volley

Posted 2020-12-24 znsongshu

官方网站  https://www.androidhive.info/2014/05/android-working-with-volley-library-1/

 

/*
     * 使用Volley提交get请求
     */
    /*
     1. 创建请求队列对象(一次)
     2. 创建请求对象StringRequest
     3. 将请求添加到队列中
     */
    public void testVolleyGet(View v) {
        
        final ProgressDialog dialog = ProgressDialog.show(this, null, "正在请求中...");
        
        //创建请求对象StringRequest
        String path = et_network_url.getText().toString()+"?name=Tom5&age=15";
        StringRequest request = new StringRequest(path, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {//在主线程执行
                et_network_result.setText(response);
                dialog.dismiss();
            }
        }, null);
        //将请求添加到队列中
        queue.add(request);
    }

    /*
     * 使用Volley提交post请求
     */
    public void testVolleyPost(View v) {
        final ProgressDialog dialog = ProgressDialog.show(this, null, "正在请求中...");
        
        //创建请求对象StringRequest
        String path = et_network_url.getText().toString();
        StringRequest request = new StringRequest(Method.POST, path, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                et_network_result.setText(response);
                dialog.dismiss();
            }
        }, null){
            //重写此方法返回参数的map作为请求体
            @Override
            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> map = new HashMap<String, String>();
                map.put("name", "Tom6");
                map.put("age", "16");
                return map;
            }
        };
        //将请求添加到队列中
        queue.add(request);
    }