SortListView，一个电话本列表的实现

简书介绍

一个仿手机联系人自动排序的列表实现sortlistview（一） 一个仿手机联系人自动排序的列表实现sortlistview（二)

直接上图

具体的可以看代码

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"
    xmlns:sidebar="http://schemas.android.com/apk/res-auto"
    tools:context="com.yukunkun.SideBarDemoActivity">
    <ListView android:layout_width="match_parent"
              android:id="@+id/list"
              android:layout_height="match_parent">
    </ListView>
<com.yukunkun.SideBar
    android:textColor="@color/colorAccent"
    android:textSize="15sp"
    android:paddingRight="10dp"
    sidebar:scaleTime="1"
    android:layout_width="200dp"
    android:id="@+id/bar"
    android:layout_height="match_parent"
    android:layout_alignParentTop="true"
    android:layout_alignParentRight="true"
    android:layout_alignParentEnd="true"/>
    <TextView android:layout_width="55dp"
              android:text="A"
              android:id="@+id/tv"
              android:gravity="center"
              android:textSize="25sp"
              android:visibility="gone"
              android:textColor="#bb4e79f1"
              android:background="@color/green"
              android:layout_centerInParent="true"
              android:layout_height="55dp"/>

</RelativeLayout>

主要使用

public class SideBarDemoActivity extends AppCompatActivity {
 private SideBar bar;
    private ListView mListView;
    private String[] mStrings;
    private TextView mTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bar= (SideBar) findViewById(R.id.bar);
        bar.setStyle(SideBar.STYLEWAVE);
//        bar.setStyle(SideBar.STYLENOWAVE);
//        bar.setStyle(SideBar.STYLENORMAL);
        mListView = (ListView) findViewById(R.id.list);
        mTextView = (TextView) findViewById(R.id.tv);
        mStrings=getResources().getStringArray(R.array.date);

    //数据转换成我们需要的module
    final List<SortModel> sortModule = getSortModule();
    final LVAdapter lvAdapter=new LVAdapter(sortModule,this);
    mListView.setAdapter(lvAdapter);
    //silderbar的回调
    bar.setOnStrSelectCallBack(new ISideBarSelectCallBack() {
        @Override
        public void onSelectStr(int index, String selectStr) {
            mTextView.setText(selectStr);
            for (int i = 0; i < sortModule.size() ; i++){
                if(sortModule.get(i).getSortLetters().equals(selectStr)){
                    mListView.setSelection(i);
                    return;
                }
            }
        }

        @Override
        public void onSelectEnd() {
            //只有SideBar.STYLENORMAL才会调用这个方法
            mTextView.setVisibility(View.GONE);
        }

        @Override
        public void onSelectStart() {
            //只有SideBar.STYLENORMAL才会调用这个方法
            mTextView.setVisibility(View.VISIBLE);
        }
    });

    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            Intent intent=new Intent(SideBarDemoActivity.this,SilderBarActivity.class);
            startActivity(intent);
        }
    });
}
//获取到需要的排序后的集合
private List<SortModel> getSortModule() {
    List<SortModel> filterDateList = new ArrayList<SortModel>();
    for (int i = 0; i < mStrings.length; i++) {
        String pinYinFirstLetter = Cn2Spell.getPinYinFirstLetter(mStrings[i]);
        SortModel sortModel=new SortModel(mStrings[i],pinYinFirstLetter.toUpperCase().charAt(0)+"");
        filterDateList.add(sortModel);
    }
    Collections.sort(filterDateList,new PinyinComparator());
    return filterDateList;
}