开发常见工具类

来源：互联网发布：python celery安装编辑：程序博客网时间：2024/05/22 12:03

/**
* 日期操作
*/
public class DateUtil {
private static final String[] weekDayStrings = {“日”, “一”, “二”, “三”, “四”, “五”, “六”};

public static final String DATETIME_PATTERN_1_1 = "yyyy-MM-dd HH:mm:ss.SSS";public static final String DATETIME_PATTERN_2_1 = "yyyy-MM-dd HH:mm";public static final String DATETIME_PATTERN_2_2 = "yyyy/MM/dd HH:mm";public static final String DATETIME_PATTERN_2_3 = "yyyy年MM月dd日 HH:mm";public static final String DATETIME_PATTERN_3_1 = "yyyy-MM-dd";public static final String DATETIME_PATTERN_3_2 = "yyyy/MM/dd";public static final String DATETIME_PATTERN_3_3 = "yyyy年MM月dd日";public static final String DATETIME_PATTERN_3_4 = "yyyyMMdd";public static final String DATETIME_PATTERN_4_1 = "yyyy";public static final String DATETIME_PATTERN_5_1 = "MM-dd";public static final String DATETIME_PATTERN_6_1 = "yyyy-MM-dd HH:mm:ss";/** * 获取任意一段时间内的简单日历,主要包含日期和星期对应关系 * * @param startDay 起始日期 * @param endDay   结束日期 * @return 二维数组, <br>星期/日期 */public static String[][] getWeekDays(Calendar startDay, Calendar endDay) {    ArrayList<String[]> weekDays = new ArrayList<>();    Calendar tempStart = (Calendar) startDay.clone();    while (endDay.compareTo(tempStart) == 1) {        String[] arr = new String[2];        arr[0] = weekDayStrings[tempStart.get(Calendar.DAY_OF_WEEK) - 1];        arr[1] = String.valueOf(tempStart.get(Calendar.DAY_OF_MONTH));        weekDays.add(arr);        tempStart.add(Calendar.DAY_OF_YEAR, 1);    }    return (weekDays.toArray(new String[0][0]));}public static String getFormatTime(String datetime, String pattern, String pattern_new) {    if (datetime != null && datetime.trim().length() > 0) {        try {            Date date = new SimpleDateFormat(pattern).parse(datetime);            SimpleDateFormat dateFormat = new SimpleDateFormat(pattern_new);            return dateFormat.format(date);        } catch (ParseException e) {            e.printStackTrace();            return null;        }    } else {        return null;    }}/** * 获取星期几 * * @return */public static String getWeek() {    Calendar cal = Calendar.getInstance();    int i = cal.get(Calendar.DAY_OF_WEEK);    switch (i) {        case 1:            return "星期日";        case 2:            return "星期一";        case 3:            return "星期二";        case 4:            return "星期三";        case 5:            return "星期四";        case 6:            return "星期五";        case 7:            return "星期六";        default:            return "";    }}public static String getWeekOfDate(Date dt, Calendar calendar) {    String[] weekDays = {"周日", "周一", "周二", "周三", "周四", "周五", "周六"};    calendar.setTime(dt);    int w = calendar.get(Calendar.DAY_OF_WEEK) - 1;    if (w < 0)        w = 0;    return weekDays[w];}/** * 判断是白天还是晚上 * * @return 白天返回 true ; 晚上 返回false */public static boolean isDayOrNight(Context context) {    //获得内容提供者

// ContentResolver mResolver = context.getContentResolver();
//获得系统时间制
// String timeFormat = android.provider.Settings.System.getString(mResolver, android.provider.Settings.System.TIME_12_24);
// if (timeFormat.equals(“24”)) {
boolean hourFormat = DateFormat.is24HourFormat(context);
//判断时间制
if (hourFormat) {
//24小时制
SimpleDateFormat df = new SimpleDateFormat(“HH:mm:ss”);//设置日期格式
String time = df.format(new Date());
int hour = Integer.parseInt(time.substring(0, 2));
if (hour >= 6 && hour < 18) { //白天
return true;
} else {
return false;
}
} else {
//12小时制
//获得日历
Calendar mCalendar = Calendar.getInstance();
if (mCalendar.get(Calendar.AM_PM) == Calendar.AM) {
//白天
if(mCalendar.get(Calendar.HOUR)>=6){
return true;
}else{
return false;
}
}else{
if(mCalendar.get(Calendar.HOUR)<6){
return true;
}else{
//晚
return false;
}

