UI控件--AutoCompleteTextView

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AutoCompleteTextView

带有提示的搜索栏
首先在布局文件中添加该控件

<android.support.v7.widget.AppCompatAutoCompleteTextView        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/autoCompleteTextView"        android:hint="请输入要查询的内容。。。"/>

AutoCompleteTextView的使用也是同ArrayAdapter一起,所以基本用法和listView的适配基本一致

public class MainActivity extends AppCompatActivity {    private AutoCompleteTextView textView;    private String[] data={"layout","layout_oo","lay？","laynishi嘛的！！！"};    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        ArrayAdapter<String> arrayAdapter=new ArrayAdapter(getApplicationContext(),android.R.layout.simple_list_item_1,data);        textView= (AutoCompleteTextView) findViewById(R.id.autoCompleteTextView);        textView.setAdapter(arrayAdapter);    }}

效果如图

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