扩展RecyclerView.Adapter不可用

Question

trying extend my class with "extends RecycleView.Adapter" but it seams like it is not "available" , I Rebuilded and cleaned up the project but it's no help. build.cradle : (in case that have anything to do with it)

 minSdkVersion 15
 targetSdkVersion 23
 compileSdkVersion 23
 buildToolsVersion "23.0.1" 

(thank U for any help)

Answer 1

You have to import its library as follows :

compile 'com.android.support:recyclerview-v7:23.0.1'

Example :

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:recyclerview-v7:23.0.1'
}

Make sure that you are importing import android.support.v7.widget.RecyclerView;

Your class should look like this :

public class MyRecyclerViewAdapter extends RecyclerView.Adapter<MyRecyclerViewAdapter.CustomViewHolder> {

Answer 2

Had the same issue where I could not extend RecyclerView.Adapter and it was that I copied and pasted the following:

compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:appcompat-v7:23.1.1'

but I should have replaced the :appcompat with :recyclerview

Here is the correct lines in the dependencies section of the gradle script build.gradle:

compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:recyclerview-v7:23.4.0'

Hope this helps someone wondering why they could not extend RecyclerView.Adapter