我用户使用butterknife来开发我的Android工程师APP并在android 4.4中测试它表现不错.
但是当我在Android 5.0上面的手机中测试时,它总是会抛出如下错误.
Caused by: java.lang.RuntimeException: Unable to bind views for com.quinn.githubknife.ui.activity.MainActivity
at butterknife.ButterKnife.bind(ButterKnife.java:322)
at butterknife.ButterKnife.bind(ButterKnife.java:237)
at com.quinn.githubknife.ui.activity.MainActivity.onCreate(MainActivity.java:70)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5257)
Caused by: ava.lang.IllegalStateException: Required view 'toolbar' with ID 2131689575 for field 'toolbar' was not found. If this view is optional add '@Nullable' annotation.
at butterknife.ButterKnife$Finder.findRequiredView(ButterKnife.java:140)
at com.quinn.githubknife.ui.activity.MainActivity$$ViewBinder.bind(MainActivity$$ViewBinder.java:11)
at com.quinn.githubknife.ui.activity.MainActivity$$ViewBinder.bind(MainActivity$$ViewBinder.java:8)
at butterknife.ButterKnife.bind(ButterKnife.java:319)
at butterknife.ButterKnife.bind(ButterKnife.java:237)
at com.quinn.githubknife.ui.activity.MainActivity.onCreate(MainActivity.java:70)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390)
at android.app.ActivityThread.access$800(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5257)
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)
我的核心java代码是:
public class MainActivity extends BaseActivity implements MainAuthView,NavigationView.OnNavigationItemSelectedListener {
@Bind(R.id.toolbar)
Toolbar toolbar;
@Bind(R.id.drawer_layout)
DrawerLayout mDrawerLayout;
@Bind(R.id.nav_view)
NavigationView navigationVIew;
@Bind(R.id.viewpager)
ViewPager viewpager;
@Bind(R.id.tabs)
TabLayout tab;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
}
}
解决方法:
ButterKnife无法为您带注释的工具栏视图找到R.id.toolbar并抛出一个摇摆不定的东西.视图的id是错误的,或者在R.layout.activity_main中不存在.如果你认为它是可选的,那么你可以添加@Nullable.
标签:android,butterknife 来源: https://codeday.me/bug/20190706/1399344.html
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