在公司完善了一些代码

app/src/main/java/com/example/xrecyclerview/MainActivity.java

@@ -4,13 +4,45 @@
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.squareup.okhttp.Callback;
+import com.squareup.okhttp.OkHttpClient;
+import com.squareup.okhttp.Request;
+import com.squareup.okhttp.Response;
+
+import java.io.IOException;
 
 public class MainActivity extends AppCompatActivity {
 
+    Button btn;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        btn = (Button) findViewById(R.id.btn);
+        new OkHttpClient().newCall(new Request.Builder()
+                .url("http://www.baidu.com")
+                .get()
+                .build())
+                .enqueue(new Callback() {
+                    @Override
+                    public void onFailure(Request request, IOException e) {
+
+                    }
+                    @Override
+                    public void onResponse(Response response) throws IOException {
+                        btn.setText("1");
+                        runOnUiThread(new Runnable() {
+                            @Override
+                            public void run() {
+                                Toast.makeText(MainActivity.this, "111", Toast.LENGTH_SHORT).show();
+                            }
+                        });
+                    }
+                });
     }
     public void gotoLinearActivity(View v) {
         Intent intent = new Intent();

app/src/main/java/com/example/xrecyclerview/MyStaggeredAdapter.java

@@ -0,0 +1,76 @@
+package com.example.xrecyclerview;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by jianghejie on 15/11/26.
+ */
+public class MyStaggeredAdapter extends RecyclerView.Adapter<MyStaggeredAdapter.ViewHolder> {
+    private RecyclerView recyclerView;
+    public ArrayList<String> datas = null;
+    public List<Integer> mHeights;
+
+    public MyStaggeredAdapter(RecyclerView recyclerView, ArrayList<String> datas) {
+        this.recyclerView = recyclerView;
+        this.datas = datas;
+        initRandomH();
+    }
+
+    public void addRandomH() {
+        if (mHeights == null) return;
+        if (mHeights.size() == 0) return;
+        for (int i = mHeights.size(); i < datas.size(); i++) {
+            mHeights.add((int) (Math.random() * 500) + 200);
+        }
+    }
+
+    public void initRandomH() {
+        if (mHeights == null)
+            mHeights = new ArrayList<>();
+        if (mHeights.size() > 0)
+            mHeights.clear();
+        for (int i = 0; i < datas.size(); i++) {
+            mHeights.add((int) (Math.random() * 500) + 200);
+        }
+    }
+
+    //创建新View，被LayoutManager所调用
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
+        View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item, viewGroup, false);
+        ViewHolder viewHolder = new ViewHolder(view);
+        return viewHolder;
+    }
+
+    //将数据与界面进行绑定的操作
+    @Override
+    public void onBindViewHolder(ViewHolder viewHolder, int position) {
+        ViewGroup.LayoutParams mLayoutParams = viewHolder.itemView.getLayoutParams();
+        mLayoutParams.height = mHeights.get(position);
+        viewHolder.itemView.setLayoutParams(mLayoutParams);
+        viewHolder.mTextView.setText(datas.get(position));
+    }
+
+    //获取数据的数量
+    @Override
+    public int getItemCount() {
+        return datas.size();
+    }
+
+    //自定义的ViewHolder，持有每个Item的的所有界面元素
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        public TextView mTextView;
+
+        public ViewHolder(View view) {
+            super(view);
+            mTextView = (TextView) view.findViewById(R.id.text);
+        }
+    }
+}

app/src/main/java/com/example/xrecyclerview/StaggeredGridActivity.java

@@ -1,5 +1,6 @@
 package com.example.xrecyclerview;
 
+import android.graphics.Rect;
 import android.os.Bundle;
 import android.os.Handler;
 import android.support.v7.app.AppCompatActivity;
@@ -20,16 +21,19 @@
 
