
     }
 
     @OnClick(R.id.btnImport)
@@ -103,31 +94,27 @@ public class ImportSeedActivity extends AppCompatActivity implements ImportSeedV
 
     @Override
     public void onValidationSucceeded(ValidationField field) {
-        switch (field.getName()){
+        if (field.getView() == etPin) {
-            case "pin":
             tvPinError.setText("");
-                break;
+        } else if (field.getView() == etPinConfirmation){
-            case "pinconfirmation":
             tvPinConfirmationError.setText("");
-                break;
+        } else if (field.getView() == etAccountName){
-            case "accountname":
             tvAccountNameError.setText("");
-                break;
+        }
+
+        if (this.importSeedValidator.isValid()){
+            btnImport.setEnabled(true);
         }
     }
 
     @Override
     public void onValidationFailed(ValidationField field) {
-        switch (field.getName()){
+        if (field.getView() == etPin) {
-            case "pin":
             tvPinError.setText(field.getMessage());
-                break;
+        } else if (field.getView() == etPinConfirmation){
-            case "pinconfirmation":
             tvPinConfirmationError.setText(field.getMessage());
-                break;
+        } else if (field.getView() == etAccountName){
-            case "accountname":
             tvAccountNameError.setText(field.getMessage());
-                break;
         }
     }
 }

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

@@ -42,12 +42,15 @@ public class IntroActivity extends AppCompatActivity {
         //Checks if the user has any seed created
         AccountSeedListViewModel accountSeedListViewModel = ViewModelProviders.of(this).get(AccountSeedListViewModel.class);
 
-        //if (accountSeedListViewModel.accountSeedsCount() == 0){
+        if (accountSeedListViewModel.accountSeedsCount() == 0){
             //If the user doesn't have any seeds created, then
             //send the user to create/import an account
             Intent intent = new Intent(this, AccountSeedsManagementActivity.class);
             startActivity(intent);
-        //}
+        } else {
+            Intent intent = new Intent(this, BoardActivity.class);
+            startActivity(intent);
+        }
 
         /*CrystalDatabase db = CrystalDatabase.getAppDatabase(getApplicationContext());
         List<AccountSeed> seeds = RandomSeedGenerator.generateSeeds(2);

app/src/main/java/cy/agorise/crystalwallet/fragments/BalanceFragment.java

@@ -0,0 +1,36 @@
+package cy.agorise.crystalwallet.fragments;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import cy.agorise.crystalwallet.R;
+
+public class BalanceFragment extends Fragment {
+    public BalanceFragment() {
+        // Required empty public constructor
+    }
+
+    public static BalanceFragment newInstance() {
+        BalanceFragment fragment = new BalanceFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_balance, container, false);
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/fragments/ContactsFragment.java

@@ -0,0 +1,34 @@
+package cy.agorise.crystalwallet.fragments;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import cy.agorise.crystalwallet.R;
+
+public class ContactsFragment extends Fragment {
+    public ContactsFragment() {
+        // Required empty public constructor
+    }
+
+    public static ContactsFragment newInstance() {
+        ContactsFragment fragment = new ContactsFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_contacts, container, false);
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/fragments/TransactionsFragment.java

@@ -0,0 +1,34 @@
+package cy.agorise.crystalwallet.fragments;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import cy.agorise.crystalwallet.R;
+
+public class TransactionsFragment extends Fragment {
+    public TransactionsFragment() {
+        // Required empty public constructor
+    }
+
+    public static TransactionsFragment newInstance() {
+        TransactionsFragment fragment = new TransactionsFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_transactions, container, false);
+    }
+}

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

@@ -21,7 +21,6 @@ public class AccountSeedViewModel extends AndroidViewModel {
 
     private LiveData<AccountSeed> accountSeed;
     private CrystalDatabase db;
-    private ImportSeedValidator importSeedValidator;
     private Application app;
 
     public AccountSeedViewModel(Application application) {
@@ -34,14 +33,6 @@ public class AccountSeedViewModel extends AndroidViewModel {
         this.accountSeed = this.db.accountSeedDao().findById(seedId);
     }
 
