android 关于Spinner 相关例子

效果图

public class MainActivity extends Activity {int[] drawableIds = { R.drawable.football, R.drawable.basketball,R.drawable.volleyball };// 所有资源字符串 (足球、篮球、排球) id的数组int[] msgIds = { R.string.zp, R.string.lq, R.string.pq };// 修改系统自带Spinner 的字体 大小 和颜色private Spinner mSpinner;private ArrayAdapter<String> mAdapter;private String[] mStringArray;private Spinner provinceSpinner = null; // 省级（省、直辖市）private Spinner citySpinner = null; // 地级市private Spinner countySpinner = null; // 县级（区、县、县级市）ArrayAdapter<String> provinceAdapter = null; // 省级适配器ArrayAdapter<String> cityAdapter = null; // 地级适配器ArrayAdapter<String> countyAdapter = null; // 县级适配器static int provincePosition = 3;private String[] province = new String[] { "北京", "上海", "天津", "广东" };// ,"重庆","黑龙江","江苏","山东","浙江","香港","澳门"};// 地级选项值private String[][] city = new String[][] {{ "东城区", "西城区", "崇文区", "宣武区", "朝阳区", "海淀区", "丰台区", "石景山区", "门头沟区","房山区", "通州区", "顺义区", "大兴区", "昌平区", "平谷区", "怀柔区", "密云县","延庆县" },{ "长宁区", "静安区", "普陀区", "闸北区", "虹口区" },{ "和平区", "河东区", "河西区", "南开区", "河北区", "红桥区", "塘沽区", "汉沽区", "大港区","东丽区" }, { "广州", "深圳", "韶关" // ,"珠海","汕头","佛山","湛江","肇庆","江门","茂名","惠州","梅州",// "汕尾","河源","阳江","清远","东莞","中山","潮州","揭阳","云浮"} };// 县级选项值private String[][][] county = new String[][][] { { // 北京{ "无" }, { "无" }, { "无" }, { "无" }, { "无" }, { "无" }, { "无" },{ "无" }, { "无" }, { "无" }, { "无" }, { "无" }, { "无" },{ "无" }, { "无" }, { "无" }, { "无" }, { "无" } }, { // 上海{ "无" }, { "无" }, { "无" }, { "无" }, { "无" } }, { // 天津{ "无" }, { "无" }, { "无" }, { "无" }, { "无" }, { "无" }, { "无" },{ "无" }, { "无" }, { "无" } }, { // 广东{ "海珠区", "荔湾区", "越秀区", "白云区", "萝岗区", "天河区", "黄埔区", "花都区","从化市", "增城市", "番禺区", "南沙区" }, // 广州{ "宝安区", "福田区", "龙岗区", "罗湖区", "南山区", "盐田区" }, // 深圳{ "武江区", "浈江区", "曲江区", "乐昌市", "南雄市", "始兴县", "仁化县", "翁源县","新丰县", "乳源县" } // 韶关} };@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);// 图文SpinnerInitImageSpinner();InitTextSpinner(); setSpinner();}private void InitTextSpinner() {mSpinner = (Spinner) findViewById(R.id.Spinner02);mStringArray = getResources().getStringArray(R.array.groups);// 使用自定义的ArrayAdaptermAdapter = new TestArrayAdapter(MainActivity.this, mStringArray);// 设置下拉列表风格(这句不些也行)// mAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);mSpinner.setAdapter(mAdapter);// 监听Item选中事件mSpinner.setOnItemSelectedListener(new ItemSelectedListenerImpl());}public void InitImageSpinner() {Spinner spinner = (Spinner) findViewById(R.id.Spinner01);spinner.setAdapter(adapter);spinner.setOnItemSelectedListener(new OnItemSelectedListener() {public void onItemSelected(AdapterView<?> parent, View view,int positon, long id) {LinearLayout ll = (LinearLayout) view;View v = ll.getChildAt(0);// 获取第一个控件ImageViewTextView tv = (TextView) ll.getChildAt(1);// 获取第二个控件TextViewStringBuilder sb = new StringBuilder();sb.append(getResources().getText(R.string.ys)).append(":").append(tv.getText());tv.setText(sb.toString());}@Overridepublic void onNothingSelected(AdapterView<?> parent) {// TODO Auto-generated method stub}});}/** * Spinner的Adapter * */private BaseAdapter adapter = new BaseAdapter() {public int getCount() {return drawableIds.length;}public Object getItem(int position) {return drawableIds[position];}public long getItemId(int position) {return position;}public View getView(int position, View convertView, ViewGroup parent) {LinearLayout ll = new LinearLayout(MainActivity.this);ll.setOrientation(LinearLayout.HORIZONTAL);ll.setPadding(20, 20, 20, 20);ImageView iv = new ImageView(MainActivity.this);iv.setImageResource(drawableIds[position]);ll.addView(iv);TextView tv = new TextView(MainActivity.this);tv.setText(msgIds[position]);// 设置内容tv.setTextSize(24);tv.setTextColor(Color.BLACK);ll.addView(tv);return ll;}};@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}private class ItemSelectedListenerImpl implements OnItemSelectedListener {@Overridepublic void onItemSelected(AdapterView<?> parent, View view,int position, long id) {// TODO Auto-generated method stub}@Overridepublic void onNothingSelected(AdapterView<?> parent) {// TODO Auto-generated method stub}} private void setSpinner()    {                provinceSpinner = (Spinner)findViewById(R.id.spin_province);        citySpinner = (Spinner)findViewById(R.id.spin_city);        countySpinner = (Spinner)findViewById(R.id.spin_county);        //绑定适配器和值        provinceAdapter = new ArrayAdapter<String>(MainActivity.this,                android.R.layout.simple_spinner_item, province);        provinceSpinner.setAdapter(provinceAdapter);        provinceSpinner.setSelection(3,true);  //设置默认选中项，此处为默认选中第4个值        cityAdapter = new ArrayAdapter<String>(MainActivity.this,                 android.R.layout.simple_spinner_item, city[3]);        citySpinner.setAdapter(cityAdapter);        citySpinner.setSelection(0,true);  //默认选中第0个        countyAdapter = new ArrayAdapter<String>(MainActivity.this,                android.R.layout.simple_spinner_item, county[3][0]);        countySpinner.setAdapter(countyAdapter);        countySpinner.setSelection(0, true);                //省级下拉框监听        provinceSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()        {            // 表示选项被改变的时候触发此方法，主要实现办法：动态改变地级适配器的绑定值            @Override            public void onItemSelected(AdapterView<?> arg0, View arg1, int position, long arg3)            {                //position为当前省级选中的值的序号                //将地级适配器的值改变为city[position]中的值                cityAdapter = new ArrayAdapter<String>(                        MainActivity.this, android.R.layout.simple_spinner_item, city[position]);                // 设置二级下拉列表的选项内容适配器                citySpinner.setAdapter(cityAdapter);                provincePosition = position;    //记录当前省级序号，留给下面修改县级适配器时用            }            @Override            public void onNothingSelected(AdapterView<?> arg0)            {            }        });                //地级下拉监听        citySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()        {            @Override            public void onItemSelected(AdapterView<?> arg0, View arg1,                    int position, long arg3)            {                countyAdapter = new ArrayAdapter<String>(MainActivity.this,                        android.R.layout.simple_spinner_item, county[provincePosition][position]);                countySpinner.setAdapter(countyAdapter);            }            @Override            public void onNothingSelected(AdapterView<?> arg0)            {            }        });    }}