 public class StaggeredGridActivity extends AppCompatActivity {
     private XRecyclerView mRecyclerView;
-    private MyAdapter mAdapter;
+    private MyStaggeredAdapter mAdapter;
     private ArrayList<String> listData;
     private int refreshTime = 0;
     private int times = 0;
+
+    private int GRIDSPAN_COUNT = 3;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_recyclerview);
         mRecyclerView = (XRecyclerView)this.findViewById(R.id.recyclerview);
-        StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager( 3,
+        StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(GRIDSPAN_COUNT,
                 StaggeredGridLayoutManager.VERTICAL);
         layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
         mRecyclerView.setLayoutManager(layoutManager);
@@ -48,11 +52,11 @@ public void onRefresh() {
                 times = 0;
                 new Handler().postDelayed(new Runnable(){
                     public void run() {
-
                         listData.clear();
                         for(int i = 0; i < 25 ;i++){
-                            listData.add("item" + i + "after " + refreshTime + " times of refresh");
+                            listData.add("item " + i + " after " + refreshTime + " times of refresh");
                         }
+                        mAdapter.initRandomH();
                         mAdapter.notifyDataSetChanged();
                         mRecyclerView.refreshComplete();
                     }
@@ -67,36 +71,42 @@ public void onLoadMore() {
                         public void run() {
                             mRecyclerView.loadMoreComplete();
                             for(int i = 0; i < 25 ;i++){
-                                listData.add("item" + i );
+                                listData.add("item " + i);
                             }
-                            mAdapter.notifyDataSetChanged();
+                            mAdapter.addRandomH();
                             mRecyclerView.refreshComplete();
+                            if(times==1) mRecyclerView.loadMoreComplete();
                         }
                     }, 1000);
                 } else {
-                    new Handler().postDelayed(new Runnable() {
-                        public void run() {
-
-                            mAdapter.notifyDataSetChanged();
-                            mRecyclerView.loadMoreComplete();
-                        }
-                    }, 1000);
+//                    new Handler().postDelayed(new Runnable() {
+//                        public void run() {
+//                            mRecyclerView.loadMoreComplete();
+//                        }
+//                    }, 1000);
                 }
                 times ++;
             }
         });
 
-        listData = new  ArrayList<String>();
+        listData = new  ArrayList<>();
         for(int i = 0; i < 25 ;i++){
-            listData.add("item" + i );
+            listData.add("item" + i);
         }
-        mAdapter = new MyAdapter(listData);
+        mAdapter = new MyStaggeredAdapter(mRecyclerView, listData);
 
         mRecyclerView.setAdapter(mAdapter);
         mRecyclerView.setOnItemClickListener(new XRecyclerView.OnItemClickListener() {
             @Override
             public void onItemClick(ViewGroup parent, RecyclerView.ViewHolder viewHolder, View view, int position) {
-                Toast.makeText(getApplicationContext(), "item click " + position, Toast.LENGTH_SHORT).show();
+                int spanIndex = ((StaggeredGridLayoutManager.LayoutParams) viewHolder.itemView.getLayoutParams()).getSpanIndex();
+                Toast.makeText(getApplicationContext(), "root_item " + position + ",spanIndex=" + spanIndex, Toast.LENGTH_SHORT).show();
+            }
+        });
+        mRecyclerView.addItemDecoration(new RecyclerView.ItemDecoration() {
+            @Override
+            public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
+
             }
         });
     }

app/src/main/java/cu/Param.java

@@ -0,0 +1,33 @@
+package cu;
+
+/**
+ * Created by Wang on 2015/12/21.
+ */
+public class Param {
+
+    private String key;
+    private String value;
+
+    public Param() {}
+
+    public Param(String key, String value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String key) {
+        this.key = key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}

app/src/main/res/layout/activity_main.xml

@@ -4,25 +4,27 @@
     android:layout_height="match_parent"
     android:orientation="vertical"
     tools:context=".MainActivity">
+
     <Button
-        android:onClick="gotoLinearActivity"
+        android:id="@+id/btn"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="10dip"
-        android:text="LinearLayoutManager"/>
+        android:onClick="gotoLinearActivity"
+        android:text="LinearLayoutManager" />
+
     <Button
-        android:onClick="gotoGridActivity"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="10dip"
-        android:text="GridLayoutManager"
-        />
+        android:onClick="gotoGridActivity"
+        android:text="GridLayoutManager" />
+
     <Button
-        android:onClick="gotoStaggeredGridActivity"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="10dip"
-        android:text="StaggeredGridLayoutManager"
-        />
+        android:onClick="gotoStaggeredGridActivity"
+        android:text="StaggeredGridLayoutManager" />
 
 </LinearLayout>