-    public ImportSeedValidator getValidator(){
-        if (this.importSeedValidator == null){
-            this.importSeedValidator = new ImportSeedValidator(this.app.getResources());
-
-        }
-        return this.importSeedValidator;
-    }
-
     public void addSeed(AccountSeed seed){
         this.db.accountSeedDao().insertAccountSeed(seed);
     }
@@ -50,17 +41,4 @@ public class AccountSeedViewModel extends AndroidViewModel {
         return this.accountSeed;
     }
 
-    public void validateAccountSeed(){
-        if (this.accountSeed != null){
-            AccountSeed seed = this.accountSeed.getValue();
-
-            ValidateImportBitsharesAccountRequest request = new ValidateImportBitsharesAccountRequest(seed.getName(),seed.getMasterSeed());
-            request.setListener(new CryptoNetInfoRequestListener() {
-                @Override
-                public void onCarryOut() {
-
-                }
-            });
-        }
-    }
 }

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/BitsharesAccountMnemonicValidationField.java

@@ -0,0 +1,50 @@
+package cy.agorise.crystalwallet.viewmodels.validators;
+
+import android.widget.EditText;
+
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequestListener;
+import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequests;
+import cy.agorise.crystalwallet.cryptonetinforequests.ValidateImportBitsharesAccountRequest;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+public class BitsharesAccountMnemonicValidationField extends ValidationField {
+
+    private EditText mnemonicField;
+    private EditText accountNameField;
+
+    public BitsharesAccountMnemonicValidationField(EditText mnemonicField, EditText accountNameField){
+        super(mnemonicField);
+        this.mnemonicField = mnemonicField;
+        this.accountNameField = accountNameField;
+    }
+
+    public void validate(){
+        final String newMnemonicValue = mnemonicField.getText().toString();
+        final String newAccountNameValue = accountNameField.getText().toString();
+        final String mixedValue = newMnemonicValue+"_"+newAccountNameValue;
+
+        this.setLastValue(mixedValue);
+        this.startValidating();
+        final ValidationField field = this;
+
+        final ValidateImportBitsharesAccountRequest request = new ValidateImportBitsharesAccountRequest(newAccountNameValue,newMnemonicValue);
+        request.setListener(new CryptoNetInfoRequestListener() {
+            @Override
+            public void onCarryOut() {
+                if (!request.getMnemonicIsCorrect()){
+                    setValidForValue(mixedValue, false);
+                    setMessage(validator.getContext().getResources().getString(R.string.account_name_not_exist));
+                    validator.validationFailed(field);
+                } else {
+                    setValidForValue(mixedValue, true);
+                    validator.validationSucceeded(field);
+                }
+            }
+        });
+        CryptoNetInfoRequests.getInstance().addRequest(request);
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/BitsharesAccountNameValidationField.java

@@ -0,0 +1,46 @@
+package cy.agorise.crystalwallet.viewmodels.validators;
+
+import android.content.Context;
+import android.widget.EditText;
+
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequestListener;
+import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequests;
+import cy.agorise.crystalwallet.cryptonetinforequests.ValidateImportBitsharesAccountRequest;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+public class BitsharesAccountNameValidationField extends ValidationField {
+
+    private EditText accountNameField;
+
+    public BitsharesAccountNameValidationField(EditText accountNameField){
+        super(accountNameField);
+        this.accountNameField = accountNameField;
+    }
+
+    public void validate(){
+        final String newValue = accountNameField.getText().toString();
+        this.setLastValue(newValue);
+        this.startValidating();
+        final ValidationField field = this;
+
+        final ValidateImportBitsharesAccountRequest request = new ValidateImportBitsharesAccountRequest(newValue,"");
+        request.setListener(new CryptoNetInfoRequestListener() {
+            @Override
+            public void onCarryOut() {
+                if (!request.getAccountExists()){
+                    setValidForValue(newValue, false);
+                    setMessage(validator.getContext().getResources().getString(R.string.error_invalid_account));
+                    validator.validationFailed(field);
+                } else {
+                    setValidForValue(newValue, true);
+                    validator.validationSucceeded(field);
+                }
+            }
+        });
+        CryptoNetInfoRequests.getInstance().addRequest(request);
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/ImportSeedValidator.java

