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kunfei 5 years ago
parent 03f3a3c3fa
commit d6e50f8284
4 changed files with 2 additions and 459 deletions
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  1. 226
      app/src/main/java/io/legado/app/ui/filechooser/utils/DateUtils.java
  2. 3
      app/src/main/java/io/legado/app/ui/filechooser/utils/FileUtils.kt
  3. 71
      app/src/main/java/io/legado/app/ui/filechooser/utils/ScreenUtils.java
  4. 161
      app/src/main/java/io/legado/app/ui/filechooser/utils/StorageUtils.java

226
app/src/main/java/io/legado/app/ui/filechooser/utils/DateUtils.java
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@ -1,226 +0,0 @@
package io.legado.app.ui.filechooser.utils;
import androidx.annotation.IntDef;
import androidx.annotation.NonNull;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Locale;
/**
* 日期时间工具类
*
* @author 李玉江[QQ:1023694760]
* @since 2015/8/5
*/
public class DateUtils extends android.text.format.DateUtils {
public static final int Second = 0;
public static final int Minute = 1;
public static final int Hour = 2;
public static final int Day = 3;
@IntDef(value = {Second, Minute, Hour, Day})
@Retention(RetentionPolicy.SOURCE)
public @interface DifferenceMode {
}
public static long calculateDifferentSecond(Date startDate, Date endDate) {
return calculateDifference(startDate, endDate, Second);
}
public static long calculateDifferentMinute(Date startDate, Date endDate) {
return calculateDifference(startDate, endDate, Minute);
}
public static long calculateDifferentHour(Date startDate, Date endDate) {
return calculateDifference(startDate, endDate, Hour);
}
public static long calculateDifferentDay(Date startDate, Date endDate) {
return calculateDifference(startDate, endDate, Day);
}
public static long calculateDifferentSecond(long startTimeMillis, long endTimeMillis) {
return calculateDifference(startTimeMillis, endTimeMillis, Second);
}
public static long calculateDifferentMinute(long startTimeMillis, long endTimeMillis) {
return calculateDifference(startTimeMillis, endTimeMillis, Minute);
}
public static long calculateDifferentHour(long startTimeMillis, long endTimeMillis) {
return calculateDifference(startTimeMillis, endTimeMillis, Hour);
}
public static long calculateDifferentDay(long startTimeMillis, long endTimeMillis) {
return calculateDifference(startTimeMillis, endTimeMillis, Day);
}
/**
* 计算两个时间戳之间相差的时间戳数
*/
public static long calculateDifference(long startTimeMillis, long endTimeMillis, @DifferenceMode int mode) {
return calculateDifference(new Date(startTimeMillis), new Date(endTimeMillis), mode);
}
/**
* 计算两个日期之间相差的时间戳数
*/
public static long calculateDifference(Date startDate, Date endDate, @DifferenceMode int mode) {
long[] different = calculateDifference(startDate, endDate);
if (mode == Minute) {
return different[2];
} else if (mode == Hour) {
return different[1];
} else if (mode == Day) {
return different[0];
} else {
return different[3];
}
}
private static long[] calculateDifference(Date startDate, Date endDate) {
return calculateDifference(endDate.getTime() - startDate.getTime());
}
private static long[] calculateDifference(long differentMilliSeconds) {
long secondsInMilli = 1000;//1s==1000ms
long minutesInMilli = secondsInMilli * 60;
long hoursInMilli = minutesInMilli * 60;
long daysInMilli = hoursInMilli * 24;
long elapsedDays = differentMilliSeconds / daysInMilli;
differentMilliSeconds = differentMilliSeconds % daysInMilli;
long elapsedHours = differentMilliSeconds / hoursInMilli;
differentMilliSeconds = differentMilliSeconds % hoursInMilli;
long elapsedMinutes = differentMilliSeconds / minutesInMilli;
differentMilliSeconds = differentMilliSeconds % minutesInMilli;
long elapsedSeconds = differentMilliSeconds / secondsInMilli;
return new long[]{elapsedDays, elapsedHours, elapsedMinutes, elapsedSeconds};
}
/**
* 计算每月的天数
*/
public static int calculateDaysInMonth(int month) {
return calculateDaysInMonth(0, month);
}
/**
* 根据年份及月份计算每月的天数
*/
public static int calculateDaysInMonth(int year, int month) {
// 添加大小月月份并将其转换为list,方便之后的判断
String[] bigMonths = {"1", "3", "5", "7", "8", "10", "12"};
String[] littleMonths = {"4", "6", "9", "11"};
List<String> bigList = Arrays.asList(bigMonths);
List<String> littleList = Arrays.asList(littleMonths);
