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How to Create Gradient Animations Like Instagram using Spark Library in Android?

  • Last Updated : 06 Jun, 2021

In this article, we are going to implement Spark Library. Here we going to show an animation that will change the colors of the activity linearly. This feature can be simply used to show an animation and when a user loads an activity Or can also be used to show animation on the Splash Screen. Let’s see the implementation of this feature. A sample GIF is given below to get an idea about what we are going to do in this article. Note that we are going to implement this project using the Java language. 

Step by Step Implementation

Step 1: Create a New Project

To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. Note that select Java as the programming language.

Step 2: Add dependency



Navigate to the Gradle Scripts > build.gradle(Module:app) and add the below dependency in the dependencies section.   

implementation ‘io.github.tonnyl:spark:0.1.0-alpha’

Step 3: Working with the activity_main.xml file

Navigate to the app > res > layout > activity_main.xml and add the below code to that file. Below is the code for the activity_main.xml file. 

XML




<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/relativel"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
</RelativeLayout>

Step 4: Working with the MainActivity.java file

Go to the MainActivity.java file and refer to the following code. Below is the code for the MainActivity.java file. Comments are added inside the code to understand the code in more detail.

Java




package com.example.drawable;
  
import android.os.Bundle;
import android.widget.RelativeLayout;
  
import androidx.appcompat.app.AppCompatActivity;
  
import io.github.tonnyl.spark.Spark;
  
public class MainActivity extends AppCompatActivity {
  
    Spark spark;
    RelativeLayout layout;
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        layout = findViewById(R.id.relativel);
  
        spark = new Spark.Builder()
                .setView(layout)   // set the layout of main screen
                .setDuration(5000) // set duration
                .setAnimList(Spark.ANIM_BLUE_PURPLE)  // set the color to change
                .build();  // build the layout
    }
  
    @Override
    protected void onResume() {
        super.onResume();
        spark.startAnimation(); // start animation on resume
    }
  
    @Override
    protected void onPause() {
        super.onPause();
        spark.stopAnimation(); // stop animation on pause
    }
}

Output:

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