Example usage for android.os Process THREAD_PRIORITY_BACKGROUND

List of usage examples for android.os Process THREAD_PRIORITY_BACKGROUND

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Introduction

In this page you can find the example usage for android.os Process THREAD_PRIORITY_BACKGROUND.

Prototype

int THREAD_PRIORITY_BACKGROUND

To view the source code for android.os Process THREAD_PRIORITY_BACKGROUND.

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Document

Standard priority background threads.

Usage

From source file:com.location.philippweiher.test.SendMockLocationService.java

@Override
public void onCreate() {
    /*//ww  w .j  a v  a  2s  .  co  m
     * Prepare to send status updates back to the main activity.
     * Get a local broadcast manager instance; broadcast intents sent via this
     * manager are only available within the this app.
     */
    mLocalBroadcastManager = LocalBroadcastManager.getInstance(this);

    /*
     * Create a new background thread with an associated Looper that processes Message objects
     * from a MessageQueue. The Looper allows test Activities to send repeated requests to
     * inject mock locations from this Service.
     */
    mWorkThread = new HandlerThread("UpdateThread", Process.THREAD_PRIORITY_BACKGROUND);

    /*
     * Start the thread. Nothing actually runs until the Looper for this thread dispatches a
     * Message to the Handler.
     */
    mWorkThread.start();

    // Get the Looper for the thread
    mUpdateLooper = mWorkThread.getLooper();

    /*
     * Create a Handler object and pass in the Looper for the thread.
     * The Looper can now dispatch Message objects to the Handler's handleMessage() method.
     */
    mUpdateHandler = new UpdateHandler(mUpdateLooper);

    // Indicate that testing has not yet started
    mTestStarted = false;
}

From source file:org.fdroid.fdroid.net.DownloaderService.java

@Override
public void onCreate() {
    super.onCreate();
    Utils.debugLog(TAG, "Creating downloader service.");

    HandlerThread thread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND);
    thread.start();/*from ww  w.j a  v a 2 s .com*/

    serviceLooper = thread.getLooper();
    serviceHandler = new ServiceHandler(serviceLooper);
    localBroadcastManager = LocalBroadcastManager.getInstance(this);
}

From source file:io.scalac.locationprovider.SendMockLocationService.java

@Override
public void onCreate() {
    /*/*from   w ww  .ja  va 2  s  . c  o  m*/
     * Load the mock location data from MockLocationConstants.java
     */
    mLocationArray = buildTestLocationArray(LocationUtils.WAYPOINTS_LAT, LocationUtils.WAYPOINTS_LNG,
            LocationUtils.WAYPOINTS_ACCURACY);

    /*
     * Prepare to send status updates back to the main activity.
     * Get a local broadcast manager instance; broadcast intents sent via this
     * manager are only available within the this app.
     */
    mLocalBroadcastManager = LocalBroadcastManager.getInstance(this);

    /*
     * Create a new background thread with an associated Looper that processes Message objects
     * from a MessageQueue. The Looper allows test Activities to send repeated requests to
     * inject mock locations from this Service.
     */
    mWorkThread = new HandlerThread("UpdateThread", Process.THREAD_PRIORITY_BACKGROUND);

    /*
     * Start the thread. Nothing actually runs until the Looper for this thread dispatches a
     * Message to the Handler.
     */
    mWorkThread.start();

    // Get the Looper for the thread
    mUpdateLooper = mWorkThread.getLooper();

    /*
     * Create a Handler object and pass in the Looper for the thread.
     * The Looper can now dispatch Message objects to the Handler's handleMessage() method.
     */
    mUpdateHandler = new UpdateHandler(mUpdateLooper);

    // Indicate that testing has not yet started
    mTestStarted = false;
}

From source file:org.xbmc.kore.service.LibrarySyncService.java

@Override
public void onCreate() {
    // Create a Handler Thread to process callback calls after the Xbmc method call
    handlerThread = new HandlerThread("LibrarySyncService", Process.THREAD_PRIORITY_BACKGROUND);
    handlerThread.start();//from   w  w w. j  ava  2s  .  c  o m

