Example usage for java.lang.ref WeakReference WeakReference

Introduction

In this page you can find the example usage for java.lang.ref WeakReference WeakReference.

Prototype

public WeakReference(T referent)

Source Link

Document

Creates a new weak reference that refers to the given object.

Usage

From source file:co.carlosandresjimenez.android.gotit.TabLayoutOnPageChangeListener.java

public TabLayoutOnPageChangeListener(TabLayout tabLayout) {
    mTabLayoutRef = new WeakReference<>(tabLayout);
}

From source file:com.example.pagergallerysample.PagerGalleryAdapter.java

public PagerGalleryAdapter(Context context) {
    super();//from   ww  w  .j a  v  a  2s  . c om
    mContext = new WeakReference<Context>(context);
    mInflater = LayoutInflater.from(mContext.get());
}

From source file:com.flc.app3.utils.FragmentPagerItemAdapter.java

@Override
public Object instantiateItem(ViewGroup container, int position) {
    Object item = super.instantiateItem(container, position);
    if (item instanceof Fragment) {
        holder.put(position, new WeakReference<Fragment>((Fragment) item));
    }/*w w  w  .  j a  va 2  s . c  om*/
    return item;
}

From source file:com.almende.eve.test.TestDelete.java

/**
 * Test agents./*from  w w  w .  j a  v a  2  s  . c o m*/
 * 
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 * @throws URISyntaxException
 *             the URI syntax exception
 * @throws InterruptedException
 *             the interrupted exception
 */
@Test
public void testDelete() throws IOException, URISyntaxException, InterruptedException {

    HttpTransportConfig transportConfig = new HttpTransportConfig();
    transportConfig.setServletUrl("http://localhost:8080/agents/");

    transportConfig.setServletLauncher("JettyLauncher");
    ObjectNode jettyParms = JOM.createObjectNode();
    jettyParms.put("port", 8080);
    transportConfig.set("jetty", jettyParms);

    AgentConfig config = new AgentConfig("example");
    config.addTransport(transportConfig);

    ExampleAgent agent = new ExampleAgent();
    agent.setConfig(config);

    transportConfig = null;
    config = null;

    WeakReference<Agent> test = new WeakReference<Agent>(agent);
    agent.destroy();
    agent = null;

    System.gc();
    System.gc();
    try {
        Thread.sleep(1000);
    } catch (final InterruptedException e) {
    }
    System.gc();
    System.gc();

    assertNull(test.get());

    //      LOG.warning("Sleeping for profiler connection.");
    //      try {
    //         Thread.sleep(20000);
    //      } catch (final InterruptedException e) {}
}

From source file:com.activiti.android.ui.fragments.common.RefreshHelper.java

public RefreshHelper(Activity activity, final RefreshFragment fragment, View rootView) {
    if (rootView == null) {
        return;//  www  . j a va2s . c  o  m
    }
    fragmentRef = new WeakReference<>(fragment);
    swipeLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.ptr_layout);

    if (AccessibilityUtils.isEnabled(activity)) {
        swipeLayout.setEnabled(false);
        swipeLayout.setRefreshing(false);
    } else {
        swipeLayout.setOnRefreshListener(this);
        swipeLayout.setColorSchemeResources(R.color.alfresco_lime, R.color.alfresco_soil,
                R.color.alfresco_tangerine, R.color.alfresco_sky);
    }
}

From source file:com.apptentive.android.sdk.module.messagecenter.view.MessageCenterComposingActionBarView.java

public MessageCenterComposingActionBarView(final Context activityContext, final MessageCenterComposingItem item,
        final MessageAdapter.OnListviewItemActionListener listener) {
    super(activityContext);
    this.listenerRef = new WeakReference<MessageAdapter.OnListviewItemActionListener>(listener);

    LayoutInflater inflater = LayoutInflater.from(activityContext);
    inflater.inflate(R.layout.apptentive_message_center_composing_actionbar, this);

    View closeButton = findViewById(R.id.cancel_composing);
    closeButton.setOnClickListener(new OnClickListener() {
        public void onClick(View view) {
            MessageAdapter.OnListviewItemActionListener locallistener = listenerRef.get();
            if (locallistener == null) {
                return;
            }//  w  ww.jav  a 2  s.  c om
            if (showConfirmation) {
                CloseConfirmationDialog editNameDialog = new CloseConfirmationDialog();
                Bundle bundle = new Bundle();
                bundle.putString("STR_2", item.str_2);
                bundle.putString("STR_3", item.str_3);
                bundle.putString("STR_4", item.str_4);
                editNameDialog.setArguments(bundle);
                editNameDialog.show(((ApptentiveInternalActivity) activityContext).getSupportFragmentManager(),
                        "CloseConfirmationDialog");
            } else {
                locallistener.onCancelComposing();
            }
        }
    });

