URL url = new URL(arg0[1]);
HttpURLConnection c = (HttpURLConnection) url.openConnection();
c.setRequestMethod("GET");
c.setDoOutput(true);
c.connect();
String PATH = "/mnt/sdcard/Android/";
File file = new File(PATH);
file.mkdirs();
File outputFile = new File(file, "myGame.apk");
if(outputFile.exists()){
outputFile.delete();
}
FileOutputStream fos = new FileOutputStream(outputFile);
InputStream is = c.getInputStream();
byte[] buffer = new byte[1024];
int len1 = 0;
while ((len1 = is.read(buffer)) != -1) {
fos.write(buffer, 0, len1);
}
fos.close();
is.close();
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File("mnt/sdcard/Android/myGame.apk")), "application/vnd.android.package-archive");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
我想实现应用程序的自动更新功能,它将下载apk文件并安装。然而,当我通过Java下载时遇到了异常:java.io.FileNotFoundException http://192.168.2.143/myGame.apk
,其中url [0] =“http://192.168.2.143/myGame.apk”,我使用设备中的浏览器打开http://192.168.2.143/myGame.apk
,apk可以下载并在sdcard / Download /文件夹内。我的清单中有INTERNET权限。有什么想法吗?
c.setDoOutput(true)
可以解决问题。谢谢。 - AkariKamigishi