public class OkHttpUtil {
private final Handler mHandler;
private final OkHttpClient mOkHttpClient;
private static OkHttpUtil sOkHttpUtil;
private OkHttpUtil(){
//拦截器
Interceptor interceptor = new Interceptor();
//如果创建Handler的对象,是在一个普通的类里创建,那么一定要加上Looper.getMainLooper()这个参数
mHandler = new Handler(Looper.getMainLooper());
mOkHttpClient = new OkHttpClient.Builder()
.readTimeout(5000, TimeUnit.MILLISECONDS)
.connectTimeout(5000, TimeUnit.MILLISECONDS)
.writeTimeout(5000, TimeUnit.MILLISECONDS)
.addInterceptor(interceptor)
.build();
}
//单例暴露一个普通的方法,给对方,双重锁模式
public static OkHttpUtil getInstance(){
if (sOkHttpUtil ==null){
synchronized (OkHttpUtil.class){
if (sOkHttpUtil == null){
return sOkHttpUtil =new OkHttpUtil();
}
}
}
return sOkHttpUtil;
}
//接口
public interface OkCallback {
void onFailure(Exception e);
void onResponse(String json);
}
//okhttp与handler
//封装doGEt的网络封装,参数定义两个,一个是URL网址 一个实现接口的对象
public void doGet(String url , final OkCallback mOkCallback){
Request request = new Request.Builder()
.get()
.url(url)
.build();
Call call = mOkHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
if (mOkCallback !=null){
//切换到主线程
mHandler.post(new Runnable() {
@Override
public void run() {
mOkCallback.onFailure(e);
}
});
}
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if(response !=null && response.isSuccessful()){
final String json = response.body().string();
if (mOkCallback !=null){
//切换到主线程
mHandler.post(new Runnable() {
@Override
public void run() {
mOkCallback.onResponse(json);
}
});
}
}
}
});
}
//封装doPost的逻辑代码
public void doPost(String url, Map<String,String> map, final OkCallback mOkCallback){
//创建FormBody对象,把表单添加到FormBody
FormBody.Builder builder = new FormBody.Builder();
//集合对象不为null的情况下
if (map != null){
for(String key: map.keySet()){
builder.add(key,map.get(key));
}
}
FormBody formBody = builder.build();
//创建Request对象
Request request = new Request.Builder()
.post(formBody)
.url(url)
.build();
Call call = mOkHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
if (mOkCallback !=null){
//切换到主线程
mHandler.post(new Runnable() {
@Override
public void run() {
mOkCallback.onFailure(e);
}
});
}
}
@Override
public void onResponse(Call call, Response response) throws IOException {
if(response !=null && response.isSuccessful()){
final String json = response.body().string();
if (mOkCallback !=null){
//切换到主线程
mHandler.post(new Runnable() {
@Override
public void run() {
mOkCallback.onResponse(json);
}
});
}
}
}
});
}
}
OkHttp封装好的工具类
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转载自blog.csdn.net/weixin_42270281/article/details/84317759
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