<ImageView
android:src="@drawable/logosmall"
android:adjustViewBounds="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageLogo"/>

<com.mydomainhere.customImageView
android:src="@drawable/logosmall"
android:adjustViewBounds="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageLogo"/>

public class customImageView extends ImageView{
    private float mAlpha = 5f;
    private float mDelta = 1f;

    public customImageView(Context context) {
        super(context);
    }

    public customImageView(Context context, AttributeSet attrs) {
        super(context);
        this.setAlpha((int)mAlpha);

    }


    @Override
    public void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        if (mAlpha > 254){
            mDelta = -1f;
        }
        if (mAlpha < 1){
            mDelta = 1f;
        }
        mAlpha = mAlpha + mDelta;
        this.setAlpha((int)mAlpha);

        this.invalidate();
   }

}