public static void main(String[] args) throws IOException {
if (args.length < 1 || args.length > 2) {
System.out.println("Usage: java -jar signer.jar unsigned.apk [signed.apk]");
return;
}
boolean replace = args.length < 2;
File input = new File(args[0]), output = new File(replace ? args[0] + ".singed.apk" : args[1]);
if (!input.exists() || !input.isFile()) {
System.out.println(
"Error: " + input.getName() + " is not exists! Full path: " + input.getAbsolutePath());
return;
}
if (output.exists()) {
System.out.print("File " + output.getName() + " already exists! Overwrite? [N/y]: ");
int b = System.in.read();
if (b == 'Y' || b == 'y') {
output.delete();
} else {
return;
}
}
sign(input, output);
if (replace) {
input.delete();
output.renameTo(input);
}
}
public static void sign(String input, String output) {
sign(new File(input), new File(output));
}
