Example usage for android.os Handler sendMessage

Introduction

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

Prototype

public final boolean sendMessage(Message msg) 

Source Link

Document

Pushes a message onto the end of the message queue after all pending messages before the current time.

Usage

From source file:mp.teardrop.LibraryPagerAdapter.java

/**
 * Schedule a query to be run for the given adapter on the worker thread.
 *
 * @param adapter The adapter to run the query for.
 *///from  w  w w  . j  av  a 2 s. c o  m
private void postRunQuery(LibraryAdapter adapter) {
    mRequeryNeeded[adapter != null ? adapter.getMediaType() : MediaUtils.TYPE_UNIFIED] = false;
    Handler handler = mWorkerHandler;
    handler.removeMessages(MSG_RUN_QUERY, adapter);
    handler.sendMessage(handler.obtainMessage(MSG_RUN_QUERY, adapter));
}

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From source file:ch.teamuit.android.soundplusplus.LibraryActivity.java

/**
 * Called when a new page becomes visible.
 *
 * @param position The position of the new page.
 * @param adapter The new visible adapter.
 *//* ww w  .  j a  v a  2 s .c  o  m*/
public void onPageChanged(int position, LibraryAdapter adapter) {
    mCurrentAdapter = adapter;
    mLastActedId = LibraryAdapter.INVALID_ID;
    updateLimiterViews();
    if (adapter != null && (adapter.getLimiter() == null || adapter.getMediaType() == MediaUtils.TYPE_FILE)) {
        // Save current page so it is opened on next startup. Don't save if
        // the page was expanded to, as the expanded page isn't the starting
        // point. This limitation does not affect the files tab as the limiter
        // (the files almost always have a limiter)
        Handler handler = mHandler;
        handler.sendMessage(mHandler.obtainMessage(MSG_SAVE_PAGE, position, 0));
    }
}

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From source file:ch.ethz.inf.vs.android.g54.a4.types.Building.java

/**
 * Asynchronously get free rooms based on floor and time constraints
 * A message will be dispatched to the handler informing of the status
 * In case of failure, the exception string is passed through the message key of the bundle
 * @param f Floor constraint// w ww  .  j  a  v  a 2s .co  m
 * @param start time constraint in quarter hours
 * @param end time constraint in quarter hours
 * @param handler Handler that will get the success/failure message with this object
 */
public void getFreeRoomsAsync(final Floor f, final Float start, final Float end, final Handler handler) {
    new Thread() {
        public void run() {
            Message m = handler.obtainMessage();
            try {
                m.obj = getFreeRoom(f, start, end);
                m.what = MessageStatus.SUCCESS.ordinal();
            } catch (Exception e) {
                m.what = MessageStatus.FAILURE.ordinal();
                Bundle b = new Bundle();
                b.putString("message", e.getMessage());
                m.setData(b);
            } finally {
                handler.sendMessage(m);
            }
        }
    }.start();
}

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From source file:ch.teamuit.android.soundplusplus.LibraryPagerAdapter.java

/**
 * Set the sort mode for the current adapter. Current adapter must be a
 * MediaAdapter. Saves this sort mode to preferences and updates the list
 * associated with the adapter to display the new sort mode.
 *
 * @param mode The sort mode. See {@link MediaAdapter#setSortMode(int)} for
 * details./*  w ww  . j  a  v a  2  s  .  c  om*/
 */
public void setSortMode(int mode) {
    MediaAdapter adapter = (MediaAdapter) mCurrentAdapter;
    if (mode == adapter.getSortMode())
        return;

    adapter.setSortMode(mode);
    requestRequery(adapter);

    Handler handler = mWorkerHandler;
    handler.sendMessage(handler.obtainMessage(MSG_SAVE_SORT, adapter));
}

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From source file:com.binroot.fatpita.BitmapManager.java

public void fetchBitmapOnThread(final String urlString, final ImageView imageView,
        final ProgressBar indeterminateProgressBar, final Activity act, final boolean saveToHistory) {
    SoftReference<Bitmap> ref = mCache.get(urlString);
    if (ref != null && ref.get() != null) {
        imageView.setImageBitmap(ref.get());
        return;//from  w w  w. j  a  v a2s .c  o  m
    }

    final Runnable progressBarShow = new Runnable() {
        public void run() {
            if (indeterminateProgressBar != null) {
                imageView.setVisibility(View.GONE);
                indeterminateProgressBar.setVisibility(View.VISIBLE);
            }
        }
    };
    final Runnable progressBarHide = new Runnable() {
        public void run() {
            if (indeterminateProgressBar != null) {
                indeterminateProgressBar.setVisibility(View.GONE);
                imageView.setVisibility(View.VISIBLE);
            }
        }
    };

    final Handler handler = new Handler() {
        @Override
        public void handleMessage(Message message) {
            if (indeterminateProgressBar != null && act != null)
                act.runOnUiThread(progressBarHide);
            imageView.setImageBitmap((Bitmap) message.obj);
        }
    };

