- public static int dip2px(Context context, float dpValue) {
- final float scale = context.getResources().getDisplayMetrics().density;
- return (int) (dpValue * scale + 0.5f);
- }
- public static int px2dip(Context context, float pxValue) {
- final float scale = context.getResources().getDisplayMetrics().density;
- return (int) (pxValue / scale + 0.5f);
- }
- public static int px2sp(Context context, float pxValue) {
- final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
- return (int) (pxValue / fontScale + 0.5f);
- }
- public static int sp2px(Context context, float spValue) {
- final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
- return (int) (spValue * fontScale + 0.5f);
- }
- public static final String REG_PHONE_CHINA = "^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";
- public static final String REG_EMAIL = "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*";
- // 把一个毫秒数转化成时间字符串
- // 格式为小时/分/秒/毫秒(如:24903600 –> 06小时55分03秒600毫秒)
- /**
- * @param millis
- * 要转化的毫秒数。
- * @param isWhole
- * 是否强制全部显示小时/分/秒/毫秒。
- * @param isFormat
- * 时间数字是否要格式化,如果true:少位数前面补全;如果false:少位数前面不补全。
- * @return 返回时间字符串:小时/分/秒/毫秒的格式(如:24903600 --> 06小时55分03秒600毫秒)。
- */
- public static String millisToString(long millis, boolean isWhole, boolean isFormat) {
- String h = "";
- String m = "";
- String s = "";
- String mi = "";
- if (isWhole) {
- h = isFormat ? "00小时" : "0小时";
- m = isFormat ? "00分" : "0分";
- s = isFormat ? "00秒" : "0秒";
- mi = isFormat ? "00毫秒" : "0毫秒";
- }
- long temp = millis;
- long hper = 60 * 60 * 1000;
- long mper = 60 * 1000;
- long sper = 1000;
- if (temp / hper > 0) {
- if (isFormat) {
- h = temp / hper < 10 ? "0" + temp / hper : temp / hper + "";
- } else {
- h = temp / hper + "";
- }
- h += "小时";
- }
- temp = temp % hper;
- if (temp / mper > 0) {
- if (isFormat) {
- m = temp / mper < 10 ? "0" + temp / mper : temp / mper + "";
- } else {
- m = temp / mper + "";
- }
- m += "分";
- }
- temp = temp % mper;
- if (temp / sper > 0) {
- if (isFormat) {
- s = temp / sper < 10 ? "0" + temp / sper : temp / sper + "";
- } else {
- s = temp / sper + "";
- }
- s += "秒";
- }
- temp = temp % sper;
- mi = temp + "";
- if (isFormat) {
- if (temp < 100 && temp >= 10) {
- mi = "0" + temp;
- }
- if (temp < 10) {
- mi = "00" + temp;
- }
- }
- mi += "毫秒";
- return h + m + s + mi;
- }
- // 格式为小时/分/秒/毫秒(如:24903600 –> 06小时55分03秒)。
- /**
- *
- * @param millis
- * 要转化的毫秒数。
- * @param isWhole
- * 是否强制全部显示小时/分/秒/毫秒。
- * @param isFormat
- * 时间数字是否要格式化,如果true:少位数前面补全;如果false:少位数前面不补全。
- * @return 返回时间字符串:小时/分/秒/毫秒的格式(如:24903600 --> 06小时55分03秒)。
- */
- public static String millisToStringMiddle(long millis, boolean isWhole, boolean isFormat) {
- return millisToStringMiddle(millis, isWhole, isFormat, "小时", "分钟", "秒");
- }
- public static String millisToStringMiddle(long millis, boolean isWhole, boolean isFormat, String hUnit, String mUnit, String sUnit) {
- String h = "";
- String m = "";
- String s = "";
- if (isWhole) {
- h = isFormat ? "00" + hUnit : "0" + hUnit;
- m = isFormat ? "00" + mUnit : "0" + mUnit;
- s = isFormat ? "00" + sUnit : "0" + sUnit;
- }
- long temp = millis;
- long hper = 60 * 60 * 1000;
- long mper = 60 * 1000;
- long sper = 1000;
- if (temp / hper > 0) {
- if (isFormat) {
- h = temp / hper < 10 ? "0" + temp / hper : temp / hper + "";
- } else {
- h = temp / hper + "";
- }
- h += hUnit;
- }
- temp = temp % hper;
- if (temp / mper > 0) {
- if (isFormat) {
- m = temp / mper < 10 ? "0" + temp / mper : temp / mper + "";
- } else {
- m = temp / mper + "";
- }