        }    }}public static String getCurrentTime() {    SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");    Date curDate = new Date(System.currentTimeMillis());//获取当前时间    return formatter.format(curDate);}/** * 将字符串转为时间戳 * @param user_time "2010年12月08日11时17分00秒" * @return */public static String getTime(String user_time) {    String re_time = null;    SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日HH时mm分ss秒");    Date d;    try {        d = sdf.parse(user_time);        long l = d.getTime();        String str = String.valueOf(l);        re_time = str.substring(0, 10);    } catch (ParseException e) {        e.printStackTrace();    }    return re_time;}/** * 将yyyy年MM月dd日格式时间转换成毫秒值 * @param time * @return */public static long getLongTime(String time){    long l = 0;    SimpleDateFormat sdf = new SimpleDateFormat(DATETIME_PATTERN_3_1);    Date d;    try {        d = sdf.parse(time);        l =  d.getTime();    } catch (ParseException e) {        e.printStackTrace();    }    return l;}/** * 将毫秒值转换成yyyy年MM月dd日格式 * @param ms * @return */public static String getStringTime(long ms) {    SimpleDateFormat formatter = new SimpleDateFormat(DATETIME_PATTERN_3_1);    Date curDate = new Date(ms);//获取当前时间    return formatter.format(curDate);}/** * 将yyyy-MM-dd hh:mm:ss 格式时间转换成毫秒值 * @param time * @return */public static long parseLongTime(String time){    long l = 0;    SimpleDateFormat sdf = new SimpleDateFormat(DATETIME_PATTERN_6_1);    Date d;    try {        d = sdf.parse(time);        l =  d.getTime();    } catch (ParseException e) {        e.printStackTrace();    }    return l;}/** * 将毫秒值转换成yyyy-MM-dd hh:mm:ss 格式 * @param ms * @return */public static String parseStrTime(long ms) {    SimpleDateFormat formatter = new SimpleDateFormat(DATETIME_PATTERN_6_1);    Date curDate = new Date(ms);//获取当前时间    return formatter.format(curDate);}

}

/**
* sp工具类
*/
public class SharePreferencesUtil {
public static final String DEFAULT_SHARE_NODE = “followup_sharepreference”;

public static void saveInt(String node, String key, int value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putInt(key, value);    editor.commit();}public static void saveInt(String key, int value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putInt(key, value);    editor.commit();}public static void saveBoolean(String node, String key, boolean value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putBoolean(key, value);    editor.commit();}public static void saveBoolean(String key, boolean value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putBoolean(key, value);    editor.commit();}public static void saveString(String node, String key, String value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putString(key, value);    editor.commit();}public static void saveString(String key, String value) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    SharedPreferences.Editor editor = sp.edit();    editor.putString(key, value);    editor.commit();}public static int getInt(String node, String key, int defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    return sp.getInt(key, defaultvalue);}public static int getInt(String key, int defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    return sp.getInt(key, defaultvalue);}public static boolean getBoolean(String node, String key, boolean defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    return sp.getBoolean(key, defaultvalue);}public static boolean getBoolean(String key, boolean defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    return sp.getBoolean(key, defaultvalue);}public static String getString(String node, String key, String defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(node, Context.MODE_PRIVATE);    return sp.getString(key, defaultvalue);}public static String getString(String key, String defaultvalue) {    SharedPreferences sp = BaseApplication.getAppContext().getSharedPreferences(DEFAULT_SHARE_NODE, Context.MODE_PRIVATE);    return sp.getString(key, defaultvalue);}

}

/**
* @Description String 处理类
*/
public class StringUtil {
/**
* 金额转换为小数点后两位
* @param money
* @return
*/
public static String formatMoney(String money) {
if (TextUtils.isEmpty(money)) {
return “0.00”;
} else {
if(isNumber(money)) {
return String.format(“%.2f”, Double.valueOf(money));
}else {
return money;
}
}
}
/**
* 判断字符串是否是整数
*/
public static boolean isInteger(String value) {
try {
Integer.parseInt(value);
return true;
} catch (NumberFormatException e) {
return false;
}
}

/** * 判断字符串是否是浮点数 */public static boolean isDouble(String value) {    try {        Double.parseDouble(value);        if (value.contains("."))            return true;        return false;    } catch (NumberFormatException e) {        return false;    }}/** * 判断字符串是否是数字 */public static boolean isNumber(String value) {    return isInteger(value) || isDouble(value);}

