protected override void OnCreate(Bundle savedInstanceState) { base.OnCreate(savedInstanceState); // Create your application here SetContentView(Resource.Layout.main); Log.Info("GCS", "onCreate"); _seekBar = FindViewById <SeekBar>(Resource.Id.seekBar1); _seekBar.SetOnTouchListener(this); mRadioGroup = this.FindViewById <RadioGroup>(Resource.Id.orientation_type);// (RadioGroup)findViewById(R.id.orientation_type); mRadioGroup.SetOnCheckedChangeListener(this); mPageTotal = (TextView)FindViewById(Resource.Id.page_total); mPageCurrent = (TextView)FindViewById(Resource.Id.page_current); t_page_bar_process = FindViewById <TextView>(Resource.Id.page_bar_process); mLayoutManager = new PagerGridLayoutManager(mRows, mColumns, PagerGridLayoutManager .HORIZONTAL); // 系统带的 RecyclerView,无需自定义 mRecyclerView = (RecyclerView)FindViewById(Resource.Id.recycler_view); // 水平分页布局管理器 mLayoutManager.SetPageListener(this); // 设置页面变化监听器 mRecyclerView.SetLayoutManager(mLayoutManager); // 设置滚动辅助工具 PagerGridSnapHelper pageSnapHelper = new PagerGridSnapHelper(); pageSnapHelper.AttachToRecyclerView(mRecyclerView); // 如果需要查看调试日志可以设置为true,一般情况忽略即可 PagerConfig.SetShowLog(true); List <string> data = new List <string>(); for (int i = 1; i <= 15; i++) { data.Add(i + ""); } // 使用原生的 Adapter 即可 mAdapter = new MainItemAdapter(data); RecyclerView.AdapterDataObserver observer = new DataObserverModel(mAdapter); mAdapter.RegisterAdapterDataObserver(observer); mRecyclerView.SetAdapter(mAdapter); Button btn_addone = this.FindViewById <Button>(Resource.Id.AddOneFunc); btn_addone.Click += delegate { mAdapter.items.Add("add"); mAdapter.NotifyDataSetChanged(); }; }
public DataObserverModel(MainItemAdapter item) { _myItem = item; }