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public void stringGetRequest() {
//新建一个字符串网络请求
//第一个参数：url--请求的网址
//第二个参数：响应监听
//第三个参数：错误监听
StringRequest request = new StringRequest("https://www.baidu.com/",
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.d("qfstringRequest",response);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
});
//把请求加入队列
requestQueue.add(request);
}
JsonRequest jsonRequest = new JsonObjectRequest(Request.Method.POST,
"http://a1.greentree.cn:8029/Api/index.php/search/searchHotel",
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d("volleylesson",response.toString());
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
}
){
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String,String> mapParam = new HashMap<String,String>();
// 设置参数
// pagesize 每页多少行
mapParam.put("pagesize", "20");
// pageindex 页码
mapParam.put("pageindex", "2");
return mapParam;
}
};
mRequestQueue.add(jsonRequest);
public void showImgByImageReq(){
ImageRequest imageRequest = new ImageRequest("https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/logo_white_fe6da1ec.png",
new Response.Listener<Bitmap>() {
@Override
public void onResponse(Bitmap response) {
ivImageReq.setImageBitmap(response);
}
}, 500, 500, ImageView.ScaleType.CENTER, Bitmap.Config.ARGB_8888,
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
});
mRequestQueue.add(imageRequest);
}
int iMaxMem = (int) Runtime.getRuntime().maxMemory();
final LruCache<String,Bitmap> lruCache = new LruCache<String,Bitmap>(iMaxMem/8){
@Override
protected int sizeOf(String key, Bitmap value) {
return value.getByteCount();
}
};
ImageLoader imageLoader = new ImageLoader(mRequestQueue, new ImageLoader.ImageCache() {
@Override
public Bitmap getBitmap(String url) {
return lruCache.get(url);
}
@Override
public void putBitmap(String url, Bitmap bitmap) {
lruCache.put(url,bitmap);
}
});
ImageLoader.ImageListener listener = ImageLoader.getImageListener(ivImageReq,
R.mipmap.ic_launcher,
R.mipmap.ic_launcher);
imageLoader.get("https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/logo_white_fe6da1ec.png",
listener
);
}
private void showNetImg() {
ImageLoader imageLoader = new ImageLoader(mRequestQueue, new ImageLoader.ImageCache() {
@Override
public Bitmap getBitmap(String url) {
return null;
}
@Override
public void putBitmap(String url, Bitmap bitmap) {
}
});
mNetworkImageView.setDefaultImageResId(R.mipmap.ic_launcher);
mNetworkImageView.setErrorImageResId(R.mipmap.ic_launcher);
mNetworkImageView.setImageUrl("https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/logo_white_fe6da1ec.png",
imageLoader);
}
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原文地址：http://www.cnblogs.com/aWay01/p/5249193.html
