AutoCompleteTextView :是一个输入框,只不过多了一个自动填充功能
1 自动填充控件
<AutoCompleteTextView android:id="@+id/autoComplete" android:layout_width="fill_parent" android:layout_height="wrap_content"/>
2 初始化自动填充的控件
//自动填充 private static final String[] COUNTRIES = {"China","Russia","Germany", "Ukraine","Belarus","USA","China1","China2","USA1"}; //初始化创建 自动补充的 文本框 private void initAutoComplete(){ //创建一个ArrayAdapter ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line,COUNTRIES); AutoCompleteTextView autoComplete = (AutoCompleteTextView) findViewById( R.id.autoComplete); //将AutoCompleteTextView与ArrayAdapter进行绑定 autoComplete.setAdapter(adapter); //设置AutoCompleteTextView输入1个字符就进行提示 autoComplete.setThreshold(1); }