Example usage for android.os Handler post

Introduction

In this page you can find the example usage for android.os Handler post.

Prototype

public final boolean post(Runnable r) 

Source Link

Document

Causes the Runnable r to be added to the message queue.

Usage

From source file:im.neon.contacts.ContactsManager.java

/**
 * Retrieve the contacts PIDs/*www.  j a  v  a  2 s . c o m*/
 */
public void retrievePids() {
    Handler handler = new Handler(Looper.getMainLooper());

    handler.post(new Runnable() {
        @Override
        public void run() {
            if (mIsRetrievingPids) {
                Log.d(LOG_TAG, "## retrievePids() : already in progress");
            } else if (mArePidsRetrieved) {
                Log.d(LOG_TAG, "## retrievePids() : already done");
            } else {
                Log.d(LOG_TAG, "## retrievePids() : Start search");
                mIsRetrievingPids = true;
                PIDsRetriever.getInstance().retrieveMatrixIds(VectorApp.getInstance(), mContactsList, false);
            }
        }
    });
}

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From source file:com.dmsl.anyplace.tasks.FetchFloorPlanTask.java

private void runPreExecuteOnUI() {
    // Get a handler that can be used to post to the main thread
    Handler mainHandler = new Handler(ctx.getMainLooper());

    Runnable myRunnable = new Runnable() {

        @Override/*ww w.j av  a2s  .  c o m*/
        public void run() {
            try {
                mListener.onPrepareLongExecute();
            } finally {
                synchronized (syncListener) {
                    run = true;
                    syncListener.notifyAll();
                }
            }
        }
    };

    mainHandler.post(myRunnable);
}

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From source file:com.norman0406.slimgress.FragmentInventory.java

@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container, Bundle savedInstanceState) {
    final View rootView = inflater.inflate(R.layout.fragment_inventory, container, false);

    final ExpandableListView list = (ExpandableListView) rootView.findViewById(R.id.listView);
    final ProgressBar progress = (ProgressBar) rootView.findViewById(R.id.progressBar1);

    list.setVisibility(View.INVISIBLE);
    progress.setVisibility(View.VISIBLE);

    // create group names
    mGroupNames = new ArrayList<String>();
    mGroups = new ArrayList<Object>();

    mGroupMedia = new ArrayList<String>();
    mGroupMods = new ArrayList<String>();
    mGroupPortalKeys = new ArrayList<String>();
    mGroupPowerCubes = new ArrayList<String>();
    mGroupResonators = new ArrayList<String>();
    mGroupWeapons = new ArrayList<String>();

    final FragmentInventory thisObject = this;

    final Handler handler = new Handler();

    mGame.intGetInventory(new Handler(new Handler.Callback() {
        @Override//from w  ww . j  a  v a  2 s.c  o m
        public boolean handleMessage(Message msg) {
            fillInventory(new Runnable() {
                @Override
                public void run() {
                    handler.post(new Runnable() {
                        @Override
                        public void run() {
                            InventoryList inventoryList = new InventoryList(mGroupNames, mGroups);
                            inventoryList.setInflater(inflater, thisObject.getActivity());
                            list.setAdapter(inventoryList);
                            list.setOnChildClickListener(thisObject);

                            list.setVisibility(View.VISIBLE);
                            progress.setVisibility(View.INVISIBLE);
                        }
                    });
                }
            });
            return true;
        }
    }));

    return rootView;
}

---

From source file:org.dharmaseed.android.PlayTalkActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_play_talk);

    // Turn on action bar up/home button
    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.setDisplayHomeAsUpEnabled(true);
    }/*from w ww.  j a v a  2s.  co  m*/

    // Get the ID of the talk to display
    Intent i = getIntent();
    talkID = (int) i.getLongExtra(NavigationActivity.TALK_DETAIL_EXTRA, 0);

    dbManager = DBManager.getInstance(this);

    // only hit the DB again if we know the talk is different than the one
    // we have saved.
    // for example, if the user selects a talk, exits, and re-opens it, no need
    // to hit the DB again, since we already have that talk saved
    if (talk == null || talk.getId() != talkID) {
        Cursor cursor = getCursor();
        if (cursor.moveToFirst()) {
            // convert DB result to an object
            talk = new Talk(cursor);
            talk.setId(talkID);
        } else {
            Log.e(LOG_TAG, "Could not look up talk, id=" + talkID);
            cursor.close();
            return;
        }
        cursor.close();
    } // else we already have the talk, just re-draw the page

    // Set the talk title
    TextView titleView = (TextView) findViewById(R.id.play_talk_talk_title);
    titleView.setText(talk.getTitle());

    // Set the teacher name
    TextView teacherView = (TextView) findViewById(R.id.play_talk_teacher);
    teacherView.setText(talk.getTeacherName());

