安卓app_sl3_17列表选择框Spinner
获取选中额选项的值。
array name="ctype"> - 身份证
- 学生证
- 军人证
- 工作证
- 其他
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.example.sl3_17.MainActivity" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="30dp" android:text="@string/hello_world" /> <Spinner android:id="@+id/spinner1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@+id/textView1" android:entries="@array/ctype" />
package com.example.sl3_17; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.Spinner; import android.widget.Toast; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final Spinner spinner=(Spinner)findViewById(R.id.spinner1); spinner.setOnItemSelectedListener(new OnItemSelectedListener(){ @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { // TODO 自动生成的方法存根 //Toast.makeText(MainActivity.this, spinner.getSelectedItem().toString(),Toast.LENGTH_SHORT).show(); String result=parent.getItemAtPosition(position).toString(); Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show(); } @Override public void onNothingSelected(AdapterView<?> parent) { // TODO 自动生成的方法存根 } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }