Method doFindMethodDesc

app/src/main/java/cc/ioctl/tmoe/util/dex/DexKit.java:209–256

Run the dex deobfuscation. This method may take a long time and should only be called in background thread. Note that if a method is not found, its failed state will be cached. @param i the dex method index @return the target method descriptor, null if the target is not found. @see #isDeobfuscation

(int i)

     * @see #isDeobfuscationRequiredFor(int)
     */
    @Nullable
    public static DexMethodDescriptor doFindMethodDesc(int i) {
        DexMethodDescriptor ret = getMethodDescFromCache(i);
        if (ret != null) {
            return ret;
        }
        int currentHostVersionCode32 = HostInfo.getVersionCode();
        try {
            HashSet<DexMethodDescriptor> methods;
            String memoirKey = getOriginalClassNameForIndex(i);
            ConfigManager cache = ConfigManager.getCache();
            DexDeobfReport report = new DexDeobfReport();
            report.target = i;
            report.version = currentHostVersionCode32;
            methods = searchFromHostDexForIndex(i, report);
            if (methods == null || methods.size() == 0) {
                report.v("No method candidate found.");
                Utils.logi("Unable to deobf: " + getOriginalClassNameForIndex(i));
                // save failed state
                cache.putString("cache_" + memoirKey + "_method", NO_SUCH_METHOD.toString());
                cache.putInt("cache_" + memoirKey + "_code", currentHostVersionCode32);
                cache.save();
                return null;
            }
            report.v(methods.size() + " method(s) found: " + methods);
            if (methods.size() == 1) {
                ret = methods.iterator().next();
            } else {
                ret = verifyFoundCandidateForIndex(i, methods, report);
            }
            report.v("Final decision:" + (ret == null ? null : ret.toString()));
            cache.putString("deobf_log_" + memoirKey, report.toString());
            if (ret == null) {
                Utils.logi("Multiple classes candidates found, none satisfactory.");
                // save failed state
                cache.putString("cache_" + memoirKey + "_method", NO_SUCH_METHOD.toString());
                cache.putInt("cache_" + memoirKey + "_code", currentHostVersionCode32);
                cache.save();
                return null;
            }
            cache.putString("cache_" + memoirKey + "_method", ret.toString());
            cache.putInt("cache_" + memoirKey + "_code", currentHostVersionCode32);
            cache.save();
        } catch (Exception e) {
            Utils.loge(e);
        }
        return ret;
    }

    /**
     * Get the original class name for a class index.