use ImageSwitcher instead of ImageView which support animations by it self. see this sample:

http://www.java2s.com/Code/Android/UI/UsingImageSwitcher.htm

you can add animation like this:

imageSwitcher.setInAnimation(fadeInAnimation);
imageSwitcher.setOutAnimation(fadeOutAnimation);

// my test:

  public class IntroActivity extends Activity implements ViewFactory {

        private static final String TAG = "IntroActivity";

        private final int[] images = { R.drawable.img3, R.drawable.img2,
            R.drawable.img1, R.drawable.img4, R.drawable.img5, R.drawable.img6,
            R.drawable.img7, R.drawable.img8 };
    private int index = 0;
    private final int interval = 10000;
    private boolean isRunning = true;

    @Override
    public void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        setContentView(R.layout.activity_intro);

        startAnimatedBackground();  

    }

    private void startAnimatedBackground() {
        Animation aniIn = AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in);
        aniIn.setDuration(3000);
        Animation aniOut = AnimationUtils.loadAnimation(this,
                android.R.anim.fade_out);
        aniOut.setDuration(3000);

        final ImageSwitcher imageSwitcher = (ImageSwitcher) findViewById(R.id.imageSwitcher1);
        imageSwitcher.setInAnimation(aniIn);
        imageSwitcher.setOutAnimation(aniOut);
        imageSwitcher.setFactory(this);
        imageSwitcher.setImageResource(images[index]);

        final Handler handler = new Handler();
        Runnable runnable = new Runnable() {

            @Override
            public void run() {
                if (isRunning) {
                    index++;
                    index = index % images.length;
                    Log.d("Intro Screen", "Change Image " + index);
                    imageSwitcher.setImageResource(images[index]);
                    handler.postDelayed(this, interval);
                }
            }
        };
        handler.postDelayed(runnable, interval);

    }

    @Override
    public View makeView() {
        ImageView imageView = new ImageView(this);
        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        imageView.setLayoutParams(new ImageSwitcher.LayoutParams(
                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
        return imageView;
    }

    @Override
    public void finish() {
        isRunning = false;
        super.finish();
    }
}

to start next activity, in @Override public void run() { if (isRunning) {

just check for the index, if the index equals to 1 then start the next activity and finish the current;

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here is quick sample of one gallery activity if that is what you need anyway.

   public class ImageGalleryExample extends Activity implements
            AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            requestWindowFeature(Window.FEATURE_NO_TITLE);

            setContentView(R.layout.main);

            mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
            mSwitcher.setFactory(this);
            mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
                    android.R.anim.fade_in));
            mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
                    android.R.anim.fade_out));

            Gallery g = (Gallery) findViewById(R.id.gallery);
            g.setAdapter(new ImageAdapter(this));
            g.setOnItemSelectedListener(this);
        }

        public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
            mSwitcher.setImageResource(mImageIds[position]);
        }

        public void onNothingSelected(AdapterView<?> parent) {
        }

        public View makeView() {
            ImageView i = new ImageView(this);
            i.setBackgroundColor(0xFF000000);
            i.setScaleType(ImageView.ScaleType.FIT_CENTER);
            i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.MATCH_PARENT));
            return i;
        }

        private ImageSwitcher mSwitcher;

        public class ImageAdapter extends BaseAdapter {
            public ImageAdapter(Context c) {
                mContext = c;
            }

            public int getCount() {
                return mThumbIds.length;
            }

            public Object getItem(int position) {
                return position;
            }

            public long getItemId(int position) {
                return position;
            }

            public View getView(int position, View convertView, ViewGroup parent) {
                ImageView i = new ImageView(mContext);

                i.setImageResource(mThumbIds[position]);
                i.setAdjustViewBounds(true);
                i.setLayoutParams(new Gallery.LayoutParams(
                        LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
                i.setBackgroundResource(R.drawable.picture_frame);
                return i;
            }

            private Context mContext;

        }

        private Integer[] mThumbIds = {
                R.drawable.sample_thumb_0, R.drawable.sample_thumb_1,
                R.drawable.sample_thumb_2, R.drawable.sample_thumb_3};

        private Integer[] mImageIds = {
                R.drawable.sample_0, R.drawable.sample_1, R.drawable.sample_2,
                R.drawable.sample_3};

    }

but if you just want to set src to image view then use simple:

myImgView.setImageResource(R.drawable.sample_1);

btw, android itslef is choosing betwen drawable-?dpi folders

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Firstly, don't use an AsyncTask if you're not actually doing any background work (sleeping doesn't count as work!). Use a Handler attached to the UI thread and postDelayed() to it.

WORKING EXAMPLE OF FADING VIEWS IN AND OUT

Firstly, your layout main.xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<ImageSwitcher  
    android:id="@+id/imageSwitcher"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    />

<Button android:id="@+id/prev"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_centerVertical="true"
    android:text="Previous"
    />

<Button android:id="@+id/next"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_centerVertical="true"
    android:text="Next"
    />

</RelativeLayout>

Yes I'm using buttons rather than imageviews, just to keep the example simple.

Now the fade in and fade out animations:

fade_in.xml:

fade_out.xml:

<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
       android:interpolator="@android:anim/accelerate_interpolator"
       android:fromAlpha="1.0" 
       android:toAlpha="0.0" 
       android:duration="500" 
       android:fillAfter="true"/>

Finally, some actual code for your main activity:

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.ImageSwitcher;
import android.widget.ImageView;
import android.widget.ViewSwitcher.ViewFactory;

public class MainActivity extends Activity implements ViewFactory, OnTouchListener {

    ImageSwitcher imageSwitcher;
    View prev,next;
    Handler handler = new Handler();

    static final int[] images = {
        R.drawable.pic1,
        R.drawable.pic2,
        R.drawable.pic3
    };
    int currentImageIndex = 0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        imageSwitcher = (ImageSwitcher)findViewById(R.id.imageSwitcher);
        imageSwitcher.setFactory(this);
        imageSwitcher.setOnTouchListener(this);
        prev = findViewById(R.id.prev);        
        next = findViewById(R.id.next);        
        setCurrentImage();
        scheduleHideButtons();
    }

    private void setCurrentImage() {
        imageSwitcher.setImageResource(images[currentImageIndex]);
    }

    private void scheduleHideButtons() {
        handler.removeCallbacks(hideButtonsRunnable);
        handler.postDelayed(hideButtonsRunnable, 3000);
    }
    private Runnable hideButtonsRunnable = new Runnable() {
        @Override public void run() {
            fadeButtons(false);
        }       
    };

    private void fadeButtons(final boolean fadeIn) {
        if (fadeIn) {
            scheduleHideButtons();
        }
        Animation anim = AnimationUtils.loadAnimation(this, fadeIn?R.anim.fade_in:R.anim.fade_out);
        prev.startAnimation(anim);
        next.startAnimation(anim);
        anim.setAnimationListener(new AnimationListener() {
        @Override
        public void onAnimationEnd(Animation animation) {
                prev.setVisibility(fadeIn?View.VISIBLE:View.GONE);
                next.setVisibility(fadeIn?View.VISIBLE:View.GONE);
            }
            @Override public void onAnimationRepeat(Animation animation) { }
            @Override public void onAnimationStart(Animation animation) { }             
        });
    }

    @Override
    public View makeView() {
        ImageView imageView = new ImageView(this);
        imageView.setBackgroundColor(0xFF000000);
        imageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
        imageView.setLayoutParams(new ImageSwitcher.LayoutParams(
            ImageSwitcher.LayoutParams.FILL_PARENT,
            ImageSwitcher.LayoutParams.FILL_PARENT));
        return imageView;
    }

    @Override
    public boolean onTouch(View v, MotionEvent event) {
        if (event.getAction()==MotionEvent.ACTION_DOWN) {
            if (prev.getVisibility()==View.GONE) {
                fadeButtons(true);
            }
            else {
                scheduleHideButtons();
            }
        }
        return false;
    }
}

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Well here's a suggestion.

I always find it helps to look to the source, see here for example.

You'll see that image switcher is really just a imageView specific view flipper. Now no methods are going to be exposed for what you want- it's not a terribly complex class.

So you could inherit from it to spin out your own- create a custom view and use that in your xml. I would suggest something like:

public class CustomImageSwitcher extends ImageSwitcher {

private Queue<Runnable> mAfterAnimationQueue = new LinkedList<Runnable>();

private final GradientDrawable blackDrawable; // just incase you want a gradient too...

public CustomImageSwitcher(Context context) {
    super(context);
    blackDrawable = new GradientDrawable(Orientation.BOTTOM_TOP, new int[] {
            getResources().getColor(android.R.color.black),
            getResources().getColor(android.R.color.black) }); 
}

public CustomImageSwitcher(Context context, AttributeSet attrs) {
    super(context, attrs);
    blackDrawable = new GradientDrawable(Orientation.BOTTOM_TOP,
            new int[] { getResources().getColor(android.R.color.black) });
}

public void postAfterAnim(Runnable runnable) {
    mAfterAnimationQueue.add(runnable);
}

protected void onFadeToBlackEnded() {
    while (!mAfterAnimationQueue.isEmpty()) {
        mAfterAnimationQueue.remove().run();
    }
}

private Animation.AnimationListener biDirectionalCustomListener = new AnimationListener() {

    @Override
    public void onAnimationEnd(Animation animation) {
        onFadeToBlackEnded();
        animation.reset();
    }

    @Override
    public void onAnimationRepeat(Animation animation) {
        ; // we only really want the end event!
    }

    @Override
    public void onAnimationStart(Animation animation) {
        ;
    }
};

// THIS ISN'T A COMPLETED EXAMPLE AS THIS WOULD UNSET ANY PREVIOUS ANIMATION
// LISTENERS
@Override
public void setInAnimation(Animation inAnimation) {
    inAnimation.setAnimationListener(biDirectionalCustomListener);
    super.setInAnimation(inAnimation);
}

