41 lines
1.7 KiB
Plaintext
41 lines
1.7 KiB
Plaintext
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All the files in this directory are copied from stock android. The following
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files:
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JniConstants.cpp
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JNIHelp.cpp
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ALog-priv.h
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are copied in from Android's libnativehelper module (altogether less than 1000
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lines of code). The remainder are from the core framework (directory
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/frameworks/base/core/jni).
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Notes on changes:
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The ashmem_XXX() interfaces are used for the various "xxxForBlobDescriptor()"
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API functions. The code in libcutils for this seems to be platform
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dependent - some platforms have kernel support, others have a user space
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implementation. So these functions are not supported for now.
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The original SQLiteConnection.cpp uses AndroidRuntime::genJNIEnv() to obtain a
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pointer to the current threads environment. Changed to store a pointer to the
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process JavaVM (Android allows only one) as a global variable. Then retrieve
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the JNIEnv as needed using GetEnv().
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Replaced uses of class String8 with std::string in SQLiteConnection.cpp and a
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few other places.
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The stock Android code to populate CursorWindow containers with the results of
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a SELECT statement uses a C++ interface that is not available to NDK builds. So
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this code is rewritten to call the CursorWindow java interface via JNI methods.
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This is the largest source code change. See function
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nativeExecuteForCursorWindow() in file android_database_SQLiteConnection.cpp
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for details.
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The "LOCALIZED" collation and some miscellaneous user-functions added by the
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sqlite3_android.cpp module are not included. A collation called LOCALIZED
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that is equivalent to BINARY is added instead to keep various things working.
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This should not cause serious problems - class SQLiteConnection always
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runs "REINDEX LOCALIZED" immediately after opening a connection.
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