开发工具:
文件大小: 8mb
下载次数: 0
上传时间: 2013-10-28
详细说明： package com.example.wzq; import java.util.ArrayList; import java.util.List; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; import com.example.wzq.MyInfo.MyInfoActivity; import com.example.wzq.gameview.WzqGame; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.Parcelable; import android.app.Activity; import android.content.Intent; import android.graphics.Color; import android.support.v4.view.Pager Adapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.OnPageChangeListener; import android.view.KeyEvent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.ImageView.ScaleType; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener{ private ViewPager viewPager; private List imageViews; //滑动的图片集合 private String[] titles;//图片标题 private int[] imageResId;//图片ID private List dots; //图片标题正文的那些点集合 private TextView tv_title; private int currentItem = 0;//当前图片的索引号 Intent intent = new Intent(); private ScheduledExecutorService scheduledExecutorService; //切换到当前显示的图片 private Handler handler = new Handler(){ @Override public void handleMessage(Message msg) { viewPager.setCurrentItem(currentItem); } }; //定义两种颜色设置 static final int COLOR1 = Color.parseColor("#787878"); static final int COLOR2 = Color.parseColor("#ffffff"); //定义四个按钮切换按钮 private Button start_btn=null; private Button bluetooth_btn=null; private Button myinfo_btn=null; private Button finish_btn=null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //生成滚动图片 initImageFlow(); View view_below=findViewById(R.id.below_view); Const.currentid=1; new Change(MainActivity.this,view_below); initBtns(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } /* * 初始化按钮 * */ public void initBtns(){ start_btn=(Button)findViewById(R.id.main_start_btn); start_btn.setOnClickListener(this); bluetooth_btn=(Button)findViewById(R.id.main_bluegame_btn); bluetooth_btn.setOnClickListener(this); myinfo_btn=(Button)findViewById(R.id.main_mynotes_btn); myinfo_btn.setOnClickListener(this); finish_btn=(Button)findViewById(R.id.main_finish_btn); finish_btn.setOnClickListener(this); } @Override public void onClick(View v) { switch(v.getId()){ case R.id.main_start_btn: Toast.makeText(this, "main_start_btn", Toast.LENGTH_SHORT).show(); intent.setClass(getApplicationContext(), WzqGame.class); startActivity(intent); break; case R.id.main_bluegame_btn: Toast.makeText(this, "main_bluegame_btn", Toast.LENGTH_SHORT).show(); break; case R.id.main_mynotes_btn: Toast.makeText(this, "main_mynotes_btn", Toast.LENGTH_SHORT).show(); intent.setClass(getApplicationContext(),MyInfoActivity.class); startActivity(intent); break; case R.id.main_finish_btn: Toast.makeText(this, "main_finish_btn", Toast.LENGTH_SHORT).show(); finish(); break; } } /* * 图片切换功能 * */ private void initImageFlow() { //放置图片资源 imageResId = new int[] { R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.d, R.drawable.e }; titles = new String[imageResId.length]; titles[0] = "第一个"; titles[1] = "第二个"; titles[2] = "第三个"; titles[3] = "第四个"; titles[4] = "第五个"; imageViews = new ArrayList(); //初始化图片资源 for(int i = 0; i(); dots.add(findViewById(R.id.v_dot0)); dots.add(findViewById(R.id.v_dot1)); dots.add(findViewById(R.id.v_dot2)); dots.add(findViewById(R.id.v_dot3)); dots.add(findViewById(R.id.v_dot4)); tv_title = (TextView)findViewById(R.id.tv_title); tv_title.setText(titles[0]); //填充viewPager页面的适配器 viewPager = (ViewPager)findViewById(R.id.vp); viewPager.setAdapter(new MyAdapter()); //设置监听器，当ViewPager中的页面改变时调用 viewPager.setOnPageChangeListener(new MyPageChangeListener()); } @Override protected void onStart() { // TODO Auto-generated method stub scheduledExecutorService = Executors.newSingleThreadScheduledExecutor(); //图片自动进行切换，每隔两秒进行一次切换 scheduledExecutorService.scheduleAtFixedRate(new ScrollTask(), 1,2, TimeUnit.SECONDS); super.onStart(); } @Override protected void onStop() { //当Activity不可见的时候停止切换 scheduledExecutorService.shutdown(); super.onStop(); } @Override protected void onDestroy() { super.onDestroy(); } /** * 换行切换任务 * @author user36 * */ private class ScrollTask implements Runnable{ @Override public void run() { synchronized(viewPager){ System.out.println("currentItem: " + currentItem); currentItem = (currentItem + 1) % imageViews.size(); handler.obtainMessage().sendToTarget(); } } } /*** * 当viewPager页面中的状态发生改变时调用 * @author user36 * */ private class MyPageChangeListener implements OnPageChangeListener{ private int oldPosition = 0; @Override public void onPageScrollStateChanged(int arg0) { // TODO Auto-generated method stub } @Override public void onPageScrolled(int arg0, float arg1, int arg2) { // TODO Auto-generated method stub } @Override public void onPageSelected(int position) { currentItem = position; tv_title.setText(titles[position]); dots.get(oldPosition).setBackgroundResource(R.drawable.dot_normal); dots.get(position).setBackgroundResource(R.drawable.dot_focused); oldPosition = position; } } /** * 填充ViewPager页面的适配器 * @author user36 * */ private class MyAdapter extends PagerAdapter{ @Override public int getCount() { return imageResId.length; } @Override public Object instantiateItem(View arg0, int arg1) { ((ViewPager) arg0).addView(imageViews.get(arg1)); return imageViews.get(arg1); } @Override public void destroyItem(View arg0, int arg1, Object arg2) { ((ViewPager) arg0).removeView((View) arg2); } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == arg1; } @Override public void restoreState(Parcelable arg0, ClassLoader arg1) { } @Override public Parcelable saveState() { return null; } @Override public void startUpdate(View arg0) { } @Override public void finishUpdate(View arg0) { } } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { event.startTracking(); return true; } return super.onKeyDown(keyCode, event); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.isTracking() && !event.isCanceled()) { // *** DO ACTION HERE *** return true; } return super.onKeyUp(keyCode, event); } } ...展开收缩
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