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Я этот код, чтобы красть много изображений, что я есть в строке []Slide эффект в onFling андроида
общественного класса SlideShowUserImages расширяет ImageView реализует TargetLoaded {
private String[] urls;
private int curPos = 0;
private int imagesSize = 0;
private GestureDetector gdt;
private TargetImageView nextImageView;
private Dot[] dots;
//CANVAS
private int radius = 10;
private int dotMargin = 5;
private int dotYPos = -1;
private Paint selectedPaint;
private Paint normalPaint;
public SlideShowUserImages(Context context) {
super(context);
init(context, null);
}
public SlideShowUserImages(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public SlideShowUserImages(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public SlideShowUserImages(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs) {
gdt = new GestureDetector(context, new GestureListener());
nextImageView = new TargetImageView(this);
setClickable(true);
this.normalPaint = new Paint();
this.selectedPaint = new Paint();
this.normalPaint.setStyle(Paint.Style.FILL);
this.selectedPaint.setStyle(Paint.Style.FILL);
int dotNormalColor = Color.WHITE;
int dotSelectedColor = Color.GRAY;
TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
R.styleable.SlideShow,
0, 0);
try {
dotNormalColor = a.getColor(R.styleable.SlideShow_dotNormal, Color.WHITE);
dotSelectedColor = a.getColor(R.styleable.SlideShow_dotSelected, Color.GRAY);
radius = a.getDimensionPixelSize(R.styleable.SlideShow_dotRadius, 10);
dotMargin = a.getDimensionPixelSize(R.styleable.SlideShow_dotMargin, 5);
} finally {
a.recycle();
}
this.selectedPaint.setColor(dotSelectedColor);
this.normalPaint.setColor(dotNormalColor);
this.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
return gdt.onTouchEvent(event);
}
});
}
public void start(String[] urls) {
this.urls = urls;
this.imagesSize = this.urls.length;
// setup dots
dots = new Dot[imagesSize];
int dotY = 2 * radius - dotMargin;
int dotWidth = 2 * radius + dotMargin;
for (int i = 0; i < dots.length; i++) {
dots[i] = new Dot((imagesSize/2 - i) * dotWidth, dotY, radius);
}
getImageIntoView(0);
}
private void getImageIntoView(int position) {
Picasso.with(getContext()).load(urls[position]).placeholder(R.drawable.ic_amigos).into(nextImageView);
}
protected void next() {
curPos++;
if (curPos > imagesSize - 1) {
curPos = 0;
}
getImageIntoView(curPos);
}
protected void prev() {
curPos--;
if (curPos < 0) {
curPos = imagesSize - 1;
}
getImageIntoView(curPos);
}
@Override
public void onTargetLoaded(Bitmap bitmap) {
setImageBitmap(bitmap);
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (dots == null) {
return;
}
int offsetX = canvas.getWidth()/2;
int offsetY = canvas.getHeight();
for (int i = 0; i < dots.length; i++) {
dots[i].render(canvas, offsetX, offsetY, (curPos == i) ? selectedPaint : normalPaint);
}
}
private class Dot {
private int posX, posY, radius;
public Dot() {
}
public Dot(int posX, int posY, int radius) {
this.posX = posX;
this.posY = posY;
this.radius = radius;
}
public void render(Canvas canvas, int offsetX, int offsetY, Paint paint) {
/*canvas
.drawCircle(offsetX - posX, offsetY - posY, radius, paint);*/
}
}
private class GestureListener extends GestureDetector.SimpleOnGestureListener {
private final int SWIPE_MIN_DISTANCE = 100;
private final int SWIPE_THRESHOLD_VELOCITY = 70;
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
// Right to left, your code here
next();
return true;
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
// Left to right, your code here
prev();
return true;
}
return false;
}
}
public class TargetImageView implements Target {
TargetLoaded targetLoaded;
public TargetImageView(TargetLoaded targetLoaded) {
this.targetLoaded = targetLoaded;
}
@Override
public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
targetLoaded.onTargetLoaded(bitmap);
}
@Override
public void onBitmapFailed(Drawable errorDrawable) {
}
@Override
public void onPrepareLoad(Drawable placeHolderDrawable) {
}
}
}
Но это изменит изображения, как фликер, и анимация должна быть медленной