嗨,我的代码有问题..我的代码是
progressD = ProgressDialog.show(MenuUtama.this, "", "Uploading files to server.....", false);
Thread thread = new Thread(new Runnable(){
public void run(){
//doFileUpload();
try {
// setiap parameter yang akan dikirim melalui http
// harus encode agar
// dapat terbaca dengan baik oleh server
Cursor c = helper.getAll1(almagId);
Cursor cr = helper.getUpImage(almagId);
if(c.moveToFirst()){
//progressD = ProgressDialog.show(context, title, message)
do{
String kdstore = URLEncoder.encode(helper.getKdStore(c).toString(), "utf-8");
String nama = URLEncoder.encode(helper.getNama(c).toString(), "utf-8");
String alamat = URLEncoder.encode(helper.getAlamat(c).toString(), "utf-8");
String kdpos = URLEncoder.encode(helper.getKdPos(c).toString(), "utf-8");
String notelp = URLEncoder.encode(helper.getNotel(c).toString(), "utf-8");
String lng = URLEncoder.encode(helper.getlng(c).toString(), "utf-8");
String lat = URLEncoder.encode(helper.getLat(c).toString(), "utf-8");
String perush = URLEncoder.encode(helper.getPerus(c).toString(), "utf-8");
//String gambar = URLEncoder.encode(helper.getGamb(c).toString(), "utf-8");
//Toast.makeText(this, kdstore, Toast.LENGTH_LONG).show();
//System.out.println(gambar);
url += "?kode_toko=" + kdstore + "&&nama=" + nama + "&&alamat=" + alamat +
"&&kode_pos=" + kdpos + "&&no_telp=" + notelp + "&&longitude=" + lng + "&&latitude=" + lat +
"&&perusahaan=" + perush;
getRequest(url);
url = "http://10.234.165.232/upload_get.php";
}while(c.moveToNext());
}
if(cr.moveToFirst()){
do{
String kdstore = URLEncoder.encode(helper.getKdstore1(cr), "utf-8");
String gambar = URLEncoder.encode(helper.getGam1(cr), "utf-8");
url1 += "?kode_toko1=" + kdstore + "&&gambar1=" + gambar;
getRequest1(url1);
url1 = "http://10.234.165.232/upload_get2.php";
}while(cr.moveToNext());
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
MenuUtama.this.runOnUiThread(new Runnable(){
public void run() {
if(progressD.isShowing())
progressD.dismiss();
}
});
}
});
thread.start();
return(true);
和这样的错误:
FATAL EXCEPTION: Thread-9
java.lang.RuntimeException:
Can't create handler inside thread that has not called Looper.prepare()
at android.os.Handler.<init>(Handler.java:121)
at android.widget.Toast.<init>(Toast.java:68)
at android.widget.Toast.makeText(Toast.java:231)
at com.sat.alfaloc.MenuUtama.getRequest(MenuUtama.java:160)
at com.sat.alfaloc.MenuUtama$1.run(MenuUtama.java:101)
at java.lang.Thread.run(Thread.java:1096)
如果 Activity 将数据保存到服务器,我命令进度条可以运行,但如果不是这样就不起作用..我应该怎么做才能解决这个问题??
最佳答案
可能由于您在其中使用 Activity 上下文的线程而出现错误。
你应该使用 AsyncTask而不是普通线程。
在 AsyncTask 中,有一个方法 onPreExecute()
和 onPostExecute()
在主线程上执行,还有一个方法 doInBackground()
将在后台执行,以便您可以轻松实现长期运行过程。
可以引用this example
关于android - java.lang.RuntimeException : Can't create handler inside thread that has not called Looper. 准备(),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9713618/