// 判断大小月及是否闰年,用来确定"日"的数据
if (bigList.contains(String.valueOf(month))) {
return 31;
} else if (littleList.contains(String.valueOf(month))) {
return 30;
} else {
if (year <= 0) {
return 29;
}
// 是否闰年
if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
return 29;
} else {
return 28;
}
}
}
/**
* 月日时分秒，0-9前补0
*/
@NonNull
public static String fillZero(int number) {
return number < 10 ? "0" + number : "" + number;
}
/**
* 截取掉前缀0以便转换为整数
*
* @see #fillZero(int)
*/
public static int trimZero(@NonNull String text) {
try {
if (text.startsWith("0")) {
text = text.substring(1);
}
return Integer.parseInt(text);
} catch (NumberFormatException e) {
return 0;
}
}
/**
* 功能：判断日期是否和当前date对象在同一天。
* 参见：http://www.cnblogs.com/myzhijie/p/3330970.html
*
* @param date 比较的日期
* @return boolean 如果在返回true，否则返回false。
*/
public static boolean isSameDay(Date date) {
if (date == null) {
throw new IllegalArgumentException("date is null");
}
Calendar nowCalendar = Calendar.getInstance();
Calendar newCalendar = Calendar.getInstance();
newCalendar.setTime(date);
return (nowCalendar.get(Calendar.ERA) == newCalendar.get(Calendar.ERA) &&
nowCalendar.get(Calendar.YEAR) == newCalendar.get(Calendar.YEAR) &&
nowCalendar.get(Calendar.DAY_OF_YEAR) == newCalendar.get(Calendar.DAY_OF_YEAR));
}
/**
* 将yyyy-MM-dd HH:mm:ss字符串转换成日期<br/>
*
* @param dateStr 时间字符串
* @param dataFormat 当前时间字符串的格式。
* @return Date 日期 ,转换异常时返回null。
*/
public static Date parseDate(String dateStr, String dataFormat) {
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(dataFormat, Locale.PRC);
Date date = dateFormat.parse(dateStr);
return new Date(date.getTime());
} catch (ParseException e) {
return null;
}
}
/**
* 将yyyy-MM-dd HH:mm:ss字符串转换成日期<br/>
*
* @param dateStr yyyy-MM-dd HH:mm:ss字符串
* @return Date 日期 ,转换异常时返回null。
*/
public static Date parseDate(String dateStr) {
return parseDate(dateStr, "yyyy-MM-dd HH:mm:ss");
}
/**
* 将指定的日期转换为一定格式的字符串
*/
public static String formatDate(Date date, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.PRC);
return sdf.format(date);
}
/**
* 将当前日期转换为一定格式的字符串
*/
public static String formatDate(String format) {
return formatDate(Calendar.getInstance(Locale.CHINA).getTime(), format);
}
}

3
app/src/main/java/io/legado/app/ui/filechooser/utils/FileUtils.kt
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@ -4,6 +4,7 @@ import android.webkit.MimeTypeMap
import androidx.annotation.IntDef import androidx.annotation.IntDef
import java.io.* import java.io.*
import java.nio.charset.Charset import java.nio.charset.Charset
import java.text.SimpleDateFormat
import java.util.* import java.util.*
import java.util.regex.Pattern import java.util.regex.Pattern
@ -522,7 +523,7 @@ object FileUtils {
fun getDateTime(file: File, format: String): String { fun getDateTime(file: File, format: String): String {
val cal = Calendar.getInstance() val cal = Calendar.getInstance()
cal.timeInMillis = file.lastModified() cal.timeInMillis = file.lastModified()
return DateUtils.formatDate(cal.time, format) return SimpleDateFormat(format, Locale.PRC).format(cal.time)
} }
/** /**

71
app/src/main/java/io/legado/app/ui/filechooser/utils/ScreenUtils.java
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@ -1,71 +0,0 @@
package io.legado.app.ui.filechooser.utils;
import android.app.Activity;
import android.content.Context;
import android.util.DisplayMetrics;
import android.view.Window;
import android.view.WindowManager;
/**
* 获取屏幕宽高等信息、全屏切换、保持屏幕常亮、截屏等
*
* @author liyujiang[QQ:1032694760]
* @since 2015/11/26
*/
public final class ScreenUtils {
private static boolean isFullScreen = false;
private static DisplayMetrics dm = null;
public static DisplayMetrics displayMetrics(Context context) {
if (null != dm) {
return dm;
}
DisplayMetrics dm = new DisplayMetrics();
WindowManager windowManager = (WindowManager) context
.getSystemService(Context.WINDOW_SERVICE);
windowManager.getDefaultDisplay().getMetrics(dm);
return dm;
}
public static int widthPixels(Context context) {
return displayMetrics(context).widthPixels;
}
public static int heightPixels(Context context) {
return displayMetrics(context).heightPixels;
}
public static float density(Context context) {
return displayMetrics(context).density;
}
public static int densityDpi(Context context) {
return displayMetrics(context).densityDpi;
}
