關鍵程式碼：

 Thread t=new Thread(new Runnable() {
       @Override
        public void run() {
            while (true){
                try {
                    Thread.sleep(100);
                    if(Debug.isDebuggerConnected()){
                        System.exit(0);
                    }

                    if
 
(isUnderTraced()){
                        System.exit(0);
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    },"SafeGuardThread");
    t.start();

 private boolean isUnderTraced() {
        String processStatusFilePath = String.format(Locale.US,  "/proc/%d/status"
 
, android.os.Process.myPid());
        File procInfoFile = new File(processStatusFilePath);
        try {
            BufferedReader b = new BufferedReader(new FileReader(procInfoFile));
            String readLine;
            while ((readLine = b.readLine()) != null) {
                if(readLine.contains("TracerPid"
 
)) {
                    String[] arrays = readLine.split(":");
                    if(arrays.length == 2) {
                        int tracerPid = Integer.parseInt(arrays[1].trim());
                        if(tracerPid != 0) {
                            return true;
                        }
                    }
                }
            }

            b.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

        return false;
    }