AlertDialog自定义布局视图无法访问android

我有一个方法负责显示

AlertDialog

，它有一个自定义布局，其中包括一个

EditText

，单击“正”按钮我试图获取编辑文本的值，但

EditText.getText（）

始终返回空

代码：

private void showForgetPassDialog() {

        final View view = getLayoutInflater().inflate(R.layout.alert_dialog_forgot_pass, null);

        AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
        builder.setCancelable(false);
        builder.setTitle(getString(R.string.forgot_password));
        builder.setMessage(getString(R.string.reset_pass));
        final EditText emailTxt  = (EditText) view.findViewById(R.id.email_field);
        emailReset = emailTxt.getText().toString();
        String positiveText = getString(R.string.submit);
        builder.setPositiveButton(positiveText,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(LoginActivity.this, "test :"+emailReset, Toast.LENGTH_SHORT).show();
                        if(!emailReset.equals("") && isValidEmail(emailReset)){
                            resetPassword(emailReset);
                        }else{
                            emailTxt.setError(getString(R.string.error_email));
                        }

                    }
                });

        String negativeText = getString(R.string.cancel);
        builder.setNegativeButton(negativeText,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });

        final AlertDialog dialog = builder.create();
        dialog.setOnShowListener(new DialogInterface.OnShowListener() {
            @Override
            public void onShow(DialogInterface dialogInterface) {
                dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setTextColor(ContextCompat.getColor(LoginActivity.this,R.color.colorAccentDark));
                dialog.getButton(AlertDialog.BUTTON_POSITIVE).setTextColor(ContextCompat.getColor(LoginActivity.this,R.color.PrimaryBlue));

            }
        });
        dialog.setView(view);
        // display dialog
        dialog.show();
    }

XML:

您需要移动

emailReset = emailTxt.getText().toString();

到onClick侦听器的内部

builder.setPositiveButton(positiveText,
            new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    //Here!!!!!!!!!
                    emailReset = emailTxt.getText().toString();
                    Toast.makeText(LoginActivity.this, "test :"+emailReset, Toast.LENGTH_SHORT).show();
                    if(!emailReset.equals("") && isValidEmail(emailReset)){
                        resetPassword(emailReset);
                    }else{
                        emailTxt.setError(getString(R.string.error_email));
                    }

                }
            });

---

但我无法将editText错误消息设置为当它进入else语句警报对话框时关闭，而不将错误消息设置为edittext@MehvishFaisal单击该按钮后，警报对话框将自动关闭，并回调onClick listener

builder.setPositiveButton(positiveText,
            new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    //Here!!!!!!!!!
                    emailReset = emailTxt.getText().toString();
                    Toast.makeText(LoginActivity.this, "test :"+emailReset, Toast.LENGTH_SHORT).show();
                    if(!emailReset.equals("") && isValidEmail(emailReset)){
                        resetPassword(emailReset);
                    }else{
                        emailTxt.setError(getString(R.string.error_email));
                    }

                }
            });