Android Animate Fade In/Fade Out tutorial and sourcecode

Hello , today i'll show you the easiest way to make animation fade in/ fade out in android
Download Sample SourceCode

Create XML file for fade-in animation, /res/anim/fadein.xml.

  android:interpolator="@android:anim/linear_interpolator">
        android:fromAlpha="0.1"
      android:toAlpha="1.0"
      android:duration="2000"
      />

Create XML file for fade-out animation, /res/anim/fadeout.xml.

  android:interpolator="@android:anim/linear_interpolator">
        android:fromAlpha="1.0"
      android:toAlpha="0.1"
      android:duration="2000"
      />

main activity

package com.exercise.AndroidAnimTranslate;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;

public class AndroidAnimTranslateActivity extends Activity {
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);
    
      Button buttonFadeIn = (Button)findViewById(R.id.fadein);
      Button buttonFadeOut = (Button)findViewById(R.id.fadeout);
      final ImageView image = (ImageView)findViewById(R.id.image);
    
      final Animation animationFadeIn = AnimationUtils.loadAnimation(this, R.anim.fadein);
      buttonFadeIn.setOnClickListener(new Button.OnClickListener(){

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    image.startAnimation(animationFadeIn);
   }});
    
      final Animation animationFadeOut = AnimationUtils.loadAnimation(this, R.anim.fadeout);
      buttonFadeOut.setOnClickListener(new Button.OnClickListener(){

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    image.startAnimation(animationFadeOut);
   }});
  }
}







Download Sample SourceCode