Examples with WeakReference java.lang.ref.WeakReference used on opensource projects

Example 31 with WeakReference

use of java.lang.ref.WeakReference in project roboguice by roboguice.

the class OptionalBinderTest method testWeakKeySet_integration.

// Tests for com.google.inject.internal.WeakKeySet not leaking memory.
public void testWeakKeySet_integration() {
    Injector parentInjector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            bind(String.class).toInstance("hi");
        }
    });
    WeakKeySetUtils.assertNotBlacklisted(parentInjector, Key.get(Integer.class));
    Injector childInjector = parentInjector.createChildInjector(new AbstractModule() {

        @Override
        protected void configure() {
            OptionalBinder.newOptionalBinder(binder(), Integer.class).setDefault().toInstance(4);
        }
    });
    WeakReference<Injector> weakRef = new WeakReference<Injector>(childInjector);
    WeakKeySetUtils.assertBlacklisted(parentInjector, Key.get(Integer.class));
    // Clear the ref, GC, and ensure that we are no longer blacklisting.
    childInjector = null;
    WeakKeySetUtils.awaitClear(weakRef);
    WeakKeySetUtils.assertNotBlacklisted(parentInjector, Key.get(Integer.class));
}

Example 32 with WeakReference

use of java.lang.ref.WeakReference in project buck by facebook.

the class ResourcesLoader method getActiveResourcesFromResourcesManager.

private static Collection<WeakReference<Resources>> getActiveResourcesFromResourcesManager() {
    try {
        Class resourcesManagerClass;
        try {
            resourcesManagerClass = Class.forName("android.app.ResourcesManager");
        } catch (ClassNotFoundException e) {
            return null;
        }
        Method getResourcesManager = resourcesManagerClass.getDeclaredMethod("getInstance");
        getResourcesManager.setAccessible(true);
        Object resourcesManager = getResourcesManager.invoke(null);
        try {
            return ((ArrayMap<?, WeakReference<Resources>>) Reflect.getField(resourcesManager, resourcesManagerClass, "mActiveResources")).values();
        } catch (NoSuchFieldException e) {
            return (Collection<WeakReference<Resources>>) Reflect.getField(resourcesManager, resourcesManagerClass, "mResourceReferences");
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 33 with WeakReference

use of java.lang.ref.WeakReference in project Meizhi by drakeet.

the class SmoothAppBarLayout method removeOnOffsetSyncedListener.

public void removeOnOffsetSyncedListener(OnOffsetSyncedListener listener) {
    Iterator i = mOffsetSyncedListeners.iterator();
    while (true) {
        OnOffsetSyncedListener item;
        do {
            if (!i.hasNext()) {
                return;
            }
            WeakReference ref = (WeakReference) i.next();
            item = (OnOffsetSyncedListener) ref.get();
        } while (item != listener && item != null);
        i.remove();
    }
}

Example 34 with WeakReference

use of java.lang.ref.WeakReference in project Meizhi by drakeet.

the class SmoothAppBarLayout method addOnOffsetSyncedListener.

public void addOnOffsetSyncedListener(OnOffsetSyncedListener listener) {
    int i = 0;
    for (int z = this.mOffsetSyncedListeners.size(); i < z; ++i) {
        WeakReference ref = (WeakReference) this.mOffsetSyncedListeners.get(i);
        if (ref != null && ref.get() == listener) {
            return;
        }
    }
    this.mOffsetSyncedListeners.add(new WeakReference(listener));
}

Example 35 with WeakReference

use of java.lang.ref.WeakReference in project Meizhi by drakeet.

the class SmoothAppBarLayout method syncOffset.

public void syncOffset() {
    int i = 0;
    for (int z = mOffsetSyncedListeners.size(); i < z; ++i) {
        WeakReference ref = (WeakReference) mOffsetSyncedListeners.get(i);
        OnOffsetSyncedListener listener = ref != null ? (OnOffsetSyncedListener) ref.get() : null;
        if (listener != null) {
            listener.onOffsetSynced(this);
        }
    }
}