    // Get the HandlerThread's Looper and use it for our Handler
    callbackHandler = new Handler(handlerThread.getLooper());
    // Check which libraries to update and call the corresponding methods on Xbmc

    syncOrchestrators = new ArrayList<>();
}

From source file:com.cerema.cloud2.files.services.FileDownloader.java

/**
 * Service initialization//from   w ww.  ja v a 2 s .  co  m
 */
@Override
public void onCreate() {
    super.onCreate();
    Log_OC.d(TAG, "Creating service");
    mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    HandlerThread thread = new HandlerThread("FileDownloaderThread", Process.THREAD_PRIORITY_BACKGROUND);
    thread.start();
    mServiceLooper = thread.getLooper();
    mServiceHandler = new ServiceHandler(mServiceLooper, this);
    mBinder = new FileDownloaderBinder();

    // add AccountsUpdatedListener
    AccountManager am = AccountManager.get(getApplicationContext());
    am.addOnAccountsUpdatedListener(this, null, false);
}

From source file:cn.dacas.providers.downloads.DownloadThread.java

/**
 * Executes the download in a separate thread
 *///from  w  w w  .  j  ava  2s.  c  o  m
public void run() {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);

    State state = new State(mInfo);
    AndroidHttpClient client = null;
    PowerManager.WakeLock wakeLock = null;
    int finalStatus = Downloads.STATUS_UNKNOWN_ERROR;

    try {
        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, Constants.TAG);
        wakeLock.acquire();

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "initiating download for " + mInfo.mUri);
        }

        client = AndroidHttpClient.newInstance(userAgent(), mContext);

        boolean finished = false;
        while (!finished) {
            Log.i(Constants.TAG, "Initiating request for download " + mInfo.mId);
            HttpGet request = new HttpGet(state.mRequestUri);
            try {
                executeDownload(state, client, request);
                finished = true;
            } catch (RetryDownload exc) {
                // fall through
            } finally {
                request.abort();
                request = null;
            }
        }

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "download completed for " + mInfo.mUri);
        }
        finalizeDestinationFile(state);
        finalStatus = Downloads.STATUS_SUCCESS;
    } catch (StopRequest error) {
        // remove the cause before printing, in case it contains PII
        Log.w(Constants.TAG, "Aborting request for download " + mInfo.mId + ": " + error.getMessage());
        finalStatus = error.mFinalStatus;
        // fall through to finally block
    } catch (Throwable ex) { // sometimes the socket code throws unchecked
        // exceptions
        Log.w(Constants.TAG, "Exception for id " + mInfo.mId + ": " + ex);
        finalStatus = Downloads.STATUS_UNKNOWN_ERROR;
        // falls through to the code that reports an error
    } finally {
        if (wakeLock != null) {
            wakeLock.release();
            wakeLock = null;
        }
        if (client != null) {
            client.close();
            client = null;
        }
        cleanupDestination(state, finalStatus);
        notifyDownloadCompleted(finalStatus, state.mCountRetry, state.mRetryAfter, state.mGotData,
                state.mFilename, state.mNewUri, state.mMimeType);
        mInfo.mHasActiveThread = false;
    }
}

From source file:com.kong.zxreader.down.downloads.DownloadThread.java

/**
 * Executes the download in a separate thread
 *///from  w  ww  .j  ava 2s.co  m
public void run() {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);

    State state = new State(mInfo);
    AndroidHttpClient client = null;
    PowerManager.WakeLock wakeLock = null;
    int finalStatus = Downloads.STATUS_UNKNOWN_ERROR;

    try {
        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, DownConstants.TAG);
        wakeLock.acquire();

        if (DownConstants.LOGV) {
            Log.v(DownConstants.TAG, "initiating download for " + mInfo.mUri);
        }

        client = AndroidHttpClient.newInstance(userAgent(), mContext);

        boolean finished = false;
        while (!finished) {
            Log.i(DownConstants.TAG, "Initiating request for download " + mInfo.mId);
            HttpGet request = new HttpGet(state.mRequestUri);
            try {
                executeDownload(state, client, request);
                finished = true;
            } catch (RetryDownload exc) {
                // fall through
            } finally {
                request.abort();
                request = null;
            }
        }

