feat: keep screen on for download wizard

app-common/src/main/java/im/angry/openeuicc/ui/wizard/DownloadWizardActivity.kt

@@ -316,11 +316,15 @@ class DownloadWizardActivity: BaseEuiccAccessActivity() {
         }
 
         open fun beforeNext() {}
-
-        protected fun setKeepScreenOn(enabled: Boolean) {
-            val flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
-            val window = (requireActivity() as DownloadWizardActivity).window
-            if (enabled) window.addFlags(flags) else window.clearFlags(flags)
     }
+
+    override fun onStart() {
+        super.onStart()
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    }
+
+    override fun onStop() {
+        super.onStop()
+        window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
     }
 }

app-common/src/main/java/im/angry/openeuicc/ui/wizard/DownloadWizardProgressFragment.kt

@@ -96,7 +96,6 @@ class DownloadWizardProgressFragment : DownloadWizardActivity.DownloadWizardStep
 
     override fun onStart() {
         super.onStart()
-        setKeepScreenOn(true)
 
         lifecycleScope.launch {
             showProgressBar(-1) // set indeterminate first
@@ -141,11 +140,6 @@ class DownloadWizardProgressFragment : DownloadWizardActivity.DownloadWizardStep
         }
     }
 
-    override fun onStop() {
-        super.onStop()
-        setKeepScreenOn(false)
-    }
-
     private suspend fun startDownloadOrSubscribe(): EuiccChannelManagerService.ForegroundTaskSubscriberFlow? =
         if (state.downloadStarted) {
             // This will also return null if task ID is -1 (uninitialized), too