mainActivity

package com.example.animation_lab;

import android.graphics.drawable.AnimationDrawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.LinearLayout;

public class MainActivity extends AppCompatActivity {
AnimationDrawable Walk;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ImageView imageView = (ImageView) findViewById(R.id.imageView);
        imageView.setBackgroundResource(R.drawable.walk);
        LinearLayout linearLayout = (LinearLayout) findViewById(R.id.linear_layout);

        AnimationDrawable animationDrawable = (AnimationDrawable) linearLayout.getBackground();

        animationDrawable.setEnterFadeDuration(2500);
        animationDrawable.setExitFadeDuration(5000);

        animationDrawable.start();
    }
    public void move(View view){
        ImageView image = (ImageView)findViewById(R.id.imageView);
        Animation animation1 =
                AnimationUtils.loadAnimation(getApplicationContext(), R.anim.moving);
        image.startAnimation(animation1);
    }
    public void fade(View view){
        ImageView image = (ImageView)findViewById(R.id.imageView);
        Animation animation1 =
                AnimationUtils.loadAnimation(getApplicationContext(),
                        R.anim.fade);
        image.startAnimation(animation1);
    }
    public void clockwise(View view){
        ImageView image = (ImageView)findViewById(R.id.imageView);
        Animation animation = AnimationUtils.loadAnimation(getApplicationContext(),
                R.anim.clockwise);
        image.startAnimation(animation);
    }
    public void blink(View view){
        ImageView image = (ImageView)findViewById(R.id.imageView);
        Animation animation1 =
                AnimationUtils.loadAnimation(getApplicationContext(),
                        R.anim.blink);
        image.startAnimation(animation1);
    }

    public void walking(View view){
        Walk.start();
    }
}