xml android:onClick not working

[muhammad-naderi]

Hi,

when I add this snippet to the activity class to wrap the context, the xml android:onClick does not work.

@Override
    protected void attachBaseContext(Context newBase) {
        super.attachBaseContext(CalligraphyContextWrapper.wrap(newBase));
    }

I mean it throws this exception

07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err: java.lang.IllegalStateException: Could not find a method OnDeleteBtnClick(View) in the activity class uk.co.chrisjenx.calligraphy.CalligraphyContextWrapper for onClick handler on view class com.rey.material.widget.FloatingActionButton with id 'optionView'
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.view.View$1.onClick(View.java:3956)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at com.rey.material.widget.RippleManager.run(RippleManager.java:85)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at com.rey.material.widget.RippleManager.onClick(RippleManager.java:79)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.view.View.performClick(View.java:4640)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.view.View$PerformClick.run(View.java:19421)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.os.Handler.handleCallback(Handler.java:733)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.os.Handler.dispatchMessage(Handler.java:95)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.os.Looper.loop(Looper.java:146)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.app.ActivityThread.main(ActivityThread.java:5602)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at java.lang.reflect.Method.invokeNative(Native Method)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at java.lang.reflect.Method.invoke(Method.java:515)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at dalvik.system.NativeStart.main(Native Method)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err: Caused by: java.lang.NoSuchMethodException: OnDeleteBtnClick [class android.view.View]
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at java.lang.Class.getConstructorOrMethod(Class.java:472)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at java.lang.Class.getMethod(Class.java:857)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:     at android.view.View$1.onClick(View.java:3949)
07-12 18:50:11.150 15984-15984/com.shygunsys.pocketcyber W/System.err:  ... 13 more

somehow wrapping the context prevents the system in looking correct class for onClick method since as soon as I comment the attachBaseContext override, everything start working fine

[chrisjenx]

Haha, OK amazing that this hasn't come up before. I'll be honest, not sure I really care about fixing this.

For now don't use android:onClick. Your XML files are just view's they shouldn't be calling into your code that's very fragile.

[jonandersen]

For now don't use android:onClick. Your XML files are just view's they shouldn't be calling into your code that's very fragile.

@chrisjenx The new data binding API actually advocates this with the MVVM pattern.

[chrisjenx]

That's a very very different. Also, personal opinion. I wouldn't use data
binding either.

On Wed, 27 Jul 2016, 15:41 Jon Andersen, notifications@github.com wrote:

For now don't use android:onClick. Your XML files are just view's they
shouldn't be calling into your code that's very fragile.

@chrisjenx https://github.com/chrisjenx The new data binding API
actually advocates this with the MVVM pattern.

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[davidgarciaanton]

@jonandersen have you tried something like 'android:onClick="@{() -> handler.doSomething()}" I use this all the time and does not conflict with CalligraphyContextWrapper

[chrisjenx]

Yes, I should point out DataBinding does work.

On Wed, 27 Jul 2016, 15:56 David García, notifications@github.com wrote:

@jonandersen https://github.com/jonandersen have you tried something
like 'android:onClick="@{() -> handler.doSomething()}" I use this all the
time and does not conflict with CalligraphyContextWrapper

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[jonandersen]

My bad about this had missed to annotate one of the calls properly and it wasn't calling the data binding method. Works fine with data binding. Thanks for all the work with the library