Example usage for android.os Handler Handler

Introduction

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

Prototype

public Handler() 

Source Link

Document

Default constructor associates this handler with the Looper for the current thread.

Usage

From source file:com.dimasdanz.kendalipintu.BarcodeOpenDoorActivity.java

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

    autoFocusHandler = new Handler();
    mCamera = getCameraInstance();//from  ww w.  j  av a 2s  .  co m

    scanner = new ImageScanner();
    scanner.setConfig(0, Config.X_DENSITY, 3);
    scanner.setConfig(0, Config.Y_DENSITY, 3);

    mPreview = new BarcodePreview(this, mCamera, previewCb, autoFocusCB);
    FrameLayout preview = (FrameLayout) findViewById(R.id.cameraPreview);
    preview.addView(mPreview);
}

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From source file:com.linkbubble.util.PageInspector.java

public PageInspector(Context context, WebView webView, OnItemFoundListener listener) {
    mContext = context;//from   w  ww.j a  v a 2s .  c om
    mWebView = webView;
    mHandler = new Handler();
    mJSEmbedHandler = new JSEmbedHandler();
    mOnItemFoundListener = listener;
    webView.addJavascriptInterface(mJSEmbedHandler, JS_VARIABLE);
}

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From source file:it.scoppelletti.mobilepower.app.data.DatabaseConnectionManager.java

/**
 * Costruttore./* ww w .  j a  va 2 s .c  o  m*/
 * 
 * @param activity Attività.
 * @param dbName   Nome del database.
 * @param version  Numero di versione del database.
 * @param upgrader Procedura di aggiornamento.
 */
public DatabaseConnectionManager(ActivitySupport activity, String dbName, int version,
        DatabaseUpgrader upgrader) {
    if (activity == null) {
        throw new NullPointerException("Argument activity is null.");
    }
    if (StringUtils.isBlank(dbName)) {
        throw new NullPointerException("Argument dbName is null.");
    }
    if (version < 1) {
        throw new IllegalArgumentException("Argument versione < 1.");
    }
    if (upgrader == null) {
        throw new NullPointerException("Argument upgrader is null.");
    }

    myActivity = activity;
    myDbName = dbName;
    myVersion = version;
    myUpgrader = upgrader;
    myHandler = new Handler();
    myOnDbListeners = new ArrayList<OnDatabaseConnectionListener>(1);
    myUpgraded = false;
}

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From source file:com.uwindsor.elgg.project.http.AsyncHttpResponseHandler.java

/**
 * Creates a new AsyncHttpResponseHandler
 *//*from   w ww  .j  ava2s. c om*/
public AsyncHttpResponseHandler() {

    // Set up a handler to post events back to the correct thread if possible
    if (Looper.myLooper() != null) {
        handler = new Handler() {

            @Override
            public void handleMessage(Message msg) {

                AsyncHttpResponseHandler.this.handleMessage(msg);
            }
        };
    }
}

---

From source file:com.example.android.wearable.wcldemo.pages.StockActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mHandler = new Handler();
    setContentView(R.layout.stock);//w ww  . jav a 2 s . co  m
    setAmbientEnabled();
    mWearManager = WearManager.getInstance();
    mConsumer = new AbstractWearConsumer() {
        @Override
        public void onWearableApiConnected() {
            updateButton(true);
        }

        @Override
        public void onWearableApiConnectionFailed() {
            Log.d(TAG, "Connection failed");
            updateButton(false);
        }

        @Override
        public void onWearableApiConnectionSuspended() {
            Log.d(TAG, "Connection suspended");
            updateButton(false);
        }
    };
    setupViews();
    updateButton(mWearManager.isConnected());
    mSubmit.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            clearValues();
            Set<Node> nodes = mWearManager.getNodesForCapability(Constants.CAPABILITY_HTTP_HANDLER);
            Log.d(TAG, "available http handler nodes: " + nodes);
            String nodeId = null;
            Node node = Utils.filterForNearby(nodes);
            if (node != null) {
                nodeId = node.getId();
            } else {
                Toast.makeText(StockActivity.this, R.string.no_node_available, Toast.LENGTH_SHORT).show();
                return;
            }
            mProgressBar.setVisibility(View.VISIBLE);
            try {
                new WearHttpHelper.Builder(url, StockActivity.this).setHttpMethod(WearHttpHelper.METHOD_GET) // optional, GET is default
                        .setTargetNodeId(nodeId).setHttpResponseListener(StockActivity.this)
                        // default timeout is 15000 ms = 15 seconds
                        .setTimeout(TimeUnit.SECONDS.toMillis(10)).build().makeHttpRequest();
            } catch (IllegalStateException e) {
                Log.e(TAG, "No Api Client Connection");
                mProgressBar.setVisibility(View.GONE);
            } catch (IllegalArgumentException e) {
                Log.e(TAG, "Arguments are missing for the http call", e);
                mProgressBar.setVisibility(View.GONE);
            }
        }
    });

