commented snackbars (for replacement to toasts)

app/src/main/java/com/rthoni/stssaguenay/ui/activities/MainActivity.java

 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.design.widget.NavigationView;
+import android.support.design.widget.Snackbar;
 import android.support.multidex.MultiDex;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.widget.DrawerLayout;
     @BindView(R.id.nav_view)
     NavigationView _navigationView;
 
+    @BindView(R.id.coordinatorLayout)
+    CoordinatorLayout _coordinatorLayout;
+
     private LoginButton _btnLogin;
 
     private TextView _textUserName;
 
             @Override
             public void onError(FacebookException error) {
+//                Snackbar.make(_coordinatorLayout, error.toString(), Snackbar.LENGTH_LONG).show();
                 Toast.makeText(MainActivity.this, error.toString(), Toast.LENGTH_LONG).show();
             }
         });
                     public void execute(final String data) {
                         progressDialog.dismiss();
                         if (data == null) {
+//                            Snackbar.make(_coordinatorLayout, R.string.encryption_empty, Snackbar.LENGTH_LONG).show();
                             Toast.makeText(MainActivity.this, R.string.encryption_empty, Toast.LENGTH_LONG).show();
                             return;
                         }
                             public void execute(String password) {
                                 UsersSettingsDbo settingsDbo = UsersSettingsBusiness.decryptSettings(data, password);
                                 if (settingsDbo == null) {
+//                                    Snackbar.make(_coordinatorLayout, R.string.encryption_bad_password, Snackbar.LENGTH_LONG).show();
                                     Toast.makeText(MainActivity.this, R.string.encryption_bad_password, Toast.LENGTH_LONG).show();
                                 }
                                 else {
+//                                    Snackbar.make(_coordinatorLayout, R.string.settings_restored, Snackbar.LENGTH_LONG).show();
                                     Toast.makeText(MainActivity.this, R.string.settings_restored, Toast.LENGTH_LONG).show();
                                     STSBusiness.setUserSettings(MainActivity.this, settingsDbo);
                                     goToHome();
                     @Override
                     public void execute(LuPromiseError data) {
                         progressDialog.dismiss();
+//                        Snackbar.make(_coordinatorLayout, data.toString(), Snackbar.LENGTH_LONG).show();
                         Toast.makeText(MainActivity.this, data.toString(), Toast.LENGTH_LONG).show();
                     }
                 });
                             @Override
                             public void execute(LuVoidDbo data) {
                                 progressDialog.dismiss();
+//                                Snackbar.make(_coordinatorLayout, R.string.settings_backed_up, Snackbar.LENGTH_LONG).show();
                                 Toast.makeText(MainActivity.this, R.string.settings_backed_up, Toast.LENGTH_LONG).show();
                             }
                         }, new LuConsumer<LuPromiseError>() {
                             @Override
                             public void execute(LuPromiseError data) {
                                 progressDialog.dismiss();
+//                                Snackbar.make(_coordinatorLayout, data.toString(), Snackbar.LENGTH_LONG).show();
                                 Toast.makeText(MainActivity.this, data.toString(), Toast.LENGTH_LONG).show();
                             }
                         });

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

                                                  android:layout_width="match_parent"
                                                  android:layout_height="match_parent"
                                                  android:fitsSystemWindows="true"
+                                                 android:id="@+id/coordinatorLayout"
                                                  tools:context=".ui.activities.MainActivity">
 
     <android.support.design.widget.AppBarLayout