@@ -1,110 +1,19 @@
 package cy.agorise.crystalwallet.viewmodels.validators;
 
-import android.accounts.Account;
+import android.content.Context;
-import android.content.res.Resources;
+import android.widget.EditText;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import cy.agorise.crystalwallet.R;
-import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequestListener;
-import cy.agorise.crystalwallet.cryptonetinforequests.CryptoNetInfoRequests;
-import cy.agorise.crystalwallet.cryptonetinforequests.ValidateImportBitsharesAccountRequest;
-import cy.agorise.crystalwallet.models.AccountSeed;
 
 /**
  * Created by Henry Varona on 2/10/2017.
  */
 
-public class ImportSeedValidator {
+public class ImportSeedValidator extends UIValidator {
 
-    private ImportSeedValidatorListener listener;
+    public ImportSeedValidator(Context context, EditText pinEdit, EditText pinConfirmationEdit, EditText bitsharesAccountNameEdit, EditText mnemonicEdit){
-    private List<ValidationField> validationFields;
+        super(context);
-    private AccountSeed accountSeed;
+        this.addField(new PinValidationField(pinEdit));
-    private Resources res;
+        this.addField(new PinConfirmationValidationField(pinEdit,pinConfirmationEdit));
-
+        this.addField(new BitsharesAccountNameValidationField(bitsharesAccountNameEdit));
-    private boolean isValid = false;
+        this.addField(new BitsharesAccountMnemonicValidationField(mnemonicEdit,bitsharesAccountNameEdit));
-
-    public ImportSeedValidator(Resources res){
-        this.res = res;
-        this.validationFields = new ArrayList<ValidationField>();
-        this.validationFields.add(new ValidationField("pin"));
-        this.validationFields.add(new ValidationField("pinconfirmation"));
-        this.validationFields.add(new ValidationField("accountname"));
-    }
-
-    public void setListener(ImportSeedValidatorListener listener){
-        this.listener = listener;
-    }
-
-    public boolean isValid(){
-        for(int i=0;i<this.validationFields.size();i++){
-            ValidationField nextField = this.validationFields.get(i);
-
-            if (!nextField.getValid()){
-                return false;
-            }
-        }
-
-        return true;
-    }
-
-    public ValidationField getValidationField(String name){
-        for (int i=0;i<this.validationFields.size();i++){
-            if (this.validationFields.get(i).getName().equals(name)){
-                return this.validationFields.get(i);
-            }
-        }
-
-        return null;
-    }
-
-    public void validatePin(final String pin){
-        final ValidationField validationField = getValidationField("pin");
-        validationField.setLastValue(pin);
-
-        if ((pin.length() < 6)){
-            validationField.setValidForValue(pin,false);
-            validationField.setMessage(res.getString(R.string.pin_number_warning));
-            listener.onValidationFailed(validationField);
-        } else {
-            validationField.setValidForValue(pin, true);
-            listener.onValidationSucceeded(validationField);
-        }
-    }
-
-    public void validatePinConfirmation(final String pinConfirmation, final String pin){
-        final ValidationField validationField = getValidationField("pinconfirmation");
-        validationField.setLastValue(pinConfirmation);
-
-        if (!pinConfirmation.equals(pin)){
-            validationField.setValidForValue(pinConfirmation,false);
-            validationField.setMessage(res.getString(R.string.mismatch_pin));
-            listener.onValidationFailed(validationField);
-        } else {
-            validationField.setValidForValue(pinConfirmation, true);
-            listener.onValidationSucceeded(validationField);
-        }
-    }
-
-    public void validateAccountName(final String accountName, final String mnemonic){
-        final ValidationField validationField = getValidationField("accountname");
-        validationField.setLastValue(accountName);
-
-        final ValidateImportBitsharesAccountRequest request = new ValidateImportBitsharesAccountRequest(accountName,mnemonic);
-        request.setListener(new CryptoNetInfoRequestListener() {
-            @Override
-            public void onCarryOut() {
-                if (!request.getAccountExists()){
-                    validationField.setValidForValue(accountName, false);
-                    validationField.setMessage(res.getString(R.string.account_name_not_exist));
-                    listener.onValidationFailed(validationField);
-                } else {
-                    validationField.setValidForValue(accountName, true);
-                    listener.onValidationSucceeded(validationField);
-                }
-            }
-        });
-        CryptoNetInfoRequests.getInstance().addRequest(request);
     }
 }

