In Android, a button respresent something that can be clicked by the user to perform some action.
Firstly, we need to create a project in Android Studio. To do follow these steps:
Click on File, then New and then New Project and give name whatever you like:
- 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 doing this you will see some directories on the left hand side after your project/gradle is finished loading. It should look like this:
Second step is to design our layout page. Go to app > res > layout and paste the folllowing code:
Modify activity_main.xml file
After setting up the design our final step is to code our progress bar. Open app/src/main/java/yourPackageName/MainActivity.kt
Create Button in MainActivity.kt file
First of all, we define the button and set its atributes.
val button = Button(this) // setting layout_width and layout_height using layout parameters button.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)
then, add the button in the layout using addView()
val layout = findViewById(R.id.layout) as LinearLayout // add Button to LinearLayout layout.addView(button)
Run as Emulator:
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