// THIS ISN'T A COMPLETED EXAMPLE AS THIS WOULD UNSET ANY PREVIOUS ANIMATION
// LISTENERS
@Override
public void setOutAnimation(Animation outAnimation) {
    outAnimation.setAnimationListener(biDirectionalCustomListener);
    super.setOutAnimation(outAnimation);
}

// override the image switcher's methods

@Override
public void setImageResource(final int resid) {
    super.setImageDrawable(blackDrawable);
    postAfterAnim(new Runnable() {
        @Override
        public void run() {
            CustomImageSwitcher.super.setImageResource(resid);
        }
    });
}

// obviously override more if you want.... just change the method name

}

This is a bit of a late night sketch- some problems are that we don't properly proxy the animation coming in (you should or at least make it very clear it will be unset).

But the rough idea is that what you really want is to have an intermediate view in the view flipper that holds a simple black drawable and is an intermediary stage. Hope it is self explanatory.

On another note, in your example you might want to pull out a few of the objects you create per method and have them as fields as you're going to use them everytime- e.g. Handler.

As a final note, I really don't like using view flipper like this. You might find you can do everything with one image view if you override onDraw etc., but that's the start of another question, and not the end of this one.

Best wishes, hope this helps.

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Just create a xml file with a image as background like below.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent"> 

    <ImageSwitcher android:id="@+id/switcher"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
    />

    <Gallery android:id="@+id/gallery"
        android:background="#55000000"
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"

        android:gravity="center_vertical"
        android:spacing="16dp"
    />

</RelativeLayout>

for this Activity:

public class MainActivity extends Activity implements
        AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);

        setContentView(R.layout.activity_main);

        mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
        mSwitcher.setFactory(this);
        mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_in));
        mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
                android.R.anim.fade_out));

        Gallery g = (Gallery) findViewById(R.id.gallery);
        g.setAdapter(new ImageAdapter(this));
        g.setOnItemSelectedListener(this);
    }

    public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
        mSwitcher.setImageResource(mImageIds[position]);
    }

    public void onNothingSelected(AdapterView<?> parent) {
    }

    public View makeView() {
        ImageView i = new ImageView(this);
        i.setBackgroundColor(0xFF000000);
        i.setScaleType(ImageView.ScaleType.FIT_CENTER);
        i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
                LayoutParams.MATCH_PARENT));
        return i;
    }

    private ImageSwitcher mSwitcher;

    public class ImageAdapter extends BaseAdapter {
        public ImageAdapter(Context c) {
            mContext = c;
        }

        public int getCount() {
            return mThumbIds.length;
        }

        public Object getItem(int position) {
            return position;
        }

        public long getItemId(int position) {
            return position;
        }

        public View getView(int position, View convertView, ViewGroup parent) {
            ImageView i = new ImageView(mContext);

            i.setImageResource(mThumbIds[position]);


            if(position==25)
            {

                Intent intent = new Intent(MainActivity.this, NextActivity.class);
                startActivity(intent);
        finish();

            }


            i.setAdjustViewBounds(true);
            i.setLayoutParams(new Gallery.LayoutParams(
            LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            i.setBackgroundResource(R.drawable.a);
            return i;
        }

        private Context mContext;

    }

    private Integer[] mThumbIds = {
            R.drawable.a, R.drawable.b, R.drawable.c,
            R.drawable.d, R.drawable.e, R.drawable.f,
            R.drawable.g, R.drawable.h, R.drawable.i,
            R.drawable.j, R.drawable.k, R.drawable.l,
            R.drawable.m, R.drawable.n, R.drawable.o,
            R.drawable.p, R.drawable.q, R.drawable.r,
            R.drawable.s, R.drawable.t, R.drawable.u,
            R.drawable.v, R.drawable.w, R.drawable.x,
            R.drawable.y, R.drawable.z
            };

    private Integer[] mImageIds = {
            R.drawable.a, R.drawable.b, R.drawable.c,
            R.drawable.d, R.drawable.e, R.drawable.f,
            R.drawable.g, R.drawable.h, R.drawable.i,
            R.drawable.j, R.drawable.k, R.drawable.l,
            R.drawable.m, R.drawable.n, R.drawable.o,
            R.drawable.p, R.drawable.q, R.drawable.r,
            R.drawable.s, R.drawable.t, R.drawable.u,
            R.drawable.v, R.drawable.w, R.drawable.x,
            R.drawable.y, R.drawable.z
            };

}

In this code i intent from MainActivity to NextActivity , like tat do. Add a to z 26 images, or use how mush you need according to that change the position if condition. I used 26 images in this, At position 25 i intent to next activity.This wat you asked ryt ? Accept answer if you got wat you want, update me if any queries .

Don't forgot to add Both activity to mainfest. And main think that you need to specify splash activity first like below.

 <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".splash"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" />




    </application>

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