diff --git a/app/src/main/java/org/deke/risk/riskahead/LoginActivity.java b/app/src/main/java/org/deke/risk/riskahead/LoginActivity.java
index b1036b9..88359d7 100644
--- a/app/src/main/java/org/deke/risk/riskahead/LoginActivity.java
+++ b/app/src/main/java/org/deke/risk/riskahead/LoginActivity.java
@@ -304,7 +304,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error at social media login (Server returned error): " + errorMsg);
-                        Toast.makeText(getApplicationContext(),errorMsg, Toast.LENGTH_LONG).show();
+                        Toast.makeText(getApplicationContext(), getResources().getString(R.string.txt_errormsg_sociallogin), Toast.LENGTH_LONG).show();
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -316,15 +316,13 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
             @Override
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "Social Media Login Error: " + error.getMessage());
-                Toast.makeText(getApplicationContext(),
-                        error.getMessage(), Toast.LENGTH_LONG).show();
+                Toast.makeText(getApplicationContext(), getResources().getString(R.string.txt_errormsg_sociallogin), Toast.LENGTH_LONG).show();
                 hideDialog();
             }
         }) {
 
             @Override
             protected Map<String, String> getParams() {
-                // Posting params to register url
                 Map<String, String> params = new HashMap<>();
                 params.put("tag", AppConfig.REST_LOGIN_SOCIAL);
                 params.put("key", key);
@@ -413,7 +411,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error at login (Server returned error): " + errorMsg);
-                        Toast.makeText(getApplicationContext(), errorMsg, Toast.LENGTH_LONG).show();
+                        Toast.makeText(getApplicationContext(), getResources().getString(R.string.txt_errormsg_login), Toast.LENGTH_LONG).show();
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -424,7 +422,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
             @Override
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "Login Error: " + error.getMessage());
-                Toast.makeText(getApplicationContext(), error.getMessage(), Toast.LENGTH_LONG).show();
+                Toast.makeText(getApplicationContext(), getResources().getString(R.string.txt_errormsg_login), Toast.LENGTH_LONG).show();
                 hideDialog();
             }
         }) {
@@ -470,8 +468,8 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                                     .show();
                         } else {
                             String errorMsg = jObj.getString("error_msg");
-                            Toast.makeText(getApplicationContext(),
-                                    errorMsg, Toast.LENGTH_LONG).show();
+                            Log.e(TAG, "Error occured: "+errorMsg);
+                            Toast.makeText(getApplicationContext(), getResources().getString(R.string.txt_errormsg_register), Toast.LENGTH_LONG).show();
                         }
                     } catch (JSONException e) {
                         e.printStackTrace();
@@ -483,7 +481,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                 public void onErrorResponse(VolleyError error) {
                     Log.e(TAG, "Registration Error: " + error.getMessage());
                     Toast.makeText(getApplicationContext(),
-                            error.getMessage(), Toast.LENGTH_LONG).show();
+                            getResources().getString(R.string.txt_errormsg_register), Toast.LENGTH_LONG).show();
                     hideDialog();
                 }
             }) {
@@ -516,8 +514,9 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                         showMessage(getString(R.string.alert_passwordreset_confirmation));
                     } else {
                         String errorMsg = jObj.getString("error_msg");
+                        Log.e(TAG, "Reset PW returned error value: "+errorMsg);
                         Toast.makeText(getApplicationContext(),
-                                errorMsg, Toast.LENGTH_LONG).show();
+                                getResources().getString(R.string.txt_errormsg_getpwreset), Toast.LENGTH_LONG).show();
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -530,7 +529,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "E-Mail pw resend Error: " + error.getMessage());
                 Toast.makeText(getApplicationContext(),
-                        error.getMessage(), Toast.LENGTH_LONG).show();
+                        getResources().getString(R.string.txt_errormsg_getpwreset), Toast.LENGTH_LONG).show();
                 hideDialog();
             }
         }) {
@@ -559,8 +558,9 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
                     boolean error = jObj.getBoolean("error");
                     if (error) {
                         String errorMsg = jObj.getString("error_msg");
+                        Log.e(TAG,"Resend E-Mail returned error value: "+errorMsg);
                         Toast.makeText(getApplicationContext(),
-                                errorMsg, Toast.LENGTH_LONG).show();
+                                getResources().getString(R.string.txt_errormsg_getactivationlink), Toast.LENGTH_LONG).show();
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -573,7 +573,7 @@ public class LoginActivity extends AppCompatActivity implements FacebookButtonFr
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "E-Mail pw resend Error: " + error.getMessage());
                 Toast.makeText(getApplicationContext(),
-                        error.getMessage(), Toast.LENGTH_LONG).show();
+                        getResources().getString(R.string.txt_errormsg_getactivationlink), Toast.LENGTH_LONG).show();
                 hideDialog();
             }
         }) {
diff --git a/app/src/main/java/org/deke/risk/riskahead/MapsActivity.java b/app/src/main/java/org/deke/risk/riskahead/MapsActivity.java
index 2de71b1..4dde5f0 100644
--- a/app/src/main/java/org/deke/risk/riskahead/MapsActivity.java
+++ b/app/src/main/java/org/deke/risk/riskahead/MapsActivity.java
@@ -354,7 +354,7 @@ public class MapsActivity extends BaseActivity implements LoaderManager.LoaderCa
             @Override
             protected Map<String, String> getParams() {
                 Map<String, String> params = new HashMap<>();
-                params.put("tag", "getincidentsforheatmapfrombound");
+                params.put("tag", AppConfig.REST_GET_INCIDENTS_FROMBOUND_FORHEATMAP);
                 params.put("uid", user.get(SessionManager.KEY_UID));
                 params.put("token", user.get(SessionManager.TOKEN));
                 params.put("nelat", Double.toString(northeast.latitude));
@@ -401,7 +401,7 @@ public class MapsActivity extends BaseActivity implements LoaderManager.LoaderCa
             @Override
             protected Map<String, String> getParams() {
                 Map<String, String> params = new HashMap<>();
-                params.put("tag", "getincidentsfrombound");
+                params.put("tag", AppConfig.REST_GET_INCIDENTS_FROMBOUND);
                 params.put("uid", user.get(SessionManager.KEY_UID));
                 params.put("token", user.get(SessionManager.TOKEN));
                 params.put("nelat", Double.toString(northeast.latitude));
@@ -474,7 +474,7 @@ public class MapsActivity extends BaseActivity implements LoaderManager.LoaderCa
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error getting incident details (server returned error): " + errorMsg);
-                        showMessage(errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_getinfowindow));
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
diff --git a/app/src/main/java/org/deke/risk/riskahead/ReportWFActivity.java b/app/src/main/java/org/deke/risk/riskahead/ReportWFActivity.java
index 474ff23..226367e 100644
--- a/app/src/main/java/org/deke/risk/riskahead/ReportWFActivity.java
+++ b/app/src/main/java/org/deke/risk/riskahead/ReportWFActivity.java
@@ -240,8 +240,8 @@ public class ReportWFActivity extends BaseActivity implements ReportWF_1_Fragmen
 
         if((id == R.id.menu_btn_gotostart)){
             new AlertDialog.Builder(ReportWFActivity.this)
-                    .setTitle("New Incident?")
-                    .setMessage("Reset everything?")
+                    .setTitle(getResources().getString(R.string.txt_reportwf_newincidenttitle))
+                    .setMessage(getResources().getString(R.string.txt_reportwf_newincidenttext))
                     .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                         public void onClick(DialogInterface dialog, int which) {
                             resetStateAndIncident();
@@ -302,7 +302,7 @@ public class ReportWFActivity extends BaseActivity implements ReportWF_1_Fragmen
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error adding incident (Server returned error): " + errorMsg);
-                        showMessage(errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_createincident));
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
diff --git a/app/src/main/java/org/deke/risk/riskahead/SubscriptionsActivity.java b/app/src/main/java/org/deke/risk/riskahead/SubscriptionsActivity.java
index ce19046..dde4a77 100644
--- a/app/src/main/java/org/deke/risk/riskahead/SubscriptionsActivity.java
+++ b/app/src/main/java/org/deke/risk/riskahead/SubscriptionsActivity.java
@@ -245,11 +245,13 @@ public class SubscriptionsActivity extends BaseActivity{
                 try {
                     JSONObject jo = new JSONObject(purchaseData);
                     String sku = jo.getString("productId");
-                    showMessage("You have bought the " + sku + ". Thank you for your support!");
+                    String title = jo.getString("title");
+                    //TODO: Dont show sku but product title
+                    showMessage(getResources().getString(R.string.txt_subs_youbought) + sku + ". "+getResources().getString(R.string.txt_subs_thankyou));
                     addSubscription(purchaseMap.get(sku).getString("productId"),purchaseMap.get(sku).getString("type"),purchaseMap.get(sku).getString("price_amount_micros"),purchaseMap.get(sku).getString("price_currency_code"));
                 }
                 catch (JSONException e) {
-                    showMessage("Failed to parse purchase data.");
+                    showMessage(getResources().getString(R.string.txt_errormsg_subs));
                     e.printStackTrace();
                 }
             }
@@ -275,6 +277,7 @@ public class SubscriptionsActivity extends BaseActivity{
                     if (error) {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error adding subscription (Server returned error): " + errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_subs));
                     } else {
                         getSubscriptions(user.get(SessionManager.KEY_UID));
                     }
@@ -288,6 +291,7 @@ public class SubscriptionsActivity extends BaseActivity{
             @Override
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "Error adding subscription: " + error.getMessage());
+                showMessage(getResources().getString(R.string.txt_errormsg_subs));
             }
         }) {
 
