private void installLibrary() { try { if (force_install_library) throw new Exception("forcing install"); // try loading library w/o manual installation log.i("trying to load library " + LIBRARY_NAME + " w/o installation"); System.loadLibrary(LIBRARY_NAME); // try invoke native method // log.i("trying execute native method "); // setHyphenationMethod(HYPH_NONE, new byte[] {}); log.i(LIBRARY_NAME + " loaded successfully"); } catch (Exception ee) { log.i(SO_NAME + " not found using standard paths, will install manually"); File sopath = mActivity.getDir("libs", Context.MODE_PRIVATE); File soname = new File(sopath, SO_NAME); try { sopath.mkdirs(); File zip = new File(mActivity.getPackageCodePath()); ZipFile zipfile = new ZipFile(zip); ZipEntry zipentry = zipfile.getEntry("lib/armeabi/" + SO_NAME); if (!soname.exists() || zipentry.getSize() != soname.length()) { InputStream is = zipfile.getInputStream(zipentry); OutputStream os = new FileOutputStream(soname); Log.i("cr3", "Installing JNI library " + soname.getAbsolutePath()); final int BUF_SIZE = 0x10000; byte[] buf = new byte[BUF_SIZE]; int n; while ((n = is.read(buf)) > 0) os.write(buf, 0, n); is.close(); os.close(); } else { log.i("JNI library " + soname.getAbsolutePath() + " is up to date"); } System.load(soname.getAbsolutePath()); // setHyphenationMethod(HYPH_NONE, new byte[] {}); } catch (Exception e) { log.e("cannot install " + LIBRARY_NAME + " library", e); } } }