public static boolean isFullScreen() {
return isFullScreen;
}
public static void toggleFullScreen(Activity activity) {
Window window = activity.getWindow();
int flagFullscreen = WindowManager.LayoutParams.FLAG_FULLSCREEN;
if (isFullScreen) {
window.clearFlags(flagFullscreen);
isFullScreen = false;
} else {
window.setFlags(flagFullscreen, flagFullscreen);
isFullScreen = true;
}
}
/**
* 保持屏幕常亮
*/
public static void keepBright(Activity activity) {
//需在setContentView前调用
int keepScreenOn = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
activity.getWindow().setFlags(keepScreenOn, keepScreenOn);
}
}

161
app/src/main/java/io/legado/app/ui/filechooser/utils/StorageUtils.java
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@ -1,161 +0,0 @@
package io.legado.app.ui.filechooser.utils;
import android.content.Context;
import android.os.Environment;
import android.text.TextUtils;
import java.io.File;
import java.io.IOException;
/**
* 存储设备工具类
* <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
* <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
*
* @author 李玉江[QQ:1023694760]
* @since 2013-11-2
*/
public final class StorageUtils {
/**
* 判断外置存储是否可用
*
* @return the boolean
*/
public static boolean externalMounted() {
String state = Environment.getExternalStorageState();
if (state.equals(Environment.MEDIA_MOUNTED)) {
return true;
}
return false;
}
/**
* 返回以“/”结尾的内部存储根目录
*/
public static String getInternalRootPath(Context context, String type) {
File file;
if (TextUtils.isEmpty(type)) {
file = context.getFilesDir();
} else {
file = new File(FileUtils.INSTANCE.separator(context.getFilesDir().getAbsolutePath()) + type);
//noinspection ResultOfMethodCallIgnored
file.mkdirs();
}
String path = "";
if (file != null) {
path = FileUtils.INSTANCE.separator(file.getAbsolutePath());
}
return path;
}
public static String getInternalRootPath(Context context) {
return getInternalRootPath(context, null);
}
/**
* 返回以“/”结尾的外部存储根目录，外置卡不可用则返回空字符串
*/
public static String getExternalRootPath(String type) {
File file = null;
if (externalMounted()) {
file = Environment.getExternalStorageDirectory();
}
if (file != null && !TextUtils.isEmpty(type)) {
file = new File(file, type);
//noinspection ResultOfMethodCallIgnored
file.mkdirs();
}
String path = "";
if (file != null) {
path = FileUtils.INSTANCE.separator(file.getAbsolutePath());
}
return path;
}
public static String getExternalRootPath() {
return getExternalRootPath(null);
}
/**
* 各种类型的文件的专用的保存路径，以“/”结尾
*
* @return 诸如：/mnt/sdcard/Android/data/[package]/files/[type]/
*/
public static String getExternalPrivatePath(Context context, String type) {
File file = null;
if (externalMounted()) {
file = context.getExternalFilesDir(type);
}
//高频触发java.lang.NullPointerException，是SD卡不可用或暂时繁忙么？
String path = "";
if (file != null) {
path = FileUtils.INSTANCE.separator(file.getAbsolutePath());
}
return path;
}
public static String getExternalPrivatePath(Context context) {
return getExternalPrivatePath(context, null);
}
/**
* 下载的文件的保存路径，必须为外部存储，以“/”结尾
*
* @return 诸如 ：/mnt/sdcard/Download/
*/
public static String getDownloadPath() throws RuntimeException {
File file;
if (externalMounted()) {
file = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
} else {
throw new RuntimeException("外置存储不可用！");
}
return FileUtils.INSTANCE.separator(file.getAbsolutePath());
}
/**
* 各种类型的文件的专用的缓存存储保存路径，优先使用外置存储，以“/”结尾
*/
public static String getCachePath(Context context, String type) {
File file;
if (externalMounted()) {
file = context.getExternalCacheDir();
} else {
file = context.getCacheDir();
}
if (!TextUtils.isEmpty(type)) {
file = new File(file, type);
//noinspection ResultOfMethodCallIgnored
file.mkdirs();
}
String path = "";
if (file != null) {
path = FileUtils.INSTANCE.separator(file.getAbsolutePath());
}
return path;
}
public static String getCachePath(Context context) {
return getCachePath(context, null);
}
/**
* 返回以“/”结尾的临时存储目录
*/
public static String getTempDirPath(Context context) {
return getExternalPrivatePath(context, "temporary");
}
/**
* 返回临时存储文件路径
*/
public static String getTempFilePath(Context context) {
try {
return File.createTempFile("lyj_", ".tmp", context.getCacheDir()).getAbsolutePath();
} catch (IOException e) {
return getTempDirPath(context) + "lyj.tmp";
}
}
}
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