- Pin lock screen is working

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

@@ -1,36 +1,16 @@
 package cy.agorise.crystalwallet.activities;
 
-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.arch.paging.PagedList;
 import android.content.Intent;
 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.R;
-import cy.agorise.crystalwallet.dao.CrystalDatabase;
-import cy.agorise.crystalwallet.models.AccountSeed;
-import cy.agorise.crystalwallet.models.CryptoCoinBalance;
-import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
-import cy.agorise.crystalwallet.models.CryptoNetAccount;
-import cy.agorise.crystalwallet.randomdatagenerators.RandomCryptoCoinBalanceGenerator;
-import cy.agorise.crystalwallet.randomdatagenerators.RandomCryptoNetAccountGenerator;
-import cy.agorise.crystalwallet.randomdatagenerators.RandomSeedGenerator;
-import cy.agorise.crystalwallet.randomdatagenerators.RandomTransactionsGenerator;
+import cy.agorise.crystalwallet.application.CrystalSecurityMonitor;
 import cy.agorise.crystalwallet.viewmodels.AccountSeedListViewModel;
 import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
 import cy.agorise.crystalwallet.views.TransactionListView;
 
-import static cy.agorise.crystalwallet.R.string.transactions;
-
 public class IntroActivity extends AppCompatActivity {
 
     TransactionListViewModel transactionListViewModel;
@@ -41,6 +21,9 @@ public class IntroActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_intro);
 
+        this.getApplication().registerActivityLifecycleCallbacks(new CrystalSecurityMonitor(this));
+
+
         //Checks if the user has any seed created
         AccountSeedListViewModel accountSeedListViewModel = ViewModelProviders.of(this).get(AccountSeedListViewModel.class);
 

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

@@ -11,6 +11,8 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
 
+import java.util.List;
+
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
@@ -18,9 +20,17 @@ import butterknife.OnTextChanged;
 import cy.agorise.crystalwallet.R;
 import cy.agorise.crystalwallet.models.AccountSeed;
 import cy.agorise.crystalwallet.models.GeneralSetting;
+import cy.agorise.crystalwallet.util.PasswordManager;
 import cy.agorise.crystalwallet.viewmodels.AccountSeedViewModel;
+import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
 
 public class PinRequestActivity extends AppCompatActivity {
+    private String passwordEncrypted;
+
+    @Override
+    public void onBackPressed() {
+        //Do nothing to prevent the user to use the back button
+    }
 
     @BindView(R.id.etPassword)
     EditText etPassword;
@@ -30,12 +40,34 @@ public class PinRequestActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_pin_request);
         ButterKnife.bind(this);
+
+        GeneralSettingListViewModel generalSettingListViewModel = ViewModelProviders.of(this).get(GeneralSettingListViewModel.class);
+        LiveData<List<GeneralSetting>> generalSettingsLiveData = generalSettingListViewModel.getGeneralSettingList();
+        generalSettingsLiveData.observe(this, new Observer<List<GeneralSetting>>() {
+            @Override
+            public void onChanged(@Nullable List<GeneralSetting> generalSettings) {
+                passwordEncrypted = "";
+
+                if (generalSettings != null){
+                    for (GeneralSetting generalSetting:generalSettings) {
+                        if (generalSetting.getName().equals(GeneralSetting.SETTING_PASSWORD)){
+                            if (!generalSetting.getValue().isEmpty()){
+                                passwordEncrypted = generalSetting.getValue();
+                            }
+                            break;
+                        }
+                    }
+                }
+            }
+        });
     }
 
     @OnTextChanged(value = R.id.etPassword,
             callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
     void afterPasswordChanged(Editable editable) {
-        this.finish();
+        if (PasswordManager.checkPassword(passwordEncrypted, etPassword.getText().toString())) {
+            this.finish();
+        }
     }
 }
 

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

@@ -26,7 +26,5 @@ public class CrystalApplication extends Application {
 
         Intent intent = new Intent(getApplicationContext(), CrystalWalletService.class);
         startService(intent);
-
-        registerActivityLifecycleCallbacks(new CrystalSecurityMonitor());
     }
 }

