android利用ViewPager做的介绍软件功能demo

<pre name="code" class="java">/** * 介绍该软件的功能 * @author yqq * */public class WhatNewActivity extends Activity {private ViewPager mViewPager;private ImageView mPage0;private ImageView mPage1;private ImageView mPage2;private ImageView mPage3;private SharedPreferences mPreferences;private int currIndex = 0;public WhatNewActivity() {// TODO Auto-generated constructor stub}    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);         requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_what_one);        mViewPager = (ViewPager)findViewById(R.id.whatsnew_viewpager);                mViewPager.setOnPageChangeListener(new MyOnPageChangeListener());                       mPage0 = (ImageView)findViewById(R.id.page0);        mPage1 = (ImageView)findViewById(R.id.page1);        mPage2 = (ImageView)findViewById(R.id.page2);        mPage3 = (ImageView)findViewById(R.id.page3);       //将要分页显示的View装入数组中        LayoutInflater mLi = LayoutInflater.from(this);              View view2 = mLi.inflate(R.layout.activity_what2, null);        view2.setAlpha(50);        View view3 = mLi.inflate(R.layout.activity_what3, null);        view3.setAlpha(50);              View view5 = mLi.inflate(R.layout.activity_what5, null);        view5.setAlpha(50);        View view6 = mLi.inflate(R.layout.activity_goto_main, null);        view6.setAlpha(50);      //每个页面的view数据        final ArrayList<View> views = new ArrayList<View>();        views.add(view2);        views.add(view3);        views.add(view5);        views.add(view6);                //填充ViewPager的数据适配器        PagerAdapter mPagerAdapter = new PagerAdapter() {@Overridepublic boolean isViewFromObject(View arg0, Object arg1) {return arg0 == arg1;}@Overridepublic int getCount() {return views.size();}@Overridepublic void destroyItem(View container, int position, Object object) {((ViewPager)container).removeView(views.get(position));}@Overridepublic Object instantiateItem(View container, int position) {((ViewPager)container).addView(views.get(position));return views.get(position);}};mViewPager.setAdapter(mPagerAdapter);    }            public class MyOnPageChangeListener implements OnPageChangeListener {@Overridepublic void onPageSelected(int arg0) {switch (arg0) {case 0:mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page_now));mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));break;case 1:mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page_now));mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));break;case 2:mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page_now));mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));break;case 3:mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page_now));mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));break;}currIndex = arg0;}@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {}@Overridepublic void onPageScrollStateChanged(int arg0) {}}    public void startbutton(View v) {      mPreferences=getSharedPreferences("Config",MODE_PRIVATE);         Editor editor=mPreferences.edit();         editor.putBoolean("isFirst", false);         editor.commit();      Intent intent = new Intent();intent.setClass(WhatNewActivity.this,WhatDoorActivity.class);startActivity(intent);overridePendingTransition(R.anim.tran_next_in, R.anim.tran_next_out);this.finish();      }      }
更多相关文章

随机推荐
