Add logout functionality.

ui/src/main/java/com/wireguard/android/activity/MainActivity.java

@@ -26,6 +26,7 @@ public class MainActivity extends AppCompatActivity {
     private ImageView mark;
     private ImageButton myBubbleButton;
     private ImageButton accountButton;
+    private TextView logout;
     private boolean connectionStateFlag;
 
     private static final int REQUEST_CODE_VPN_PERMISSION = 23491;
@@ -77,6 +78,7 @@ public class MainActivity extends AppCompatActivity {
         titleMyBubble = findViewById(R.id.titleMyBubble);
         myBubbleButton = findViewById(R.id.myBubbleButton);
         accountButton = findViewById(R.id.accountButton);
+        logout = findViewById(R.id.logout);
     }
 
     private void initListeners() {
@@ -95,6 +97,11 @@ public class MainActivity extends AppCompatActivity {
                 showAccount();
             }
         });
+        logout.setOnClickListener(new OnClickListener() {
+            @Override public void onClick(final View v) {
+                logout();
+            }
+        });
     }
 
     private void showAccount() {
@@ -159,4 +166,11 @@ public class MainActivity extends AppCompatActivity {
             titleMyBubble.setVisibility(View.VISIBLE);
         }
     }
+
+    private void logout(){
+        final Intent intent = new Intent(MainActivity.this, LoginActivity.class);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        mainViewModel.removeSharedPreferences(MainActivity.this);
+        startActivity(intent);
+    }
 }

ui/src/main/java/com/wireguard/android/repository/DataRepository.java

@@ -475,7 +475,7 @@ public class DataRepository {
            liveData.postMutableLiveData(StatusResource.error(NO_INTERNET_CONNECTION));
         }
         if(throwable instanceof HttpException){
-            if(((HttpException) throwable).code() == 500){
+            if(((HttpException) throwable).code() == 404){
                 final String requestURL = ((HttpException) throwable).response().raw().request().url().toString();
                 final String requestMethod = ((HttpException) throwable).response().raw().request().method();
                 final String requestBody = bodyToString(((HttpException) throwable).response().raw().request());
@@ -499,4 +499,9 @@ public class DataRepository {
             return "did not work";
         }
     }
+
+    public void removeSharedPreferences(Context context){
+        context.getSharedPreferences(UserStore.USER_SHARED_PREF,0).edit().clear().apply();
+        context.getSharedPreferences(TunnelStore.TUNNEL_SHARED_PREF,0).edit().clear().apply();
+    }
 }

ui/src/main/java/com/wireguard/android/util/TunnelStore.java

@@ -7,7 +7,7 @@ public class TunnelStore {
     private static TunnelStore instance;
     private SharedPreferences sharedPreferences;
 
-    private static final String TUNNEL_SHARED_PREF = "com.wireguard.android.util.bubbleTunnelSharedPref";
+    public static final String TUNNEL_SHARED_PREF = "com.wireguard.android.util.bubbleTunnelSharedPref";
     private static final String TUNNEL_DATA_KEY = "com.wireguard.android.util.bubbleResponse";
     private static final String CONFIG_DATA_KEY = "com.wireguard.android.util.bubbleConfigResponse";
     public static final String TUNNEL_DEFAULT_VALUE = "";

ui/src/main/java/com/wireguard/android/util/UserStore.java

@@ -7,7 +7,7 @@ public class UserStore {
     private static UserStore instance;
     private SharedPreferences sharedPreferences;
 
-    private static final String USER_SHARED_PREF = "com.wireguard.android.util.bubbleUserSharedPref";
+    public static final String USER_SHARED_PREF = "com.wireguard.android.util.bubbleUserSharedPref";
     private static final String USER_DATA_KEY = "com.wireguard.android.util.bubbleUserResponse";
     private static final String DEVICE_DATA_KEY = "com.wireguard.android.util.bubbleDeviceResponse";
     private static final String DEVICE_ID_KEY = "com.wireguard.android.util.bubbleDeviceIDResponse";

ui/src/main/java/com/wireguard/android/viewmodel/MainViewModel.java

@@ -43,4 +43,8 @@ public class MainViewModel extends ViewModel {
     public String getHostname(Context context){
         return DataRepository.getRepositoryInstance().getHostname(context);
     }
+
+    public void removeSharedPreferences(Context context){
+        DataRepository.getRepositoryInstance().removeSharedPreferences(context);
+    }
 }

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

@@ -10,6 +10,7 @@
 
 
     <ImageView
+        android:id="@+id/union"
         android:layout_width="450dp"
         android:layout_height="770dp"
         android:layout_marginBottom="8dp"
@@ -50,6 +51,19 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/bubbleConnectionTitle" />
 
+    <TextView
+        android:id="@+id/logout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="16dp"
+        android:text="@string/log_out"
+        android:textColor="@color/logout"
+        android:textSize="@dimen/text_title"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/title" />
 
     <ImageView
         android:id="@+id/imageMyBubble"

ui/src/main/res/values/colors.xml

@@ -43,4 +43,5 @@
     <color name="sign_in_enable_start_color">#EC2F91</color>
     <color name="sign_in_enable_end_color">#C037C0</color>
     <color name="toast_color">#4E4E4E</color>
+    <color name="logout">#159F97</color>
 </resources>

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

@@ -255,8 +255,9 @@
     <string name="email">Email:</string>
     <string name="you_can_find_your_bubble_name_in_your_email">You can find your Bubble name in your email</string>
     <string name="enter_your_bubble_name">Enter your Bubble Name</string>
-    <string name="your_private_bubble">Your private Bubble provides \n protection on this device.</string>
+    <string name="your_private_bubble">You are safe in your Bubble!</string>
     <string name="network_not_found">Sorry, friends. Network not currently available.</string>
     <string name="error_title">Sadface. We have \n encountered \n an error.</string>
     <string name="contact_support">CONTACT SUPPORT</string>
+    <string name="log_out">Log out</string>
 </resources>