    // Set the center name
    TextView centerView = (TextView) findViewById(R.id.play_talk_center);
    centerView.setText(talk.getCenterName());

    // Set the talk description
    TextView descriptionView = (TextView) findViewById(R.id.play_talk_talk_description);
    descriptionView.setText(talk.getDescription());

    // Set teacher photo
    String photoFilename = talk.getPhotoFileName();
    ImageView photoView = (ImageView) findViewById(R.id.play_talk_teacher_photo);
    Log.i(LOG_TAG, "photoFilename: " + photoFilename);
    try {
        FileInputStream photo = openFileInput(photoFilename);
        photoView.setImageBitmap(BitmapFactory.decodeStream(photo));
    } catch (FileNotFoundException e) {
        Drawable icon = ContextCompat.getDrawable(this, R.drawable.dharmaseed_icon);
        photoView.setImageDrawable(icon);
    }

    // set the image of the download button based on whether the talk is
    // downloaded or not
    toggleDownloadImage();

    // Set date
    TextView dateView = (TextView) findViewById(R.id.play_talk_date);
    String recDate = talk.getDate();
    SimpleDateFormat parser = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    try {
        dateView.setText(DateFormat.getDateInstance().format(parser.parse(recDate)));
    } catch (ParseException e) {
        dateView.setText("");
        Log.w(LOG_TAG, "Could not parse talk date for talk ID " + talkID);
    }

    // Get/create a persistent fragment to manage the MediaPlayer instance
    FragmentManager fm = getSupportFragmentManager();
    talkPlayerFragment = (TalkPlayerFragment) fm.findFragmentByTag("talkPlayerFragment");
    if (talkPlayerFragment == null) {
        // add the fragment
        talkPlayerFragment = new TalkPlayerFragment();
        fm.beginTransaction().add(talkPlayerFragment, "talkPlayerFragment").commit();
    } else if (talkPlayerFragment.getMediaPlayer().isPlaying()) {
        setPPButton("ic_media_pause");
    }

    // Set the talk duration
    final TextView durationView = (TextView) findViewById(R.id.play_talk_talk_duration);
    double duration = talk.getDurationInMinutes();
    String durationStr = DateUtils.formatElapsedTime((long) (duration * 60));
    durationView.setText(durationStr);

    // Start a handler to periodically update the seek bar and talk time
    final SeekBar seekBar = (SeekBar) findViewById(R.id.play_talk_seek_bar);
    seekBar.setMax((int) (duration * 60 * 1000));
    userDraggingSeekBar = false;
    userSeekBarPosition = 0;
    seekBar.setOnSeekBarChangeListener(this);
    final Handler handler = new Handler();
    final MediaPlayer mediaPlayer = talkPlayerFragment.getMediaPlayer();
    handler.post(new Runnable() {
        @Override
        public void run() {
            handler.postDelayed(this, 1000);
            if (talkPlayerFragment.getMediaPrepared() && !userDraggingSeekBar) {
                try {
                    int pos = mediaPlayer.getCurrentPosition();
                    int mpDuration = mediaPlayer.getDuration();
                    seekBar.setMax(mpDuration);
                    seekBar.setProgress(pos);
                    String posStr = DateUtils.formatElapsedTime(pos / 1000);
                    String mpDurStr = DateUtils.formatElapsedTime(mpDuration / 1000);
                    durationView.setText(posStr + "/" + mpDurStr);
                } catch (IllegalStateException e) {
                }
            }
        }
    });
}

---

From source file:com.campusclipper.android.MyLocationActivity.java

@Override
public boolean onMarkerClick(final Marker marker) {
    if (marker.equals(mPerth)) {
        // This causes the marker at Perth to bounce into position when it is clicked.
        final Handler handler = new Handler();
        final long start = SystemClock.uptimeMillis();
        final long duration = 1500;

        final Interpolator interpolator = new BounceInterpolator();

        handler.post(new Runnable() {
            @Override/*from  www .  j  av  a2s .co  m*/
            public void run() {
                long elapsed = SystemClock.uptimeMillis() - start;
                float t = Math.max(1 - interpolator.getInterpolation((float) elapsed / duration), 0);
                marker.setAnchor(0.5f, 1.0f + 2 * t);

                if (t > 0.0) {
                    // Post again 16ms later.
                    handler.postDelayed(this, 16);
                }
            }
        });
    } else if (marker.equals(mAdelaide)) {
        // This causes the marker at Adelaide to change color and alpha.
        marker.setIcon(BitmapDescriptorFactory.defaultMarker(mRandom.nextFloat() * 360));
        marker.setAlpha(mRandom.nextFloat());
    }
    // We return false to indicate that we have not consumed the event and that we wish
    // for the default behavior to occur (which is for the camera to move such that the
    // marker is centered and for the marker's info window to open, if it has one).
    return false;
}

