我在这里查看了关于stackoverflow的大多数帖子,但是我无法正常工作。我希望禁用正按钮(寄存器),除非所有字段都填写完毕。
我该如何实现?
public static class UsernameDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
LayoutInflater inflater = getActivity().getLayoutInflater();
builder.setView(inflater.inflate(R.layout.ipcamaccount, null))
.setPositiveButton(R.string.action_register, new DialogInterface.OnClickListener() {
@Override
public void onClick(final DialogInterface dialog, int id) {
//some other code
}
}
});
builder.setView(inflater.inflate(R.layout.ipcamaccount, null))
.setNegativeButton(R.string.action_cancel, null);
return builder.create();
}
}
最佳答案
我使用了另一种方法来完成此任务。希望它可以避免麻烦。我在RecyclerView适配器中使用它,因此您必须设置上下文。我不知道这是否是最优雅的方法,但是效果很好。
这是代码:
private void myDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(mContext);
dialogBuilder.setView(R.layout.ipcamaccount);
dialogBuilder.setPositiveButton(R.string.action_register, null);
dialogBuilder.setNegativeButton(R.string.action_cancel, null);
final AlertDialog alertDialog = dialogBuilder.create();
alertDialog.show();
Button positiveButton = alertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
positiveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onPositiveButtonClicked(alertDialog);
}
});
Button negativeButton = alertDialog.getButton(DialogInterface.BUTTON_NEGATIVE);
negativeButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onNegativeButtonClicked(alertDialog);
}
});
}
private void onPositiveButtonClicked(AlertDialog alertDialog) {
if(some condition) {
alertDialog.dismiss();
Toast.makeText(mContext, "Some toast", Toast.LENGTH_LONG).show();
}else {
Toast.makeText(mContext, "Some other toast", Toast.LENGTH_LONG).show();
}
}
private void onNegativeButtonClicked(AlertDialog alertDialog) {
alertDialog.dismiss();
}