feat:Connection sensing in scan

app/src/main/java/com/example/myapplication/ui/scan/ScanFragment.kt

@@ -18,12 +18,14 @@ import android.view.ViewGroup
 import android.widget.Button
 import android.widget.ImageView
 import android.widget.Toast
+import androidx.appcompat.widget.AppCompatButton
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.core.content.FileProvider
 import androidx.fragment.app.Fragment
 import java.io.File
 import androidx.lifecycle.ViewModelProvider
+import com.example.myapplication.R
 import com.example.myapplication.api.ApiServices
 import com.example.myapplication.databinding.FragmentScanBinding
 import com.example.myapplication.db.AppDatabase
@@ -45,6 +47,7 @@ import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
+import java.io.IOException
 import java.util.Locale
 import java.util.Date
 import java.text.SimpleDateFormat
@@ -176,8 +179,40 @@ class ScanFragment : Fragment() {
             }
         }
         override fun onFailure(call: Call<UploadResponse>, t: Throwable) {
-            Log.e("ScanFragment", "Network call failed", t)
-            Toast.makeText(context, "Network call failed: ${t.message}", Toast.LENGTH_LONG).show()
+            if (t is IOException) {
+                Log.e("ScanFragment", "Panggilan jaringan gagal", t)
+                showNetworkErrorDialog()
+            }else{
+                Toast.makeText(context, "Gagal: ${t.message}", Toast.LENGTH_LONG).show()
+            }
+
+        }
+    }
+
+    private fun showNetworkErrorDialog() {
+        // Inflate custom layout untuk AlertDialog
+        val dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.check_internet_scan_fragment, null)
+        // Membuat AlertDialog dan menetapkan custom view
+        val dialog = AlertDialog.Builder(requireContext())
+            .setView(dialogView)
+            .create()
+
+        // Temukan button pada custom layout dan atur onClickListener
+        dialogView.findViewById<AppCompatButton>(R.id.btnRetryScan).setOnClickListener {
+            // Tutup dialog ketika tombol OK ditekan
+            dialog.dismiss()
+            resetToInitialState()
+        }
+
+        // Tampilkan dialog
+        dialog.show()
+    }
+
+    private fun resetToInitialState() {
+        // Implementasikan logika untuk mengatur ulang tampilan atau melakukan aksi lain
+        // Contoh: Mengatur ulang tampilan ImageView ke gambar default atau mengosongkannya
+        if (selectedImageUri != null) {
+            viewImage.setImageURI(selectedImageUri)
         }
     }
 

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

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="?attr/colorPrimary"
+    android:gravity="center_vertical|center"
+    android:padding="10dp"
+    android:layout_gravity="center_horizontal"
+    android:orientation="vertical">
+
+    <ImageView
+        android:layout_width="90dp"
+        android:layout_height="90dp"
+        android:layout_gravity="center"
+        android:contentDescription="@string/wifi_off"
+        android:src="@drawable/ic_wifi_off"
+        app:tint="@color/blue" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginTop="7dp"
+        android:text="@string/no_connection"
+        android:textColor="?attr/colorAccent"
+        android:textSize="17sp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:layout_marginTop="5dp"
+        android:text="@string/sorry_no_connection"
+        android:textColor="?attr/colorAccent"
+        android:textSize="12sp" />
+
+    <androidx.appcompat.widget.AppCompatButton
+        android:id="@+id/btnRetryScan"
+        android:layout_width="150dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="40dp"
+        android:layout_marginTop="15dp"
+        android:layout_marginBottom="3dp"
+        android:background="@drawable/button_bg"
+        android:text="OK"
+        android:textAllCaps="false"
+        android:textColor="@color/white"
+        android:textSize="18sp" />
+
+</LinearLayout>
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