UI控件--AutoCompleteTextView

AutoCompleteTextView

<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。。。"/>

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);

}
}