Example usage for android.view GestureDetector GestureDetector

Introduction

In this page you can find the example usage for android.view GestureDetector GestureDetector.

Prototype

public GestureDetector(Context context, OnGestureListener listener) 

Source Link

Document

Creates a GestureDetector with the supplied listener.

Usage

From source file:com.example.sanya.likhawat_v1.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *///from  ww w  .  ja v a 2s .c om
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.ocr_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<OcrGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom", Snackbar.LENGTH_LONG).show();
}

---

From source file:com.farmerbb.taskbar.activity.HomeActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);

    View view = new View(this);
    view.setOnClickListener(view1 -> LocalBroadcastManager.getInstance(HomeActivity.this)
            .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_START_MENU")));

    view.setOnLongClickListener(view12 -> {
        setWallpaper();/*from  ww  w  . jav  a  2s .co  m*/
        return false;
    });

    view.setOnGenericMotionListener((view13, motionEvent) -> {
        if (motionEvent.getAction() == MotionEvent.ACTION_BUTTON_PRESS
                && motionEvent.getButtonState() == MotionEvent.BUTTON_SECONDARY) {
            setWallpaper();
        }
        return false;
    });

    final GestureDetector detector = new GestureDetector(this, new GestureDetector.OnGestureListener() {
        @Override
        public boolean onSingleTapUp(MotionEvent e) {
            return false;
        }

        @Override
        public void onShowPress(MotionEvent e) {
        }

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            return false;
        }

        @Override
        public void onLongPress(MotionEvent e) {
        }

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            return false;
        }

        @Override
        public boolean onDown(MotionEvent e) {
            return false;
        }
    });

    detector.setOnDoubleTapListener(new GestureDetector.OnDoubleTapListener() {
        @Override
        public boolean onDoubleTap(MotionEvent e) {
            final SharedPreferences pref = U.getSharedPreferences(HomeActivity.this);
            if (!pref.getBoolean("dont_show_double_tap_dialog", false)) {
                if (pref.getBoolean("double_tap_to_sleep", false)) {
                    U.lockDevice(HomeActivity.this);
                } else {
                    int theme = -1;
                    switch (pref.getString("theme", "light")) {
                    case "light":
                        theme = R.style.AppTheme;
                        break;
                    case "dark":
                        theme = R.style.AppTheme_Dark;
                        break;
                    }

                    AlertDialog.Builder builder = new AlertDialog.Builder(
                            new ContextThemeWrapper(HomeActivity.this, theme));
                    builder.setTitle(R.string.double_tap_to_sleep)
                            .setMessage(R.string.enable_double_tap_to_sleep)
                            .setNegativeButton(
                                    pref.getBoolean("double_tap_dialog_shown", false)
                                            ? R.string.action_dont_show_again
                                            : R.string.action_cancel,
                                    (dialog, which) -> pref.edit()
                                            .putBoolean(pref.getBoolean("double_tap_dialog_shown", false)
                                                    ? "dont_show_double_tap_dialog"
                                                    : "double_tap_dialog_shown", true)
                                            .apply())
                            .setPositiveButton(R.string.action_ok, (dialog, which) -> {
                                pref.edit().putBoolean("double_tap_to_sleep", true).apply();
                                U.lockDevice(HomeActivity.this);
                            });

                    AlertDialog dialog = builder.create();
                    dialog.show();
                }
            }

            return false;
        }

        @Override
        public boolean onDoubleTapEvent(MotionEvent e) {
            return false;
        }

        @Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            return false;
        }

    });

    view.setOnTouchListener((v, event) -> {
        detector.onTouchEvent(event);
        return false;
    });

    setContentView(view);

    LocalBroadcastManager.getInstance(this).registerReceiver(killReceiver,
            new IntentFilter("com.farmerbb.taskbar.KILL_HOME_ACTIVITY"));
    LocalBroadcastManager.getInstance(this).registerReceiver(forceTaskbarStartReceiver,
            new IntentFilter("com.farmerbb.taskbar.FORCE_TASKBAR_RESTART"));
}

---

From source file:nl.achan.apps.sbb_spelgids.scanner.BarcodeCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *///ww  w  .  j  ava  2 s .  c o m
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.barcode_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<BarcodeGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, true);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom", Snackbar.LENGTH_LONG).show();
}