diff --git a/app/src/main/java/org/deke/risk/riskahead/ViewReportActivity.java b/app/src/main/java/org/deke/risk/riskahead/ViewReportActivity.java
index 8e79a4d..41e9b48 100644
--- a/app/src/main/java/org/deke/risk/riskahead/ViewReportActivity.java
+++ b/app/src/main/java/org/deke/risk/riskahead/ViewReportActivity.java
@@ -103,8 +103,8 @@ public class ViewReportActivity extends BaseActivity {
             @Override
             public void onClick(View v) {
                 new AlertDialog.Builder(ViewReportActivity.this)
-                        .setTitle("Delete incident")
-                        .setMessage("Do you really want to delete this incident?")
+                        .setTitle(getResources().getString(R.string.txt_viewreport_deletetitle))
+                        .setMessage(getResources().getString(R.string.txt_viewreport_deletetext))
                         .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
                                 deleteReport(id);
@@ -167,7 +167,7 @@ public class ViewReportActivity extends BaseActivity {
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error deleting incident (Server returned error): " + errorMsg);
-                        showMessage(errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_deleteincident));
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -178,7 +178,7 @@ public class ViewReportActivity extends BaseActivity {
             @Override
             public void onErrorResponse(VolleyError error) {
                 Log.e(TAG, "Error deleting incident: " + error.getMessage());
-                showMessage(getString(R.string.errormsg_couldnotretrieve));
+                showMessage(getResources().getString(R.string.txt_errormsg_deleteincident));
                 hideDialog();
             }
         }) {
@@ -187,7 +187,7 @@ public class ViewReportActivity extends BaseActivity {
             protected Map<String, String> getParams() {
                 // Posting parameters to login url
                 Map<String, String> params = new HashMap<>();
-                params.put("tag", "deactivateincident");
+                params.put("tag", AppConfig.REST_DEACTIVATE_INCIDENT);
                 params.put("uid", user.get(SessionManager.KEY_UID));
                 params.put("token", user.get(SessionManager.TOKEN));
                 params.put("incidentid", incidentid.toString());
@@ -218,7 +218,7 @@ public class ViewReportActivity extends BaseActivity {
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error get incident (Server returned error): " + errorMsg);
-                        showMessage(errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_getincidentdetail));
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -238,7 +238,7 @@ public class ViewReportActivity extends BaseActivity {
             protected Map<String, String> getParams() {
                 // Posting parameters to login url
                 Map<String, String> params = new HashMap<>();
-                params.put("tag", "getincidentfromincidentid");
+                params.put("tag", AppConfig.REST_GET_INCIDENTS_FROMINCIDENTID);
                 params.put("uid", user.get(SessionManager.KEY_UID));
                 params.put("token", user.get(SessionManager.TOKEN));
                 params.put("incidentid", incidentid.toString());
@@ -333,7 +333,7 @@ public class ViewReportActivity extends BaseActivity {
 
     public void makeUpvote(Integer incidentid) {
         if(user.get(SessionManager.KEY_UID).equals(Integer.toString(incident.getFidFromUser()))){
-            showMessage("You can not vote your own incidents");
+            showMessage(getResources().getString(R.string.txt_errormsg_cannotvoteowninc));
         }else {
             String tag_string_req = "addvote";
             StringRequest strReq = getStringRequestAddVote(incidentid, "1");
@@ -343,7 +343,7 @@ public class ViewReportActivity extends BaseActivity {
 
