高级控件1

高级控件之
AutoCompleteTextView 自动提示

AutoCompleteTextView 属性有;

android:layout_width="match_parent" 控件的高与宽android:layout_height="wrap_content"

android:completionThreshold="1" //设置输入产生提醒字符的字符数量
高级控件之
ListVeiw 用来展示列表的View 属性有: 
android:id="@+id/lv_list_names"//id属性 
高级控件之
Spinner //下拉框控件
代码演示
<AutoCompleteTextView    android:layout_width="match_parent"    android:layout_height="wrap_content"      android:id="@+id/actv_main_auto"      android:completionThreshold="1"//
设置输入产生提醒字符的字符数量
    />      <MultiAutoCompleteTextView          android:layout_width="match_parent"          android:layout_height="wrap_content"          android:id="@+id/mactv_main_auto"          android:completionThreshold="1"          />          <Spinner              android:layout_width="match_parent"              android:layout_height="wrap_content"                  android:id="@+id/s_main_spinner"              >          </Spinner>
public class MainActivity extends AppCompatActivity {    private ListView lv_list_names;    private Spinner s_main_spinner;    private String[] data;    private MultiAutoCompleteTextView mactv_main_auto;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //获取控件        mactv_main_auto = (MultiAutoCompleteTextView) findViewById(R.id.mactv_main_auto);        lv_list_names = (ListView) findViewById(R.id.lv_list_names);        s_main_spinner = (Spinner) findViewById(R.id.s_main_spinner);        //获取字符串数组        data = getResources().getStringArray(R.array.data);        //适配器        ArrayAdapter adapter=new ArrayAdapter(this,android.R.layout.simple_list_item_1, data);        mactv_main_auto.setAdapter(adapter);        //给控件设分隔符        MultiAutoCompleteTextView.Tokenizer tokenizer=new MultiAutoCompleteTextView.CommaTokenizer();        mactv_main_auto.setTokenizer(tokenizer);        mactv_main_auto.setAdapter(adapter);        //给下拉框设置适配器        final String provinces[]={"湖南省","河南省","海南省"};        int images[]={R.drawable.dog,R.drawable.elephant,R.drawable.fox};        List<Map<String,Object>> list=new ArrayList<>();        for (int i = 0; i < provinces.length; i++) {            Map<String,Object> map=new HashMap<>();            map.put("title",provinces[i]);            map.put("image",images[i]);            list.add(map);        }        SimpleAdapter adapterSpinner=new SimpleAdapter(this,list,android.R.layout.activity_list_item,new String[]{"title","image"},new int[]{android.R.id.text1,android.R.id.icon});        s_main_spinner.setAdapter(adapterSpinner);        s_main_spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {            @Override            public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {                Toast.makeText(MainActivity.this, provinces[i], Toast.LENGTH_SHORT).show();            }            @Override            public void onNothingSelected(AdapterView<?> adapterView) {            }        });    }