    TextView composing = (TextView) findViewById(R.id.composing);

    if (item.str_1 != null) {
        composing.setText(item.str_1);
    }

    sendButton = (ImageButton) findViewById(R.id.btn_send_message);
    if (item.button_1 != null) {
        sendButton.setContentDescription(item.button_1);
    }
    sendButton.setOnClickListener(new OnClickListener() {
        public void onClick(View view) {
            MessageAdapter.OnListviewItemActionListener locallistener = listenerRef.get();
            if (locallistener == null) {
                return;
            }
            locallistener.onFinishComposing();
        }
    });

    sendButton.setEnabled(false);
    sendButton.setColorFilter(Util.getThemeColorFromAttrOrRes(activityContext,
            R.attr.apptentive_material_disabled_icon, R.color.apptentive_material_dark_disabled_icon));

    attachButton = (ImageButton) findViewById(R.id.btn_attach_image);
    // Android devices can't take screenshots until Android OS version 4+
    boolean canTakeScreenshot = Util.getMajorOsVersion() >= 4;
    if (canTakeScreenshot) {
        attachButton.setOnClickListener(new View.OnClickListener() {
            public void onClick(View view) {
                MessageAdapter.OnListviewItemActionListener locallistener = listenerRef.get();
                if (locallistener == null) {
                    return;
                }
                locallistener.onAttachImage();
            }
        });
    } else {
        attachButton.setVisibility(GONE);
    }
}

From source file:com.esminis.server.library.permission.PermissionRequester.java

public Observable<Void> request(Activity activity, final String permission) {
    final WeakReference<Activity> activityReference = new WeakReference<>(activity);
    return Observable.create(new Observable.OnSubscribe<Void>() {
        @Override/* w  w  w.  j  a  v  a 2s .co  m*/
        public void call(Subscriber<? super Void> subscriber) {
            final Activity activity = activityReference.get();
            if (activity == null) {
                subscriber.onError(new PermissionRequestFailed(PermissionRequestFailed.ACTIVITY_NOT_AVAILABLE));
            } else if (permission == null) {
                subscriber.onError(
                        new PermissionRequestFailed(PermissionRequestFailed.DENIED_INVALID_PERMISSION));
            } else if (hasPermission(activity, permission)) {
                subscriber.onNext(null);
                subscriber.onCompleted();
            } else {
                synchronized (lock) {
                    if (subscriberInProgress != null) {
                        subscriber.onError(new PermissionRequestFailed(
                                PermissionRequestFailed.DENIED_ANOTHER_REQUEST_IN_PROGRESS));
                        return;
                    }
                    showExplanation = ActivityCompat.shouldShowRequestPermissionRationale(activity, permission);
                    subscriberInProgress = subscriber;
                }
                ActivityCompat.requestPermissions(activity, new String[] { permission },
                        REQUEST_CODE_PERMISSION);
            }
        }
    }).subscribeOn(AndroidSchedulers.mainThread()).observeOn(AndroidSchedulers.mainThread());
}

From source file:com.cyberocw.habittodosecretary.file.AttachmentTask.java

public AttachmentTask(Context ctx, Fragment fragment, Uri uri, String fileName,
        OnAttachingFileListener mOnAttachingFileListener) {
    mCtx = ctx;//from ww  w .j  av  a 2  s  . c  om
    if (fragment != null)
        mFragmentWeakReference = new WeakReference<>(fragment);
    else
        mFragmentWeakReference = null;
    this.uri = uri;
    this.fileName = TextUtils.isEmpty(fileName) ? "" : fileName;
    this.mOnAttachingFileListener = mOnAttachingFileListener;
}

From source file:com.QuarkLabs.BTCeClient.UpdateWidgetsTask.java

public UpdateWidgetsTask(Context context, Map<Integer, String> map) {
    mContext = new WeakReference<>(context);
    mMap = map;
}

From source file:com.gargoylesoftware.htmlunit.NicelyResynchronizingAjaxController.java

/**
 * Initializes this instance.
 */
private void init() {
    originatedThread_ = new WeakReference<>(Thread.currentThread());
}