autocompletetextviewdemo

 

 

 

strings.mxlL:

 

<resources>
    <string name="app_name">autocompletetextviewdemo</string>
    <string-array name="country">
        <item>Afghanistan</item>
        <item>Alanian</item>
        <item>Algeria</item>
        <item>American</item>
        <item>Andorra</item>
        <item>Anguilla</item>
    </string-array>

</resources>

activity_main.xml::

 

<AutoCompleteTextView
    android:id="@+id/auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:completionThreshold="1"
    android:completionHint="请选择一个国家"
     />

 

mainActicvity.java:

 

 

public class MainActivity extends AppCompatActivity {
    private AutoCompleteTextView autoview;
    // Used to load the 'native-lib' library on application startup.
    static {
        System.loadLibrary("native-lib");
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        autoview=(AutoCompleteTextView)findViewById(R.id.auto);
        String[] countrys=getResources().getStringArray(R.array.country);
        ArrayAdapter<String> adapter=new ArrayAdapter<String> (MainActivity.this,android.R.layout.simple_list_item_1,countrys);
        autoview.setAdapter(adapter);

        //表示当AutoCompleteTextView控件中莫一项被点击的监听事件
        autoview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                String str=parent.getItemAtPosition(position).toString();
                Toast.makeText(MainActivity.this,"当前选中了"+str,Toast.LENGTH_SHORT).show();
            }
        });
    }

    /**
     * A native method that is implemented by the 'native-lib' native library,
     * which is packaged with this application.
     */
    public native String stringFromJNI();
}