最近更新了gradle文件中的android.arch支持库版本
// ViewModel and LiveData
implementation "android.arch.lifecycle:extensions:1.1.1"
// alternatively, just ViewModel
implementation "android.arch.lifecycle:viewmodel:1.1.1"
// alternatively, just LiveData
implementation "android.arch.lifecycle:livedata:1.1.1"
annotationProcessor "android.arch.lifecycle:compiler:1.1.1"
// Room (use 1.1.0-alpha1 for latest alpha)
implementation "android.arch.persistence.room:runtime:1.0.0"
annotationProcessor "android.arch.persistence.room:compiler:1.0.0"
// Paging
implementation "android.arch.paging:runtime:1.0.0-alpha7"
现在我说得到这个错误
最佳答案
public static final DiffUtil.ItemCallback<User> DIFF_CALLBACK =
new DiffUtil.ItemCallback<User>() {
@Override
public boolean areItemsTheSame(
@NonNull User oldUser, @NonNull User newUser) {
//..
}
@Override
public boolean areContentsTheSame(
@NonNull User oldUser, @NonNull User newUser) {
//..
}
}
您还可以检查 DiffCallback
类(class)。现在,此类已移至 recyclerview-v7
中,并且已弃用。
关于android - 无法在 Android 架构组件 1.1.1 : 中找到类 DiffCallback,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49596307/