Android Spinner

Android Development

Android Spinner :-

⇛ layout > activity_fitst.xml file :

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".First"

android:orientation="vertical"

android:gravity="center"

android:background="@drawable/background_gradient">

<Spinner

android:id="@+id/Idspinner1"

android:layout_width="wrap_content"

android:layout_height="wrap_content">

</Spinner>

<Button

android:id="@+id/Idbutton1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Spinner Print"

android:background="@drawable/button"

android:textColor="#ffff"/>

<TextView

android:id="@+id/Idtextview1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:textColor="#000"

android:textAllCaps="false"

android:textSize="20sp"

android:layout_marginLeft="75dp"

android:textStyle="bold"/>

</LinearLayout>

⇛ layout > activity_second.xml file :

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent">

<TextView

android:id="@+id/Idtextview2"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="#08a317"

android:textAllCaps="false"

android:textSize="20sp"

android:textStyle="bold"/>

</LinearLayout>

⇛ drawable > background_gradient.xml  file:

<?xml version="1.0" encoding="utf-8"?>

<shape xmlns:android="http://schemas.android.com/apk/res/android">

<gradient

android:startColor="#0a9c0f"

android:endColor="#edea06"/>

</shape>

⇛ drawable > button.xml file :

<?xml version="1.0" encoding="utf-8"?>

<shape xmlns:android="http://schemas.android.com/apk/res/android">

<stroke

android:width="20dp"

android:color="#0ca907"/>

<corners android:radius="90dp"/>

<padding

android:left="2dp"

android:right="2dp"

android:top="2dp"

android:bottom="2dp"/>

<solid android:color="#0ca907"/>

</shape>

⇛ java file :

package com.example.dell.spinner;

import android.nfc.TagLostException;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Adapter;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.Spinner;

import android.widget.TextView;

public class First extends AppCompatActivity {

private Button btn1;

private Spinner spinner;

private TextView txt1, txt2;

String[] countryname;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_first);

btn1 = (Button) findViewById(R.id.Idbutton1);

txt1 = (TextView) findViewById(R.id.Idtextview1);

spinner = (Spinner) findViewById(R.id.Idspinner1);

txt2 = (TextView) findViewById(R.id.Idtextview2);

countryname = getResources().getStringArray(R.array.item_name);

ArrayAdapter<String> adapter = new ArrayAdapter<String> (this,R.layout.activity_second,R.id.Idtextview2,countryname);

spinner.setAdapter(adapter);

btn1.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String string = spinner.getSelectedItem().toString();

txt1.setText(string);

}

});

}

}