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:com.sentaroh.android.TextFileBrowser.FileViewerFragment.java

@SuppressWarnings("unused")
private void setUiMsg(final TextView tv_msg, Handler handler, final String msg) {
    handler.post(new Runnable() {
        @Override/* www  .j av  a  2  s  . c  o  m*/
        public void run() {
            tv_msg.setVisibility(TextView.VISIBLE);
            tv_msg.setText(msg);
        }
    });
}

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From source file:com.mrcaps.taskswidget.TasksHelper.java

public static void refreshAuthTokenImpl3(final Context context, final boolean invalidate,
        final Runnable continuation) {
    final Handler handl = getHandler();

    //doing this in the same thread leads to deadlock.
    new Thread(new Runnable() {
        public void run() {
            GoogleLoginServiceBlockingHelper helper = null;
            try {
                helper = new GoogleLoginServiceBlockingHelper(context);

                String googleAcct = helper.getAccount(true);
                Log.v(TAG, "Google account is " + googleAcct);
                account = googleAcct;//from w ww.j av a  2  s  . c om

                if (invalidate) {
                    long now = System.currentTimeMillis();
                    Log.v(TAG, "Auth Token Invalidation Requested");
                    if (now - lastInvalidation > invalidationDelta) {
                        Log.v(TAG, "Invalidating Auth Token");
                        try {
                            String intoken = helper.getAuthToken(googleAcct, SERVICE_NAME);
                            helper.invalidateAuthToken(intoken);
                        } catch (AuthenticationException e) {
                            Log.e(TAG, "Couldn't invalidate token", e);
                        }
                        lastInvalidation = now;
                    }
                }

                try {
                    String token = helper.getAuthToken(googleAcct, SERVICE_NAME);
                    Log.v(TAG, "Got auth token:" + token);
                    authToken = token;
                } catch (AuthenticationException e) {
                    Log.e(TAG, "Couldn't authenticate", e);
                    handl.post(new Runnable() {
                        @Override
                        public void run() {
                            Toast.makeText(context, "Error: could not authenticate with Google account",
                                    Toast.LENGTH_SHORT).show();
                        }
                    });

                }

            } catch (GoogleLoginServiceNotFoundException e) {
                Log.e(TAG, "Couldn't find login service - please contact us!", e);
                handl.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(context,
                                "Error: could not find Google Login service - please contact us!",
                                Toast.LENGTH_SHORT).show();
                    }
                });

            } finally {
                if (helper != null) {
                    helper.close();
                }
                continuation.run();
            }
        }
    }).start();
}

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From source file:org.addhen.smssync.presentation.view.ui.fragment.MessageFragment.java

public void requestQuery(final String query) {
    Handler handler = new Handler();
    final Runnable filterDeployments = new Runnable() {
        public void run() {
            try {
                mMessageAdapter.getFilter().filter(query);
            } catch (Exception e) {
                reloadMessages();//www.  j av a  2  s .  co  m
            }
        }
    };

    handler.post(filterDeployments);
}

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From source file:net.bible.android.view.activity.StartupActivity.java

/** Called when the activity is first created. */
@Override/* www.  ja  v  a2s  . co m*/
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.startup_view);

    // do not show an actionBar/title on the splash screen
    getSupportActionBar().hide();

    TextView versionTextView = (TextView) findViewById(R.id.versionText);
    String versionMsg = BibleApplication.getApplication().getString(R.string.version_text,
            CommonUtils.getApplicationVersionName());
    versionTextView.setText(versionMsg);

    //See if any errors occurred during app initialisation, especially upgrade tasks
    int abortErrorMsgId = BibleApplication.getApplication().getErrorDuringStartup();

    // check for SD card 
    // it would be great to check in the Application but how to show dialog from Application?
    if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        abortErrorMsgId = R.string.no_sdcard_error;
    }

    // show fatal startup msg and close app
    if (abortErrorMsgId != 0) {
        Dialogs.getInstance().showErrorMsg(abortErrorMsgId, new Callback() {
            @Override
            public void okay() {
                // this causes the blue splashscreen activity to finish and since it is the top the app closes
                finish();
            }
        });
        // this aborts further initialisation but leaves blue splashscreen activity
        return;
    }

    // allow call back and continuation in the ui thread after JSword has been initialised
    final Handler uiHandler = new Handler();
    final Runnable uiThreadRunnable = new Runnable() {
        @Override
        public void run() {
            postBasicInitialisationControl();
        }
    };

    // initialise JSword in another thread (takes a long time) then call main ui thread Handler to continue
    // this allows the splash screen to be displayed and an hourglass to run
    new Thread() {
        public void run() {
            try {
                // allow the splash screen to be displayed immediately
                CommonUtils.pauseMillis(1);

                // force Sword to initialise itself
                Initialisation.getInstance().initialiseNow();
            } finally {
                // switch back to ui thread to continue
                uiHandler.post(uiThreadRunnable);
            }
        }
    }.start();
}

---

From source file:com.trackdroid.activities.ShowInMapActivity.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 a  2  s . 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;
}

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From source file:com.microsoft.rightsmanagement.sampleapp.MsipcTaskFragment.java

