Events

Events are Triggers which occurs when user open, close, press button, long click button, download completion etc.

Activity

Source: https://medium.com/sketchware/activity-lifecycle-in-android-applications-1b48a7bb584c

Activity Life-cycle (Pic. 9)

onCreate

This is the event, when app is started. This is a good place to initialize any data such as variables or lists. In Sketchware, this event is provided by default.

onBackPressed

As the name suggests, the blocks in this event will run when back button is pressed from your phone.

onStart

This event occurs when you open/reopen the activity. See the Pic.9 for more details.

onPostCreate

This event is called when activity start-up or onStart is complete.

onResume

This event is called whenever the user returns to the activity after leaving the activity — such as receiving a call, pressing the home button, turning off the screen, or transitioning to another activity.

onPause

This event occurs when the user is leaving your activity.

onStop

When your activity is no longer visible to the user. This is usually a good point to pause any ongoing process, such as MediaPlayer or SoundPool.

onDestroy

When the activity is closed, this will last event of Activity. It also occurs when somebody close the app correctly. (Force close can be exception)

View

onClick

A simple Event when that specific widget is clicked.

onTextChanged

Whenever the text in 'edittext' is changed.

onTextChanged also occurs when you set text by using blocks

onCheckChanged

This event occurs when the value of Checkbox/Switch is changed.

onCheckChanged also occurs when you change check by using blocks

An Example (Pic. 10)

onProgressChanged

This event occurs when progress is changed for seekbar. (Only for Seekbar)

onStartTrackingTouch

This event occurs when the user holds the seekbar to change it. (Only for Seekbar)

onStopTrackingTouch

This event occurs when the user stop holding the seekbar when he is done. (Only for Seekbar)

MAPVIEW will be added soon.

onDateChange

This event occurs when the user selects a date in a CalendarView. (Only for CalendarView)