- m += mUnit;
- }
- temp = temp % mper;
- if (temp / sper > 0) {
- if (isFormat) {
- s = temp / sper < 10 ? "0" + temp / sper : temp / sper + "";
- } else {
- s = temp / sper + "";
- }
- s += sUnit;
- }
- return h + m + s;
- }
- // 把一个毫秒数转化成时间字符串。格式为小时/分/秒/毫秒(如:24903600 –> 06小时55分钟)
- /**
- *
- * @param millis
- * 要转化的毫秒数。
- * @param isWhole
- * 是否强制全部显示小时/分。
- * @param isFormat
- * 时间数字是否要格式化,如果true:少位数前面补全;如果false:少位数前面不补全。
- * @return 返回时间字符串:小时/分/秒/毫秒的格式(如:24903600 --> 06小时55分钟)。
- */
- public static String millisToStringShort(long millis, boolean isWhole, boolean isFormat) {
- String h = "";
- String m = "";
- if (isWhole) {
- h = isFormat ? "00小时" : "0小时";
- m = isFormat ? "00分钟" : "0分钟";
- }
- long temp = millis;
- long hper = 60 * 60 * 1000;
- long mper = 60 * 1000;
- long sper = 1000;
- if (temp / hper > 0) {
- if (isFormat) {
- h = temp / hper < 10 ? "0" + temp / hper : temp / hper + "";
- } else {
- h = temp / hper + "";
- }
- h += "小时";
- }
- temp = temp % hper;
- if (temp / mper > 0) {
- if (isFormat) {
- m = temp / mper < 10 ? "0" + temp / mper : temp / mper + "";
- } else {
- m = temp / mper + "";
- }
- m += "分钟";
- }
- return h + m;
- }
- // 把日期毫秒转化为字符串
- /**
- * @param millis
- * 要转化的日期毫秒数。
- * @param pattern
- * 要转化为的字符串格式(如:yyyy-MM-dd HH:mm:ss)。
- * @return 返回日期字符串。
- */
- public static String millisToStringDate(long millis, String pattern) {
- SimpleDateFormat format = new SimpleDateFormat(pattern, Locale.getDefault());
- return format.format(new Date(millis));
- }
- // 把日期毫秒转化为字符串(文件名)
- /**
- * @param millis
- * 要转化的日期毫秒数。
- * @param pattern
- * 要转化为的字符串格式(如:yyyy-MM-dd HH:mm:ss)。
- * @return 返回日期字符串(yyyy_MM_dd_HH_mm_ss)。
- */
- public static String millisToStringFilename(long millis, String pattern) {
- String dateStr = millisToStringDate(millis, pattern);
- return dateStr.replaceAll("[- :]", "_");
- }
- // 转换当前时间为易用时间格式
- // 1小时内用,多少分钟前; 超过1小时,显示时间而无日期; 如果是昨天,则显示昨天 超过昨天再显示日期; 超过1年再显示年。
- public static long oneHourMillis = 60 * 60 * 1000; // 一小时的毫秒数
- public static long oneDayMillis = 24 * oneHourMillis; // 一天的毫秒数
- public static long oneYearMillis = 365 * oneDayMillis; // 一年的毫秒数
- public static String millisToLifeString(long millis) {
- long now = System.currentTimeMillis();
- long todayStart = string2Millis(millisToStringDate(now, "yyyy-MM-dd"), "yyyy-MM-dd");
- // 一小时内
- if (now - millis <= oneHourMillis && now - millis > 0l) {
- String m = millisToStringShort(now - millis, false, false);
- return "".equals(m) ? "1分钟内" : m + "前";
- }
- // 大于今天开始开始值,小于今天开始值加一天(即今天结束值)
- if (millis >= todayStart && millis <= oneDayMillis + todayStart) {
- return "今天 " + millisToStringDate(millis, "HH:mm");
- }
- // 大于(今天开始值减一天,即昨天开始值)
- if (millis > todayStart - oneDayMillis) {
- return "昨天 " + millisToStringDate(millis, "HH:mm");
- }
- long thisYearStart = string2Millis(millisToStringDate(now, "yyyy"), "yyyy");
- // 大于今天小于今年
- if (millis > thisYearStart) {
- return millisToStringDate(millis, "MM月dd日 HH:mm");
- }
- return millisToStringDate(millis, "yyyy年MM月dd日 HH:mm");
- }
- // 字符串解析成毫秒数
- public static long string2Millis(String str, String pattern) {
- SimpleDateFormat format = new SimpleDateFormat(pattern, Locale.getDefault());
- long millis = 0;
- try {
- millis = format.parse(str).getTime();
- } catch (ParseException e) {
- Log.e("TAG", e.getMessage());
- }
- return millis;
- }
- public static Properties collectDeviceInfo(Context context) {
- Properties mDeviceCrashInfo = new Properties();
- try {
- PackageManager pm = context.getPackageManager();
