android – AlertDialog没有显示两个按钮

概述AlertDialog没有显示发送按钮.下面是代码.请告诉我我的代码中犯了什么错误. protected Dialog onCreateDialog(int id) { final AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setMessage("Enter Holla message"); AlertDialog没有显示发送按钮.下面是代码.请告诉我我的代码中犯了什么错误.

protected Dialog onCreateDialog(int ID) {    final AlertDialog.Builder dialog = new AlertDialog.Builder(this);    dialog.setMessage("Enter Holla message");    EditText hollaMessage = new EditText(this);    dialog.setVIEw(hollaMessage);    dialog.setCancelable(false);    dialog.setPositivebutton("Send",new DialogInterface.OnClickListener() {       public voID onClick(DialogInterface dialog,int ID) {          List result = new ArrayList();       }    });    dialog.setPositivebutton("Cancel",new DialogInterface.OnClickListener() {        public voID onClick(DialogInterface dialog,int which) {            dismissDialog(0);        }    });    AlertDialog alert = dialog.create();    return alert;}

解决方法 你设置了两次正面按钮..使它setNagativebutton(“取消”…..

protected Dialog onCreateDialog(int ID){    final AlertDialog.Builder dialog = new AlertDialog.Builder(this);    dialog.setMessage("Enter Holla message");    EditText hollaMessage = new EditText(this);    dialog.setVIEw(hollaMessage);    dialog.setCancelable(false);    dialog.setPositivebutton("Send",int ID) {            List result = new ArrayList();        }    });    dialog.setNegativebutton("Cancel",int which) {            dismissDialog(0);        }    });    AlertDialog alert = dialog.create();    return alert;}

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