Xutils3網(wǎng)絡(luò)連接

#1在build.gradle中引包

compile'org.xutils:xutils:3.3.36'

#2創(chuàng)建MyApplication初始化xutils

public class MyApplication extends Application {

@Override

public voidonCreate() {

super.onCreate();

x.Ext.init(this);

x.Ext.setDebug(BuildConfig.DEBUG);// 是否輸出debug日志, 開啟debug會(huì)影響性能.

}

#3在AndroiManifast.xml中聲明權(quán)限并引入MyApplication

<uses-permissionandroid:name="android.permission.INTERNET"/>

<uses-permissionandroid:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

<application

android:name=".base.MyApplication"

#4 xml頁面


packagecom.hyad.xinhualianshe.test.dummy;

importandroid.app.ProgressDialog;

importandroid.os.Bundle;

importandroid.support.v7.app.AppCompatActivity;

importandroid.util.Log;

importandroid.view.View;

importandroid.widget.Button;

importandroid.widget.ImageView;

importandroid.widget.TextView;

importcom.hyad.xinhualianshe.R;

importorg.xutils.common.Callback;

importorg.xutils.common.util.DensityUtil;

importorg.xutils.http.HttpMethod;

importorg.xutils.http.RequestParams;

importorg.xutils.image.ImageOptions;

importorg.xutils.view.annotation.ContentView;

importorg.xutils.view.annotation.Event;

importorg.xutils.view.annotation.ViewInject;

importorg.xutils.x;

importjava.io.File;

@ContentView(R.layout.activity_xiazai)

public classhttptestextendsAppCompatActivity {

//? ? private Context context;

@ViewInject(R.id.get)

privateButtonGET;

@ViewInject(R.id.post)

privateButtonPOST;

@ViewInject(R.id.other)

privateButtonOTHER;

@ViewInject(R.id.download)

privateButtonDOWNLOAD;

@ViewInject(R.id.cache)

privateButtonCACHE;

@ViewInject(R.id.httptextView)

privateTextViewTX;

@ViewInject(R.id.httpimageView)

privateImageViewimageView;

ImageOptionsimageOptions;

@Override

protected voidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

//注入view和事件

x.view().inject(this);

//? ? ? ? context=this;

imageOptions=newImageOptions.Builder()

.setSize(DensityUtil.dip2px(120), DensityUtil.dip2px(120))

.setRadius(DensityUtil.dip2px(5))

// 如果ImageView的大小不是定義為wrap_content, 不要crop.

.setCrop(true)

// 加載中或錯(cuò)誤圖片的ScaleType

//.setPlaceholderScaleType(ImageView.ScaleType.MATRIX)

.setImageScaleType(ImageView.ScaleType.CENTER_CROP)

//設(shè)置加載過程中的圖片

.setLoadingDrawableId(R.mipmap.ic_launcher)

//設(shè)置加載失敗后的圖片

.setFailureDrawableId(R.mipmap.ic_launcher)

//設(shè)置使用緩存

.setUseMemCache(true)

//設(shè)置支持gif

.setIgnoreGif(false)

//設(shè)置顯示圓形圖片

//? ? ? .setCircular(false)

.build();

}


//? ? String url ="http://www.baidu.com/";

@Event( R.id.get)

private? voidget(View v){

finalProgressDialog progressDialog =newProgressDialog(this);

progressDialog.setMessage("正在下載");

RequestParams params =newRequestParams(url);

params.addQueryStringParameter("username","11000");

params.addQueryStringParameter("password","888888");

Callback.Cancelable cancelable = x.http().get(params,newCallback.CommonCallback() {

@Override

public voidonSuccess(String result) {

Log.i("get_onSuccess","result"+ result);

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

//請(qǐng)求不管成功還是失敗都會(huì)調(diào)用

progressDialog.cancel();

}

});

cancelable.cancel();

}

@Event(value={R.id.httpimageView})

private voidloadImage(View view){

x.image().bind(imageView,"http://img2.3lian.com/2014/f2/164/d/17.jpg",imageOptions);

}

@Event(R.id.post)

private voidpost(View view){

RequestParams params =newRequestParams(url);

params.addBodyParameter("username","1100");

//根據(jù)當(dāng)前請(qǐng)求方式添加參數(shù)位置

params.addParameter("password","88888");

//? ? ? ? params.addHeader("head","xhs");

x.http().post(params,newCallback.CommonCallback() {

@Override

public voidonSuccess(String result) {

Log.i("get_onSuccess","result"+ result);

TX.setText(result);

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

}

});

}

@Event(R.id.other)

private? voidother(View view){

RequestParams params =newRequestParams(url);

params.addBodyParameter("usrname","34234");

x.http().request(HttpMethod.PUT, params,newCallback.CommonCallback() {

@Override

public voidonSuccess(String result) {

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

}

});

}

@Event(R.id.upload)

private voidupload(View view){

String path ="http://";

RequestParams params =newRequestParams(url);

params.addBodyParameter("file",newFile(path));

x.http().post(params,newCallback.CommonCallback() {

@Override

public voidonSuccess(String result) {

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

}

});

}

@Event(R.id.download)

private? voiddownload(View view){

url="";

RequestParams params =newRequestParams(url);

Callback.Cancelable post = x.http().post(params,newCallback.ProgressCallback() {

@Override

public voidonSuccess(File result) {

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

}

@Override

public voidonWaiting() {

}

@Override

public voidonStarted() {

}

@Override

public voidonLoading(longtotal,longcurrent,booleanisDownloading) {

//文件下載時(shí)回調(diào)的方法

Log.i("xxxxxxxxxxxxx","current<<"+current+"total<<"+total);

}

});

}

@Event(R.id.cache)

private voidcache(View view){

RequestParams params =newRequestParams(url);

params.setCacheMaxAge(1000*60);

Callback.Cancelable cancelable = x.http().get(params,newCallback.CacheCallback() {

@Override

public booleanonCache(String result) {

//false 不相信本地緩存

//相信本地緩存

Log.i("sdadasd","cache<<"+result);

return false;

}

@Override

public voidonSuccess(String result) {

Log.i("get_onSuccess","result"+ result);

}

@Override

public voidonError(Throwable ex,booleanisOnCallback) {

}

@Override

public voidonCancelled(CancelledException cex) {

}

@Override

public voidonFinished() {

//請(qǐng)求不管成功還是失敗都會(huì)調(diào)用

}

});

cancelable.cancel();

}

}

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