嘿,我每个人都在android中创建重命名应用程序,我将在设置错误消息中设置一个编辑文本框,使用不带吐司的警告对话框
示例代码:
AlertDialog.Builder alert = new AlertDialog.Builder(getActivity());
alert.setTitle(R.string.rename_title);
folderManager = new FolderManager(getActivity());
folderManager.open();
Cursor c = folderManager.queryAll(itemPos);
if (c.moveToFirst()) {
do {
Newnamefolder = c.getString(1);
} while (c.moveToNext());
}
// Set an EditText view to get user input
final EditText input = new EditText(getActivity());
input.setText(Newnamefolder);
alert.setView(input);
alert.setPositiveButton(R.string.rename_position_button, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton)
{
Newnamefolder = input.getText().toString();
String Mesage_one = getResources().getString(R.string.folder_already_exit);
String Mesage_two = getResources().getString(R.string.types_minimum_eight_charcter);
String Mesage_three = getResources().getString(R.string.folder_empty);
String Matchnamerename = folderManager.getmatchfoldername(Newnamefolder);
if(Newnamefolder.equals(Matchnamerename))
{
input.setError(Mesage_one);
}
else if(Newnamefolder.length()>12)
{
input.setError(Mesage_two);
}
else if(Newnamefolder.equals(""))
{
input.setError(Mesage_three);
}
else
{
int newfolder = folderManager.update(itemPos,Newnamefolder);
reload();
}
}
});
alert.show();
但问题一次点击“确定”按钮不显示错误消息以退出“警报”对话框...
给我任何解决方案......朋友?
答案 0 :(得分:1)
您可以扩展Dialog
并创建自己的对话框
public class CustomDialog extends Dialog implements View.OnClickListener {
private boolean success = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.custom_dialog);
Button positive = (Button) findViewById(R.id.button_positive);
Button negative = (Button) findViewById(R.id.button_negative);
EditText field = (EditText) findViewById(R.id.field);
positive.setOnClickListener(this);
negative.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch(v.getId()) {
case R.id.button_positive:
onPositiveButtonClicked();
break;
case R.id.button_negative:
//onNegativeButtonClicked();
break;
}
}
private void onPositiveButtonClicked() {
if(verifyForm()) {
success = true;
dismiss();
}
}
public boolean isSuccess() {
return success;
}
private boolean verifyForm() {
boolean valid = true;
/* verify each field and setError() if not valid */
if(!TextUtils.isEmpty(field.getText())) { //or any other condition
valid = false;
field.setError("error message");
}
return valid;
}
}
您可以显示CustomDialog
这样的
final CustomDialog customDialog = new CustomDialog();
dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
if(customDialog.isSuccess()) {
//update your folder manager
}
}
}
customDialog.show();