.

app/src/main/java/com/ssb/simplitend/apputils/AppUtil.java

@@ -1,8 +1,13 @@
 package com.ssb.simplitend.apputils;
 
 import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
 import android.content.Context;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
 import android.os.Handler;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
@@ -18,6 +23,16 @@ import com.ssb.simplitend.databinding.DoneBottomsheetBinding;
 
 public abstract class AppUtil {
 
+    private static final String TAG = "AppUtil";
+
+    // fields
+
+    public static final String USER_DETAILS = "user_details";
+
+    public static final String USER_TOKEN = "user_token";
+
+    // util functions
+
     // closes keyboard
     public static void closeKeyboard(Activity activity){
         if (activity != null){
@@ -88,4 +103,42 @@ public abstract class AppUtil {
         }, doneInterval);
     }
 
+    // Show alert dialog
+    public static synchronized void showAlert(@NonNull Context context,
+                                       @NonNull String title, @NonNull String message,
+                                       @NonNull String positiveText, @NonNull DialogInterface.OnClickListener positiveClickListener,
+                                       String negativeText, DialogInterface.OnClickListener negativeClickListener) {
+
+        AlertDialog.Builder alertBuilder = new AlertDialog.Builder(context);
+
+        alertBuilder.setTitle(title);
+        alertBuilder.setMessage(message);
+
+        alertBuilder.setPositiveButton(positiveText, positiveClickListener /* Call back*/);
+
+        if (negativeText != null && negativeClickListener != null) {
+            // Negative button
+            alertBuilder.setNegativeButton(negativeText, negativeClickListener);
+        }
+
+        alertBuilder.create().show(); // Showing alert dialog
+    }
+
+    public static void saveToken(String token, Context context){
+        SharedPreferences sp = context.getSharedPreferences(USER_DETAILS, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+
+        editor.putString(USER_TOKEN, token);
+
+        editor.apply();
+
+        Log.d(TAG, "saveToken: user token saved successful");
+
+    }
+
+    public static String getUserToken(Context context){
+        SharedPreferences sp = context.getSharedPreferences(USER_DETAILS, Context.MODE_PRIVATE);
+        return sp.getString(USER_TOKEN, "");
+    }
+
 }