本文实例为大家分享了Android控件ImageSwitcher实现引导界面的代码，供大家参考，具体内容如下

效果图：

布局代码：

<"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>

页面代码：

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; } }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持查字典教程网。