Spinner的用法

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<Spinner    android:id="@+id/spTitle"    android:layout_width="100dp"    android:visibility="gone"    android:layout_height="wrap_content"    android:layout_centerHorizontal="true"    android:layout_centerVertical="true"    android:background="@drawable/extview_bg"    android:gravity="center|center_horizontal"    android:spinnerMode="dropdown"     />

private static final String[] sSpiner = {"全部", "热门", "最新", "官方"};private ArrayAdapter<String> adapter;

     adapter = new ArrayAdapter<String>(this, R.layout.spinnerlayout, sSpiner);         //设置下拉列表的风格        adapter.setDropDownViewResource(R.layout.spinnerlayout);        sp.setAdapter(adapter);        sp.setSelection(0);        sp.setOnItemSelectedListener(new SpinnerSelectedListener());

   //使用数组形式操作    class SpinnerSelectedListener implements AdapterView.OnItemSelectedListener {        public void onItemSelected(AdapterView<?> arg0, View view, int position,                                   long arg3) {//            sp.setSelection(position);                    page = 0;            type = position;            Load_data(type);        }        public void onNothingSelected(AdapterView<?> arg0) {        }    }

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