I am coding my xml file with the couple switch widgets. but I don't know how to set the default value of them as ON. And I just want to get this problem solved within the xml file so no Java.
Using scale property to change size worked for me. Add these lines to your <switch/> tag in xml file. You can change scale value as per your need. Here value 2 makes it double in size, similarly value 0.5 makes it half in size.
Important Note: We can check the current state of a Switch programmatically by using isChecked() method. This method returns a Boolean value means true or false. If a Switch is checked then it returns true otherwise it returns false. Below is an example code in which we checked the current state of a Switch.
To make Switch set "ON" in you XML file use this:
android:checked="true"
To set the Switch default as ON in XML file :
android:checked = "true"
Don't try using android:pressed = "true" . It will throw an error while running the app.
You can set the Switch default as ON/OFF from the code itself. Try something like this:
switch.setChecked(true) // to set it true
Or,
switch.setChecked(false) // to set it false
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