/
GridActivity.java
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/
GridActivity.java
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package com.kiwilss.dagger.basetext.recycler;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import com.kiwilss.dagger.R;
import com.kiwilss.dagger.adapter.GridAdapter;
import com.kiwilss.dagger.adapter.RvHFAdapter;
import java.util.ArrayList;
/**
* FileName: GridActivity
*
* @author : Lss kiwilss
* e-mail : kiwilss@163.com
* time : 2018/7/6
* desc : ${DESCRIPTION}
* Description: ${DESCRIPTION}
*/
public class GridActivity extends AppCompatActivity {
private android.support.v7.widget.RecyclerView rvlinearlist;
private ArrayList<String> mData;
private GridAdapter mGridAdapter;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_linear);
this.rvlinearlist = (RecyclerView) findViewById(R.id.rv_linear_list);
initData();
initAdapter();
}
private void initAdapter() {
GridLayoutManager gridLayoutManager = new GridLayoutManager(this, 2);
rvlinearlist.setLayoutManager(gridLayoutManager);
mGridAdapter = new GridAdapter(this, mData);
//rvlinearlist.setAdapter(mGridAdapter);
//使用添加头和尾的适配器
RvHFAdapter rvHFAdapter = new RvHFAdapter(this, mData);
rvlinearlist.setAdapter(rvHFAdapter);
//处理头和尾布局,使其占据一行
gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
@Override
public int getSpanSize(int position) {
//判断是否是头或者尾布局
if (position==0||position==mData.size()+1){
return gridLayoutManager.getSpanCount();
}
return 1;
}
});
//添加分割线
//rvlinearlist.addItemDecoration(new Divider2(this));
}
private void initData() {
mData = new ArrayList<>();
for (int i = 0; i < 10; i++) {
mData.add("频道"+i);
}
}
}