        if (DownConstants.LOGV) {
            Log.v(DownConstants.TAG, "download completed for " + mInfo.mUri);
        }
        finalizeDestinationFile(state);
        finalStatus = Downloads.STATUS_SUCCESS;
    } catch (StopRequest error) {
        // remove the cause before printing, in case it contains PII
        Log.w(DownConstants.TAG, "Aborting request for download " + mInfo.mId + ": " + error.getMessage());
        finalStatus = error.mFinalStatus;
        // fall through to finally block
    } catch (Throwable ex) { // sometimes the socket code throws unchecked
        // exceptions
        Log.w(DownConstants.TAG, "Exception for id " + mInfo.mId + ": " + ex);
        finalStatus = Downloads.STATUS_UNKNOWN_ERROR;
        // falls through to the code that reports an error
    } finally {
        if (wakeLock != null) {
            wakeLock.release();
            wakeLock = null;
        }
        if (client != null) {
            client.close();
            client = null;
        }
        cleanupDestination(state, finalStatus);
        notifyDownloadCompleted(finalStatus, state.mCountRetry, state.mRetryAfter, state.mGotData,
                state.mFilename, state.mNewUri, state.mMimeType);
        mInfo.mHasActiveThread = false;
    }
}

From source file:com.android.providers.downloads.DownloadThread.java

/**
 * Executes the download in a separate thread
 *//*from   w  w  w . ja  va  2 s.c om*/
public void run() {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);

    State state = new State(mInfo);
    AndroidHttpClient client = null;
    PowerManager.WakeLock wakeLock = null;
    int finalStatus = Downloads.Impl.STATUS_UNKNOWN_ERROR;

    try {
        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, Constants.TAG);
        wakeLock.acquire();

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "initiating download for " + mInfo.mUri);
        }

        client = AndroidHttpClient.newInstance(userAgent(), mContext);

        boolean finished = false;
        while (!finished) {
            Log.i(Constants.TAG, "Initiating request for download " + mInfo.mId);
            HttpGet request = new HttpGet(state.mRequestUri);
            try {
                executeDownload(state, client, request);
                finished = true;
            } catch (RetryDownload exc) {
                // fall through
            } finally {
                request.abort();
                request = null;
            }
        }

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "download completed for " + mInfo.mUri);
        }
        finalizeDestinationFile(state);
        finalStatus = Downloads.Impl.STATUS_SUCCESS;
    } catch (StopRequest error) {
        // remove the cause before printing, in case it contains PII
        Log.w(Constants.TAG, "Aborting request for download " + mInfo.mId + ": " + error.getMessage());
        finalStatus = error.mFinalStatus;
        // fall through to finally block
    } catch (Throwable ex) { //sometimes the socket code throws unchecked exceptions
        Log.w(Constants.TAG, "Exception for id " + mInfo.mId + ": " + ex);
        finalStatus = Downloads.Impl.STATUS_UNKNOWN_ERROR;
        // falls through to the code that reports an error
    } finally {
        if (wakeLock != null) {
            wakeLock.release();
            wakeLock = null;
        }
        if (client != null) {
            client.close();
            client = null;
        }
        cleanupDestination(state, finalStatus);
        // We have written new information to the database, the data in the update thread
        // is no longer valid. This needs to be synchronized to prevent the information
        // to change while the Update Thread in Download Service is using it.
        synchronized (mSystemFacade) {
            notifyDownloadCompleted(finalStatus, state.mCountRetry, state.mRetryAfter, state.mGotData,
                    state.mFilename, state.mNewUri, state.mMimeType);
            mInfo.mHasActiveThread = false;
            mSystemFacade.setUpdateThreadDataIsOutdated(true);
        }
    }
}

From source file:com.foolhorse.downloaddemo.man.DownloadThread.java

/**
 * Executes the download in a separate thread
 *///  www. ja v  a 2  s . co  m
@Override
public void run() {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);

