activity_main.xml
<RelativeLayout
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="#effbe4"
>
<Spinner
android:id="@+id/spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</RelativeLayout>
spinner_item.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:textAlignment="gravity"
android:gravity="right"
/>
MainActivity.java
package com.cfsuman.me.androidcodesnippets;
import android.os.Bundle;
import android.app.Activity;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Get reference of widgets from XML layout
Spinner spinner = (Spinner) findViewById(R.id.spinner);
// Initializing a String Array
String[] plants = new String[]{
"Black birch",
"Bolean birch",
"Canoe birch",
"Cherry birch",
"European weeping birch"
};
// Initializing an ArrayAdapter
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
this,R.layout.spinner_item,plants
);
spinnerArrayAdapter.setDropDownViewResource(R.layout.spinner_item);
spinner.setAdapter(spinnerArrayAdapter);
}
}


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