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/PinConfirmationValidationField.java

@@ -0,0 +1,42 @@
+package cy.agorise.crystalwallet.viewmodels.validators;
+
+import android.content.Context;
+import android.widget.EditText;
+
+import cy.agorise.crystalwallet.R;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+public class PinConfirmationValidationField extends ValidationField {
+
+    private EditText pinField;
+    private EditText pinConfirmationField;
+
+    public PinConfirmationValidationField(EditText pinField, EditText pinConfirmationField){
+        super(pinConfirmationField);
+        this.pinField = pinField;
+        this.pinConfirmationField = pinConfirmationField;
+    }
+
+    public void validate(){
+        String newConfirmationValue = pinConfirmationField.getText().toString();
+        String newValue = pinField.getText().toString();
+        String mixedValue = newValue+"_"+newConfirmationValue;
+        if (mixedValue != this.getLastValue()) {
+            this.setLastValue(mixedValue);
+            this.startValidating();
+
+
+            if (!newConfirmationValue.equals(newValue)){
+                this.setValidForValue(mixedValue,false);
+                this.setMessage(this.validator.getContext().getResources().getString(R.string.mismatch_pin));
+                this.validator.validationFailed(this);
+            } else {
+                this.setValidForValue(mixedValue, true);
+                this.validator.validationSucceeded(this);
+            }
+        }
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/PinValidationField.java

@@ -0,0 +1,37 @@
+package cy.agorise.crystalwallet.viewmodels.validators;
+
+import android.content.Context;
+import android.widget.EditText;
+
+import cy.agorise.crystalwallet.R;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+public class PinValidationField extends ValidationField {
+
+    private EditText pinField;
+
+    public PinValidationField(EditText pinField){
+        super(pinField);
+        this.pinField = pinField;
+    }
+
+    public void validate(){
+        String newValue = pinField.getText().toString();
+        if (newValue != this.getLastValue()) {
+            this.setLastValue(newValue);
+            this.startValidating();
+
+            if (newValue.length() < 6) {
+                this.setValidForValue(newValue, false);
+                this.setMessage(this.validator.getContext().getResources().getString(R.string.pin_number_warning));
+                this.validator.validationFailed(this);
+            } else {
+                this.setValidForValue(newValue, true);
+                this.validator.validationSucceeded(this);
+            }
+        }
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/UIValidator.java

@@ -0,0 +1,76 @@
+package cy.agorise.crystalwallet.viewmodels.validators;
+
+import android.content.Context;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Henry Varona on 7/10/2017.
+ */
+
+abstract class UIValidator {
+    protected Context context;
+    protected UIValidatorListener listener;
+    protected List<ValidationField> validationFields;
+
+    public UIValidator(Context context){
+        this.context = context;
+        this.validationFields = new ArrayList<ValidationField>();
+    }
+
+    public void addField(ValidationField newField){
+        this.validationFields.add(newField);
+        newField.setValidator(this);
+    }
+
+    public Context getContext(){
+        return this.context;
+    }
+
+    public void setListener(UIValidatorListener listener){
+        this.listener = listener;
+    }
+
+    public boolean isValid(){
+        for(int i=0;i<this.validationFields.size();i++){
+            ValidationField nextField = this.validationFields.get(i);
+
+            if (!nextField.getValid()){
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public void validate(){
+        for (int i=0;i<this.validationFields.size();i++){
+            this.validationFields.get(i).validate();
+        }
+    }
+
+    public int validationFieldsCount(){
+        return this.validationFields.size();
+    }
+
+    public ValidationField getValidationField(int index){
+        return this.validationFields.get(index);
+    }
+
+    public void validationFailed(ValidationField field){
+        this._fireOnValidationFailedEvent(field);
+    }
+
+    public void validationSucceeded(ValidationField field){
+        this._fireOnValidationSucceededEvent(field);
+    }
+
+    public void _fireOnValidationFailedEvent(ValidationField field){
+        this.listener.onValidationFailed(field);
+    }
+
+    public void _fireOnValidationSucceededEvent(ValidationField field){
+        this.listener.onValidationSucceeded(field);
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/UIValidatorListener.java