- PackageInfo pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
- if (pi != null) {
- mDeviceCrashInfo.put(VERSION_NAME, pi.versionName == null ? "not set" : pi.versionName);
- mDeviceCrashInfo.put(VERSION_CODE, pi.versionCode);
- }
- } catch (PackageManager.NameNotFoundException e) {
- Log.e(TAG, "Error while collect package info", e);
- }
- Field[] fields = Build.class.getDeclaredFields();
- for (Field field : fields) {
- try {
- field.setAccessible(true);
- mDeviceCrashInfo.put(field.getName(), field.get(null));
- } catch (Exception e) {
- Log.e(TAG, "Error while collect crash info", e);
- }
- }
- return mDeviceCrashInfo;
- }
- public static String collectDeviceInfoStr(Context context) {
- Properties prop = collectDeviceInfo(context);
- Set deviceInfos = prop.keySet();
- StringBuilder deviceInfoStr = new StringBuilder("{\n");
- for (Iterator iter = deviceInfos.iterator(); iter.hasNext();) {
- Object item = iter.next();
- deviceInfoStr.append("\t\t\t" + item + ":" + prop.get(item) + ", \n");
- }
- deviceInfoStr.append("}");
- return deviceInfoStr.toString();
- }
- public static boolean haveSDCard() {
- return android.os.Environment.getExternalStorageState().equals(
- android.os.Environment.MEDIA_MOUNTED);
- }
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static void hideSoftInput(Activity activity) {
- View view = activity.getWindow().peekDecorView();
- if (view != null) {
- InputMethodManager inputmanger = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
- inputmanger.hideSoftInputFromWindow(view.getWindowToken(), 0);
- }
- }
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static void hideSoftInput(Context context, EditText edit) {
- edit.clearFocus();
- InputMethodManager inputmanger = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
- inputmanger.hideSoftInputFromWindow(edit.getWindowToken(), 0);
- }
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static void showSoftInput(Context context, EditText edit) {
- edit.setFocusable(true);
- edit.setFocusableInTouchMode(true);
- edit.requestFocus();
- InputMethodManager inputManager = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
- inputManager.showSoftInput(edit, 0);
- }
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static void toggleSoftInput(Context context, EditText edit) {
- edit.setFocusable(true);
- edit.setFocusableInTouchMode(true);
- edit.requestFocus();
- InputMethodManager inputManager = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
- inputManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
- }
- public static void goHome(Context context) {
- Intent mHomeIntent = new Intent(Intent.ACTION_MAIN);
- mHomeIntent.addCategory(Intent.CATEGORY_HOME);
- mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
- context.startActivity(mHomeIntent);
- }
- // 注意,要在onWindowFocusChanged中调用,在onCreate中获取高度为0
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static int getStatusBarHeight(Activity activity) {
- Rect frame = new Rect();
- activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
- return frame.top;
- }
- // (注意,如果没有ActionBar,那么获取的高度将和上面的是一样的,只有状态栏的高度)
- public static int getTopBarHeight(Activity activity) {
- return activity.getWindow().findViewById(Window.ID_ANDROID_CONTENT).getTop();
- }
- // 仅当用户已在网络注册时有效, CDMA 可能会无效(中国移动:46000 46002, 中国联通:46001,中国电信:46003)
- public static String getNetworkOperator(Context context) {
- TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- return telephonyManager.getNetworkOperator();
- }
- // (例:中国联通、中国移动、中国电信) 仅当用户已在网络注册时有效, CDMA 可能会无效)
