Method BuildMetadata

test-app/runtime/src/main/cpp/MetadataNode.cpp:1837–1946

}

void MetadataNode::BuildMetadata(const string& filesPath) {
    timeval time1;
    gettimeofday(&time1, nullptr);

    string baseDir = filesPath;
    baseDir.append("/metadata");

    DIR* dir = opendir(baseDir.c_str());

    if(dir == nullptr){
        stringstream ss;
        ss << "metadata folder couldn't be opened! (Error: ";
        ss << errno;
        ss << ") ";

        // TODO: Is there a way to detect if the screen is locked as verification
        // We assume based on the error that this is the only way to get this specific error here at this point
        if (errno == ENOENT || errno == EACCES) {
            // Log the error with error code
            __android_log_print(ANDROID_LOG_ERROR, "TNS.error", "%s", ss.str().c_str());

            // While the screen is locked after boot; we cannot access our own apps directory on Android 9+
            // So the only thing to do at this point is just exit normally w/o crashing!

            // The only reason we should be in this specific path; is if:
            // 1) android:directBootAware="true" flag is set on receiver
            // 2) android.intent.action.LOCKED_BOOT_COMPLETED intent is set in manifest on above receiver
            // See:  https://developer.android.com/guide/topics/manifest/receiver-element
            //  and: https://developer.android.com/training/articles/direct-boot
            // This specific path occurs if you using the NativeScript-Local-Notification plugin, the
            // receiver code runs fine, but the app actually doesn't need to startup.  The Native code tries to
            // startup because the receiver is triggered.  So even though we are exiting, the receiver will have
            // done its job

            _Exit(0);
        }
        else {
          throw NativeScriptException(ss.str());
        }
    }

    string nodesFile = baseDir + "/treeNodeStream.dat";
    string namesFile = baseDir + "/treeStringsStream.dat";
    string valuesFile = baseDir + "/treeValueStream.dat";

    FILE* f = fopen(nodesFile.c_str(), "rb");
    if (f == nullptr) {
        stringstream ss;
        ss << "metadata file (treeNodeStream.dat) couldn't be opened! (Error: ";
        ss << errno;
        ss << ") ";

        throw NativeScriptException(ss.str());
    }
    fseek(f, 0, SEEK_END);
    int lenNodes = ftell(f);
    assert((lenNodes % sizeof(MetadataTreeNodeRawData)) == 0);
    char* nodes = new char[lenNodes];