@@ -4,7 +4,7 @@ package cy.agorise.crystalwallet.viewmodels.validators;
  * Created by Henry Varona on 2/10/2017.
  */
 
-public interface ImportSeedValidatorListener {
+public interface UIValidatorListener {
 
     public void onValidationSucceeded(ValidationField field);
     public void onValidationFailed(ValidationField field);

app/src/main/java/cy/agorise/crystalwallet/viewmodels/validators/ValidationField.java

@@ -1,34 +1,40 @@
 package cy.agorise.crystalwallet.viewmodels.validators;
 
+import android.content.Context;
+import android.view.View;
+
 /**
  * Created by Henry Varona on 2/10/2017.
  */
 
-public class ValidationField {
+public abstract class ValidationField {
 
-    public String name;
+    protected String lastValue;
+    protected String message;
+    protected boolean validating;
+    protected Boolean valid;
+    protected UIValidator validator;
+    protected View view;
 
-    public String lastValue;
+    public ValidationField(View view){
-    public String message;
-    public boolean validating;
-    public boolean valid;
-
-    public ValidationField(String name){
-        this.name = name;
         this.lastValue = "";
         this.message = "";
         this.validating = false;
-        this.valid = false;
+        this.valid = null;
+        this.view = view;
     }
 
-    public String getName(){
+    public void setValidator(UIValidator validator){
-        return this.name;
+        this.validator = validator;
     }
 
     public void startValidating(){
+        this.valid = null;
         this.validating = true;
     }
 
+    abstract public void validate();
+
     public void stopValidating(){
         this.validating = false;
     }
@@ -53,7 +59,7 @@ public class ValidationField {
     }
 
     public boolean getValid(){
-        return this.valid;
+        return (this.valid != null?this.valid:false);
     }
 
     public String getLastValue() {
@@ -62,9 +68,17 @@ public class ValidationField {
 
     public void setLastValue(String lastValue) {
         if (!this.lastValue.equals(lastValue)) {
-            this.valid = false;
+            this.valid = null;
             this.validating = false;
             this.lastValue = lastValue;
         }
     }
+
+    public void setView(View view){
+        this.view = view;
+    }
+
+    public View getView(){
+        return this.view;
+    }
 }

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent" android:layout_height="match_parent">
+
+    <android.support.v4.view.ViewPager
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/pager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</RelativeLayout>

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

@@ -0,0 +1,14 @@
+<FrameLayout 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="cy.agorise.crystalwallet.fragments.BalanceFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="Balance Fragment"
+        android:textColor="@android:color/white" />
+
+</FrameLayout>

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

@@ -0,0 +1,13 @@
+<FrameLayout 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="cy.agorise.crystalwallet.fragments.ContactsFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="Contacts Fragment" />
+
+</FrameLayout>

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

@@ -0,0 +1,13 @@
+<FrameLayout 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="cy.agorise.crystalwallet.fragments.TransactionsFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="Transactions Fragment" />
+
+</FrameLayout>

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

@@ -449,4 +449,7 @@
     <!-- Import Backup activity -->
     <string name="txt_existing_password">Current backup password</string>
     <string name="txt_new_pin">New PIN (6+ digits)</string>
+
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>