radio-group

问题 I'm trying to make a registration form where all values are saving on the server, but i dont know how to send the radio buttons' value and switch option buttons' value to server. I tried implementing this for the Radio buttons, but when this activity opens, it only shows radio button value that too only once. Kindly tell me the correct way of doing this for both radio button and switch? Registration Activity package com.example.zeba.broccoli; import android.app.ProgressDialog; import android

问题 I am using a TableLayout with TableRows as my main activity. Inside the TableLayout is a Radio Group containing 2 Radio Buttons inside the activity (the Radio Group being inside a table row). I want to be able to align the rightmost radio button to the right edge screen, so the "gap" is between the left radio button and right button (instead of after the right radio button). i.e. So instead of having | (x) (x) gap | I will have |(x) gap (x)| where (x) are the Radio Buttons and | are the edges

问题 I dynamicly add Togglebuttons from an Array into my RadioGroup . The adding works fine and every different List items works fine but when I scroll the checked status is changed back. How can I fix this? Here is my ListAdapter class: public class BezoekverslagDetailsListAdapter extends ArrayAdapter<Vraag>{ public Context context; public List<Vraag> vragen; ViewHolder holder;; public BezoekverslagDetailsListAdapter(Activity context, List<Vraag> vragen){ super(context, R.layout.vraag_item,

问题 How I reset a radio button inside a radio group like the image example below All my radio groups and its radio buttons are created programmatically. I tried to to set OnClickListener to get the radio button value before getting changed but, it didn't help. Edit: I posted the answer below, please check it. 回答1: try this : radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) { if

问题 I have radio many radio group in my application and each group has many radio button i want to know how it is possible to assign one key board short cut or a combination of keyboard short cut for each button for example i want to put number 1 in first group first radio button so if i select the first group and press 1 in keyboard automatically first radio button will be selected. I am doing it now by tab, when i tab i select the focus radio button but it is not good when there are so many

问题 I am trying to write a radio button group using Semantic UI in React. I can get the Radio Group example on the Radio page of the Semantic UI to work. It is written by extending Component . I want to write the same thing defining React components as functions instead of classes and using the state hook. I can't get this to work. I modified the example to look like this. import React, {useState} from 'react' import {Form, Radio} from 'semantic-ui-react' export const RadioExampleRadioGroup = ()

问题 I have a RadioGroup in a popup. When i put setoncheckedchangelistener it causes an error. here's my code. The error says that it is not applicable to the arguments (new Compound Button.OnCheckedChangeListener.. i don't understand can somebody pls help me? private void showPopupSeat(final Activity context) { int popupWidth = 500; int popupHeight = 650; // Inflate the popup_layout.xml LinearLayout viewGroup = (LinearLayout) context.findViewById(R.id.popupseat); LayoutInflater layoutInflater =

问题 When I create a RadioGroup in an XML layout file everything's fine, but when I create it dynamically the RadioButtons don't deselect when another is selected: Here's the code: public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); RadioGroup radioGroup = (RadioGroup) findViewById(R.id.radioGroup1); RadioButton radioButtonView = new RadioButton(this); radioButtonView

问题 I have a RadioButton within a RadioGroup, the problem arises when i set the initial state of the button android:checked = "true" because if I press the RadioButton "F" the RadioButton "M" doesn't uncheck... how can I do? what is wrong? here's the code: <RadioGroup android:id="@+id/registrazione_utente_sesso" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <RadioButton android:layout_width="wrap_content" android:layout_height="wrap

问题 In my App i want to open a dialog window with a radiogroup with some items (each item should be an activity ) the user can choose from. The chosen item/ID should get stored in the sharedpreferences. The ID load every App start and open the chosen item/activity. Can someone tell me how to do that Please ? 回答1: There are many samples but ok, I'll give an example: You can define 2 methods under your activity: private void loadSavedPreferences() { SharedPreferences sharedPreferences =