Polish code

app/src/main/java/com/custom/app/data/PreferenceModule.kt

@@ -3,7 +3,13 @@ package com.custom.app.data
 import android.content.Context
 import android.content.SharedPreferences
 import androidx.preference.PreferenceManager
-import com.custom.app.util.Constant.*
+import com.custom.app.util.Constant.KEY_DEFAULT_DEVICE
+import com.custom.app.util.Constant.KEY_DEVICE_NAME
+import com.custom.app.util.Constant.KEY_DEVICE_STATUS
+import com.custom.app.util.Constant.KEY_IGNORE_VOLUME
+import com.custom.app.util.Constant.KEY_REBOOT_ENABLED
+import com.custom.app.util.Constant.KEY_SERVICE_ENABLED
+import com.custom.app.util.Constant.KEY_UUID
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn

app/src/main/java/com/custom/app/service/AutoPauseService.kt

@@ -154,12 +154,12 @@ class AutoPauseService : Service(), onConnectionListener, onReceiveListener, Aud
                 if (volume == 1 || (!settings.ignoreVolume() && volume == 0)) {
                     if (audioManager.isMusicActive) {
                         audioManager.requestAudioFocus(audioRequest)
-                        AlertUtil.showToast(applicationContext, "Paused...")
+                        AlertUtil.showToast(this, "Paused...")
                     }
                 } else {
                     if (!audioManager.isMusicActive) {
                         audioManager.abandonAudioFocus(null)
-                        AlertUtil.showToast(applicationContext, "Playing...")
+                        AlertUtil.showToast(this, "Playing...")
                     }
                 }
             }

app/src/main/java/com/custom/app/ui/setting/SettingFragment.kt

@@ -19,7 +19,17 @@ import com.custom.app.data.DeviceModel
 import com.custom.app.service.AutoPauseService
 import com.custom.app.service.NotificationHandler
 import com.custom.app.util.AlertUtil
-import com.custom.app.util.Constant.*
+import com.custom.app.util.Constant.KEY_DEFAULT_DEVICE
+import com.custom.app.util.Constant.KEY_DEVICE_NAME
+import com.custom.app.util.Constant.KEY_IGNORE_VOLUME
+import com.custom.app.util.Constant.KEY_NOTIFICATION
+import com.custom.app.util.Constant.KEY_PERMISSION
+import com.custom.app.util.Constant.KEY_REBOOT_ENABLED
+import com.custom.app.util.Constant.KEY_RESET
+import com.custom.app.util.Constant.KEY_SERVICE_ENABLED
+import com.custom.app.util.Constant.KEY_UUID
+import com.custom.app.util.Constant.KEY_VERSION
+import com.custom.app.util.Constant.NOTIFICATION_STATUS_CHANNEL
 import com.custom.app.util.SpannyText
 import com.custom.app.util.SpannyTypeface
 import dagger.hilt.android.AndroidEntryPoint
@@ -80,7 +90,7 @@ class SettingFragment : PreferenceFragmentCompat(), SettingManager.ChangeListene
                 settings.deviceName(newValue.toString())
                 true
             } else {
-                AlertUtil.showToast(context, "Invalid name!")
+                AlertUtil.showToast(requireContext(), "Invalid name!")
                 false
             }
         }
@@ -92,18 +102,18 @@ class SettingFragment : PreferenceFragmentCompat(), SettingManager.ChangeListene
                 settings.uuId(uuId)
                 true
             } catch (e: Exception) {
-                AlertUtil.showToast(context, "Invalid format!")
+                AlertUtil.showToast(requireContext(), "Invalid format!")
                 false
             }
         }
 
         resetPreference.setOnPreferenceClickListener {
             AlertUtil.showActionAlertDialog(
-                context,
+                requireContext(),
                 getString(R.string.msg_reset_default_confirm),
                 getString(R.string.btn_cancel), getString(R.string.btn_yes)
             ) { _, _ ->
-                AlertUtil.showToast(context, "Reset to default!")
+                AlertUtil.showToast(requireContext(), "Reset to default!")
                 AutoPauseService.stop(requireContext())
                 settings.clear()
                 callback?.onRestartApp()

app/src/main/java/com/custom/app/ui/setting/SettingManager.kt

@@ -7,7 +7,13 @@ import com.custom.app.R
 import com.custom.app.data.BooleanPreference
 import com.custom.app.data.IntPreference
 import com.custom.app.data.StringPreference
-import com.custom.app.util.Constant.*
+import com.custom.app.util.Constant.KEY_DEFAULT_DEVICE
+import com.custom.app.util.Constant.KEY_DEVICE_NAME
+import com.custom.app.util.Constant.KEY_DEVICE_STATUS
+import com.custom.app.util.Constant.KEY_IGNORE_VOLUME
+import com.custom.app.util.Constant.KEY_REBOOT_ENABLED
+import com.custom.app.util.Constant.KEY_SERVICE_ENABLED
+import com.custom.app.util.Constant.KEY_UUID
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton

app/src/main/java/com/custom/app/util/AlertUtil.kt

@@ -0,0 +1,26 @@
+package com.custom.app.util
+
+import android.content.Context
+import android.content.DialogInterface
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+
+object AlertUtil {
+
+    fun showToast(context: Context, msg: CharSequence?) {
+        Toast.makeText(context, msg, Toast.LENGTH_SHORT).show()
+    }
+
+    fun showActionAlertDialog(
+        context: Context, msg: CharSequence?,
+        negativeAction: CharSequence?, positiveAction: CharSequence?,
+        listener: DialogInterface.OnClickListener?
+    ) {
+        val alert = AlertDialog.Builder(context)
+        alert.setMessage(msg)
+        alert.setCancelable(true)
+        alert.setPositiveButton(positiveAction, listener)
+        alert.setNegativeButton(negativeAction) { dialog, _: Int -> dialog.dismiss() }
+        alert.show()
+    }
+}

app/src/main/java/com/custom/app/util/Constant.kt

@@ -0,0 +1,20 @@
+package com.custom.app.util
+
+object Constant {
+
+    const val NOTIFICATION_STATUS_ID = 1
+    const val NOTIFICATION_STATUS_CHANNEL = "status"
+
+    const val KEY_UUID = "uuid"
+    const val KEY_DEVICE_NAME = "device_name"
+    const val KEY_DEVICE_STATUS = "device_status"
+    const val KEY_DEFAULT_DEVICE = "default_device"
+    const val KEY_SERVICE_ENABLED = "service_enabled"
+    const val KEY_REBOOT_ENABLED = "reboot_enabled"
+    const val KEY_PERMISSION = "permission"
+    const val KEY_NOTIFICATION = "notification"
+    const val KEY_IGNORE_VOLUME = "ignore_volume"
+    const val KEY_RESET = "reset"
+    const val KEY_VERSION = "version"
+
+}

app/src/main/java/com/custom/app/util/SpannyText.kt

@@ -100,4 +100,4 @@ class SpannyTypeface : TypefaceSpan {
             paint.typeface = tf
         }
     }
-}
+}

app/src/main/java/com/custom/app/util/Util.kt

@@ -0,0 +1,23 @@
+package com.custom.app.util
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS
+import androidx.core.content.ContextCompat
+
+object Util {
+
+    fun isPermissionGranted(context: Context, permission: String): Boolean {
+        return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED
+    }
+
+    fun showAppSettings(activity: Activity, packageName: String) {
+        val intent = Intent(ACTION_APPLICATION_DETAILS_SETTINGS, Uri.parse("package:$packageName"))
+        intent.addCategory(Intent.CATEGORY_DEFAULT)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        activity.startActivity(intent)
+    }
+}