Android Question How to sort integers?

[catyinwong]

I was trying to use List.Sort to sort a list of integers but this is the error I get:

java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Double
at java.lang.Double.compareTo(Double.java:26)
at java.util.ComparableTimSort.countRunAndMakeAscending(ComparableTimSort.java:286)
at java.util.ComparableTimSort.sort(ComparableTimSort.java:153)
at java.util.ComparableTimSort.sort(ComparableTimSort.java:142)
at java.util.Arrays.sort(Arrays.java:1973)
at java.util.Collections.sort(Collections.java:1867)
at anywheresoftware.b4a.objects.collections.List.Sort(List.java:144)
at andr.calting.appdesigner.catling._sortlist(catling.java:130)
at andr.calting.appdesigner.main._buildcontrols(main.java:690)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:636)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:305)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:238)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:121)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:175)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:171)
at anywheresoftware.b4a.objects.ViewWrapper$1.onClick(ViewWrapper.java:77)
at android.view.View.performClick(View.java:4293)
at android.view.View$PerformClick.run(View.java:17535)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:153)
at android.app.ActivityThread.main(ActivityThread.java:5299)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
at dalvik.system.NativeStart.main(Native Method)

 

[klaus]

Without seeing your code it's difficult to give a concrete advice.
It seems that you have declared variables as Double and want to use them as Integers.

 

[Erel]

Can you post the code that fills the list?