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本文章使用的是Retrofit rxjava网络工具类 是世面上使用的网络工具类

不多说直接上代码
1.导入依赖 implementation ‘com.github.wildma:PictureSelector:1.1.1’

implementation 'com.github.wildma:PictureSelector:1.1.1'

2.在项目的build.gradle中 找到一下两个地方

repositories { google() jcenter()     maven { url "https://jitpack.io" }//所添加的 } //还有这个 allprojects {     repositories { google() jcenter()         maven { url "https://jitpack.io" }//所需添加的 } }

3.在网络工具类当中

 //xiangji public RequestBody getRequsetBody(List<File> files, HashMap<String,String> map){ //        if (map.size() < 1){ //            return null; //        }         MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM); for (Map.Entry<String,String> entry:map.entrySet()){             Log.i("xxx","key = "+entry.getKey()+"value = "+entry.getValue());             builder.addFormDataPart(entry.getKey(),entry.getValue()+""); } for (int i = 0; i <files.size(); i++){             builder.addFormDataPart("image",files.get(i).getName(),RequestBody.create(MediaType.parse("image/jepg"),files.get(i))); } return builder.build(); }

4.bean类

public class UpLoadHeadPicBean { private String headPath; private String message; private String status; public String getHeadPath() { return headPath; } public void setHeadPath(String headPath) { this.headPath = headPath; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public String getStatus() { return status; } public void setStatus(String status) { this.status = status; } } 

5.在这个接口中

public interface Apis { //这里是你自己要换的地址  @POST("user/v1/verify/uploadHeadPic")  Observable<UpLoadHeadPicBean> getUpLoadHeadPicBean(@Body RequestBody body); }

6.在activity中设置头像点击事件

PictureSelector.create(MyXiangActivity.this, PictureSelector.SELECT_REQUEST_CODE).selectPicture(true, 200, 200, 1, 1);

7.在onActivityResult中回调

@Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode==RESULT_OK&&requestCode==PictureSelector.SELECT_REQUEST_CODE){ if (data != null) {             String stringExtra = data.getStringExtra(PictureSelector.PICTURE_PATH);             File file = new File(stringExtra);             ArrayList<File> files = new ArrayList<>();             files.add(file);             HashMap<String, String> map = new HashMap<>();             RequestBody requsetBody = RetrofitManager.getInstance().getRequsetBody(files, map);                 RetrofitManager.getInstance().getApis().getUpLoadHeadPicBean(requsetBody) .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .subscribe(new Observer<UpLoadHeadPicBean>() {                             @Override                             public void onSubscribe(Disposable d) { }                              @Override                             public void onNext(UpLoadHeadPicBean upLoadHeadPicBean) {                                 Toast.makeText(MyXiangActivity.this, ""+upLoadHeadPicBean.getMessage(), Toast.LENGTH_SHORT).show(); //如果土司上传成功 你还得在这里面做一个ui更新 }                              @Override                             public void onError(Throwable e) { }                              @Override                             public void onComplete() { } }); } } }