/**
 * Update task status.// w  w  w.j  a v a 2s.co m
 * 
 * @param taskStatus the task status
 */
private void updateTaskStatus(final TaskStatus taskStatus) {
    if (taskStatus.mPostToCaller) {
        Handler handler = new Handler(Looper.getMainLooper());
        handler.post(new Runnable() {
            @Override
            public void run() {
                if (mTaskEventCallback != null) {
                    mLatestUnpostedTaskStatus = null;
                    mTaskEventCallback.onMsipcTaskUpdate(taskStatus);
                } else {
                    mLatestUnpostedTaskStatus = taskStatus;
                }
            }
        });
    }
}

---

From source file:com.androzic.location.LocationService.java

private void updateGpsStatus(final int status, final int fsats, final int tsats) {
    gpsStatus = status;//from  w  w  w.ja  va  2s  .com
    updateNotification();
    final Handler handler = new Handler();
    for (final ILocationListener callback : locationCallbacks) {
        handler.post(new Runnable() {
            @Override
            public void run() {
                callback.onGpsStatusChanged(LocationManager.GPS_PROVIDER, status, fsats, tsats);
            }
        });
    }
    final int n = locationRemoteCallbacks.beginBroadcast();
    for (int i = 0; i < n; i++) {
        final ILocationCallback callback = locationRemoteCallbacks.getBroadcastItem(i);
        try {
            callback.onGpsStatusChanged(LocationManager.GPS_PROVIDER, status, fsats, tsats);
        } catch (RemoteException e) {
            Log.e(TAG, "Status broadcast error", e);
        }
    }
    locationRemoteCallbacks.finishBroadcast();
    Log.d(TAG, "GPS status dispatched: " + (locationCallbacks.size() + n));
}

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From source file:com.androzic.location.LocationService.java

private void updateProvider(final String provider, final boolean enabled) {
    if (LocationManager.GPS_PROVIDER.equals(provider))
        updateNotification();//  w ww.  j  a  v a2 s .co m
    final Handler handler = new Handler();
    for (final ILocationListener callback : locationCallbacks) {
        handler.post(new Runnable() {
            @Override
            public void run() {
                if (enabled)
                    callback.onProviderEnabled(provider);
                else
                    callback.onProviderDisabled(provider);
            }
        });
    }
    final int n = locationRemoteCallbacks.beginBroadcast();
    for (int i = 0; i < n; i++) {
        final ILocationCallback callback = locationRemoteCallbacks.getBroadcastItem(i);
        try {
            if (enabled)
                callback.onProviderEnabled(provider);
            else
                callback.onProviderDisabled(provider);
        } catch (RemoteException e) {
            Log.e(TAG, "Provider broadcast error", e);
        }
    }
    locationRemoteCallbacks.finishBroadcast();
    Log.d(TAG, "Provider status dispatched: " + (locationCallbacks.size() + n));
}

---

From source file:com.bellman.bible.android.view.activity.StartupActivity.java

/**
 * Called when the activity is first created.
 *///  w  ww .j a va  2 s. c  om
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //        setContentView(R.layout.startup_view);

    mIntent = getIntent();
    // do not show an actionBar/title on the splash screen
    getSupportActionBar().hide();

    //get the linear layout
    //        pHolder = (LinearLayout) findViewById(R.id.progress_holder);

    //        TextView versionTextView = (TextView) findViewById(R.id.versionText);
    //        String versionMsg = CurrentActivityHolder.getInstance().getApplication().getString(R.string.version_text, CommonUtils.getApplicationVersionName());
    //        versionTextView.setText(versionMsg);

    //See if any errors occurred during app initialisation, especially upgrade tasks
    // TODO: 8/15/2016 Remember changes made here
    int abortErrorMsgId = 0;//BibleApplication.getApplication(.getErrorDuringStartup();

    // check for SD card 
    // it would be great to check in the Application but how to show dialog from Application?
    if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        abortErrorMsgId = R.string.no_sdcard_error;
    }

    // show fatal startup msg and close app
    if (abortErrorMsgId != 0) {
        Dialogs.getInstance().showErrorMsg(abortErrorMsgId, new Callback() {
            @Override
            public void okay() {
                // this causes the blue splashscreen activity to finish and since it is the top the app closes
                finish();
            }
        });
        // this aborts further initialisation but leaves blue splashscreen activity
        return;
    }

    // allow call back and continuation in the ui thread after JSword has been initialised
    final Handler uiHandler = new Handler();
    final Runnable uiThreadRunnable = new Runnable() {

        @Override
        public void run() {
            postBasicInitialisationControl();
        }
    };

    // initialise JSword in another thread (takes a long time) then call main ui thread Handler to continue
    // this allows the splash screen to be displayed and an hourglass to run
    new Thread() {
        public void run() {
            try {
                // allow the splash screen to be displayed immediately
                CommonUtils.pauseMillis(1);

                // force Sword to initialise itself
                Initialisation.getInstance().initialiseNow();
            } finally {
                // switch back to ui thread to continue
                uiHandler.post(uiThreadRunnable);
            }
        }
    }.start();
}

---

From source file:com.adjust.sdk.ActivityHandler.java

private void launchAttributionListener() {
    if (adjustConfig.onAttributionChangedListener == null) {
        return;//from  w w  w  .  ja v a 2  s  .  c  o m
    }
    Handler handler = new Handler(adjustConfig.context.getMainLooper());
    Runnable runnable = new Runnable() {
        @Override
        public void run() {
            adjustConfig.onAttributionChangedListener.onAttributionChanged(attribution);
        }
    };
    handler.post(runnable);
}

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