}

/**
* dip转换px
*/
public class UIUtils
{

public static Context getContext(){    return BaseApplication.getInstance();}public static Thread getMainThread(){    return BaseApplication.getMainThread();}public static long getMainThreadId(){    return BaseApplication.getMainThreadId();}public static int getScreenHight(){    final float scale = getContext().getResources().getDisplayMetrics().heightPixels;    return (int) scale;}/** dip转换px */public static int dp2px(int dip){    final float scale = getContext().getResources().getDisplayMetrics().density;    return (int) (dip * scale + 0.5f);}/** pxz转换dip */public static int px2dp(int px){    final float scale = getContext().getResources().getDisplayMetrics().density;    return (int) (px / scale + 0.5f);}/** 获取主线程的handler */public static Handler getHandler(){    return BaseApplication.getMainThreadHandler();}/** 延时在主线程执行runnable */public static boolean postDelayed(Runnable runnable, long delayMillis){    return getHandler().postDelayed(runnable, delayMillis);}/** 在主线程执行runnable */public static boolean post(Runnable runnable){    return getHandler().post(runnable);}/** 从主线程looper里面移除runnable */public static void removeCallbacks(Runnable runnable){    getHandler().removeCallbacks(runnable);}public static View inflate(int resId){    return LayoutInflater.from(getContext()).inflate(resId, null);}/** 获取资源 */public static Resources getResources(){    return getContext().getResources();}/** 获取文字 */public static String getString(int resId){    return getResources().getString(resId);}/** 获取文字数组 */public static String[] getStringArray(int resId){    return getResources().getStringArray(resId);}/** 获取dimen */public static int getDimens(int resId){    return getResources().getDimensionPixelSize(resId);}/** 获取drawable */public static Drawable getDrawable(int resId){    return getResources().getDrawable(resId);}/** 获取颜色 */public static int getColor(int resId){    return getResources().getColor(resId);}/** 获取颜色选择器 */public static ColorStateList getColorStateList(int resId){    return getResources().getColorStateList(resId);}// 判断当前的线程是不是在主线程public static boolean isRunInMainThread(){    return android.os.Process.myTid() == getMainThreadId();}public static void runInMainThread(Runnable runnable){    if (isRunInMainThread())    {        runnable.run();    } else    {        post(runnable);    }}public static void startActivity(Intent intent){

// MainActivity activity = MainActivity.getForegroundActivity();
// if (activity != null)
// {
// activity.startActivity(intent);
// } else
// {
// intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
// getContext().startActivity(intent);
// }
}

/** 对toast的简易封装。线程安全，可以在非UI线程调用。 */public static void showToastSafe(final int resId){    showToastSafe(getString(resId));}/** 对toast的简易封装。线程安全，可以在非UI线程调用。 */public static void showToastSafe(final String str){    if (isRunInMainThread())    {        showToast(str);    } else    {        post(new Runnable()        {            @Override            public void run()            {                showToast(str);            }        });    }}private static void showToast(String str){

// MainActivity frontActivity = MainActivity.getForegroundActivity();
// if (frontActivity != null)
// {
// Toast.makeText(frontActivity, str, Toast.LENGTH_SHORT).show();
// }
}

public static void showNormalToast(final int resId){    showToast(getString(resId));}public static void showToast(final int resId){

// MainActivity frontActivity = MainActivity.getForegroundActivity();
// if (frontActivity != null)
// {
// Toast toast = Toast.makeText(getContext(), getString(resId),
// Toast.LENGTH_SHORT);
// toast.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.TOP, 0, UIUtils.dp2px(200));
// toast.show();
// }
}

/** * 判断app是否存活 * @param context * @return */public static boolean isAppAlive(Context context){    ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);    List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(100);    for (ActivityManager.RunningTaskInfo info : list) {        if (info.topActivity.getPackageName().equals(context.getPackageName()) && info.baseActivity.getPackageName().equals(context.getPackageName())) {            return true;        }    }    return false;}