    Thread thread = new Thread() {
        @Override
        public void run() {
            if (indeterminateProgressBar != null && act != null)
                act.runOnUiThread(progressBarShow);
            Bitmap bitmap = fetchBitmap(urlString, saveToHistory);
            Message message = handler.obtainMessage(1, bitmap);
            handler.sendMessage(message);
        }
    };
    thread.start();
}

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From source file:com.cm.beer.util.ContentManager.java

/**
 * /*from  w  w w. j a  v  a  2  s . co m*/
 * @param urlString
 * @param imageView
 */
public void fetchContentOnThread(final String urlString, final Handler handler) {
    if (mContentCache.containsKey(urlString)) {
        SoftReference<String> softReference = mContentCache.get(urlString);

        if ((softReference == null) || (softReference.get() == null)) {
            mContentCache.remove(urlString);
            if (Logger.isLogEnabled())
                Logger.log("fetchContentOnThread():Soft Reference has been Garbage Collected:" + urlString);
        } else {
            String jsonStr = softReference.get();
            if (Logger.isLogEnabled())
                Logger.log(urlString + "=>" + jsonStr);
            Message message = handler.obtainMessage(1, jsonStr);
            handler.sendMessage(message);
            return;
        }
    }

    Thread thread = new Thread() {
        @Override
        public void run() {
            while (mLockCache.containsKey(urlString)) {
                if (Logger.isLogEnabled())
                    Logger.log("URI download request in progress:" + urlString);
                try {
                    Thread.sleep(1000L);
                } catch (InterruptedException e) {
                    Log.e(this.getClass().getName(), e.getMessage());
                }
            }
            String content = fetchContent(urlString);
            Message message = handler.obtainMessage(1, content);
            handler.sendMessage(message);
        }
    };
    thread.start();
}

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From source file:ch.blinkenlights.android.vanilla.LibraryPagerAdapter.java

/**
 * Call {@link LibraryPagerAdapter#requestRequery(LibraryAdapter)} on the UI
 * thread./*w  w w  . j av  a2s. co  m*/
 *
 * @param adapter The adapter, passed to requestRequery.
 */
public void postRequestRequery(LibraryAdapter adapter) {
    Handler handler = mUiHandler;
    handler.sendMessage(handler.obtainMessage(MSG_REQUEST_REQUERY, adapter));
}

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From source file:ch.teamuit.android.soundplusplus.LibraryPagerAdapter.java

@Override
public boolean handleMessage(Message message) {
    switch (message.what) {
    case MSG_RUN_QUERY: {
        LibraryAdapter adapter = (LibraryAdapter) message.obj;
        int index = adapter.getMediaType();
        Handler handler = mUiHandler;
        handler.sendMessage(handler.obtainMessage(MSG_COMMIT_QUERY, index, 0, adapter.query()));
        break;//from   www  . j  a v a  2 s. co m
    }
    case MSG_COMMIT_QUERY: {
        int index = message.arg1;
        mAdapters[index].commitQuery(message.obj);

        // Restore scrolling position if present and valid
        Integer curPos = sLruAdapterPos.popPosition(mAdapters[index]);
        if (curPos != null && curPos < mLists[index].getCount())
            mLists[index].setSelection(curPos);

        break;
    }
    case MSG_SAVE_SORT: {
        MediaAdapter adapter = (MediaAdapter) message.obj;
        SharedPreferences.Editor editor = PlaybackService.getSettings(mActivity).edit();
        editor.putInt(String.format("sort_%d_%d", adapter.getMediaType(), adapter.getLimiterType()),
                adapter.getSortMode());
        editor.apply();
        break;
    }
    case MSG_REQUEST_REQUERY:
        requestRequery((LibraryAdapter) message.obj);
        break;
    default:
        return false;
    }

    return true;
}

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From source file:com.example.linhdq.test.documents.viewing.grid.DocumentGridActivity.java

private void postDocumentThumbnails() {
    Handler handler = mScrollHandler;
    Message message = handler.obtainMessage(MESSAGE_UPDATE_THUMNAILS, DocumentGridActivity.this);
    handler.removeMessages(MESSAGE_UPDATE_THUMNAILS);
    mPendingThumbnailUpdate = true;//w  ww .  jav  a 2  s  .co m
    handler.sendMessage(message);
}

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From source file:ch.blinkenlights.android.vanilla.LibraryActivity.java

/**
 * Called when a new page becomes visible.
 *
 * @param position The position of the new page.
 * @param adapter The new visible adapter.
 *//*  w  w  w .j  a  v a  2  s .com*/
public void onPageChanged(int position, LibraryAdapter adapter) {
    mCurrentAdapter = adapter;
    updateLimiterViews();
    if (adapter != null && (adapter.getLimiter() == null || adapter.getMediaType() == MediaUtils.TYPE_FILE)) {
        // Save current page so it is opened on next startup. Don't save if
        // the page was expanded to, as the expanded page isn't the starting
        // point. This limitation does not affect the files tab as the limiter
        // (the files almost always have a limiter)
        Handler handler = mHandler;
        handler.sendMessage(mHandler.obtainMessage(MSG_SAVE_PAGE, position, 0));
    }
}

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