Hello everyone today Android example code will introduce you a very nice How to add a hint to Spinner in Android, to accomplish that problem, please follow.
Step 1. create a layout with activity_layout.xml<RelativeLayoutStep 2. custom layout item spinner in android with layout item_spinner.xml
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/rl"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
tools:context=".MainActivity"
android:background="#9C1AB1"
>
<Spinner
android:id="@+id/spinner"
android:layout_width="wrap_content"
android:padding="20dp"
android:layout_centerInParent="true"
android:layout_height="wrap_content"
/>
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>Sep 3. create class MainActivity .class
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:textStyle="italic"
android:fontFamily="sans-serif-medium"
/>
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Spinner spinner = (Spinner) findViewById(R.id.spinner);
// Initializing a String Array
String[] plants = new String[]{
"Select an item...",
"California sycamore",
"Mountain mahogany",
"Butterfly weed",
"Carrot weed"
};
final List<String> plantsList = new ArrayList<>(Arrays.asList(plants));
final ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
this,R.layout.spinner_item,plantsList){
@Override
public boolean isEnabled(int position){
if(position == 0)
{
return false;
}
else
{
return true;
}
}
@Override
public View getDropDownView(int position, View convertView,
ViewGroup parent) {
View view = super.getDropDownView(position, convertView, parent);
TextView tv = (TextView) view;
if(position == 0){
// Set the hint text color gray
tv.setTextColor(Color.GRAY);
}
else {
tv.setTextColor(Color.BLACK);
}
return view;
}
};
spinnerArrayAdapter.setDropDownViewResource(R.layout.spinner_item);
spinner.setAdapter(spinnerArrayAdapter);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
String selectedItemText = (String) parent.getItemAtPosition(position);
if(position > 0){
// Notify the selected item text
Toast.makeText
(getApplicationContext(), "Selected : " + selectedItemText, Toast.LENGTH_SHORT)
.show();
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
}
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