学步园

/**
 *自定义imageview,主要是为了释放touch传�?事件到viewpager�?
 * @author liao
 *
 */
public class MyImageView extends ImageView{

	public MyImageView(Context context) {
		super(context);
		init();
	}
	
	public MyImageView(Context context, AttributeSet attrs) {
		super(context, attrs);
		init();
	}
	
	
	public MyImageView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		init();
	}

	private void init()
	{
		this.setOnTouchListener(new OnTouchListener() {
			
			@Override
			public boolean onTouch(View arg0, MotionEvent arg1) {
				// TODO Auto-generated method stub
				return false;
			}
		});
	}
	
}

import java.util.ArrayList;

import com.hx.zsnc.R;
import com.hx.zsnc.adapter.MyViewPagerAdapater;

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;

/**
 * 1.自定义viewpager实现广告界面,支持手势滑动和点击事�?不支持无限向�?��方向循环 2.播放到两边之后会循环来回播放
 * 
 */
public class MyViewPager extends ViewPager {

	Context context;
	LayoutInflater inflater;
	View view_fir, view_sec, view_thi, view_four, view_five, view_six;
	MyImageView imageView_fir, imageView_sec, imageView_thi, imageView_four,
			imageView_five;
	ArrayList<View> arrayList;
	MyViewPagerAdapater adapater;
	long fir_time, last_time;
	MyViewPagerClick click;
	boolean isClick = true;
	boolean isPlay = true;
	int start = 100;
	boolean isStartRight = true;
	Handler handler;
	float MoveX, MoveY;

	int time;// 切换间隔时间
	int times = 4;// for循环添加view次数

	View viewAll[] = { view_fir, view_sec, view_thi, view_four, view_five,
			view_six };
	int pic[] = { R.drawable.photo01, R.drawable.photo02,
			R.drawable.play_photo01, R.drawable.play_photo01 };
	int view_id[] = { R.layout.home_ad1, R.layout.home_ad2, R.layout.home_ad3,
			R.layout.home_ad4 };
	int image_id[] = { R.id.imageview_one, R.id.imageview_two,
			R.id.imageview_three, R.id.imageview_four };
	MyImageView imageViewAll[] = { imageView_fir, imageView_sec, imageView_thi,
			imageView_four };

	public MyViewPager(Context context) {
		super(context);
		this.context = context;
		init();
	}

	public MyViewPager(Context context, AttributeSet attrs) {
		super(context, attrs);
		this.context = context;
		init();
	}

	private void init() {
		arrayList = new ArrayList<View>();
		inflater = LayoutInflater.from(context);
		for (int i = 0; i < times; i++) {
			viewAll[i] = inflater.inflate(view_id[i], null);
			imageViewAll[i] = (MyImageView) viewAll[i]
					.findViewById(image_id[i]);
			imageViewAll[i].setImageResource(pic[i]);
			arrayList.add(viewAll[i]);
		}

		adapater = new MyViewPagerAdapater(arrayList);
		this.setAdapter(adapater);

		this.setOnTouchListener(new OnTouchListener() {

			@Override
			public boolean onTouch(View arg0, MotionEvent arg1) {
				// TODO Auto-generated method stub
				Log.i("ljs", "this is a touch");

				isPlay = false;

				float X = arg1.getX();
				float Y = arg1.getY();

				switch (arg1.getAction()) {
				case MotionEvent.ACTION_DOWN:
					fir_time = System.nanoTime();
					MoveX = X;
					MoveY = Y;

					break;
				case MotionEvent.ACTION_UP:
					last_time = System.nanoTime();
					if ((last_time - fir_time) / 1000000l > 120
							|| last_time - fir_time <= 0 || !isClick) {
						Log.i("ljs", "this is a click cancel");
					} else {
						Log.i("ljs", "this is a click ");
						click.OnClick();
					}
					isPlay = true;
					break;
				case MotionEvent.ACTION_MOVE:
					int moveX = (int) (MoveX - X);
					int moveY = (int) (MoveY - Y);
					if (moveX * moveX + moveY * moveY > 100) {
						isClick = false;
					}

					break;
				}
				return false;
			}
		});

		Animation animation = AnimationUtils.loadAnimation(context,
				R.anim.push_right_in);
		this.setAnimation(animation);
		handler = new Handler() {

			@Override
			public void handleMessage(Message msg) {
				// TODO Auto-generated method stub
				if (msg.what == start && isPlay) {
					if (isStartRight) {
						if (getCurrentItem() + 1 == arrayList.size()) {
							isStartRight = false;
							Animation animation = AnimationUtils.loadAnimation(
									context, R.anim.push_right_out);
							viewAll[getCurrentItem()].setAnimation(animation);
							setCurrentItem(getCurrentItem() - 1);

						} else {
							setCurrentItem(getCurrentItem() + 1);
						}
					} else {
						if (getCurrentItem() == 0) {
							isStartRight = true;
							setCurrentItem(getCurrentItem() + 1);
						} else {
							setCurrentItem(getCurrentItem() - 1);
						}
					}
				}

				sendMess();
			}

		};
	}

	/**
	 * 自定义点击事件接�?
	 * 
	 * @param click
	 */
	public void SetMysetOnClickListener(MyViewPagerClick click) {
		this.click = click;
	}

	/**
	 * 通过此方法启动hanlder实现无限循环来播放view,time 为每次播放间隔时�?
	 */
	public void start(int time) {
		this.time = time;
		sendMess();
	}

	private void sendMess() {
		Message message = new Message();
		message.what = start;
		handler.sendMessageDelayed(message, time);
	}

	public void setImageall(MyImageView[] imageViews) {
		this.imageViewAll = imageViews;
	}

	@Override
	public boolean dispatchTouchEvent(MotionEvent ev) {
		boolean ret = super.dispatchTouchEvent(ev);
		if (ret) {
			requestDisallowInterceptTouchEvent(true);
		}
		return ret;
	}

}

public interface MyViewPagerClick {

	public void OnClick();
}