[Demonstration 1]

[Buggy Method]
void start() {
    final FileAdapter fa = new FileAdapter(con, path);
    new AlertDialog.Builder(con).setTitle("选择文件").setAdapter(fa, new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface p1, int p2) {
            if (p2 != 0) {
                if (fa.fl[p2 - 1].isDirectory()) {
                    path = fa.fl[p2 - 1].getPath();
                    start();
                } else {
                    if (onfini != null) {
                        chose = fa.fl[p2 - 1];
                        onfini.run();
                    }
                }
            } else {
                path = path.substring(0, path.lastIndexOf("/"));
                if (path.equals("")) {
                    path = "/";
                }
                start();
            }
        }
    }).create().show();
}

[Buggy Hunk]
new AlertDialog.Builder(con).setTitle("选择文件").setAdapter(fa, new DialogInterface.OnClickListener(){

[Patch]
new AlertDialog.Builder(con,R.style.Theme_AppCompat_Light_Dialog_Alert).setTitle("选择文件").setAdapter(fa, new DialogInterface.OnClickListener(){

[Demonstration 2]

[Buggy Method]
public boolean handle(final EventregRequest request) throws Throwable {
    try {
        openDb();
        if (request instanceof EventChangeRequest) {
            return handleChange((EventChangeRequest) request);
        }
        if (request instanceof RegistrationAction) {
            return handleNewReg((RegistrationAction) request);
        }
        request.discard();
        return false;
    } finally {
        closeDb();
    }
}

[Buggy Hunk]
public boolean handle(final EventregRequest request) throws Throwable {

[Patch]
private boolean handle(final EventregRequest request) throws Throwable {

[Demonstration 3]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));