Animation 滑动切换界面

来源：互联网发布：淘宝老顾客回购率编辑：程序博客网时间：2024/05/18 00:44

//滑动切换界面
private ViewPager viewPager;

viewPager.setAdapter(Myadter);
//主要是为了获取position(滑动到了第几页)
viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

        }        @Override        public void onPageSelected(int position) {        }        @Override        public void onPageScrollStateChanged(int state) {            Log.d("vivi", "onPageScrollStateChanged: " + state);            switch(state) {                case ViewPager.SCROLL_STATE_DRAGGING:                    //拖的时候才进入下一页                    flag = false;                    Log.d("vivi", "SCROLL_STATE_DRAGGING: " + ViewPager.SCROLL_STATE_DRAGGING);                    break;                case ViewPager.SCROLL_STATE_SETTLING:                    flag = true;                    Log.d("vivi", "SCROLL_STATE_SETTLING: " + ViewPager.SCROLL_STATE_SETTLING);                    break;                case ViewPager.SCROLL_STATE_IDLE:                    Log.d("vivi", "SCROLL_STATE_IDLE: " + ViewPager.SCROLL_STATE_IDLE + "  mViewPager.getCurrentItem() " + viewPager.getCurrentItem());                    /**                     * 判断是不是最后一页，同是是不是拖的状态                     */                    if (viewPager.getCurrentItem() == Myadter.getCount() - 1 && !flag) {                            Intent localIntent = new Intent();                                                      localIntent.setClass(main_content.this, CommitActivity.class);                        startActivity(localIntent);                        // overridePendingTransition(0, 0);                        finish();                    }                    flag = true;                    break;            }        }    });    //滑动    viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {        @Override        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {        }        //代表选择哪一个页面        @Override        public void onPageSelected(int position) {        }        @Override        public void onPageScrollStateChanged(int state) {            //==2是滑动的意思            if(state==2){                //获得当前的页数                int a=viewPager.getCurrentItem()+1;                textView.setText(a+"/"+fragments.size());            }        }    });}//滑动改变FragmentManager fr=getSupportFragmentManager();FragmentPagerAdapter Myadter =new FragmentPagerAdapter(fr){    @Override    public Fragment getItem(int position) {        return fragments.get(position);    }    @Override    public int getCount() {        return fragments.size();    }};

阅读全文

0 0