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

@@ -1,25 +1,62 @@
 package cy.agorise.crystalwallet.application;
 
 import android.app.Activity;
+
 import android.app.Application;
+import android.arch.lifecycle.LiveData;
+import android.arch.lifecycle.Observer;
+import android.arch.lifecycle.ViewModelProviders;
 import android.content.Intent;
 import android.os.Bundle;
-import android.widget.Toast;
+import android.support.annotation.Nullable;
+import android.support.v4.app.FragmentActivity;
+
+import java.util.List;
 
-import cy.agorise.crystalwallet.activities.CreateSeedActivity;
 import cy.agorise.crystalwallet.activities.PinRequestActivity;
+import cy.agorise.crystalwallet.models.GeneralSetting;
+import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;
 
 /**
  * Created by Henry Varona on 27/1/2018.
  */
 
-class CrystalSecurityMonitor implements Application.ActivityLifecycleCallbacks {
+public class CrystalSecurityMonitor implements Application.ActivityLifecycleCallbacks {
     private int numStarted = 0;
+    private String passwordEncrypted;
+
+    public CrystalSecurityMonitor(final FragmentActivity fragmentActivity){
+        GeneralSettingListViewModel generalSettingListViewModel = ViewModelProviders.of(fragmentActivity).get(GeneralSettingListViewModel.class);
+        LiveData<List<GeneralSetting>> generalSettingsLiveData = generalSettingListViewModel.getGeneralSettingList();
+
+        generalSettingsLiveData.observe(fragmentActivity, new Observer<List<GeneralSetting>>() {
+            @Override
+            public void onChanged(@Nullable List<GeneralSetting> generalSettings) {
+                boolean founded = false;
+                passwordEncrypted = "";
+
+                if (generalSettings != null){
+                    for (GeneralSetting generalSetting:generalSettings) {
+                        if (generalSetting.getName().equals(GeneralSetting.SETTING_PASSWORD)){
+                            founded = true;
+                            if (!generalSetting.getValue().isEmpty()){
+                                passwordEncrypted = generalSetting.getValue();
+                                callPasswordRequest(fragmentActivity);
+                            }
+                            break;
+                        }
+                    }
+                }
+            }
+        });
+    }
 
     @Override
     public void onActivityStarted(Activity activity) {
         if (numStarted == 0) {
-            callPasswordRequest(activity);
+            if ((this.passwordEncrypted != null) && (!this.passwordEncrypted.equals(""))) {
+                callPasswordRequest(activity);
+            }
         }
         numStarted++;
     }
@@ -28,15 +65,17 @@ class CrystalSecurityMonitor implements Application.ActivityLifecycleCallbacks {
     public void onActivityStopped(Activity activity) {
         numStarted--;
         if (numStarted == 0) {
-            callPasswordRequest(activity);
+            if ((this.passwordEncrypted != null) && (!this.passwordEncrypted.equals(""))) {
+                callPasswordRequest(activity);
+            }
         }
     }
 
     public void callPasswordRequest(Activity activity){
         if ((!activity.getIntent().hasExtra("ACTIVITY_TYPE")) || (!activity.getIntent().getStringExtra("ACTIVITY_TYPE").equals("PASSWORD_REQUEST"))) {
-            //Intent intent = new Intent(activity, PinRequestActivity.class);
-            //intent.putExtra("ACTIVITY_TYPE", "PASSWORD_REQUEST");
-            //activity.startActivity(intent);
+            Intent intent = new Intent(activity, PinRequestActivity.class);
+            intent.putExtra("ACTIVITY_TYPE", "PASSWORD_REQUEST");
+            activity.startActivity(intent);
         }
     }
 

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

@@ -18,9 +18,11 @@
             android:padding="10dp"
             android:background="@color/colorPrimary"
             android:text="Enter Pin:"/>
+
         <EditText
             android:id="@+id/etPassword"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:inputType="numberPassword" />
     </LinearLayout>
 </LinearLayout>