Android Slide Up/Down in Kotlin
In Android Animations are the visuals that are added to make the user interface more interactive, clear and good looking.
In this article we will be discussing how to create a Slide Up/Down animation in Kotlin.
|android:duration||It is used to specify the duration of animation|
|android:fromYDelta||It is the change in Y coordinate to be applied at the start of the animation|
|android:toYDelta||It is the change in Y coordinate to be applied at the end of the animation|
|android:id||Sets unique id of the view|
First step is to create a new Project in Android Studio. For this follow these steps:
- Click on File, then New and then New Project and give name whatever you like
- Then, select Kotlin language Support and click next button.
- Select minimum SDK, whatever you need
- Select Empty activity and then click finish.
After that, we need to design our layout. For that we need to work with the XML file. Go to app > res > layout and paste the following code:
Modify activity_main.xml file
Add anim folder
In this folder, we will be adding the XML files which will be used to produce the animations. For this to happen, go to app/res right click and then select, Android Resource Directory and name it as anim.
Again right click this anim folder and select Animation resource file and name it as slide_up. Similarly, also create slide_down.xml and paste the following code.
Modify MainActivity.kt file
Open app/src/main/java/yourPackageName/MainActivity.kt and do the following changes: