A Java function to use in a UiAutomator test to find out whether the Android keyboard is open or not

isKeyboardDisplayed.java

    public boolean isKeyboardDisplayed() {
        String checkKeyboardCommand = "dumpsys input_method | grep mInputShown";
        try {
            Process process = Runtime.getRuntime().exec(checkKeyboardCommand);
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            int read;
            char[] buffer = new char[4096];
            StringBuffer output = new StringBuffer();
            while ((read = reader.read(buffer)) > 0) {
                output.append(buffer, 0, read);
            }
            reader.close();
            process.waitFor();

            if (output.toString().contains("mInputShown=true")) {
                return true;
            } else {
                return false;
            }

        } catch (IOException e) {
            throw new RuntimeException(e);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }