Android 中的 Spinner 選單
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專案下載：SpinnerTest.zip 執行結果 檔案：SpinnerTest.javapackage ccc.android; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; public class SpinnerTest extends Activity { TextView mTextView; Spinner mSpinner; /** Called when the activity is first created. */ static final String[] mDaysList=new String[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thorsday", "Friday", "Saturday" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTextView = (TextView) findViewById(R.id.TextViewDay); mSpinner = (Spinner) findViewById(R.id.SpinnerDays); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, mDaysList); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mSpinner.setAdapter(adapter); mSpinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub mTextView.setText(mDaysList[arg2]); arg0.setVisibility(View.VISIBLE); } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }); } } 檔案：res/layout/main.xml<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/TextViewDay" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Spinner android:id="@+id/SpinnerDays" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" /> </LinearLayout> |
page revision: 1, last edited: 01 Dec 2010 07:10
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