chore(app): add IS_DEBUG_ENABLED build config field

Introduce a `IS_DEBUG_ENABLED` boolean flag in `BuildConfig` for both
debug and release build types. This flag is used to suppress update
notifications in `PlayerFragment` when debugging and before its a version released.

app/build.gradle.kts

@@ -31,6 +31,7 @@ android {
             isCrunchPngs = false
             proguardFiles.addAll(listOf(getDefaultProguardFile("proguard-android-optimize.txt"), file("proguard-rules.pro")))
             applicationIdSuffix = ".debug"
+            buildConfigField("boolean", "IS_DEBUG_ENABLED", "true")
         }
 
         release {
@@ -38,6 +39,7 @@ android {
             isShrinkResources = true
             isCrunchPngs = true
             proguardFiles.addAll(listOf(getDefaultProguardFile("proguard-android-optimize.txt"), file("proguard-rules.pro")))
+            buildConfigField("boolean", "IS_DEBUG_ENABLED", "true")
         }
     }
 

app/src/main/java/com/michatec/radio/PlayerFragment.kt

@@ -60,6 +60,7 @@ import com.michatec.radio.extensions.*
 import com.michatec.radio.helpers.*
 import com.michatec.radio.ui.LayoutHolder
 import com.michatec.radio.ui.PlayerState
+import com.michatec.radio.BuildConfig
 import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
@@ -831,7 +832,7 @@ class PlayerFragment : Fragment(),
                 } else {
                     activity?.packageManager?.getPackageInfo(requireActivity().packageName, 0)?.versionName
                 }
-            if (latestVersion != current) {
+            if (latestVersion != current && !BuildConfig.IS_DEBUG_ENABLED) {
                 // We have an update available, tell our user about it
                 view?.let {
                     Snackbar.make(it, getString(R.string.app_name) + " " + latestVersion + " " + getString(R.string.snackbar_update_available), 10000)