RecyclerView的使用（3种视图切换）
大家可以通过导入support-v7对其进行使用
compile 'com.android.support:recyclerview-v7:23.2.1-alpha1'这里实现ListView，GridView,Staggered(瀑布流)的切换
只是简单的实现，还没有添加和删除功能。
示例图1
示例图2
示例图3
Activity
/**
* Created by zzb on 2016/3/30.
*/
public class MainActivity extends AppCompatActivity {
private RecyclerView mRecycleview;
private int[] imgs={R.drawable.a1,R.drawable.a2,R.drawable.a3,R.drawable.a4,
R.drawable.a5,R.drawable.a6};
private String[] mDatas = {
"十几年相思加两斤黄酒，才把这句喜欢说出口。",
"无人与我立黄昏，无人问我粥可温",
"与这个世界交手多年，你是否光彩依旧 兴致盎然？",
" 瀑布的水逆流而上 \n" +
"蒲公英种子从远处飘回，聚成伞的模样， \n" +
"太阳从西边升起，\n" +
"落向东方。 ",
"那时我们有梦，\n" +
"关于文学， \n" +
"关于爱情， \n" +
"关于穿越世界的旅行。\n" +
"如今我们深夜饮酒， \n" +
"杯子碰到一起， \n" +
"都是梦破碎的声音。\n" +
"\n" +
"——北岛《波兰来客》 ",
"很怀念我们刚认识那会儿，大家都有些拘谨和真诚。 ",
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
initviews();
mRecycleview.setAdapter(new SimpleAdapter(this, mDatas, imgs));
//设置recycleview的布局管理
LinearLayoutManager linearLayoutManager=new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false);
mRecycleview.setLayoutManager(linearLayoutManager);
mRecycleview.setItemAnimator(new DefaultItemAnimator());
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
}
private void initviews() {
mRecycleview= (RecyclerView) findViewById(R.id.recyclerview);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id)
{
case R.id.action_settings:
break;
case R.id.listview:
mRecycleview.setLayoutManager(new LinearLayoutManager(this));
break;
case R.id.gridview:
//列数
mRecycleview.setLayoutManager(new GridLayoutManager(this,2));
break;
case R.id.stagger:
//列数，垂直方向
mRecycleview.setLayoutManager(new StaggeredGridLayoutManager(2, OrientationHelper.VERTICAL));
break;
default:break;
}
return super.onOptionsItemSelected(item);
}
}Adapter
/**
* Created by zzb on 2016/3/30.
*/
public class SimpleAdapter extends RecyclerView.Adapter<MyViewHolder> {
private LayoutInflater mInflater;
private Context mContext;
private String[] mDatas;
private int[] imgs;
public SimpleAdapter(Context context, String[] datas,int[] pic) {
this.mContext = context;
this.mDatas = datas;
this.imgs=pic;
mInflater = LayoutInflater.from(context);
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = mInflater.inflate(R.layout.item_textview, parent, false);
MyViewHolder viewHolder = new MyViewHolder(view);
return viewHolder;
}
/**
*
* @param holder
* 专门用来绑定ViewHolder里的控件和数据源中position位置的数据。
*/
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
holder.mImageView.setImageResource(imgs[position]);
holder.tv.setText(mDatas[position]);
}
@Override
public int getItemCount() {
return mDatas==null ? 0 : mDatas.length;
}
}
class MyViewHolder extends RecyclerView.ViewHolder {
TextView tv;
CardView cd;
ImageView mImageView;
public MyViewHolder(View itemView) {
super(itemView);
tv = (TextView) itemView.findViewById(R.id.tv_text);
cd = (CardView) itemView.findViewById(R.id.cv_item);
mImageView= (ImageView) itemView.findViewById(R.id.iv_pic);
}
}Item_view.xml
如果遇到CardView 提示没有，那就手动添加，类似RecycleView的
compile 'com.android.support:cardview-v7:23.2.1'
<android.support.v7.widget.CardView
xmlns:card_view="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:layout_margin="8dp"
android:id="@+id/cv_item"
android:foreground="?android:attr/selectableItemBackground"
card_view:cardCornerRadius="4dp"
card_view:cardBackgroundColor="#795548"
card_view:cardElevation="4dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
>
<ImageView
android:id="@+id/iv_pic"
android:layout_width="match_parent"
android:layout_height="200dp"
android:layout_weight="1"
/>
<TextView
android:id="@+id/tv_text"
android:padding="20dp"
android:textColor="#ffffff"
android:textAlignment="center"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
LinearLayout>
android.support.v7.widget.CardView>
RecycleView.xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.it.zzb.recycledemo.MainActivity"
tools:showIn="@layout/activity_main">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="match_parent"
android:layout_height="match_parent"
>android.support.v7.widget.RecyclerView>
RelativeLayout>
menu.xml:
参考资料
接下来可以参考这个实现添加、删除
Android RecyclerView 使用完全解析 体验艺术般的控件