---

From source file:de.stadtrallye.rallyesoft.model.map.MapManager.java

private void notifyMapConfigChange() {
    Handler handler;
    synchronized (mapListeners) {
        configLock.readLock().lock();/*from  w  ww. jav a  2  s .co  m*/
        try {
            for (final IMapListener l : mapListeners) {
                handler = l.getCallbackHandler();
                if (handler == null) {
                    l.onMapConfigChange(MapManager.this.mapConfig);
                } else {
                    handler.post(new Runnable() {
                        @Override
                        public void run() {
                            configLock.readLock().lock();
                            try {
                                l.onMapConfigChange(MapManager.this.mapConfig);
                            } finally {
                                configLock.readLock().unlock();
                            }
                        }
                    });
                }
            }
        } finally {
            configLock.readLock().unlock();
        }
    }
}

---

From source file:ai.eve.volley.Request.java

/**
 * Notifies the request queue that this request has finished (successfully
 * or with error).//from  w  ww  .j  a  v a2 s .c o m
 * 
 * <p>
 * Also dumps all events from this request's event log; for debugging.
 * </p>
 */
public void finish(final String tag) {
    if (mRequestQueue != null) {
        mRequestQueue.finish(this);
    }
    if (MarkerLog.ENABLED) {
        final long threadId = Thread.currentThread().getId();
        if (Looper.myLooper() != Looper.getMainLooper()) {
            // If we finish marking off of the main thread, we need to
            // actually do it on the main thread to ensure correct ordering.
            Handler mainThread = new Handler(Looper.getMainLooper());
            mainThread.post(new Runnable() {
                @Override
                public void run() {
                    mEventLog.add(tag, threadId);
                    mEventLog.finish(this.toString());
                }
            });
            return;
        }

        mEventLog.add(tag, threadId);
        mEventLog.finish(this.toString());
    } else {
        long requestTime = SystemClock.elapsedRealtime() - mRequestBirthTime;
        if (requestTime >= SLOW_REQUEST_THRESHOLD_MS) {
            NetroidLog.d("%d ms: %s", requestTime, this.toString());
        }
    }
}

---

From source file:com.alivenet.dmvtaxi.fragment.FragmentArriveDriver.java

public void callBackgroundService(final double latitude, final double longitude) {
    final Handler handler = new Handler();
    Timer timer = new Timer();
    TimerTask doAsynchronousTask = new TimerTask() {
        @Override/*from   ww w .  j  av  a2s  .c o  m*/
        public void run() {
            handler.post(new Runnable() {
                public void run() {
                    try {

                        if (latitude != 0.0d && longitude != 0.0d) {

                            Intent intent = new Intent(getActivity(), BackgroundService.class);
                            intent.putExtra("userid", mUserId);
                            intent.putExtra("lat", String.valueOf(latitude));
                            intent.putExtra("long", String.valueOf(longitude));
                            getActivity().startService(intent);
                        }
                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                    }
                }
            });
        }
    };
    timer.schedule(doAsynchronousTask, 0, 5000);
}

---

From source file:com.dmsl.anyplace.tasks.DownloadRadioMapTaskBuid.java

private void runPreExecuteOnUI() {
    // Get a handler that can be used to post to the main thread
    Handler mainHandler = new Handler(ctx.getMainLooper());

    Runnable myRunnable = new Runnable() {

        @Override/*  w  ww . j av a2  s. co  m*/
        public void run() {
            try {
                if (mListener != null)
                    mListener.onPrepareLongExecute();
            } finally {
                synchronized (syncListener) {
                    run = true;
                    syncListener.notifyAll();
                }
            }
        }
    };

    mainHandler.post(myRunnable);
}

---

From source file:org.hfoss.posit.android.sync.Communicator.java

/**
 * Sends the result of a getProjects request from server back to the caller
 * main UI thread through its handler.//w w  w.  j a va  2s  . com
 * 
 * @param projects
 *            the list of projects gotten from server
 * @param result
 *            The boolean holding authentication result
 * @param authToken
 *            The auth token returned from the server for this account.
 * @param handler
 *            The main UI thread's handler instance.
 * @param context
 *            The caller Activity's context.
 */
private static void sendProjectsResult(final ArrayList<HashMap<String, Object>> projects, final Boolean result,
        final Handler handler, final Context context) {
    if (handler == null || context == null) {
        return;
    }
    handler.post(new Runnable() {
        public void run() {
            ((ListProjectsActivity) context).onShowProjectsResult(projects, result);
        }
    });
}

---

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