     public void makeDownvote(Integer incidentid) {
         if(user.get(SessionManager.KEY_UID).equals(Integer.toString(incident.getFidFromUser()))){
-            showMessage("You can not vote your own incidents");
+            showMessage(getResources().getString(R.string.txt_errormsg_cannotvoteowninc));
         }else {
             String tag_string_req = "addvote";
             StringRequest strReq = getStringRequestAddVote(incidentid, "2");
@@ -372,7 +372,7 @@ public class ViewReportActivity extends BaseActivity {
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error voting incident (Server returned error): " + errorMsg);
-                        showMessage(errorMsg);
+                        showMessage(getResources().getString(R.string.txt_errormsg_couldnotvote));
                     }
                 } catch (JSONException e) {
                     e.printStackTrace();
@@ -391,7 +391,7 @@ public class ViewReportActivity extends BaseActivity {
             @Override
             protected Map<String, String> getParams() {
                 Map<String, String> params = new HashMap<>();
-                params.put("tag", "addvote");
+                params.put("tag", AppConfig.REST_ADD_VOTE);
                 params.put("uid", user.get(SessionManager.KEY_UID));
                 params.put("token", user.get(SessionManager.TOKEN));
                 params.put("incidentid", incidentid.toString());
diff --git a/app/src/main/java/org/deke/risk/riskahead/fragment/ProfileStatisticsFragment.java b/app/src/main/java/org/deke/risk/riskahead/fragment/ProfileStatisticsFragment.java
index 1d0a5af..219df97 100644
--- a/app/src/main/java/org/deke/risk/riskahead/fragment/ProfileStatisticsFragment.java
+++ b/app/src/main/java/org/deke/risk/riskahead/fragment/ProfileStatisticsFragment.java
@@ -133,6 +133,7 @@ public class ProfileStatisticsFragment extends Fragment {
                     } else {
                         String errorMsg = jObj.getString("error_msg");
                         Log.e(TAG, "Error getting user stats (server returned error): " + errorMsg);
+                        //TODO: CONTINUE HERE WITH STRINGS
                         parent.showMessage(errorMsg);
                     }
                 } catch (JSONException e) {
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 7b601da..2f5790f 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -148,6 +148,23 @@
     <string name="btn_reportwf_reportnow">Jetzt melden!</string>
     <string name="btn_reportwf_next">Weiter</string>
     <string name="menu_send_feedback">Feedback senden</string>
+    <string name="txt_errormsg_sociallogin">Could not log-in. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_login">Sorry, could not log-in. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_register">Sorry, could not registrate. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getpwreset">Sorry, could not send E-Mail. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getactivationlink">Sorry, we could not send you an activation link. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getinfowindow">Sorry, could not load info window values. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_reportwf_newincidenttitle">Create new incident?</string>
+    <string name="txt_reportwf_newincidenttext">Do you want to reset all values and create a new incident?</string>
+    <string name="txt_subs_youbought">You have bought</string>
+    <string name="txt_subs_thankyou">Thank you for your support!</string>
+    <string name="txt_errormsg_subs">There was an error parsing your purchase data. Please try again or contact RiskAhead support.</string>
+    <string name="txt_viewreport_deletetitle">Delete incident?</string>
+    <string name="txt_viewreport_deletetext">Do you really want to delete this incident? A deleted incident can not be restored.</string>
+    <string name="txt_errormsg_deleteincident">Sorry, we could not delete this incident. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getincidentdetail">Sorry, we could not retrieve incident details. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_cannotvoteowninc">You can not vote your own incident.</string>
+    <string name="txt_errormsg_couldnotvote">Sorry, we could not save your vote. Please try again later or contact RiskAhead support.</string>
 
     <string-array name="cat_situation_main">
         <item>Allgemeiner Vorfall/Situation</item>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 318e7bb..d34c7a5 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -152,6 +152,24 @@
     <string name="btn_reportwf_reportnow">Report NOW!</string>
     <string name="btn_reportwf_next">Next</string>
     <string name="menu_send_feedback">Send Feedback</string>
+    <string name="txt_errormsg_sociallogin">Could not log-in. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_login">Sorry, could not log-in. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_register">Sorry, could not registrate. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getpwreset">Sorry, could not send E-Mail. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getactivationlink">Sorry, we could not send you an activation link. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getinfowindow">Sorry, could not load info window values. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_reportwf_newincidenttitle">Create new incident?</string>
+    <string name="txt_reportwf_newincidenttext">Do you want to reset all values and create a new incident?</string>
+    <string name="txt_errormsg_createincident">Sorry, we could not save your incident. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_subs_youbought">You have bought</string>
+    <string name="txt_subs_thankyou">Thank you for your support!</string>
+    <string name="txt_errormsg_subs">There was an error parsing your purchase data. Please try again or contact RiskAhead support.</string>
+    <string name="txt_viewreport_deletetitle">Delete incident?</string>
+    <string name="txt_viewreport_deletetext">Do you really want to delete this incident? A deleted incident can not be restored.</string>
+    <string name="txt_errormsg_deleteincident">Sorry, we could not delete this incident. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_getincidentdetail">Sorry, we could not retrieve incident details. Please try again later or contact RiskAhead support.</string>
+    <string name="txt_errormsg_cannotvoteowninc">You can not vote your own incident.</string>
+    <string name="txt_errormsg_couldnotvote">Sorry, we could not save your vote. Please try again later or contact RiskAhead support.</string>
 
     <string-array name="cat_situation_main">
         <item>Allgemeiner Vorfall/Situation</item>