Published in ITNEXT·PinnedMember-onlySwift iOS BackgroundTasks framework — Background App Refresh in 4 StepsIOS allows app to refresh it content even when it is sent to background. iOS can intelligently study the user’s behaviour and schedule background tasks to the moment right before routine usage. It is useful for app to retrieve the latest information from its server and display to user right…Swift6 min readSwift6 min read
Published in ProAndroidDev·PinnedMember-onlyAndroid AlarmManager As Deep As PossibleAlarmManager is a bridge between application and Android system alarm service. It can send a broadcast to your app (which can be completely terminated by user) at a scheduled time and your app can then perform any task accordingly. With the help from PendingIntent and Intent, a bundle of information…Android9 min readAndroid9 min read
Published in ITNEXT·PinnedMember-onlyAndroid ViewPager2 & TabLayoutViewPager2 is introduced in this year 2019 Google I/O and is a replacement of the old ViewPager, which was created in 2011. It includes some new features to enhance UI and coding experience, including: Right-to-left layout support Vertical orientation (Scroll vertically) modifiable Fragment collectionsAndroid5 min readAndroid5 min read
Published in ITNEXT·PinnedMember-onlyAll-in-One — Android TabLayout and TabItemTabLayout is a common widget working with ViewPager and ViewPager2. User can tap on each tap to go to a specific page in ViewPager directly. The most common example is the Google Play Store app.Android8 min readAndroid8 min read
Published in ITNEXT·PinnedMember-only4 steps to Android Dot TabItemDot presentation to TabLayout is common in many apps. There are only 4 steps to configure the dots! Click to read more. 😁Android6 min readAndroid6 min read
Published in ITNEXT·PinnedMember-onlySwift CoreNFC as quick as possibleNFC stands for “Near Field Communication”. Two electronic devices can transmit data through NFC when they are distanced fewer than 4 cm apart. NFC can be used for electronic payment. It was invented many years ago but it has just been introduced by Apple to iPhone series since the launch…I OS5 min readI OS5 min read
Published in ITNEXT·Nov 29, 2022Member-onlyiOS Sharing — Send SMS3-Steps to Send Out an SMS message — SMS is probably the most reachable communication service among all the phone user. There is no need to install any 3rd party application to support sending out and receiving an SMS message. Apple has provided the default ‘Messages” app for iOS user.Swift Programming6 min readSwift Programming6 min read
Published in ITNEXT·Nov 26, 2022Member-onlyiOS Dev — Send Email 📤Email is one of the best communication channels in the 21st century. Information can be delivered to a group of recipients in a few seconds. Have you ever thought of integrating the email function into your app? Apple has provided a simple-to-use framework — MessageUI for developers. …I OS6 min readI OS6 min read
Published in ITNEXT·Nov 15, 2022Member-only4 Steps To iOS Text & QR Code RecognitionTexts in 9 languages & both 1D and 2D barcodes are supported — In the WWDC 2022, Apple releases the DataScannerViewController of the VisionKit. It is a UIViewController that can detect both text and barcodes locally without a network connection. The response rate and the accuracy are both high. It supports all the 9 languages below: English French Italian German Spanish Portuguese Chinese…I OS App Development4 min readI OS App Development4 min read
Jan 31, 2022Member-onlyQA Testing — What is DEV, SIT, UAT & PROD?Reposted from the BuTTer Tech publication; I am the original writer. Testing can ensure the quality of the app delivered to the end-user. Different parties share different responsibilities for testing. On the app vendor side, software developers, QA engineers and project managers have to work together to clearly define the…QA4 min readQA4 min read
