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sayyam / carouselview

A simple library to add carousel view in android app.
Apache License 2.0
1.15k stars 260 forks source link

setPageCount returns null #87

Open makiabuan opened 6 years ago

makiabuan commented 6 years ago

Hi, I copied the code sample. Changed the images from my drawable.

I get an error

Process: com.tinkinno.kantina, PID: 6525 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tinkinno.kantina/com.tinkinno.kantina.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.synnapps.carouselview.CarouselView.setPageCount(int)' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2327) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2392) at android.app.ActivityThread.access$800(ActivityThread.java:153) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1305) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5293) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.synnapps.carouselview.CarouselView.setPageCount(int)' on a null object reference at com.tinkinno.kantina.MainActivity.classInit(MainActivity.java:90) at com.tinkinno.kantina.MainActivity.onCreate(MainActivity.java:61) at android.app.Activity.performCreate(Activity.java:5990) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2280) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2392)  at android.app.ActivityThread.access$800(ActivityThread.java:153)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1305)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:135)  at android.app.ActivityThread.main(ActivityThread.java:5293)  at java.lang.reflect.Method.invoke(Native Method)  at java.lang.reflect.Method.invoke(Method.java:372)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 

Anyone got a clue?