- public static String getNetworkOperatorName(Context context) {
- TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- return telephonyManager.getNetworkOperatorName();
- }
- // PHONE_TYPE_NONE :0 手机制式未知
- // PHONE_TYPE_GSM :1 手机制式为GSM,移动和联通
- // PHONE_TYPE_CDMA :2 手机制式为CDMA,电信
- // PHONE_TYPE_SIP:3
- public static int getPhoneType(Context context) {
- TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- return telephonyManager.getPhoneType();
- }
- // 联通的3G为UMTS或HSDPA,移动和联通的2G为GPRS或EGDE,电信的2G为CDMA,电信的3G为EVDO
- public class Constants {
- /**
- * Unknown network class
- */
- public static final int NETWORK_CLASS_UNKNOWN = 0;
- /**
- * wifi net work
- */
- public static final int NETWORK_WIFI = 1;
- /**
- * "2G" networks
- */
- public static final int NETWORK_CLASS_2_G = 2;
- /**
- * "3G" networks
- */
- public static final int NETWORK_CLASS_3_G = 3;
- /**
- * "4G" networks
- */
- public static final int NETWORK_CLASS_4_G = 4;
- }
- public static int getNetWorkClass(Context context) {
- TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- switch (telephonyManager.getNetworkType()) {
- case TelephonyManager.NETWORK_TYPE_GPRS:
- case TelephonyManager.NETWORK_TYPE_EDGE:
- case TelephonyManager.NETWORK_TYPE_CDMA:
- case TelephonyManager.NETWORK_TYPE_1xRTT:
- case TelephonyManager.NETWORK_TYPE_IDEN:
- return Constants.NETWORK_CLASS_2_G;
- case TelephonyManager.NETWORK_TYPE_UMTS:
- case TelephonyManager.NETWORK_TYPE_EVDO_0:
- case TelephonyManager.NETWORK_TYPE_EVDO_A:
- case TelephonyManager.NETWORK_TYPE_HSDPA:
- case TelephonyManager.NETWORK_TYPE_HSUPA:
- case TelephonyManager.NETWORK_TYPE_HSPA:
- case TelephonyManager.NETWORK_TYPE_EVDO_B:
- case TelephonyManager.NETWORK_TYPE_EHRPD:
- case TelephonyManager.NETWORK_TYPE_HSPAP:
- return Constants.NETWORK_CLASS_3_G;
- case TelephonyManager.NETWORK_TYPE_LTE:
- return Constants.NETWORK_CLASS_4_G;
- default:
- return Constants.NETWORK_CLASS_UNKNOWN;
- }
- }
- // 需要用到上面的方法
- public static int getNetWorkStatus(Context context) {
- int netWorkType = Constants.NETWORK_CLASS_UNKNOWN;
- ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
- NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
- if (networkInfo != null && networkInfo.isConnected()) {
- int type = networkInfo.getType();
- if (type == ConnectivityManager.TYPE_WIFI) {
- netWorkType = Constants.NETWORK_WIFI;
- } else if (type == ConnectivityManager.TYPE_MOBILE) {
- netWorkType = getNetWorkClass(context);
- }
- }
- return netWorkType;
- }
- public static void call(Context context, String phoneNumber) {
- context.startActivity(new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + phoneNumber)));
- }
- public static void callDial(Context context, String phoneNumber) {
- context.startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phoneNumber)));
- }
- public static void sendSms(Context context, String phoneNumber, String content) {
- Uri uri = Uri.parse("smsto:" + (TextUtils.isEmpty(phoneNumber) ? "" : phoneNumber));
- Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
- intent.putExtra("sms_body", TextUtils.isEmpty(content) ? "" : content);
- context.startActivity(intent);
- }
- public static void wakeUpAndUnlock(Context context) {
- KeyguardManager km = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
- KeyguardManager.KeyguardLock kl = km.newKeyguardLock("unLock");
- // 解锁
- kl.disableKeyguard();
- // 获取电源管理器对象
- PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
- // 获取PowerManager.WakeLock对象,后面的参数|表示同时传入两个值,最后的是LogCat里用的Tag
- PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.SCREEN_DIM_WAKE_LOCK, "bright");
- // 点亮屏幕
- wl.acquire();
- // 释放
- wl.release();
- }
- //需要添加权限
- <uses-permission android:name="android.permission.WAKE_LOCK" />
- <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
- public static boolean isApplicationBackground(final Context context) {
- ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
- @ SuppressWarnings("deprecation")
- List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
- if (!tasks.isEmpty()) {
- ComponentName topActivity = tasks.get(0).topActivity;
- if (!topActivity.getPackageName().equals(context.getPackageName())) {
- return true;
- }
- }
- return false;
- }
- //需要添加权限
- <uses-permission
- android:name="android.permission.GET_TASKS" />
- public static boolean isSleeping(Context context) {
- KeyguardManager kgMgr = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
- boolean isSleeping = kgMgr.inKeyguardRestrictedInputMode();
- return isSleeping;
- }
- public static boolean isOnline(Context context) {
- ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Activity.CONNECTIVITY_SERVICE);
- NetworkInfo info = manager.getActiveNetworkInfo();
- if (info != null && info.isConnected()) {
- return true;
- }
- return false;
- }
- public static boolean isWifiConnected(Context context) {
- ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
- NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
- if (wifiNetworkInfo.isConnected()) {
- return true;
- }
- return false;
- }
- public static void installApk(Context context, File file) {
- Intent intent = new Intent();
- intent.setAction("android.intent.action.VIEW");
- intent.addCategory("android.intent.category.DEFAULT");
- intent.setType("application/vnd.android.package-archive");
- intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
- intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
- context.startActivity(intent);
- }
- public static boolean isPhone(Context context) {
- TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- if (telephony.getPhoneType() == TelephonyManager.PHONE_TYPE_NONE) {
- return false;
- } else {
- return true;
- }
- }
- @ SuppressWarnings("deprecation")
- public static int getDeviceWidth(Context context) {
- WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
- return manager.getDefaultDisplay().getWidth();
- }
- @ SuppressWarnings("deprecation")
- public static int getDeviceHeight(Context context) {
- WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
- return manager.getDefaultDisplay().getHeight();
- }
- @ TargetApi(Build.VERSION_CODES.CUPCAKE)
- public static String getDeviceIMEI(Context context) {
- String deviceId;
- if (isPhone(context)) {
- TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
- deviceId = telephony.getDeviceId();
- } else {
- deviceId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
- }
- return deviceId;
- }
- public static String getMacAddress(Context context) {
- String macAddress;
- WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
- WifiInfo info = wifi.getConnectionInfo();
- macAddress = info.getMacAddress();
- if (null == macAddress) {
- return "";
- }
- macAddress = macAddress.replace(":", "");
- return macAddress;
- }
- public static String getAppVersion(Context context) {
- String version = "0";
- try {
- version = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
- } catch (PackageManager.NameNotFoundException e) {
- e.printStackTrace();
- }
- return version;
- }
来源: http://www.phpxs.com/code/1001870/