我正在使用package com.myWebservices.ws;
import java.*;
import javax.*;
@WebService
public class GetSomeInfo{
//allow IP to consume web service
private static final String IP = "192.168.0.1";
@Resource
WebServiceContext wsContext;
@WebMethod(operationName="getSomeInfo")
public String getSomeInfo(String data) {
MessageContext mc = wsContext.getMessageContext();
HttpServletRequest req = (HttpServletRequest)mc.get(MessageContext.SERVLET_REQUEST);
//control access by IP inside the web service code
if (!(req.getRemoteAddr().equals(IP)))
result = "ACCESS DENIED";
else
String result = bean.executeSomeProcess(data);
return result
}
}
下载并安装新版本的APK（无法使用Google Play）。
从其他问题中我了解到，从android 7开始
需要使用DownloadManager来启动apk，但出现错误
无法找到包含以下内容的配置根目录
下载和接收代码：
FileProvider和filepaths.xml
private void startDownload3(String url) {
final DownloadManager dm = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE | DownloadManager.Request.NETWORK_WIFI);
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setTitle(getString(R.string.downloading_update_title));
String filename = ((int)(Math.random()*100))+getString(R.string.update_file_name_base);
Logger.e("downloading file = "+filename );
request.setVisibleInDownloadsUi(true);
request.setDestinationInExternalPublicDir("/Download", filename);
saveFileName(filename);
final long enqueue = dm.enqueue(request);
BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
openFile();
}
}
};
registerReceiver(receiver,
new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
}
private void openFile() {
File[] files = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).listFiles();
Logger.e("folder Size: "+ files.length);
String fileName = getFileName(this);
File realFile=null;
for (int i = 0; i < files.length; i++)
{ //for testing purposes
if (fileName.equals(files[i].getName()))
realFile=files[i];
Logger.e("file names : "+ files[i].getName());
}
if(realFile!=null) {
Intent install;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { //android 7+
Uri apkUri = FileProvider.getUriForFile(MyFirebaseMessagingService.this, "mmn.policy.Visitors2.fileprovider", realFile);
install = new Intent(Intent.ACTION_INSTALL_PACKAGE);
install.setData(apkUri);
install.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
startActivity(install);
} else { //todo TEST THIS android 6-
Uri apkUri = Uri.fromFile(realFile);
install = new Intent(Intent.ACTION_VIEW);
install.setDataAndType(apkUri, "application/vnd.android.package-archive");
install.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(install);
}}}
和清单
<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<files-path name="Download" path="Download/" />
</paths>
现在我可以在测试中看到文件，但 <provider
android:name=".GenericFileProvider"
android:authorities="com.example.fileprovider"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/filepaths" />
</provider>
失败了，是否有办法让FileProvider指向与FileProvider相同的位置？
编辑：完整日志：
setDestinationInExternalPublicDir感谢进阶！