If no profiles exist, launch createaccount activity first

app/src/main/java/im/tox/antox/activities/LoginActivity.java

@@ -35,7 +35,16 @@ protected void onCreate(Bundle savedInstanceState) {
         }
 
         SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
-        if(preferences.getBoolean("loggedin", false)) {
+
+        UserDB db = new UserDB(this);
+
+        // Check to see if any users exist. If not, start the create account activity instead
+        if(!db.doUsersExist()) {
+            Intent createAccount = new Intent(getApplicationContext(), CreateAcccountActivity.class);
+            startActivity(createAccount);
+            finish();
+
+        } else if(preferences.getBoolean("loggedin", false)) {
             /* Attempt to start service in case it's not running */
             Intent startTox = new Intent(getApplicationContext(), ToxDoService.class);
             getApplicationContext().startService(startTox);

app/src/main/java/im/tox/antox/data/UserDB.java

@@ -64,12 +64,7 @@ public boolean login(String username) {
         cursor.close();
         db.close();
 
-        if(count > 0)
-            return true;
-
-        return false;
-
-
+        return count > 0;
     }
 
     public String[] getUserDetails(String username) {
@@ -94,4 +89,15 @@ public void updateUserDetail(String username, String detail, String newDetail) {
         db.execSQL(query);
         db.close();
     }
+
+    public boolean doUsersExist() {
+        SQLiteDatabase db = this.getReadableDatabase();
+        Cursor cursor = db.rawQuery("SELECT count(*) FROM users", null);
+        cursor.moveToFirst();
+        int count = cursor.getInt(0);
+        cursor.close();
+        db.close();
+
+        return count > 0;
+    }
 }