在我的Xml文件中,我有cardView
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="wrap_content" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_height="wrap_content" android:paddingLeft="4dp" android:paddingRight="4dp" android:paddingBottom="2dp"> <android.support.v7.widget.CardView android:layout_width="match_parent" android:layout_height="wrap_content" android:foreground="?android:attr/selectableItemBackground" android:id="@+id/channel_cardview" app:cardBackgroundColor="@android:color/white" app:cardElevation="2dp" app:cardMaxElevation="2dp" app:cardUseCompatPadding="true"> .... some other elements here </RelativeLayout>
当我在SDK 23上运行我的应用程序时,它工作正常,但是当我在SDK 19或SDK 16上运行它时,它无法工作并抛出此错误:
E/AndroidRuntime: FATAL EXCEPTION: main android.view.InflateException: Binary XML file line #10: Error inflating class <unkNown> at android.view.LayoutInflater.createView(LayoutInflater.java:613) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687) at android.view.LayoutInflater.rInflate(LayoutInflater.java:746) at android.view.LayoutInflater.inflate(LayoutInflater.java:489) at android.view.LayoutInflater.inflate(LayoutInflater.java:396) at pb.pocketboard.ChannelFragment$ChannelsAdapter.onCreateViewHolder(ChannelFragment.java:578) at pb.pocketboard.ChannelFragment$ChannelsAdapter.onCreateViewHolder(ChannelFragment.java:537) at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5482) at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4707)
错误指向行号. 10是cardViewCLass,
也许系统没有识别Cardview类,所以我搜索相关的问题,那里的问题是没有添加依赖项,但我已经添加了它
我的Gradle:
dependencies { compile filetree(include: ['*.jar'],dir: 'libs') testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.4.0' compile 'com.android.support:design:23.4.0' compile 'com.mikhaellopez:circularimageview:2.1.1' compile 'com.isseiaoki:simplecropview:1.0.16' compile 'com.android.support:recyclerview-v7:23.4.0' compile 'com.android.support:cardview-v7:23.4.0' compile 'com.android.support:support-v4:23.4.0' compile('com.github.afollestad.material-dialogs:core:0.8.5.3@aar') { transitive = true } compile files('libs/commons-io-2.4.jar') }
我的java类,我正在给布局充气
@Override public ChannelsViewHolder onCreateViewHolder(ViewGroup parent,int viewType) { View rowView = inflater.inflate(R.layout.custom_channel_row,parent,false); // error is here ChannelsViewHolder holder = new ChannelsViewHolder(rowView,this); return holder; }
任何线索为什么会发生这种情况?
解决方法
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