# MedicalApplicition
湘雅医疗数据 (基于android平台医疗数据采集系统)
[Download APK](https://github.com/sjaiwl/image_folder/blob/master/MedicalApplication.apk)
##项目整体介绍
* 旨在为医生打造医疗数据信息采集平台<br>
* 实现随时随地上传文字,图片,视频,音频等病人记录信息<br>
* 主要功能架构图<br>
<div class='raw'>
<img src='https://github.com/sjaiwl/image_folder/blob/master/MedicalApplication/app.png' height="300px" width="500px" style='border: #f1f1f1 solid 1px'/>
</div>
##项目主体采用fragmentactivity实现fragment切换
* **需要了解fragment工作机制和生命周期<br>**
``` java
mFragments = new Fragment[3];
fragmentManager = getSupportFragmentManager();
mFragments[0] = fragmentManager.findFragmentById(R.id.fragment_main);
mFragments[1] = fragmentManager.findFragmentById(R.id.fragment_file);
mFragments[2] = fragmentManager.findFragmentById(R.id.fragment_mine);
fragmentTransaction = fragmentManager.beginTransaction().hide(mFragments[0]).hide(mFragments[1]).hide(mFragments[2]);
fragmentTransaction.show(mFragments[0]).commit();
```
* **实现效果图<br>**
<div class='row'>
<img src='https://github.com/sjaiwl/image_folder/blob/master/MedicalApplication/mainPage.png' width="250px" style='border: #f1f1f1 solid 1px'/>
<img src='https://github.com/sjaiwl/image_folder/blob/master/MedicalApplication/filePage.png' width="250px" style='border: #f1f1f1 solid 1px'/>
<img src='https://github.com/sjaiwl/image_folder/blob/master/MedicalApplication/minePage.png' width="250px" style='border: #f1f1f1 solid 1px'/>
</div>
###主体中的关键技术
* **首页的listview实现了下拉刷新和点击加载更多功能,在listview中定义刷新和加载的接口,在activity中实现接口。**
``` java
public interface IXListViewListener {
//刷新
public void onRefresh();
//加载更多
public void onLoadMore();
}
```
* **首页获取数据请求,采用Volley框架,获取服务器返回的json数据后,使用fastjson解析。解析是直接使用静态类解析数组数据。**
``` java
private void getData(final int method) { // method=1 重新生成list method=2 增长list
doctor_id = UserInfo.user.getDoctor_id();
String url = Configuration.get_allPatientUrl + "?index="
+ index + "&&doctor_id=" + doctor_id;
RequestQueue mRequestQueue = Volley.newRequestQueue(getActivity());
JsonArrayRequest jar = new JsonArrayRequest(url,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
List<PatientInfo> list = JSON.parseArray(
response.toString(), PatientInfo.class);
if (method == 1) {
patientInfoList.clear();
}
for (int i = 0; i < list.size(); i++) {
patientInfoList.add(list.get(i));
}
if (!patientInfoList.isEmpty()) {
lastActivityId = patientInfoList.get(patientInfoList.size() - 1).getId();
}
if (method == 1) {
stopRefreshLoad();
} else {
stopMoreLoad();
}
mainIndexAdapter.notifyDataSetChanged();
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getActivity(), "病人列表获取失败", Toast.LENGTH_SHORT).show();
stopMoreLoad();
}
});
mRequestQueue.add(jar);
}
```
* **文件页面中,主要使用可下拉刷新的ExpandableListView,重写ExpandableListView实现下拉的监听。**
* **我的页面主要就是一个圆形的图片控件,继承MaskedImage实现CircularLoginImage。**
### 对于多媒体数据实时上传
* **调用系统接口,实现视频,音频,图片的拍摄和录制,同时指定文件的保存路径,以便上传后清除缓存。**
* **上传时将媒体文件转换为file文件,采用AsyncHttpClient发送请求,将数据提交到服务器。**
``` java
// /*
// * 上传文件
// */
@SuppressLint("ShowToast")
public void upload(File file, Integer type) {
RequestParams params = new RequestParams();
try {
params.put("doctor_id", UserInfo.user.getDoctor_id().toString());
params.put("suffer_id", patientInfo.getId().toString());
params.put("resource_type", type.toString());
params.put("resource_size", UsedTools.generateFileSize(file));
params.put("resource_category", category);
params.put("resource_url", file);
} catch (IOException e) {
e.printStackTrace();
}
String url = Configuration.newResourceUrl;
AsyncHttpClient client = new AsyncHttpClient();
client.post(url, params, new JsonHttpResponseHandler() {
@SuppressLint("ShowToast")
@Override
public void onSuccess(JSONObject response) {
try {
successResponse = response.get("success").toString();
} catch (JSONException e) {
e.printStackTrace();
}
if (successResponse.equals("1")) {
Toast.makeText(UploadRecord.this, "上传成功", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(UploadRecord.this, "上传失败", Toast.LENGTH_LONG).show();
}
}
@SuppressLint("ShowToast")
@Override
public void onFailure(int statusCode, Header[] headers,
byte[] responseBody, Throwable error) {
Toast.makeText(UploadRecord.this, "网络访问异常,请重试", Toast.LENGTH_LONG).show();
}
});
}
```
* **上传前还会对多媒体数据进行压缩,以减轻服务器的压力。**
### 其他功能
* 短信验证找回密码
* 登录,注册
* 修改个人信息
* 上传和修改头像
* 在线播放上传的视频和音频
### 引用外部jar文件
* [fastjson.jar](https://github.com/sjaiwl/MedicalApplicition/blob/master/app/libs/fastjson.jar)
* [gson-2.1.jar](https://github.com/sjaiwl/MedicalApplicition/blob/master/app/libs/gson-2.1.jar)
* [volley.jar](https://github.com/sjaiwl/MedicalApplicition/blob/master/app/libs/volley.jar)
* [SMSSDK-1.1.9.jar](https://github.com/sjaiwl/MedicalApplicition/blob/master/app/libs/SMSSDK-1.1.9.jar)
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