    State state = new State(mInfo);
    AndroidHttpClient client = null;
    PowerManager.WakeLock wakeLock = null;
    int finalStatus = Downloads.STATUS_UNKNOWN_ERROR;

    try {
        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, Constants.TAG);
        wakeLock.acquire();

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "initiating download for " + mInfo.mUri);
        }

        client = AndroidHttpClient.newInstance(userAgent(), mContext);

        boolean finished = false;
        while (!finished) {
            Log.i(Constants.TAG, "Initiating request for download " + mInfo.mId);
            HttpGet request = new HttpGet(state.mRequestUri);
            try {
                executeDownload(state, client, request);
                finished = true;
            } catch (RetryDownload exc) {
                // fall through
            } finally {
                request.abort();
                request = null;
            }
        }

        if (Constants.LOGV) {
            Log.v(Constants.TAG, "download completed for " + mInfo.mUri);
        }
        finalizeDestinationFile(state);
        finalStatus = Downloads.STATUS_SUCCESS;
    } catch (StopRequest error) {
        // remove the cause before printing, in case it contains PII
        Log.w(Constants.TAG, "Aborting request for download " + mInfo.mId + ": " + error.getMessage());
        finalStatus = error.mFinalStatus;
        // fall through to finally block
    } catch (Throwable ex) { // sometimes the socket code throws unchecked
        // exceptions
        Log.w(Constants.TAG, "Exception for id " + mInfo.mId + ": " + ex);
        finalStatus = Downloads.STATUS_UNKNOWN_ERROR;
        // falls through to the code that reports an error
    } finally {
        if (wakeLock != null) {
            wakeLock.release();
            wakeLock = null;
        }
        if (client != null) {
            client.close();
            client = null;
        }
        cleanupDestination(state, finalStatus);
        notifyDownloadCompleted(finalStatus, state.mCountRetry, state.mRetryAfter, state.mGotData,
                state.mFilename, state.mNewUri, state.mMimeType);
        mInfo.mHasActiveThread = false;
    }
}

From source file:com.example.download.DownloadThread.java

/**
 * Executes the download in a separate thread
 *///from  w w w.java 2 s .c o m
public void run() {

    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);

    State state = new State(mInfo);
    AndroidHttpClient client = null;
    PowerManager.WakeLock wakeLock = null;
    int finalStatus = DownloadManager.Impl.STATUS_UNKNOWN_ERROR;

    try {
        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, com.example.util.Utils.sLogTag);
        wakeLock.acquire();

        Utils.D("initiating download for " + mInfo.mUri);

        client = HttpClientFactory.get().getHttpClient();

        boolean finished = false;
        while (!finished) {

            Utils.D("Initiating request for download " + mInfo.mId + " url " + mInfo.mUri);

            HttpGet request = new HttpGet(state.mRequestUri);
            try {
                executeDownload(state, client, request);
                finished = true;
            } catch (RetryDownload exc) {
                // fall through
            } finally {
                request.abort();
                request = null;
            }
        }

        Utils.D("download completed for " + mInfo.mUri);

        if (!checkFile(state)) {
            throw new Throwable("File MD5 code is not the same as server");
        }

        finalizeDestinationFile(state);
        finalStatus = DownloadManager.Impl.STATUS_SUCCESS;
    } catch (StopRequest error) {
        // remove the cause before printing, in case it contains PII
        Utils.W("Aborting request for download " + mInfo.mId + " url: " + mInfo.mUri + " : "
                + error.getMessage());
        finalStatus = error.mFinalStatus;
        // fall through to finally block
    } catch (Throwable ex) { //sometimes the socket code throws unchecked exceptions
        Utils.W("Exception for id " + mInfo.mId + " url: " + mInfo.mUri + ": " + ex);
        // falls through to the code that reports an error
    } finally {
        if (wakeLock != null) {
            wakeLock.release();
            wakeLock = null;
        }
        if (client != null) {
            client = null;
        }
        cleanupDestination(state, finalStatus);
        notifyDownloadCompleted(finalStatus, state.mCountRetry, state.mRetryAfter, state.mRedirectCount,
                state.mGotData, state.mFilename, state.mNewUri, state.mMimeType);
        mInfo.mHasActiveThread = false;
    }
}