i suspect my helloworld in java doesn't work on gingerbread because
dalvik doesn't support UTF-8 charset.
i did observe UnsupportedCharsetExpception raised .
/*in Charset.java*/
try {
return Charset.forName(encoding);
} catch (UnsupportedCharsetException e) {
return Charset.forName("UTF-8");
}
According to javadoc, UTF-8 is one of builtin charsets. why it is not
in libcore? i searched the whole tree of gingerbread and didn't find a
subclass of CharsetProvider. guys in google must clean up libcore/icu
because i found the following fact:
Comparing to the directories of icu4jni for both cupcake and
gingerbread:
CUPCAKE:
[liuxin@rd14 icu]$ find
.
./src
./src/main
./src/main/java
./src/main/java/com
./src/main/java/com/ibm
./src/main/java/com/ibm/icu4jni
./src/main/java/com/ibm/icu4jni/lang
./src/main/java/com/ibm/icu4jni/lang/UCharacter.java
./src/main/java/com/ibm/icu4jni/text
./src/main/java/com/ibm/icu4jni/text/NativeDecimalFormat.java
./src/main/java/com/ibm/icu4jni/text/NativeCollation.java
./src/main/java/com/ibm/icu4jni/text/CollationAttribute.java
./src/main/java/com/ibm/icu4jni/text/RuleBasedBreakIterator.java
./src/main/java/com/ibm/icu4jni/text/DecimalFormatSymbols.java
./src/main/java/com/ibm/icu4jni/text/RuleBasedCollator.java
./src/main/java/com/ibm/icu4jni/text/Collator.java
./src/main/java/com/ibm/icu4jni/text/NativeBreakIterator.java
./src/main/java/com/ibm/icu4jni/text/DecimalFormat.java
./src/main/java/com/ibm/icu4jni/text/BreakIterator.java
./src/main/java/com/ibm/icu4jni/text/CollationKey.java
./src/main/java/com/ibm/icu4jni/text/CollationElementIterator.java
./src/main/java/com/ibm/icu4jni/text/RuleBasedNumberFormat.java
./src/main/java/com/ibm/icu4jni/charset
./src/main/java/com/ibm/icu4jni/charset/NativeConverter.java
./src/main/java/com/ibm/icu4jni/charset/CharsetEncoderICU.java
./src/main/java/com/ibm/icu4jni/charset/CharsetICU.java
./src/main/java/com/ibm/icu4jni/charset/CharsetProviderICU.java
./src/main/java/com/ibm/icu4jni/charset/CharsetDecoderICU.java
./src/main/java/com/ibm/icu4jni/common
./src/main/java/com/ibm/icu4jni/common/ErrorCode.java
./src/main/java/com/ibm/icu4jni/util
./src/main/java/com/ibm/icu4jni/util/Resources.java
./src/main/java/com/ibm/icu4jni/regex
./src/main/java/com/ibm/icu4jni/regex/NativeRegEx.java
./src/main/native
./src/main/native/ResourceInterface.cpp
./src/main/native/ErrorCode.h
./src/main/native/RegExInterface.cpp
./src/main/native/DecimalFormatInterface.cpp
./src/main/native/sub.mk
./src/main/native/BidiWrapperInterface.c
./src/main/native/ConverterInterface.c.orig
./src/main/native/CharacterInterface.c
./src/main/native/CollationInterface.h
./src/main/native/ConverterInterface.h
./src/main/native/CollationInterface.c
./src/main/native/RBNFInterface.cpp
./src/main/native/BreakIteratorInterface.c
./src/main/native/ConverterInterface.c
./src/main/native/ErrorCode.c
./src/main/native/BidiWrapperInterface.h
./unicode-license.txt
./license.html
./MODULE_LICENSE_BSD_LIKE
GINGERBREAD:
[liuxin@rd14 icu]$ find
.
./src
./src/main
./src/main/java
./src/main/java/com
./src/main/java/com/ibm
./src/main/java/com/ibm/icu4jni
./src/main/java/com/ibm/icu4jni/ThirdPartyProject.prop
clearly, gingerbread ditched icu4jni for some reasons. anyway, how i
can bring icu4jni back on gingerbread?
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