Android Array for Wheel Picker

Android Array for Wheel Picker,第1张

概述大家好,我有一个轮式捡拾器,但目前所有轮式捡拾器的编号都从0-9递增.我希望能够设置值而不是0-9,我希望它是从数组或字符串中提取的单词,因此我可以输入myslef,因为我不确定当前从何处提取数字.代码如下:publicclassPasswActivityextendsActivity{@OverridepublicvoidonC

大家好,我有一个轮式捡拾器,但目前所有轮式捡拾器的编号都从0-9递增.我希望能够设置值而不是0-9,我希望它是从数组或字符串中提取的单词,因此我可以输入myslef,因为我不确定当前从何处提取数字.代码如下:

public class PasswActivity extends Activity {@OverrIDepublic voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.passw_layout);    initWheel(R.ID.passw_1);    initWheel(R.ID.passw_2);    initWheel(R.ID.passw_3);    initWheel(R.ID.passw_4);    button mix = (button)findVIEwByID(R.ID.btn_mix);    mix.setonClickListener(new OnClickListener() {        public voID onClick(VIEw v) {            mixWheel(R.ID.passw_1);            mixWheel(R.ID.passw_2);            mixWheel(R.ID.passw_3);            mixWheel(R.ID.passw_4);        }    });}// Wheel scrolled flagprivate boolean wheelScrolled = false;// Wheel scrolled ListenerOnWheelScrollListener scrolledListener = new OnWheelScrollListener() {    public voID onScrollingStarted(WheelVIEw wheel) {        wheelScrolled = true;    }    public voID onScrollingFinished(WheelVIEw wheel) {        wheelScrolled = false;    }};// Wheel changed Listenerprivate OnWheelChangedListener changedListener = new OnWheelChangedListener() {    public voID onChanged(WheelVIEw wheel, int oldValue, int newValue) {        if (!wheelScrolled) {        }    }};/** * Initializes wheel * @param ID the wheel Widget ID */private voID initWheel(int ID) {    WheelVIEw wheel = getWheel(ID);    wheel.setVIEwAdapter(new NumericWheelAdapter(this, 0, 9));    wheel.setCurrentItem((int)(Math.random() * 10));    wheel.addChangingListener(changedListener);    wheel.addScrollingListener(scrolledListener);    wheel.setCyclic(true);    wheel.setInterpolator(new AnticipateOvershootInterpolator());}/** * Returns wheel by ID * @param ID the wheel ID * @return the wheel with passed ID */private WheelVIEw getWheel(int ID) {    return (WheelVIEw) findVIEwByID(ID);}/** * Tests entered PIN * @param v1 * @param v2 * @param v3 * @param v4 * @return true  */private boolean testPin(int v1, int v2, int v3, int v4) {    return testWheelValue(R.ID.passw_1, v1) && testWheelValue(R.ID.passw_2, v2) &&        testWheelValue(R.ID.passw_3, v3) && testWheelValue(R.ID.passw_4, v4);}/** * Tests wheel value * @param ID the wheel ID * @param value the value to test * @return true if wheel value is equal to passed value */private boolean testWheelValue(int ID, int value) {    return getWheel(ID).getCurrentItem() == value;}/** * Mixes wheel * @param ID the wheel ID */private voID mixWheel(int ID) {    WheelVIEw wheel = getWheel(ID);    wheel.scroll(-25 + (int)(Math.random() * 50), 2000);}}

任何帮助都适用.谢谢

解决方法:

您能否在下面的车轮演示项目中进行参考,它会极大地帮助您解决车轮中的字符串数据问题.

http://code.google.com/p/android-wheel/

public class CitIEsActivity extends Activity {    // Scrolling flag    private boolean scrolling = false;    @OverrIDe    public voID onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.citIEs_layout);        final WheelVIEw country = (WheelVIEw) findVIEwByID(R.ID.country);        country.setVisibleItems(3);        country.setVIEwAdapter(new CountryAdapter(this));        final String citIEs[][] = new String[][] {                        new String[] {"New York", "Washington", "Chicago", "Atlanta", "Orlando"},                        new String[] {"ottawa", "Vancouver", "Toronto", "Windsor", "Montreal"},                        new String[] {"KIEv", "Dnipro", "Lviv", "Kharkiv"},                        new String[] {"Paris", "Bordeaux"},                        };        final WheelVIEw city = (WheelVIEw) findVIEwByID(R.ID.city);        city.setVisibleItems(5);        country.addChangingListener(new OnWheelChangedListener() {                        public voID onChanged(WheelVIEw wheel, int oldValue, int newValue) {                            if (!scrolling) {                                updateCitIEs(city, citIEs, newValue);                            }                        }                });        country.addScrollingListener( new OnWheelScrollListener() {            public voID onScrollingStarted(WheelVIEw wheel) {                scrolling = true;            }            public voID onScrollingFinished(WheelVIEw wheel) {                scrolling = false;                updateCitIEs(city, citIEs, country.getCurrentItem());            }        });        country.setCurrentItem(1);    }    /**     * Updates the city wheel     */    private voID updateCitIEs(WheelVIEw city, String citIEs[][], int index) {        ArrayWheelAdapter<String> adapter =            new ArrayWheelAdapter<String>(this, citIEs[index]);        adapter.setTextSize(18);        city.setVIEwAdapter(adapter);        city.setCurrentItem(citIEs[index].length / 2);            }    /**     * Adapter for countrIEs     */    private class CountryAdapter extends AbstractWheelTextAdapter {        // CountrIEs names        private String countrIEs[] =            new String[] {"USA", "Canada", "Ukraine", "France"};        // CountrIEs flags        private int flags[] =            new int[] {R.drawable.usa, R.drawable.canada, R.drawable.ukraine, R.drawable.france};        /**         * Constructor         */        protected CountryAdapter(Context context) {            super(context, R.layout.country_layout, NO_RESOURCE);            setItemTextResource(R.ID.country_name);        }        @OverrIDe        public VIEw getItem(int index, VIEw cachedVIEw, VIEwGroup parent) {            VIEw vIEw = super.getItem(index, cachedVIEw, parent);            ImageVIEw img = (ImageVIEw) vIEw.findVIEwByID(R.ID.flag);            img.setimageResource(flags[index]);            return vIEw;        }        @OverrIDe        public int getItemsCount() {            return countrIEs.length;        }        @OverrIDe        protected CharSequence getItemText(int index) {            return countrIEs[index];        }    }}
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