---

From source file:com.example.ocr.linkfetcherocr.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *///from  w  w  w  . j  av  a  2s .  co  m
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.ocr_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<OcrGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom", Snackbar.LENGTH_LONG).show();
    // To get a back button when capturing a picture
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

}

---

From source file:it.jaschke.alexandria.CameraPreview.BarcodeCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *///w ww.  j  a  v a  2  s  .  c  o  m
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.barcode_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<BarcodeGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    //        Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom",
    //                Snackbar.LENGTH_LONG)
    //                .show();
}

---

From source file:com.amazon.appstream.sampleclient.SampleClientActivity.java

/**
 * Initialization. Sets up the app and spawns the connection
 * dialog.//from ww  w .  j a  va2s  . c o m
 */
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Log.v(TAG, "onCreate");
    mGestureDetector = new GestureDetector(this, this);

    mGestureDetector.setIsLongpressEnabled(false);

    mTouchscreenAvailable = getPackageManager().hasSystemFeature("android.hardware.touchscreen");
    Log.v(TAG, "Touch screen available: " + mTouchscreenAvailable);

    SharedPreferences prefs = getSharedPreferences("main", MODE_PRIVATE);
    if (prefs.contains(SERVER_ADDRESS)) {
        mServerAddress = prefs.getString(SERVER_ADDRESS, null);
    }
    if (prefs.contains(DES_SERVER_ADDRESS)) {
        mDESServerAddress = prefs.getString(DES_SERVER_ADDRESS, null);
    }
    if (prefs.contains(USE_APP_SERVER)) {
        mUseAppServer = prefs.getBoolean(USE_APP_SERVER, false);
    }
    if (prefs.contains(APP_ID)) {
        mAppId = prefs.getString(APP_ID, null);
    }
    if (prefs.contains(USER_ID)) {
        mUserId = prefs.getString(USER_ID, null);
    }

    requestWindowFeature(Window.FEATURE_NO_TITLE);
}

---

From source file:com.ohbrothers.www.accountbook.ocr.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *//*w w  w  . ja v  a2  s  .  c  om*/
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.ocr_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<OcrGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, R.string.tap_to_capture, Snackbar.LENGTH_LONG).show();
}

---

From source file:com.example.paulogabriel.test_app.BarcodeCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *//*from   ww w  .  ja va 2s  .c  o  m*/
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.barcode_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<BarcodeGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    /*Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom",
        Snackbar.LENGTH_LONG)
        .show();*/
}

---

From source file:de.damdi.fitness.activity.create_workout.ExerciseTypeDetailFragment.java

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

    // show the current exercise

    ImageView imageview = (ImageView) rootView.findViewById(R.id.imageview);

    // set gesture detector
    this.mGestureScanner = new GestureDetector(this.getActivity(),
            new ExerciseDetailOnGestureListener(this, imageview, mExercise));

    // Images/* w ww.j ava  2s  . co  m*/
    if (!mExercise.getImagePaths().isEmpty()) {
        DataHelper data = new DataHelper(getActivity());
        imageview.setImageDrawable(data.getDrawable(mExercise.getImagePaths().get(0).toString()));
    } else {
        imageview.setImageResource(R.drawable.ic_launcher);
    }

    rootView.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            return mGestureScanner.onTouchEvent(event);
        }
    });

    return rootView;
}

---

From source file:argusui.com.argus.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *//* w ww .  ja  va 2  s.com*/
@Override
public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.ocr_capture);

    mPreview = (CameraSourcePreview) findViewById(R.id.preview);
    mGraphicOverlay = (GraphicOverlay<OcrGraphic>) findViewById(R.id.graphicOverlay);

    // read parameters from the intent used to launch the activity.
    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    // Check for the camera permission before accessing the camera.  If the
    // permission is not granted yet, request permission.
    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {
        requestCameraPermission();
    }

    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, "Tap to capture. Pinch/Stretch to zoom", Snackbar.LENGTH_LONG).show();

    // TODO: Set up the Text To Speech engine.
    TextToSpeech.OnInitListener listener = new TextToSpeech.OnInitListener() {
        @Override
        public void onInit(final int status) {
            if (status == TextToSpeech.SUCCESS) {
                Log.d("TTS", "Text to speech engine started successfully.");
                tts.setLanguage(Locale.US);
            } else {
                Log.d("TTS", "Error starting the text to speech engine.");
            }
        }
    };
    tts = new TextToSpeech(this.getApplicationContext(), listener);
}

---

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