Copy Code code as follows:
Program Download Upgrade Zhouxiang
@JavascriptInterface
public void UPDATECAECP (final String path) {
try{
Alertdialog.builder Builder = new Builder (context) obj;
Builder.setmessage ("Detected a new release, whether to download upgrades?");
Builder.settitle ("program update Prompt");
Builder.setpositivebutton ("Upgrade", new Onclicklistener () {
@Override
public void OnClick (dialoginterface arg0, int arg1) {
TODO auto-generated Method Stub
M_pdialog = new ProgressDialog (context) obj;
M_pdialog.setprogressstyle (progressdialog.style_horizontal);
M_pdialog.settitle ("program Upgrades");
M_pdialog.setmessage ("Downloading the latest version of CAECP, please wait ...");
M_pdialog.seticon (R.drawable.ic_launcher);
M_pdialog.setprogress (100);
M_pdialog.setindeterminate (FALSE);
Set whether ProgressDialog can be canceled by pressing the return key
M_pdialog.setcancelable (TRUE);
M_pdialog.show ();
New Caecp_downloadfile (M_pdialog, (context) obj). Execute (path);
}
});
Builder.setnegativebutton ("Cancel", new Onclicklistener () {
@Override
public void OnClick (Dialoginterface dialog, int which) {
TODO auto-generated Method Stub
Dialog.dismiss ();
}
});
Builder.create (). Show ();
}catch (Exception e) {
Alert ("Upgrade Prompt", E.getmessage (), "confirm");
}
}
Copy Code code as follows:
Zhouxiang file download percentage and automatic installation
public class Caecp_downloadfile extends asynctask{
ProgressDialog M_pdialog=null;
String path= "/sdcard/caecp/caecp.apk";
static String chattemp = "/SDCARD/CAECP/CHAT.CAECP";
static String usertemp = "/SDCARD/CAECP/USER.CAECP";
Context obj;
Caecp_downloadfile (ProgressDialog m_pdialog2,context obj2) {
M_PDIALOG=M_PDIALOG2;
Obj=obj2;
}
@Override
Protected string Doinbackground (String ... surl) {
try {
URL url = new URL (surl[0]);
URLConnection connection = Url.openconnection ();
Connection.connect ();
int filelength = Connection.getcontentlength ();
InputStream input = new Bufferedinputstream (Url.openstream ());
OutputStream output = new FileOutputStream (path);
byte data[] = new byte[1024];
Long total = 0;
int count;
while ((count = input.read (data))!=-1) {
Total = count;
M_pdialog.setprogress ((int) (total * 100/filelength));
Output.write (data, 0, count);
}
Output.flush ();
Output.close ();
Input.close ();
DOWNCAECP_OK ();
catch (Exception e) {
}
return null;
}
Download CAECP file complete, start new thread, call system to install
public void Downcaecp_ok () {
New Thread () {
public void Run () {
Intent i = new Intent (Intent.action_view);
I.setflags (Intent.flag_activity_new_task);
I.setdataandtype (Uri.parse ("file://" + Path), "application/vnd.android.package-archive");
Obj.startactivity (i);
}
}.start ();
}
