To activate the extension, press Ctrl+ Shift+ P to open Command Pallette, and choose "Change Language Mode" -> "Logcat". Package 101 import 7.app.AppCompatActivity import android.os.Bundle import we need to copy a chunk of logcat to Code for further analyse, this extension might help.
Intent An intent is the “glue” that enables activities from different applications to work together seamlessly, ensuring that tasks can be performed as though they all belong to one single application CIS 470: Mobile App DevelopmentĪctivity Life Cycle CIS 470: Mobile App DevelopmentĪctivity Life Cycle onCreate()-Called when the activity is first created onStart()-Called when the activity becomes visible to the user onResume()-Called when the activity starts interacting with the user onPause()-Called when the current activity is being paused and the previous activity is being resumed onStop()-Called when the activity is no longer visible to the user onDestroy()-Called before the activity is destroyed by the system (either manually or by the system to conserve memory) onRestart()-Called when the activity has been stopped and is restarting again CIS 470: Mobile App Development In-class exercises Term project Design and develop an interesting Android app Project presentations and demonstration Project report with source code Grading policy Class participation: 60% (any missed session will lead to credit reduction) Close to one app per session Project: 40% No exams CIS 470: Mobile App Developmentįragments Fragment is a feature that was introduced for tablets in Android 3.0 and for phones in Android 4.0 Think of fragments as “miniature” activities that can be grouped to form an activity CIS 470: Mobile App Development The life cycles of an activity Using fragments to customize your UI Understanding the concept of intents Displaying alerts to the user using notifications CIS 470: Mobile App DevelopmentĪctivities Typically, applications have one or more activities The main purpose of an activity is to interact with the user An activity’s life cycle: from the moment an activity appears on the screen to the moment it is hidden, it goes through a number of stages CIS 470: Mobile App Development Lecture 3 Wenbing Zhao Department of Electrical Engineering and Computer Science Cleveland State University CIS 470: Mobile App Development Presentation on theme: "CIS 470 Mobile App Development"- Presentation transcript:
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