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实现动态自动匹配的内容

AutoCompleteTextView 动态匹配输入的内容

AutoCompleteTextView 的特殊属性：

android:completionThreshold=“3” 这是设置输入多少字符时自动匹配

Demo

public class MainActivity extends Activity {

    private AutoCompleteTextView autoCompleteTextView;
    private String[] ar;
    private ArrayAdapter<String> arrayAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        autoCompleteTextView = (AutoCompleteTextView) findViewById(R.id.completeTextView);
        ar = new String[]{"jiayuan", "jiazheng", "chenshi", "chenzheng"};
        arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,ar);
        autoCompleteTextView.setAdapter(arrayAdapter);
    }
}

xml:

<AutoCompleteTextView
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:id="@+id/completeTextView"/>

MultiAutoCompleteTextView 可支持选择多个值（在多次输入的情况下），分别用分隔符分开，并且在每个值选中的时候再次输入值时会自动去匹配，可以用在发短信、发邮件时选择联系人这种类型中。

除了跟AutoCompleteTextView的特殊属性一样之外，MultiAutoCompleteTextView还有设置分隔符这个属性：

private MultiAutoCompleteTextView mt;
mt.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());

Demo

public class MainActivity extends Activity {

    private MultiAutoCompleteTextView multiAutoCompleteTextView;
    private String[] ar;
    private ArrayAdapter<String> arrayAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        multiAutoCompleteTextView = (MultiAutoCompleteTextView) findViewById(R.id.completeTextView);
        ar = new String[]{"jiayuan", "jiazheng", "chenshi", "chenzheng"};
        arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,ar);
        multiAutoCompleteTextView.setAdapter(arrayAdapter);
        multiAutoCompleteTextView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
    }
}

xml:

<MultiAutoCompleteTextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/completeTextView"
        android:hint="请输入"/>