AlertDialog（操作选择）与ProgressDialog（等待）弹窗

一：操作选择弹窗

AlertDialog.Builder dialog=new AlertDialog.Builder(主活动.this);

dialog.setTitle("标题内容");

dialog.setMessage("主体内容");

dialog.setCancelable(false); //禁止Back返回

//确定

dialog.setPositiveButton("OK",new DialogInterface.OnClickListener(){
@Override

public void onClick(DialogInterface dialog,int which){
}

});

//取消

dialog.setNegativeButton("Cancel",new DialogInterface.OnClickListener(){

@Override

public void onClick(DialogInterface dialog,int which){
}

});

dialog.show(); //显示弹窗

二：等待弹窗

ProgressDialog progressdialog=new ProgressDialog(FirstActivity.this);progressdialog.setTitle("this is progressdialog");progressdialog.setMessage("Loading");progressdialog.setCancelabl