public static String intentToString(Intent intent) {
        if (intent == null) {
            return "null";
        }

        StringBuilder b = new StringBuilder(128);
        b.append("Intent { ");
        intentToShortString(intent, b);
        b.append(" }");
        return b.toString();
    }
Intent object to string, the string would be in the format of "Intent { ... }".
android/android_framework/base/src/main/java/com/elvishew/xlog/internal/util/ObjectToStringUtil.java