issue_5680_3.1: TimeoutFragment2 - code for data loading error (1cdf2c8c) · Commits · e / os / App Lounge

app/src/main/java/foundation/e/apps/utils/parentFragment/TimeoutFragment2.kt

+65 −0

Original line number	Original line	Diff line number	Diff line
	@@ -87,6 +87,26 @@ abstract class TimeoutFragment2(@LayoutRes layoutId: Int) : Fragment(layoutId) {
	predefinedDialog: AlertDialog.Builder,		predefinedDialog: AlertDialog.Builder,
	): AlertDialog.Builder?		): AlertDialog.Builder?

			/**
			* Override to contain code to execute for error during loading data.
			* Do not call this function directly, use [showDataLoadError] for that.
			*
			* @param predefinedDialog An AlertDialog builder, already having some properties,
			* Fragment can change the dialog properties and return as the result.
			* By default:
			* 1. Dialog title set to [R.string.data_load_error].
			* 2. Dialog content set to [R.string.data_load_error_desc].
			* 3. Dialog can show technical error info on clicking "More Info"
			* 4. Has a positive button "Retry" which calls [loadData].
			* 5. Has a negative button "Close" which just closes the dialog.
			* 6. Dialog is cancellable.
			*/
			abstract fun onDataLoadError(
			exception: Exception,
			predefinedDialog: AlertDialog.Builder,
			): AlertDialog.Builder?



	/**		/**
	* Crucial to call this, other wise fragments will never receive any authentications.		* Crucial to call this, other wise fragments will never receive any authentications.
	@@ -225,4 +245,49 @@ abstract class TimeoutFragment2(@LayoutRes layoutId: Int) : Fragment(layoutId) {
	showAndSetDialog(this)		showAndSetDialog(this)
	}		}
	}		}

			/**
			* Call when there is an error during loading data (not error during authentication.)
			*
			* Calls [onDataLoadError] which may return a [AlertDialog.Builder]
			* instance if it deems fit. Else it may return null, at which case no error dialog
			* is shown to the user.
			*/
			fun showDataLoadError(
			exception: Exception,
			) {

			val dialogView = DialogErrorLogBinding.inflate(requireActivity().layoutInflater)
			dialogView.apply {
			moreInfo.setOnClickListener {
			logDisplay.isVisible = true
			moreInfo.isVisible = false
			}
			val logToDisplay = exception.message ?: ""
			if (logToDisplay.isNotBlank()) {
			logDisplay.text = logToDisplay
			moreInfo.isVisible = true
			}
			}

			val predefinedDialog = AlertDialog.Builder(requireActivity()).apply {
			setTitle(R.string.data_load_error)
			setMessage(R.string.data_load_error_desc)
			setView(dialogView.root)
			setPositiveButton(R.string.retry) { _, _ ->
			showLoadingUI()
			authObjects.value?.let { loadData(it) }
			}
			setNegativeButton(R.string.close, null)
			setCancelable(true)
			}

			onDataLoadError(
			exception,
			predefinedDialog,
			)?.run {
			stopLoadingUI()
			showAndSetDialog(this)
			}
			}
	}		}
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