Android JNI bindings for zip-rs, a native rust zip library.
This has significant performance improvements compared to similar libraries written in JVM languages.
- Android 5 - 16 (API 21 - 36)
x86,x86_64,armeabiv7,arm64,riscv64- 4KiB or 16KiB page alignment
repositories {
mavenCentral()
}
dependencies {
implementation("io.github.diamondminer88:zip-android:2.3.1")
}// Open a zip reader from a java.io.File to be read from disk// You can autoclose reader/writer by using .use {} (kotlin) or .close()/try block for javaZipReader(file).use { zip ->"Entry count: ${zip.entryCount}""Entries: ${zip.entryNames.joinToString()}"// Loop over entries
zip.entries().forEach { /* guh */ }
zip.forEach {
"Entry: ${it.name} size: ${it.size} modified: ${it.lastModified}"if (it.isFile) {
"Content: ${it.read().decodeToString()}"
}
}
}
// Open zip reader from an in memory byte arrayZipReader(byteArrayOf(/* ... */)).use { zip ->// Parsed in-memory zip!
}
// Open a zip writer to the specified java.io.File path and overwrite the original file// If you wish to append to an existing zip at that location, set the append parameter to `true`.ZipWriter(file, /* append = */false).use { zip ->
zip.setComment("a comment".toByteArray())
zip.writeEntry("compressed.txt", "hot garbage")
zip.writeEntry("data/compressed_bytes.txt", bytes)
zip.writeDir("com/github/diamondminer88/zip")
zip.deleteEntries("abc.txt", "guh.txt")
zip.deleteEntry("husk.txt")
// Write page-aligned (4096 byte) uncompressed entry (useful for writing zip aligned .so's)
zip.writeEntry("lib.so", bytes, ZipCompression.NONE, 4096)
// Delete entry from central dir, preserving alignment for all existing zip entries// If fillVoid is false, then it un-aligns all entries whose data comes after this one
zip.deleteEntry("lib.so", /* fillVoid = */true)
}
// Start a new in-memory zip fileval newZipBytes =ZipWriter().use { zip ->// ...
zip.toByteArray() // Closes the zip and retrieves the bytes
}
// Open and append to an existing zip from an in memory byte arrayval modifiedZipBytes =ZipWriter(byteArrayOf(/* ... */)).use { zip ->// ...
zip.toByteArray() // Closes the zip and retrieves the modified zip file bytes
}The available compression methods are: Stored (none), Deflate (default), Bzip2, and Zstd.
rustup install nightly && rustup default nightly
rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
3. cargo install --force cargo-ndk