Kotlin Kotlin is a statically-typed programming language that runs on the Java Virtual Machine and also can be compiled to JavaScript source code. Its primary development is from a team of JetBrains programmers based in Saint Petersburg , Russia (the name comes from Kotlin Island , near St. Petersburg). [3] While not syntax compatible with Java, Kotlin is designed to interoperate with Java code and is reliant on Java code from the existing Java Class Library , such as the collections framework . Kotlin is similar to Apple's Swift . History In July 2011 JetBrains unveiled Project Kotlin, a new language for the JVM, which had been under development for a year. [5] JetBrains lead Dmitry Jemerov said that most languages did not have the features they were looking for, with the exception of Scala. However, he cited the slow compile time of Scala as an obvi...
Create notification The Create Notification method is used when you want your server to programmatically send notifications to a segment or individual users. You may target users in one of three ways using this method: by Segment , by Filter , or by Device . At least one targeting parameter must be specified. You may only use one method of targeting users If a targeting parameter of one type is used, then targeting parameters from other types may not be used. For instance, you cannot use the included_segments parameter (from segments) with the filters . Send to Segments Segments are the most common way developers send notifications via OneSignal. Sending to segments is easy: you simply specify which segments you want to send to, and, optionally, which ones you don't. Send to a specific segment - Create notification class PhotoTask extends AsyncTask<String,String,String> { @Override protected String do...
Android DatePicker is a widget to select date. It allows you to select date by day, month and year. Like DatePicker, android also provides TimePicker to select time. The android.widget.DatePicker is the subclass of FrameLayout class. Android DatePicker Example Let's see the simple example of datepicker widget in android. activity_main.xml File: activity_main.xml < RelativeLayout xmlns:androclass = "http://schemas.android.com/apk/res/android" xmlns:tools = "http://schemas.android.com/tools" android:layout_width = "match_parent" android:layout_height = "match_parent" tools:context = ".MainActivity" > < TextView android:id = "@+id/textView1" ...
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