public void initListener()
{
get.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//创建一个请求队列
RequestQueue requestQueue=Volley.newRequestQueue(MainActivity.this);
//创建一个请求
String url="http://gank.io/api/xiandu/category/wow";
StringRequest stringRequest=new StringRequest(url, new Response.Listener<String>() {
//正确接受数据之后的回调
@Override
public void onResponse(String response) {
tv_volley_result.setText(response);
}
}, new Response.ErrorListener() {//发生异常之后的监听回调
@Override
public void onErrorResponse(VolleyError error) {
tv_volley_result.setText("加载错误"+error);
}
});
//将创建的请求添加到请求队列当中
requestQueue.add(stringRequest);
}
});
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.NetworkImageView;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
public class MainActivity extends AppCompatActivity {
private Button get;
private Button post;
private Button json;
private Button imagerequest;
private Button imageload;
private Button netWorkImageView;
private ImageView iv;
private NetworkImageView network;
private TextView tv_volley_result;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initview();
initListener();
}
public void initview()//把需要初始化的控件的逻辑都写在这里是一个很好的编程范式
{
get=findViewById(R.id.get);
post=findViewById(R.id.post);
json=findViewById(R.id.json);
imagerequest=findViewById(R.id.ImageRquest);
imageload=findViewById(R.id.ImageLoader);
netWorkImageView=findViewById(R.id.NetWorkImageView);
iv=findViewById(R.id.iv_volley);
network=findViewById(R.id.NetWork);
tv_volley_result=findViewById(R.id.tv_volley_result);
}
public void initListener()
{
get.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//创建一个请求队列
RequestQueue requestQueue=Volley.newRequestQueue(MainActivity.this);
//创建一个请求
String url="http://gank.io/api/xiandu/category/wow";
StringRequest stringRequest=new StringRequest(url, new Response.Listener<String>() {
//正确接受数据之后的回调
@Override
public void onResponse(String response) {
tv_volley_result.setText(response);
}
}, new Response.ErrorListener() {//发生异常之后的监听回调
@Override
public void onErrorResponse(VolleyError error) {
tv_volley_result.setText("加载错误"+error);
}
});
//将创建的请求添加到请求队列当中
requestQueue.add(stringRequest);
}
});
post.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
}
});
json.setOnClickListener(new View.OnCl