java - 在自定义 BaseAdapter 子类中使用 butterknife 导致 "Unable to inject views"错误

标签 java android annotations baseadapter butterknife

我正在尝试使用 Butter Knife 来简化自定义 BaseAdapter 类的创建。我在这里遵循示例:“另一个用途是简化列表适配器内部的 View 持有者模式”下的 http://jakewharton.github.io/butterknife/。部分。不幸的是，每次为列表中的每个项目创建 ViewHolder 时，我都会收到“无法注入(inject) View ”错误。

这是我的代码:

public class ButterknifeCustomBaseAdapter extends BaseAdapter{
@Override
public int getCount() {
    return arrayListNames.size();
}

@Override
public Name getItem(int iPosition) {
    return arrayListNames.get(iPosition);
}

@Override
public long getItemId(int iID) {
    return 0;
}

LayoutInflater inflater;
ArrayList<Name> arrayListNames = new ArrayList<Name>();
static Context context;
Activity activity;

public ButterknifeCustomBaseAdapter(Context context, ArrayList<Name> names, Activity activity) {
    arrayListNames = names;
    this.context = context;
    inflater = LayoutInflater.from(this.context);
}



static class ViewHolder implements View.OnClickListener {
    @InjectView(R.id.textViewFullName) TextView textViewFullName;
    @InjectView(R.id.imageButtonDeleteName) TextView imageButtonDeleteName;
    @OnClick(R.id.imageButtonDeleteName)
    public void onClick(View view) {
        ((NameActivity)context).DeleteUser((Name)view.getTag());
    }

    public ViewHolder(View view) {
        ButterKnife.inject(this, view);
    }
}

@Override public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder viewHolder;

    if (convertView != null) {
        viewHolder = (ViewHolder) convertView.getTag();
    } else {
        convertView = inflater.inflate(R.layout.item_name, parent, false);
        viewHolder = new ViewHolder(convertView);
        convertView.setTag(viewHolder);
    }

    viewHolder.textViewFullName.setText(((Name)getItem(position)).GetFullName());
    L.l("ArrayAdapterName", ((Name)getItem(position)).GetID() + " inserted in list | position = " + position);
    viewHolder.imageButtonDeleteName.setTag((Name)getItem(position));
    return convertView;
}

}

错误发生在“ButterKnife.Inject(this, view);”线。每次为我放入列表中的每个项目创建 View 持有者时也会发生这种情况。有谁知道如何使这项工作以应有的方式工作？

回复 jack 沃顿的评论 首先，让我感谢您开发此工具。与我刚开始时相比，它使 Android 开发变得更加愉快。

这是完整的堆栈跟踪:

05-04 07:29:01.991    2424-2424/com.murach.databasehomework E/AndroidRuntime﹕ FATAL EXCEPTION: main
    java.lang.RuntimeException: Unable to inject views for com.murach.databasehomework.ButterknifeCustomBaseAdapter$ViewHolder@52700878
            at butterknife.ButterKnife.inject(ButterKnife.java:221)
            at butterknife.ButterKnife.inject(ButterKnife.java:184)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter$ViewHolder.<init>(ButterknifeCustomBaseAdapter.java:59)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter.getView(ButterknifeCustomBaseAdapter.java:70)
            at android.widget.AbsListView.obtainView(AbsListView.java:2177)
            at android.widget.ListView.makeAndAddView(ListView.java:1840)
            at android.widget.ListView.fillDown(ListView.java:675)
            at android.widget.ListView.fillFromTop(ListView.java:736)
            at android.widget.ListView.layoutChildren(ListView.java:1655)
            at android.widget.AbsListView.onLayout(AbsListView.java:2012)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:349)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1976)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1730)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
            at android.view.Choreographer.doCallbacks(Choreographer.java:562)
            at android.view.Choreographer.doFrame(Choreographer.java:532)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
            at android.os.Handler.handleCallback(Handler.java:730)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5103)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: java.lang.reflect.InvocationTargetException
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at butterknife.ButterKnife.inject(ButterKnife.java:216)
            at butterknife.ButterKnife.inject(ButterKnife.java:184)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter$ViewHolder.<init>(ButterknifeCustomBaseAdapter.java:59)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter.getView(ButterknifeCustomBaseAdapter.java:70)
            at android.widget.AbsListView.obtainView(AbsListView.java:2177)
            at android.widget.ListView.makeAndAddView(ListView.java:1840)
            at android.widget.ListView.fillDown(ListView.java:675)
            at android.widget.ListView.fillFromTop(ListView.java:736)
            at android.widget.ListView.layoutChildren(ListView.java:1655)
            at android.widget.AbsListView.onLayout(AbsListView.java:2012)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:349)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1976)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1730)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
            at android.view.Choreographer.doCallbacks(Choreographer.java:562)
            at android.view.Choreographer.doFrame(Choreographer.java:532)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
            at android.os.Handler.handleCallback(Handler.java:730)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5103)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: java.lang.ClassCastException: android.widget.ImageButton cannot be cast to android.widget.TextView
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter$ViewHolder$$ViewInjector.inject(ButterknifeCustomBaseAdapter$ViewHolder$$ViewInjector.java:13)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at butterknife.ButterKnife.inject(ButterKnife.java:216)
            at butterknife.ButterKnife.inject(ButterKnife.java:184)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter$ViewHolder.<init>(ButterknifeCustomBaseAdapter.java:59)
            at com.murach.databasehomework.ButterknifeCustomBaseAdapter.getView(ButterknifeCustomBaseAdapter.java:70)
            at android.widget.AbsListView.obtainView(AbsListView.java:2177)
            at android.widget.ListView.makeAndAddView(ListView.java:1840)
            at android.widget.ListView.fillDown(ListView.java:675)
            at android.widget.ListView.fillFromTop(ListView.java:736)
            at android.widget.ListView.layoutChildren(ListView.java:1655)
            at android.widget.AbsListView.onLayout(AbsListView.java:2012)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:349)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
            at android.view.View.layout(View.java:14289)
            at android.view.ViewGroup.layout(ViewGroup.java:4562)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1976)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1730)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
            at android.view.Choreographer.doCallbacks(Choreographer.java:562)
            at android.view.Choreographer.doFrame(Choreographer.java:532)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
            at android.os.Handler.handleCallback(Handler.java:730)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5103)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:525)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
            at dalvik.system.NativeStart.main(Native Method)

最佳答案

检查您的 @InjectView 是否具有正确的类型。我使用了 ImageView 而不是 LinearLayout。这也可能是你的问题。

更新:

确保您没有将 ButterKnife 的 @OnItemClick(R.id.non_list_view) 与非 ListView 一起使用。我将它用于导致以下异常的 android.support.v7.widget.RecyclerView:

java.lang.RuntimeException: Unable to inject views for MyFragment{... id=.... android:switcher:...}

关于java - 在自定义 BaseAdapter 子类中使用 butterknife 导致 "Unable to inject views"错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/23448925/

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