private static String concernStackString(String line) {
        for (String concernPackage : CONCERN_LIST) {
            if (line.startsWith(concernPackage)) {
                return classSimpleName(line);
            }
        }
        return null;
    }
Get key stack string to show as title in ui list.
blockcanary-android/src/main/java/com/github/moduth/blockcanary/ui/BlockCanaryUtils.java