Example usage for android.content.pm PackageManager queryContentProviders

Introduction

In this page you can find the example usage for android.content.pm PackageManager queryContentProviders.

Prototype

public abstract List<ProviderInfo> queryContentProviders(String processName, int uid,
        @ComponentInfoFlags int flags);

Source Link

Document

Retrieve content provider information.

Usage

From source file:org.opensilk.music.ui3.main.LibraryProviderInfoLoader.java

public Observable<LibraryProviderInfo> makeObservable() {
    return Observable.create(new Observable.OnSubscribe<List<ProviderInfo>>() {
        @Override// ww w . j a v a2s.c om
        public void call(Subscriber<? super List<ProviderInfo>> subscriber) {
            final PackageManager pm = context.getPackageManager();
            final List<ProviderInfo> providerInfos = pm.queryContentProviders(null, 0,
                    PackageManager.GET_META_DATA);
            subscriber.onNext(providerInfos);
            subscriber.onCompleted();
        }
    }).flatMap(new Func1<List<ProviderInfo>, Observable<ProviderInfo>>() {
        @Override
        public Observable<ProviderInfo> call(List<ProviderInfo> providerInfos) {
            return Observable.from(providerInfos);
        }
    }).filter(new Func1<ProviderInfo, Boolean>() {
        @Override
        public Boolean call(ProviderInfo providerInfo) {
            return StringUtils.startsWith(providerInfo.authority, LibraryProvider.AUTHORITY_PFX)
                    //Ignore non exported providers unless they're ours
                    && (StringUtils.equals(providerInfo.packageName, context.getPackageName())
                            || providerInfo.exported);
        }
    }).map(new Func1<ProviderInfo, LibraryProviderInfo>() {
        @Override
        public LibraryProviderInfo call(ProviderInfo providerInfo) {
            final PackageManager pm = context.getPackageManager();
            final String authority = providerInfo.authority;
            final CharSequence title = providerInfo.loadLabel(pm);
            final ComponentName cn = new ComponentName(providerInfo.packageName, providerInfo.name);
            final Drawable icon = providerInfo.loadIcon(pm);
            CharSequence description;
            try {
                Context packageContext = context.createPackageContext(cn.getPackageName(), 0);
                Resources packageRes = packageContext.getResources();
                description = packageRes.getString(providerInfo.descriptionRes);
            } catch (PackageManager.NameNotFoundException e) {
                description = "";
            }
            final LibraryProviderInfo lpi = new LibraryProviderInfo(title.toString(), description.toString(),
                    authority);
            lpi.icon = icon;
            for (String a : settings.readDisabledPlugins()) {
                if (a.equals(lpi.authority)) {
                    lpi.isActive = false;
                    break;
                }
            }
            return lpi;
        }
    });
}

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