android enum value
I recommend you to use emen's method name and valueof for simplicity. your Color will be like this: public enum Color Undefined , Red, ..., Each value in an ENUM is an object and each declaration will take some runtime memory simply to reference the object. So ENUM values will take more memory then Integer or String constant. Even in old android devices (<=2.2), there were some performanc, Android中當你的App啟動後系統會給App單獨分配一塊內存。 ... 使用Enums表示狀態public static enum Value VALUE1, VALUE2, VALUE3}.,(The value returned by this method may differ from the one returned by the Object#getClass method for enum constants with constant-specific class bodies.) ... ,Obviously this all falls apart if your 'value' isn't the same value as the enum ordinal. ... If you require integer values to match enum fields, extend the enum class: public enum ..... And I have used it with System Preferences in Android lik, You'd need to make the enum expose value somehow, e.g. public enum Tax NONE(0), SALES(10), IMPORT(5); private final int value; private Tax(int ..... A somewhat different approach (at least on Android) is to use the IntDef ...,up vote 829 down vote. Another solution if the text is not the same to the enumeration value: ..... edit2 On android you should use Locale.US , as sulai points out. , Actually, java enums are a pretty handy object. You can add properties, even methods, if you want. To assign properties, just add the value as ..., public enum RPCPacketDataType PT_UNKNOWN(2), PT_JSON(4), PT_BINARY(5); RPCPacketDataType (int i) this.type = i; } private int type ..., Where on earth did you find this syntax? Java Enums are very simple, you just specify the values. public enum Gender MALE, FEMALE }.
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 android enum value 相關參考資料
Android enum: set enum programatically from integer value - Stack ...
I recommend you to use emen's method name and valueof for simplicity. your Color will be like this: public enum Color Undefined , Red, ... https://stackoverflow.com Android Performance: Avoid using ENUM on Android ...
Each value in an ENUM is an object and each declaration will take some runtime memory simply to reference the object. So ENUM values will take more memory then Integer or String constant. Even in old... https://android.jlelse.eu Android中是否推薦使用枚舉Enum - 每日頭條
Android中當你的App啟動後系統會給App單獨分配一塊內存。 ... 使用Enums表示狀態public static enum Value VALUE1, VALUE2, VALUE3}. https://kknews.cc Enum | Android Developers
(The value returned by this method may differ from the one returned by the Object#getClass method for enum constants with constant-specific class bodies.) ... https://developer.android.com get enum name from enum value - Stack Overflow
Obviously this all falls apart if your 'value' isn't the same value as the enum ordinal. ... If you require integer values to match enum fields, extend the enum class: public enum ..... An... https://stackoverflow.com How to convert enum value to int? - Stack Overflow
You'd need to make the enum expose value somehow, e.g. public enum Tax NONE(0), SALES(10), IMPORT(5); private final int value; private Tax(int ..... A somewhat different approach (at least on An... https://stackoverflow.com How to get an enum value from a string value in Java? - Stack Overflow
up vote 829 down vote. Another solution if the text is not the same to the enumeration value: ..... edit2 On android you should use Locale.US , as sulai points out. https://stackoverflow.com Java Enum with numeric values - Stack Overflow
Actually, java enums are a pretty handy object. You can add properties, even methods, if you want. To assign properties, just add the value as ... https://stackoverflow.com Set Value to Enum - Java - Stack Overflow
public enum RPCPacketDataType PT_UNKNOWN(2), PT_JSON(4), PT_BINARY(5); RPCPacketDataType (int i) this.type = i; } private int type ... https://stackoverflow.com Working with Enums in android - Stack Overflow
Where on earth did you find this syntax? Java Enums are very simple, you just specify the values. public enum Gender MALE, FEMALE }. https://stackoverflow.com |