小编use*_*554的帖子

我有这个活动,我想验证确认密码字段.这是我的代码 - :

nt.setOnClickListener(new OnClickListener() { 

    public void onClick(View v) { 

         if(email.getText().toString().equals("")){
            AlertDialog alertDialog = new AlertDialog.Builder(Registration.this).create();
            alertDialog.setTitle("oops!");
            alertDialog.setMessage("E-mail field is empty");
            alertDialog.setButton("Ok",
            new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                      //dismiss the dialog  
                    }
                });
            alertDialog.show();
        }
        else if(pass.getText().toString().equals("")){

            AlertDialog alertDialog = new AlertDialog.Builder(Registration.this).create();
            alertDialog.setTitle("oops!");
            alertDialog.setMessage("Password  field is empty");
            alertDialog.setButton("Ok",
            new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                      //dismiss the dialog  
                    }
                });

            alertDialog.show();
        }

        else if(conpass.getText().toString()!= pass.getText().toString() ){
            AlertDialog alertDialog = new AlertDialog.Builder(Registration.this).create();
            alertDialog.setTitle("oops!"); …