在Android中获取星期几最简单的方法是什么?
发布于 2011-04-07 09:05:08
Java Calendar
类可以工作。
Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK);
switch (day) {
case Calendar.SUNDAY:
// Current day is Sunday
break;
case Calendar.MONDAY:
// Current day is Monday
break;
case Calendar.TUESDAY:
// etc.
break;
}
要获得更好的datetime处理,请考虑使用Java 8 time API
String day = LocalDate.now().getDayOfWeek().name()
要使用下面的Android SDK26,你需要在build.gradle中启用Java8去糖化:
android {
defaultConfig {
// Required when setting minSdkVersion to 20 or lower
multiDexEnabled true
}
compileOptions {
// Flag to enable support for the new language APIs
coreLibraryDesugaringEnabled true
// Sets Java compatibility to Java 8
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.9'
}
有关安卓Java8支持的更多信息,请访问:https://developer.android.com/studio/write/java8-support
发布于 2011-04-07 09:07:29
Calendar.getInstance().get(Calendar.DAY_OF_WEEK)
或
new GregorianCalendar().get(Calendar.DAY_OF_WEEK);
和Java一样,Android没有什么特别之处。
发布于 2015-02-13 13:36:54
public String weekdays[] = new DateFormatSymbols(Locale.ITALIAN).getWeekdays();
Calendar c = Calendar.getInstance();
Date date = new Date();
c.setTime(date);
int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
System.out.println(dayOfWeek);
System.out.println(weekdays[dayOfWeek]);
https://stackoverflow.com/questions/5574673
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