MainActivity.java 文件源码

private Observable<List<ProviderInfo>> getProviders(){
    return Observable.fromCallable(new Callable<List<ProviderInfo>>() {
        @Override public List<ProviderInfo> call() throws Exception {
            List<ProviderInfo> info = new ArrayList<>();
            for (PackageInfo providerInfo :getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS)){
                if (providerInfo.providers != null){
                    for (ProviderInfo provider : providerInfo.providers) {
                        if (provider.authority != null) {
                            if (sp.getBoolean("need_filter",false)){
                                info.add(provider);
                            }else if(provider.readPermission!=null){
                                info.add(provider);
                            }
                        }
                    }
                }
            }
            return info;
        }
    });
}