空对象上的android.support.design.widget.TabLayout $ Tab.setIconint'

问题描述

我遇到了一个我不知道如何解决的错误 这是由什么原因引起的：java.lang.NullPointerException：尝试在虚拟方法上调用虚拟方法'android.support.design.widget.TabLayout $ Tab android.support.design.widget.TabLayout $ Tab.setIcon（int）'空对象引用 下面是我的日志猫，请帮助我，我需要完成这个项目，并被困在这里

public

这是我的页面查看器

      E/AndroidRuntime: FATAL EXCEPTION: main
Process: umo.com.players,PID: 28619
java.lang.RuntimeException: Unable to start activity ComponentInfo{umo.com.players/umo.com.players.Home.HomeActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.design.widget.TabLayout$Tab android.support.design.widget.TabLayout$Tab.setIcon(int)' on a null object reference
    at android.app.ActivityThread.performlaunchActivity(ActivityThread.java:2868)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2958)
    at android.app.ActivityThread.-wrap12(UnkNown Source:0)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1653)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loop(Looper.java:164)
    at android.app.ActivityThread.main(ActivityThread.java:6739)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:449)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
 Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.design.widget.TabLayout$Tab android.support.design.widget.TabLayout$Tab.setIcon(int)' on a null object reference
    at umo.com.players.Home.HomeActivity.setupViewPager(HomeActivity.java:195)
    at umo.com.players.Home.HomeActivity.onCreate(HomeActivity.java:96)
    at android.app.Activity.performCreate(Activity.java:7045)
    at android.app.Activity.performCreate(Activity.java:7036)
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1217)
    at android.app.ActivityThread.performlaunchActivity(ActivityThread.java:2815)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2958) 
    at android.app.ActivityThread.-wrap12(UnkNown Source:0) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1653) 
    at android.os.Handler.dispatchMessage(Handler.java:106) 
    at android.os.Looper.loop(Looper.java:164) 
    at android.app.ActivityThread.main(ActivityThread.java:6739) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:449) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) 

解决方法

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