I defined onClick="internal" in button and when I ...
# androidk
Ketan Khunti
07/20/2021, 3:57 AMI defined onClick="internal" in button and when I use fun internal(v:VIEW) {} then it is working but when I define function like fun internal() {} then it isn't working. Can anyone explain why it is so ?
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Divyanshu Kunwar
07/20/2021, 5:38 AMI think you missed the arguments v:View
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Ketan Khunti
07/20/2021, 5:40 AMThat's what I am asking that why is it necessary?
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ephemient
07/20/2021, 7:54 AM1. this is not a kotlin question, it is the exact same in java
2. https://developer.android.com/reference/android/view/View#attr_android:onClick it is documented
3. https://cs.android.com/android/platform/superproject/+/master:frameworks/base/core/java/android/view/View.java;l=6273;drc=master;bpv=0;bpt=1?q=DeclaredOnClickListener.resolveMethod&sq=&ss=android%2Fplatform%2Fsuperproject that is how the method is found by reflection
ephemient
07/20/2021, 7:57 AManyway, don't use it. it goes along with a "god activity" which handles everything, but that is not recommended modern app design.
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