Perbaikan login null dan progress bug spinner

app/src/main/java/com/yono/messeripos/FormProductActivity.java

@@ -44,7 +44,9 @@ import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -177,7 +179,9 @@ public class FormProductActivity extends AppCompatActivity {
         });
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.N)
     private void setSpinner(String s) {
+        HashSet<String> set = new HashSet<>();
         categoryModels = new ArrayList<>();
         categoryModels.add("SELECT CATEGORY");
         mainViewModels.getCategory().observe(this, listDataResponse -> {
@@ -185,15 +189,29 @@ public class FormProductActivity extends AppCompatActivity {
             List<CategoryModels> cate = listDataResponse.getData();
 
             for (CategoryModels cd: cate){
+                Log.i("SPINNER", "setSpinner: "+utils.convertGson(cd.getNameCategory()));
                 categoryModels.add(cd.getNameCategory());
             }
+
+
+
+
 //            Log.i("Spinner data", "onCreate: "+utils.convertGson(categoryModels));
-                @SuppressLint("ResourceType")
-                ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(FormProductActivity.this,
-                        R.id.listCategory, categoryModels);
-                binding.listCategory.setAdapter(dataAdapter);
-                progressDialog.dismiss();
         });
+        List<HashSet<String>> collect = categoryModels.stream().map(v -> {
+            if (set.add(v) == true) {
+                set.add(v);
+            }
+            return set;
+        }).collect(Collectors.toList());
+
+        Log.i("SPINNER", "setSpinner: "+utils.convertGson(collect));
+
+        @SuppressLint("ResourceType")
+        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(FormProductActivity.this,
+                R.id.listCategory, categoryModels);
+        binding.listCategory.setAdapter(dataAdapter);
+        progressDialog.dismiss();
     }
 
     private void saveProduct(){

app/src/main/java/com/yono/messeripos/LoginActivity.java

@@ -22,6 +22,7 @@ import com.google.android.material.textfield.TextInputEditText;
 import com.yono.messeripos.models.MainViewModels;
 import com.yono.messeripos.models.UsersModels;
 import com.yono.messeripos.response.DataResponse;
+import com.yono.messeripos.utils.Utils;
 
 public class LoginActivity extends AppCompatActivity {
 
@@ -30,6 +31,7 @@ public class LoginActivity extends AppCompatActivity {
     MainViewModels mainViewModels;
     ProgressBar progressBar;
     SharedPreferences sharedPreferences;
+    Utils utils = new Utils();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -75,23 +77,27 @@ public class LoginActivity extends AppCompatActivity {
                         public void onChanged(DataResponse<UsersModels> usersModelsDataResponse) {
                             Log.d("Status", usersModelsDataResponse.getMessageData());
 
-                            if (usersModelsDataResponse.getStatusData()){
-                                SharedPreferences.Editor editor = sharedPreferences.edit();
-                                editor.putBoolean(SplashScreen.SESSION, true);
-                                editor.commit();
-
-                                startActivity(new Intent(LoginActivity.this, MainActivity.class));
-
-                                progressBar.setVisibility(View.GONE);
-                                username.setEnabled(true);
-                                password.setEnabled(true);
-                                btnLogin.setEnabled(true);
-                            }else {
-                                snackbar.show();
-                                progressBar.setVisibility(View.GONE);
-                                username.setEnabled(true);
-                                password.setEnabled(true);
-                                btnLogin.setEnabled(true);
+                            if (usersModelsDataResponse != null){
+                                if (usersModelsDataResponse.getStatusData()){
+                                    SharedPreferences.Editor editor = sharedPreferences.edit();
+                                    editor.putBoolean(SplashScreen.SESSION, true);
+                                    editor.commit();
+
+                                    startActivity(new Intent(LoginActivity.this, MainActivity.class));
+
+                                    progressBar.setVisibility(View.GONE);
+                                    username.setEnabled(true);
+                                    password.setEnabled(true);
+                                    btnLogin.setEnabled(true);
+                                }else {
+                                    utils.snackBar(v,"Oppss! Wrong Username Or Password!").show();
+                                    progressBar.setVisibility(View.GONE);
+                                    username.setEnabled(true);
+                                    password.setEnabled(true);
+                                    btnLogin.setEnabled(true);
+                                }
+                            }else{
+                                utils.snackBar(v, "Oppss! ログイン中にエラーが発生しました。しばらくしてからもう一度お試しください").show();
                             }
 
                         }

app/src/main/java/com/yono/messeripos/utils/Utils.java

@@ -7,12 +7,14 @@ import android.graphics.BitmapFactory;
 import android.os.Build;
 import android.util.Base64;
 import android.util.Log;
+import android.view.View;
 import android.widget.Toast;
 
 import androidx.annotation.RequiresApi;
 import androidx.recyclerview.widget.DividerItemDecoration;
 
 import com.bumptech.glide.load.engine.Resource;
+import com.google.android.material.snackbar.Snackbar;
 import com.google.gson.Gson;
 
 import java.io.ByteArrayOutputStream;
@@ -162,4 +164,9 @@ public class Utils {
         return inSampleSize;
     }
 
+    public Snackbar snackBar(View v, String message){
+        Snackbar snackbar = Snackbar.make(v, message, Snackbar.LENGTH_LONG);
+        return snackbar;
+    }
+
 }