To save (export as...) animated GIF, make sure the "As animation" is checked.

This video show how to resize and export GIF as animation:


To change background color of animated gif:

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Modify from old post "Custom ArrayAdapter for Spinner, with custom icons", change to make the custom Spinner with selected text color.

Add a custom spinner in layout, layout/activity_main.xml.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
 
 android_layout_width="match_parent"
 android_layout_height="match_parent"
 android_padding="16dp"
 android_orientation="vertical"
 tools_context="com.blogspot.android_er.androidcustomspinner.MainActivity">

 <TextView
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_layout_gravity="center_horizontal"
 android_autoLink="web"
 android_text="http://android-er.blogspot.com/"
 android_textStyle="bold" />
 <Spinner
 android_id="@+id/spinner"
 android_layout_width="match_parent"
 android_layout_height="wrap_content" />
</LinearLayout>

layout/row.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
 android_layout_width="fill_parent"
 android_layout_height="wrap_content"
 android_orientation="horizontal">

 <ImageView
 android_id="@+id/icon"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_src="@mipmap/ic_launcher" />

 <TextView
 android_id="@+id/weekofday"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_textSize="20dp"
 android_textStyle="bold"
 android_textColor="#0000F0"/>
</LinearLayout>

MainActivity.java

package com.blogspot.android_er.androidcustomspinner;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

 String[] DayOfWeek = {"Sunday", "Monday", "Tuesday",
 "Wednesday", "Thursday", "Friday", "Saturday"};

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 Spinner mySpinner = (Spinner)findViewById(R.id.spinner);
 mySpinner.setAdapter(new MyCustomAdapter(MainActivity.this, R.layout.row, DayOfWeek));
 }

 public class MyCustomAdapter extends ArrayAdapter<String> {

 public MyCustomAdapter(Context context, int textViewResourceId,
 String[] objects) {
 super(context, textViewResourceId, objects);
 }

 @Override
 public View getDropDownView(int position, View convertView,
 ViewGroup parent) {
 return getCustomView(position, convertView, parent);
 }

 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
 return getCustomView(position, convertView, parent);
 }

 public View getCustomView(int position, View convertView, ViewGroup parent) {
 LayoutInflater inflater=getLayoutInflater();
 View row=inflater.inflate(R.layout.row, parent, false);
 TextView label=(TextView)row.findViewById(R.id.weekofday);
 label.setText(DayOfWeek[position]);

 if(position == 0){
 label.setTextColor(0xFFF00000);
 }

 return row;
 }
 }
}

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