MainActivity

public class MainActivity extends AppCompatActivity { private static final String URL = "https://www.baidu.com/"; private RequestQueue mQueue; // volley的请求队列 @BindView(R.id.volley_get) Button btn; TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mQueue = Volley.newRequestQueue(getApplicationContext()); ButterKnife.bind(this); } @OnClick({R.id.volley_get}) public void onClick(View v) { get(); } /** * 创建一个请求，这里我们做一个最简单的通过GET方式请求网页源码的操作。请求成功后打印结果。 */ private void get() { StringRequest request = new StringRequest(Request.Method.GET, URL, new Response.Listener<String>() { @Override public void onResponse(String arg0) { //Toast.makeText(getApplicationContext(), arg0, Toast.LENGTH_LONG).show(); textView = (TextView) findViewById(R.id.text); textView.setText(arg0.toString()); //Log.d("onResponse", arg0); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError arg0) { //Toast.makeText(getApplicationContext(), arg0.toString(), Toast.LENGTH_LONG).show(); textView = (TextView) findViewById(R.id.text); textView.setText(arg0.toString()); } }); mQueue.add(request); } 

}

activity_main.xml

 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" 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" tools:context="com.an.volleytest.MainActivity"> <Button android:id="@+id/volley_get" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="get请求" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" android:id="@+id/text" android:layout_marginTop="25dp" android:layout_below="@+id/volley_get" android:layout_centerHorizontal="true" /> </RelativeLayout> 

捕获.PNG

点击按钮 hello world 替换为请求网址的html文件