<?xml version="1.0" encoding="UTF-8"?><FrameLayout 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"> </ImageSwitcher> <RelativeLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical"> <LinearLayout android:id="@+id/ll_view" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_marginBottom="30dp" android:gravity="center_horizontal" android:orientation="horizontal"> </LinearLayout> </RelativeLayout></FrameLayout>

public class ImageSwitcherActivity extends Activity implements ViewSwitcher.ViewFactory, View.OnTouchListener {
private int[] imgIds;
//图片id数组 private int currentPosition;
//当前选中的图片id序号 private ImageSwitcher mImageSwitcher;
//ImagaSwitcher 的引用 private float downX;
//按下点的X坐标 private ImageView[] tips;
//点点数组 private LinearLayout linearLayout;
//装载点点的容器 @Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_switcher);
imgIds = new int[]{
R.drawable.bg, R.drawable.c2, R.drawable.c3, R.drawable.c4, R.drawable.c5, R.drawable.c6, R.drawable.c7, R.drawable.c8, R.drawable.c9}
;
mImageSwitcher = (ImageSwitcher) findViewById(R.id.imageSwitcher);
//实例化ImageSwitcher mImageSwitcher.setFactory(this);
//设置Factory mImageSwitcher.setOnTouchListener(this);
//设置OnTouchListener，我们通过Touch事件来切换图片 linearLayout = (LinearLayout) findViewById(R.id.ll_view);
//指示器布局 tips = new ImageView[imgIds.length];
for (int i = 0;
i < imgIds.length;
i++) {
ImageView mImageView = new ImageView(this);
tips[i] = mImageView;
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(new ViewGroup.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
layoutParams.rightMargin = 3;
layoutParams.leftMargin = 3;
mImageView.setBackgroundResource(R.drawable.page_indicator_unfocused);
linearLayout.addView(mImageView, layoutParams);
}
//上一个界面传过来的位置 currentPosition = getIntent().getIntExtra("position", 0);
mImageSwitcher.setImageResource(imgIds[currentPosition]);
setImageBackground(currentPosition);
}
//设置选中的tip的背景 private void setImageBackground(int selectItems) {
for (int i = 0;
i < tips.length;
i++) {
if (i == selectItems) {
tips[i].setBackgroundResource(R.drawable.page_indicator_focused);
}
else {
tips[i].setBackgroundResource(R.drawable.page_indicator_unfocused);
}
}
}
@Override public View makeView() {
final ImageView i = new ImageView(this);
i.setBackgroundColor(0xff000000);
i.setScaleType(ImageView.ScaleType.CENTER_CROP);
i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
return i;
}
@Override public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: {
downX = event.getX();
//手指按下的X坐标 break;
}
case MotionEvent.ACTION_UP: {
float lastX = event.getX();
//抬起的时候的X坐标大于按下的时候就显示上一张图片 if (lastX > downX) {
if (currentPosition > 0) {
//设置动画 mImageSwitcher.setInAnimation(AnimationUtils.loadAnimation(getApplication(), R.anim.left_in));
mImageSwitcher.setOutAnimation(AnimationUtils.loadAnimation(getApplication(), R.anim.right_out));
currentPosition--;
mImageSwitcher.setImageResource(imgIds[currentPosition % imgIds.length]);
setImageBackground(currentPosition);
}
else {
Toast.makeText(getApplication(), "已经是第一张", Toast.LENGTH_SHORT).show();
}
}
if (lastX < downX) {
if (currentPosition < imgIds.length - 1) {
mImageSwitcher.setInAnimation(AnimationUtils.loadAnimation(getApplication(), R.anim.right_in));
mImageSwitcher.setOutAnimation(AnimationUtils.loadAnimation(getApplication(), R.anim.lift_out));
currentPosition++;
mImageSwitcher.setImageResource(imgIds[currentPosition]);
setImageBackground(currentPosition);
}
else {
Toast.makeText(getApplication(), "到了最后一张", Toast.LENGTH_SHORT).show();
}
}
}
break;
}
return true;
}
}