protected void installPackage(String packageLocation) throws Exception { PackageInstaller.SessionParams params = new PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL); int sessionId = mPackageInstaller.createSession(params); mSession = mPackageInstaller.openSession(sessionId); File file = new File(packageLocation); InputStream in = new FileInputStream(file); OutputStream out = mSession.openWrite("SilentPackageInstallerTest", 0, file.length()); byte[] buffer = new byte[65536]; int c; while ((c = in.read(buffer)) != -1) { out.write(buffer, 0, c); } mSession.fsync(out); out.close(); mSession.commit(getCommitCallback(sessionId)); mSession.close(); }