public class TestArrayAdapter extends ArrayAdapter<String> {    private Context mContext;    private String [] mStringArray;    public TestArrayAdapter(Context context, String[] stringArray) {        super(context, android.R.layout.simple_spinner_item, stringArray);        mContext = context;        mStringArray=stringArray;    }     @Override    public View getDropDownView(int position, View convertView, ViewGroup parent) {        //修改Spinner展开后的字体颜色        if (convertView == null) {            LayoutInflater inflater = LayoutInflater.from(mContext);            convertView = inflater.inflate(R.layout.item, parent,false);        }         //此处text1是Spinner默认的用来显示文字的TextView        TextView tv = (TextView) convertView.findViewById(R.id.textview);        tv.setText(mStringArray[position]);        tv.setTextSize(22f);        tv.setTextColor(Color.RED);         return convertView;     }     @Override    public View getView(int position, View convertView, ViewGroup parent) {        // 修改Spinner选择后结果的字体颜色        if (convertView == null) {            LayoutInflater inflater = LayoutInflater.from(mContext);            convertView = inflater.inflate(android.R.layout.simple_spinner_item, parent, false);        }         //此处text1是Spinner默认的用来显示文字的TextView        TextView tv = (TextView) convertView.findViewById(android.R.id.text1);        tv.setText(mStringArray[position]);        tv.setTextSize(18f);        tv.setTextColor(Color.BLUE);        return convertView;    } }

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