}

/**
* 设备信息工具类,用以获取屏幕分辨率,设备识别号等硬件信息
*/
public class DeviceUtil {
private static int screenWidth = 0;
private static int screenHeight = 0;
private static int statusBarHeight = 0;

public static boolean isTablet = false;/** * 根据手机的分辨率从 dp 的单位 转成为 px(像素) */public static int dip2px(float dpValue) {    final float scale = BaseApplication.getInstance().getResources().getDisplayMetrics().density;    return (int) (dpValue * scale + 0.5f);}/** * 根据手机的分辨率从 px(像素) 的单位 转成为 dp */public static int px2dip(Context context, float pxValue) {    final float scale = context.getResources().getDisplayMetrics().density;    return (int) (pxValue / scale + 0.5f);}public static int sp2px(Context context, float spValue) {    final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;    return (int) (spValue * fontScale + 0.5f);}/** * 获得状态栏高度 * * @return */public static int getStatusBarHeight() {    if (statusBarHeight == 0) {        Class<?> c;        Object obj;        Field field;        int x;        try {            c = Class.forName("com.android.internal.R$dimen");            obj = c.newInstance();            field = c.getField("status_bar_height");            x = Integer.parseInt(field.get(obj).toString());            statusBarHeight = BaseApplication.getInstance().getResources().getDimensionPixelSize(x);        } catch (Exception e1) {            e1.printStackTrace();        }

//
// View view = activity.getWindow().getDecorView();
// Rect rect = new Rect();
// view.getWindowVisibleDisplayFrame(rect);
// statusBarHeight = rect.top;
}
return statusBarHeight;
}

public static int getScreenWidth() {    if (screenWidth == 0) {        screenWidth = BaseApplication.getInstance().getResources().getDisplayMetrics().widthPixels;    }    return screenWidth;}public static DisplayMetrics getDisplayMetrics() {    return BaseApplication.getInstance().getResources().getDisplayMetrics();}public static int getScreenHeight() {    if (screenHeight == 0) {        screenHeight = BaseApplication.getInstance().getResources().getDisplayMetrics().heightPixels;    }    return screenHeight;}public static int getSDKVersion() {    return Build.VERSION.SDK_INT;}/** * 判断是否平板 * * @param context * @return */public static boolean isTablet(Context context) {    DisplayMetrics dm = context.getResources().getDisplayMetrics();    double diagonalPixels = Math.sqrt(Math.pow(dm.widthPixels, 2) + Math.pow(dm.heightPixels, 2));    double screenSize = diagonalPixels / (160 * dm.density);    if (screenSize >= 6) {        return true;    } else {        return false;    }}/** * 判断sdk版本是否高于11.目前关系到属性动画的使用 * * @return */public static boolean isHigherThanSDK11() {    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {        return true;    }    return false;}/** * 获取手机厂商 * * @return */public static String getDeviceManufacturers() {    return Build.MANUFACTURER;}/** * 获取屏幕宽度和高度，单位为px * @param context * @return */public static Point getScreenMetrics(Context context){    DisplayMetrics dm =context.getResources().getDisplayMetrics();    int w_screen = dm.widthPixels;    int h_screen = dm.heightPixels;    AbLogUtil.d( "Screen---Width = " + w_screen + " Height = " + h_screen + " densityDpi = " + dm.densityDpi);    return new Point(w_screen, h_screen);}/** * 获取屏幕长宽比 * @param context * @return */public static float getScreenRate(Context context){    Point P = getScreenMetrics(context);    float H = P.y;    float W = P.x;    return (H/W);}

}

/**
*软键盘管理类
/
public class RstInputMethodManager {
/**
* 隐藏输入框
*
* @param view
*/
public static void hideSoftInput(EditText view) {
hideSoftInput(view.getWindowToken());
}

/** * 隐藏输入框 */public static void hideSoftInput(IBinder windowToken) {    final InputMethodManager imm = (InputMethodManager) BaseApplication.getAppContext().getSystemService(Context.INPUT_METHOD_SERVICE);    final IMMResult result = new IMMResult();    if (null != windowToken) {        imm.hideSoftInputFromWindow(windowToken, 0, result);    }}/** * 显示 输入框 * * @param view */public static void showSoftInput(EditText view) {    final InputMethodManager imm = (InputMethodManager) BaseApplication.getAppContext().getSystemService(Context.INPUT_METHOD_SERVICE);    final IMMResult result = new IMMResult();    imm.showSoftInput(view, 0, result);    view.postDelayed(new Runnable() {        @Override        public void run() {            int res = result.getResult();            if (res != InputMethodManager.RESULT_SHOWN && res != InputMethodManager.RESULT_UNCHANGED_HIDDEN) {                imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);            }        }    }, 500);    view.requestFocus();}public static class IMMResult extends ResultReceiver {    public int result = -1;    public IMMResult() {        super(null);    }    @Override    public void onReceiveResult(int r, Bundle data) {        result = r;    }    public int getResult() {        return result;    }}

}

0 0