/
VolleyManager.java
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/
VolleyManager.java
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package com.example.allen.volleymanager.volley;
import android.content.Context;
import android.graphics.Bitmap;
import android.widget.ImageView;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.ImageRequest;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.example.allen.volleymanager.App;
import org.json.JSONObject;
import java.util.Map;
import okhttp3.OkHttpClient;
/**
* Created by Allen Lin on 2016/02/18.
*/
public class VolleyManager {
private static VolleyManager mVolleyManager = null;
private RequestQueue mRequestQueue;
private ImageLoader mImageLoader;
private static class VolleyManagerHolder {
private static final VolleyManager INSTANCE = new VolleyManager(App.getContext());
}
/**
* @param context
*/
private VolleyManager(Context context) {
mRequestQueue = Volley.newRequestQueue(context, new OkHttp3Stack(new OkHttpClient()));
mImageLoader = new ImageLoader(mRequestQueue,
new LruBitmapCache(context));
}
/**
* 单例模式(静态内部类)
*
* @return VolleyManager instance
*/
public static VolleyManager newInstance() {
return VolleyManagerHolder.INSTANCE;
}
private <T> Request<T> add(Request<T> request) {
return mRequestQueue.add(request);//添加请求到队列
}
/**
* @param tag
* @param url
* @param listener
* @param errorListener
* @return
*/
public StringRequest StrRequest(Object tag, String url, Response.Listener<String> listener, Response.ErrorListener errorListener) {
StringRequest request = new StringRequest(url, listener, errorListener);
request.setTag(tag);
add(request);
return request;
}
/**
* @param tag
* @param method
* @param url
* @param listener
* @param errorListener
* @return
*/
public StringRequest StrRequest(Object tag, int method, String url, Response.Listener<String> listener,
Response.ErrorListener errorListener) {
StringRequest request = new StringRequest(method, url, listener, errorListener);
request.setTag(tag);
add(request);
return request;
}
/**
* ImageRequest
*
* @param tag
* @param url
* @param listener
* @param maxWidth
* @param maxHeight
* @param scaleType
* @param decodeConfig
* @param errorListener
* @return
*/
public ImageRequest ImageRequest(Object tag, String url, Response.Listener<Bitmap> listener,
int maxWidth, int maxHeight, ImageView.ScaleType scaleType,
Bitmap.Config decodeConfig, Response.ErrorListener errorListener) {
ImageRequest request = new ImageRequest(url, listener, maxWidth, maxHeight, scaleType,
decodeConfig, errorListener);
request.setTag(tag);
add(request);
return request;
}
/**
* ImageLoader 图片默认大小
*
* @param imageView
* @param imgViewUrl
* @param defaultImageResId
* @param errorImageResId
*/
public void ImageLoaderRequest(ImageView imageView, String imgViewUrl, int defaultImageResId,
int errorImageResId) {
ImageLoader.ImageListener listener = ImageLoader.getImageListener(imageView, defaultImageResId,
errorImageResId);
mImageLoader.get(imgViewUrl, listener);
}
/**
* ImageLoader 指定图片大小
*
* @param imageView
* @param imgViewUrl
* @param defaultImageResId
* @param errorImageResId
* @param maxWidth
* @param maxHeight
*/
public void ImageLoaderRequest(ImageView imageView, String imgViewUrl, int defaultImageResId,
int errorImageResId, int maxWidth, int maxHeight) {
ImageLoader.ImageListener listener = ImageLoader.getImageListener(imageView, defaultImageResId,
errorImageResId);
mImageLoader.get(imgViewUrl, listener, maxWidth, maxHeight);
}
/**
* Get方法
*
* @param tag
* @param url
* @param clazz
* @param listener
* @param errorListener
* @param <T>
* @return
*/
public <T> GsonRequest<T> GsonGetRequest(Object tag, String url, Class<T> clazz, Response.Listener<T> listener,
Response.ErrorListener errorListener) {
GsonRequest<T> request = new GsonRequest<T>(url, clazz, listener, errorListener);
request.setTag(tag);
add(request);
return request;
}
/**
* Post方式1:Map参数
*
* @param tag
* @param params
* @param url
* @param clazz
* @param listener
* @param errorListener
* @param <T>
* @return
*/
public <T> GsonRequest<T> GsonPostRequest(Object tag, Map<String, String> params, String url,
Class<T> clazz, Response.Listener<T> listener,
Response.ErrorListener errorListener) {
GsonRequest<T> request = new GsonRequest<T>(Request.Method.POST, params, url, clazz, listener, errorListener);
request.setTag(tag);
add(request);
return request;
}
/**
* Post方式2:json字符串
*
* @param url
* @param jsonObject
* @param listener
* @param errorListener
*/
public void PostjsonRequest(Object tag, String url, JSONObject jsonObject, Response.Listener<JSONObject> listener,
Response.ErrorListener errorListener) {
JsonObjectRequest jsonObjectRequest;
jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, url, jsonObject,
listener, errorListener);
jsonObjectRequest.setTag(tag);
add(jsonObjectRequest);
}
/**
* 取消请求
*
* @param tag
*/
public void cancel(Object tag) {
mRequestQueue.cancelAll(tag);
}
}