}

---

From source file:org.chromium.media.MediaDrmBridge.java

private MediaDrmBridge(UUID schemeUUID, String securityLevel, int nativeMediaDrmBridge)
        throws android.media.UnsupportedSchemeException {
    mSchemeUUID = schemeUUID;/* w ww .  j  av  a2 s . c o  m*/
    mMediaDrm = new MediaDrm(schemeUUID);
    mHandler = new Handler();
    mNativeMediaDrmBridge = nativeMediaDrmBridge;
    mResetDeviceCredentialsPending = false;
    mMediaDrm.setOnEventListener(new MediaDrmListener());
    mMediaDrm.setPropertyString(PRIVACY_MODE, "enable");
    String currentSecurityLevel = mMediaDrm.getPropertyString(SECURITY_LEVEL);
    Log.e(TAG, "Security level: current " + currentSecurityLevel + ", new " + securityLevel);
    if (!securityLevel.equals(currentSecurityLevel))
        mMediaDrm.setPropertyString(SECURITY_LEVEL, securityLevel);
}

---

From source file:be.vbsteven.bmtodesk.RegistrationActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    setTheme(android.R.style.Theme_Light_NoTitleBar);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.registration);

    handler = new Handler();

    button = (Button) findViewById(R.id.but_create);
    button.setOnClickListener(new OnClickListener() {

        @Override//from  ww  w  .ja  va  2  s.  c o m
        public void onClick(View v) {
            register();
        }

    });

    button = (Button) findViewById(R.id.but_login);
    button.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            checkLogin();
        }

    });

    CheckBox cb = (CheckBox) findViewById(R.id.cb_password);
    cb.setOnCheckedChangeListener(new OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            EditText password = (EditText) findViewById(R.id.et_password);
            if (isChecked) {
                password.setTransformationMethod(null);
            } else {
                password.setTransformationMethod(new PasswordTransformationMethod());
            }
        }
    });
}

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From source file:br.com.agendatech.cadastro.DrawableManager.java

public void fetchDrawableOnThread(final String urlString, final ImageView imageView) {
    if (drawableMap.containsKey(urlString)) {
        imageView.setImageDrawable(drawableMap.get(urlString));
    }// w ww .j av a  2 s  . co  m

    final Handler handler = new Handler() {
        @Override
        public void handleMessage(Message message) {
            imageView.setImageDrawable((Drawable) message.obj);
        }
    };

    Thread thread = new Thread() {
        @Override
        public void run() {
            //TODO : set imageView to a "pending" image
            Drawable drawable = fetchDrawable(urlString);
            Message message = handler.obtainMessage(1, drawable);
            handler.sendMessage(message);
        }
    };
    thread.start();
}

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From source file:com.pdfread.standardreader.net.AsyncHttpResponseHandler.java

/**
 * Creates a new AsyncHttpResponseHandler
 */// w  w  w  . jav  a 2  s  .c  o m
public AsyncHttpResponseHandler() {
    if (Looper.myLooper() != null) {
        handler = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                AsyncHttpResponseHandler.this.handleMessage(msg);
            }
        };
    }
}

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

private void initialiseView() {
    // prepare to show no tasks msg
    noTasksMessageView = (TextView) findViewById(R.id.noTasksRunning);
    taskKillWarningView = (TextView) findViewById(R.id.progressStatusMessage);

    Iterator<Progress> jobsIterator = JobManager.iterator();
    while (jobsIterator.hasNext()) {
        Progress job = jobsIterator.next();
        findOrCreateUIControl(job);//from   w  w w  . ja v  a2s  . c o  m
    }

    // allow call back and continuation in the ui thread after JSword has been initialised
    final Handler uiHandler = new Handler();
    final Runnable uiUpdaterRunnable = new Runnable() {
        @Override
        public void run() {
            Progress prog = progressNotificationQueue.poll();
            if (prog != null) {
                updateProgress(prog);
            }
        }
    };

    // listen for Progress changes and call the above Runnable to update the ui
    workListener = new WorkListener() {
        @Override
        public void workProgressed(WorkEvent ev) {
            callUiThreadUpdateHandler(ev);
        }

        @Override
        public void workStateChanged(WorkEvent ev) {
            callUiThreadUpdateHandler(ev);
        }

        private void callUiThreadUpdateHandler(WorkEvent ev) {
            Progress prog = ev.getJob();
            progressNotificationQueue.offer(prog);
            // switch back to ui thread to continue
            uiHandler.post(uiUpdaterRunnable);
        }
    };
    JobManager.addWorkListener(workListener);

    // give new jobs a chance to start then show 'No Job' msg if nothing running
    uiHandler.postDelayed(new Runnable() {
        @Override
        public void run() {
            if (!JobManager.iterator().hasNext()) {
                showNoTaskMsg(true);
            }
        }
    }, 4000);
}

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