Android：控件Spinner、getResources、setDropDownViewResource、setOnItemSelect...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 public class MainActivity extends Activity { /** * 1.XML文件配置： * 添加弹出对话框的标题： android:prompt="@string/spinnername1" * 2.Adapter的布局：android.R.layout.simple_spinner_item * resource设置结果显示框的布局:new ArrayAdapter(context, resource, textViewResourceId) * 3.点击事件：s1.setOnItemSelectedListener * 4.设置弹出对话框的行布局： * adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); * * 5.得到资源文件:Resources res = getResources() * 6.通过资源id获取资源文件的内容：String[] arrStr = res.getStringArray(R.array.colors) * */ @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_main); Spinner spinner1 = (Spinner) findViewById(R.id.spinner1); Resources res = getResources(); String[] arrStr = res.getStringArray(R.array.colors); ArrayAdapter<String> adapter = new ArrayAdapter<String>( this , R.layout.spinnertextview, arrStr); /** * 1.APIdemo的原写法： * ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource( this, R.array.colors, android.R.layout.simple_spinner_item); * 2.ArrayAdapter.createFromResource * 此方法将R.array.colors这个字符串数组文件的内容得到(通过id得到资源，通过方法得到内容) */ adapter.setDropDownViewResource(R.layout.spinnercheckeditem); spinner1.setAdapter(adapter); spinner1.setOnItemSelectedListener( new OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { Toast.makeText(MainActivity. this , "Spinner1: position=" + position + " id=" + id, Toast.LENGTH_SHORT).show(); } @Override public void onNothingSelected(AdapterView<?> parent) { Toast.makeText(MainActivity. this , "Spinner1: unselected" , Toast.LENGTH_SHORT).show(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true ; } } 本文转自 glblong 51CTO博客，原文链接：http://blog.51cto.com/glblong/1203966，如需转载请自行联系原作者
