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最新推荐文章于 2024-11-05 16:33:18 发布

原创最新推荐文章于 2024-11-05 16:33:18 发布 · 149 阅读

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布局

<RelativeLayout… xmlns:android=“http://schemas.android.com/apk/res/android”
xmlns:tools=“http://schemas.android.com/tools”
android:layout_width=“match_parent”
android:layout_height=“match_parent” >

<android.support.v4.view.ViewPager
    android:id="@+id/pager"
    android:layout_width="match_parent"
    android:layout_height="match_parent"  />

<Button
    android:id="@+id/button1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
    android:background="#0f0"
    android:text="立即体验" />

</RelativeLayout…>

主页面

public class MainActivity extends Activity {

private ViewPager pager;
private Button button;

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	//sp)
	//1.获取sp 对象（ 存储文件的名字，存储的文件权限）
	SharedPreferences sp = getSharedPreferences("ydy", Context.MODE_PRIVATE);
	//5判断是不是第一次
	if (sp.getBoolean("第一次", false)) {
		startActivity(new Intent(MainActivity.this,TwoActvity.class));
		finish();//这行代码很重要必须写 不然会减5分；
		return;//停止继续执行
	}
	//2获取编辑器
	Editor edit = sp.edit();
	//3存储值
	edit.putBoolean("第一次", true);
	//4提交
	edit.commit();
	
	pager = (ViewPager) findViewById(R.id.pager);
	button = (Button) findViewById(R.id.button1);
	button.setVisibility(View.GONE);
	// 第一步：数据
	final ArrayList<ImageView> list = new ArrayList<ImageView>();
	int arr[] = { R.drawable.ic_launcher, R.drawable.ic_launcher,
			R.drawable.ic_launcher, R.drawable.ic_launcher };
	for (int i = 0; i < arr.length; i++) {
		ImageView imageView = new ImageView(MainActivity.this);
		imageView.setImageResource(arr[i]);
		list.add(imageView);
	}
	// 第二部：适配器
	pager.setAdapter(new PagerAdapter() {
		@Override
		public int getCount() {

			return list.size();
		}

		@Override
		public boolean isViewFromObject(View arg0, Object arg1) {
			// TODO Auto-generated method stub
			return arg0 == arg1;
		}

		@Override
		public Object instantiateItem(ViewGroup container, int position) {
			ImageView imageView = list.get(position);
			container.addView(imageView);
			return imageView;

		}

		@Override
		public void destroyItem(ViewGroup container, int position,
				Object object) {
			container.removeView((View) object);
		}

	});
	// 第三部：页面滑动事件
	pager.setOnPageChangeListener(new OnPageChangeListener() {

		@Override
		public void onPageSelected(int arg0) {
			if (arg0==list.size()-1) {
				button.setVisibility(View.VISIBLE);
			}else {
				button.setVisibility(View.GONE);
			}
			 

		}

		@Override
		public void onPageScrolled(int arg0, float arg1, int arg2) {
			// TODO Auto-generated method stub

		}

		@Override
		public void onPageScrollStateChanged(int arg0) {
			// TODO Auto-generated method stub

		}
	});

	// 第四部：点击 事件跳转页面
	button.setOnClickListener(new OnClickListener() {
		
		@Override
		public void onClick(View v) {
			startActivity(new Intent(MainActivity.this,TwoActvity.class));
			finish();//这行代码很重要必须写 不然会减5分；
		}
	});
	
}

}
//--------------------------------------------------------------------------------------------------

public class Frag_01 extends Fragment {

private ViewPager pager;
private RadioGroup radioGroup;
private ListView listView;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
		Bundle savedInstanceState) {
	View view = inflater.inflate(R.layout.frag_01, container, false);
	// 找控件
	pager = (ViewPager) view.findViewById(R.id.pager);
	radioGroup = (RadioGroup) view.findViewById(R.id.radioGroup1);
	listView = (ListView) view.findViewById(R.id.listView1);
	// pager数据
	initPager();
	// listview数据
	initlist();

	return view;
}

private void initlist() {
	final ArrayList<String> list = new ArrayList<String>();
	for (int i = 0; i < 14; i++) {
		list.add("小哥哥网恋吗?我萝莉音哦!!" + i);
	}
	// 适配器
	listView.setAdapter(new MyListAdapter(getActivity(), list));
	//点击发送广播
	listView.setOnItemClickListener(new OnItemClickListener() {

		@Override
		public void onItemClick(AdapterView<?> parent, View view,
				int position, long id) {
			
			 Intent intent=new Intent("com.example.week_01.gb.GuangBo");
			intent.putExtra("key", list.get(position));
			//开启广播
			getActivity().sendBroadcast(intent);
		}
	});

}

private void initPager() {
	int arr[] = { R.drawable.a1, R.drawable.a2, R.drawable.a3,
			R.drawable.a4 };
	final ArrayList<ImageView> arrayList = new ArrayList<ImageView>();
	for (int i = 0; i < arr.length; i++) {
		// 初始化imageView数据
		ImageView imageView = new ImageView(getActivity());
		imageView.setImageResource(arr[i]);
		arrayList.add(imageView);
		// 初始化小圆点
		RadioButton button = new RadioButton(getActivity());
		radioGroup.addView(button);
	}
	radioGroup.check(radioGroup.getChildAt(0).getId());
	// 适配器
	pager.setAdapter(new MypagerAdapter(arrayList,handler));
	// 页面切换小圆点跟着走
	pager.setOnPageChangeListener(new OnPageChangeListener() {

		@Override
		public void onPageSelected(int arg0) {
			arg0 %= arrayList.size();

			radioGroup.check(radioGroup.getChildAt(arg0).getId());

		}

		@Override
		public void onPageScrolled(int arg0, float arg1, int arg2) {

		}

		@Override
		public void onPageScrollStateChanged(int arg0) {

		}
	});
	// /自动轮播
	handler.sendEmptyMessageDelayed(0, 3000);
}

Handler handler = new Handler() {
	public void handleMessage(android.os.Message msg) {
		switch (msg.what) {
		case 0:
			int currentItem = pager.getCurrentItem() + 1;
			pager.setCurrentItem(currentItem);

			handler.sendEmptyMessageDelayed(0, 3000);
			break;

		}
	};
};

@Override
public void onDestroy() {// TODO Auto-generated method stub
super.onDestroy();
handler.removeCallbacksAndMessages(null);
}
}

适配器

package com.example.week_01.adapter;

import java.util.ArrayList;

import android.os.Handler;
import android.support.v4.view.PagerAdapter;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnTouchListener;
import android.widget.ImageView;

public class MypagerAdapter extends PagerAdapter {
ArrayList list;
Handler handler;

public MypagerAdapter(ArrayList<ImageView> list, Handler handler) {
	super();
	this.list = list;
	this.handler = handler;
}

@Override
public int getCount() {
	// TODO Auto-generated method stub
	return Integer.MAX_VALUE;
}

@Override
public boolean isViewFromObject(View arg0, Object arg1) {
	// TODO Auto-generated method stub
	return arg0 == arg1;
}

@Override
public Object instantiateItem(ViewGroup container, int position) {
	position %= list.size();
	ImageView imageView = list.get(position);
	// 触摸事件
	imageView.setOnTouchListener(new OnTouchListener() {

		@Override
		public boolean onTouch(View v, MotionEvent event) {
			// TODO Auto-generated method stub
			// 得到事件
			int action = event.getAction();
			switch (action) {
			case MotionEvent.ACTION_DOWN:// 按下
				handler.removeCallbacksAndMessages(null);
				Log.i("TAG", "按下");
				break;
			case MotionEvent.ACTION_MOVE:// 滑动
				handler.removeCallbacksAndMessages(null);
				Log.i("TAG", "滑动");
				break;
			case MotionEvent.ACTION_CANCEL:// 非人为原因结束本次事件
				handler.sendEmptyMessageDelayed(0, 3000);
				Log.i("TAG", "非人为原因结束本次事件");
				break;
			case MotionEvent.ACTION_UP:// 抬起View（与DOWN对应）
				handler.sendEmptyMessageDelayed(0, 3000);
				Log.i("TAG", "抬起View");
				break;

			}
			return true;// 表示消费了触摸事件，onTouch之后才执行onClick,这里被消费了，所以，相关的点击事件不会执行。
		}
	});
	container.addView(imageView);
	return imageView;
}

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
	container.removeView((View) object);
}

}