class MainActivity extends Activity {
RadioGroup rad;
TextView q6;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
q6=(TextView) findViewById(R.id.q6);
rad=(RadioGroup) findViewById(R.id.rg5);
rad.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
int id=rad.getCheckedRadioButtonId();
View radioButton = rad.findViewById(id);
if(radioButton.getId()==R.id.rg5r1)
{
q6.setEnabled(false);
}
else
{
q6.setEnabled(true);
}
}
});
}
In radio group Selecting radio button as yes must enable a textview & selecting radio button as no must disable textview in android
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06-10-2022 - |
Pregunta
In radio group Selecting radio button as YES must enable a textview & selecting radio button as NO must disable textview in android.
can any one explain how can i do this ?
Layout code :
<RadioGroup
android:id="@+id/rg5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/rg5r1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="NO" />
<RadioButton
android:id="@+id/rg5r2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="YES" />
</RadioGroup>
<TextView
android:id="@+id/q6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="If 'Yes' please list allergies"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="@color/wight" />
Solución
Otros consejos
Please update on your Activity like this :
public class MainActivity extends Activity {
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView)findViewById(R.id.q6);
textView.setVisibility(View.GONE);
}
public void onRadioButtonClicked(View view) {
// Is the button now checked?
boolean checked = ((RadioButton) view).isChecked();
// Check which radio button was clicked
switch(view.getId()) {
case R.id.rg5r1:
if (checked)
textView.setVisibility(View.GONE);
break;
case R.id.rg5r2:
if (checked)
textView.setVisibility(View.VISIBLE);
break;
}
}
}
and activity_main.xml like this:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<RadioGroup
android:id="@+id/rg5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/rg5r1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:checked="true"
android:text="NO"
android:onClick="onRadioButtonClicked"/>
<RadioButton
android:id="@+id/rg5r2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="YES"
android:onClick="onRadioButtonClicked" />
</RadioGroup>
<TextView
android:id="@+id/q6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"
android:text="If 'Yes' please list allergies"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#FFFFFF" />
</RelativeLayout>
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