<Spinner            android:id="@+id/spinner1"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:entries="@array/spinner_name"            android:prompt="@string/hello_world" />

<?xml version="1.0" encoding="utf-8"?><resources>    <string-array name="spinner_name">        <item>Mercury</item>        <item>Venus</item>        <item>Earth</item>        <item>Mars</item>        <item>Jupiter</item>        <item>Saturn</item>        <item>Uranus</item>        <item>Neptune</item>    </string-array></resources>

 1     public void showSpinner() { 2         Spinner spinner = (Spinner) findViewById(R.id.spinner2); 3         //The simple_spinner_item layout is provided by the platform and is the default layout you should use unless you‘d like to define your own layout for the spinner‘s appearance.         SpinnerAdapter spinnerAdapter = ArrayAdapter.createFromResource(FormActivity.this, R.array.spinner_name,android.R.layout.simple_spinner_item); 8         

　　 　　　　　// Specify the layout to use when the list of choices appears | Sets the layout resource to create the drop down views.
　　　 　　　　spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

  9         spinner.setAdapter(spinnerAdapter);10         spinner.setOnItemSelectedListener(new OnItemSelectedListener() {19 20             @Override21             public void onItemSelected(AdapterView<?> parent, View view,22                     int position, long id) {23                 // TODO Auto-generated method stub24 25                 Log.i(TAG,26                         "showSpinner : onItemSelected "27                                 + ((TextView) view).getText() + ":position "28                                 + id);29             }30 31             @Override32             public void onNothingSelected(AdapterView<?> parent) {33                 // TODO Auto-generated method stub34                 Log.i(TAG, "showSpinner : onNothingSelected ");35             }36         });37 38     }