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.momock.binder.container.ViewPagerBinder.java

public void onBind(final ViewPager view, final IDataList<?> dataSource) {
    if (view != null) {
        if (refIndicator != null && refIndicator.get() != null) {
            refIndicator.get().setCount(dataSource.getItemCount());
        }//from  w w  w  .j a  v a  2  s .  c  om
        view.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

            @Override
            public void onPageSelected(int position) {
                position = adapter instanceof IRoundAdapter
                        ? ((IRoundAdapter) adapter).getRealPosition(position)
                        : position;
                Object item = dataSource.getItem(position);
                ItemEventArgs args = new ItemEventArgs(view, position, item);
                itemSelectedEvent.fireEvent(view, args);
                if (refIndicator != null && refIndicator.get() != null) {
                    refIndicator.get().setCurrentIndex(position);
                }
            }

            @Override
            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

            }

            @Override
            public void onPageScrollStateChanged(int state) {
                viewPagerState = state;
            }
        });
        view.setOnTouchListener(new View.OnTouchListener() {
            GestureDetector detector = null;

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                view.getParent().requestDisallowInterceptTouchEvent(true);
                if (detector == null) {
                    detector = new GestureDetector(v.getContext(),
                            new GestureDetector.SimpleOnGestureListener() {

                                @Override
                                public boolean onSingleTapConfirmed(MotionEvent e) {
                                    Object item = dataSource.getItem(adapter instanceof IRoundAdapter
                                            ? ((IRoundAdapter) adapter).getRealPosition(view.getCurrentItem())
                                            : view.getCurrentItem());
                                    ItemEventArgs args = new ItemEventArgs(view, view.getCurrentItem(), item);
                                    itemClickedEvent.fireEvent(view, args);
                                    return true;
                                }

                            });
                }
                return detector.onTouchEvent(event);
            }
        });
        adapter = new PagerAdapter() {
            BlockingQueue<View> savedViews = new LinkedBlockingQueue<View>();

            @Override
            public int getCount() {
                return dataSource.getItemCount();
            }

            @Override
            public boolean isViewFromObject(View view, Object object) {
                return view == ((View) object);
            }

            @Override
            public Object instantiateItem(ViewGroup container, int position) {
                View convertView = null;
                if (savedViews.size() > 0) {
                    convertView = savedViews.poll();
                }
                Object item = dataSource.getItem(position);
                if (convertView != null)
                    convertView.setTag(null);
                convertView = itemBinder.onCreateItemView(convertView, item, ViewPagerBinder.this);
                convertView.setTag(item);
                container.addView(convertView, 0);
                return convertView;
            }

            @Override
            public void destroyItem(ViewGroup container, int position, Object object) {
                savedViews.add((View) object);
                container.removeView((View) object);
            }

            long lastDataSetChangedTick = 0;

            @Override
            public void notifyDataSetChanged() {
                lastDataSetChangedTick = System.nanoTime();
                getDataChangedEvent().fireEvent(this, new EventArgs());
                if (refIndicator != null && refIndicator.get() != null) {
                    refIndicator.get().setCount(dataSource.getItemCount());
                }
                super.notifyDataSetChanged();
                Logger.debug("ViewPagerBinder.PagerAdapter.notifyDataSetChanged");
            }

            long updateTick = 0;

            @Override
            public void startUpdate(ViewGroup container) {
                updateTick = System.nanoTime();
                super.startUpdate(container);
            }

            @Override
            public void setPrimaryItem(ViewGroup container, int position, Object object) {
                super.setPrimaryItem(container, position, object);
            }

            @Override
            public void finishUpdate(ViewGroup container) {
                super.finishUpdate(container);
                if (lastDataSetChangedTick < updateTick)
                    lastDataSetChangedTick = 0;
            }

            @Override
            public int getItemPosition(Object object) {
                return lastDataSetChangedTick == 0 ? PagerAdapter.POSITION_UNCHANGED
                        : PagerAdapter.POSITION_NONE;
            }
        };
        if (round)
            adapter = new RoundPagerAdapter(adapter);
        view.setAdapter(adapter);
        dataSource.addDataChangedHandler(new IEventHandler<DataChangedEventArgs>() {

            @Override
            public void process(Object sender, DataChangedEventArgs args) {
                adapter.notifyDataSetChanged();
            }

        });
        if (round)
            view.setCurrentItem(Math.max(100, dataSource.getItemCount() * 100), false);
    }
}

---

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

@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);

    boolean autoFocus = getIntent().getBooleanExtra(AutoFocus, false);
    boolean useFlash = getIntent().getBooleanExtra(UseFlash, false);

    int rc = ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
    if (rc == PackageManager.PERMISSION_GRANTED) {
        createCameraSource(autoFocus, useFlash);
    } else {//from w  w w  . ja v  a 2  s. c o m
        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.drmidnight.materialtest.MainActivity.java

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

    toolbar = (Toolbar) findViewById(R.id.tool_bar);
    setSupportActionBar(toolbar);/*  w  w w  . j  a  va  2s  .co  m*/

    mRecyclerView = (RecyclerView) findViewById(R.id.RecyclerView); // Assigning the RecyclerView Object to the xml View

    mRecyclerView.setHasFixedSize(true); // Letting the system know that the list objects are of fixed size

    mAdapter = new MyAdapter(TITLES, ICONS, TITLES2, ICONS2, TITLES3, ICONS3, SUBTITLES, NAME, EMAIL, PROFILE,
            this); // Creating the Adapter of MyAdapter class(which we are going to see in a bit)
    // And passing the titles,icons,header view name, header view email,
    // and header view profile picture

    mRecyclerView.setAdapter(mAdapter); // Setting the adapter to RecyclerView

    final GestureDetector mGestureDetector = new GestureDetector(MainActivity.this,
            new GestureDetector.SimpleOnGestureListener() {

                @Override
                public boolean onSingleTapUp(MotionEvent e) {
                    return true;
                }

            });

    mRecyclerView.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
        @Override
        public boolean onInterceptTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
            View child = recyclerView.findChildViewUnder(motionEvent.getX(), motionEvent.getY());

            if (child != null && mGestureDetector.onTouchEvent(motionEvent)) {
                //Drawer.closeDrawers();
                Toast.makeText(MainActivity.this,
                        "The Item Clicked is: " + recyclerView.getChildPosition(child), Toast.LENGTH_SHORT)
                        .show();

                switch (recyclerView.getChildPosition(child)) {
                case 0:
                    //This is the header
                    break;
                case 1:
                    Drawer.closeDrawers();
                    break;
                case 2:
                    Drawer.closeDrawers();
                    Intent diningintent = new Intent(MainActivity.this, DiningActivity.class);
                    startActivity(diningintent);
                    break;
                case 3:
                    Drawer.closeDrawers();
                    break;
                case 4:
                    Drawer.closeDrawers();
                    break;
                case 5:
                    Drawer.closeDrawers();
                    break;
                case 6:
                    //This is a line
                    break;
                case 7:
                    //This is a subtitle
                    break;
                case 8:
                    Drawer.closeDrawers();
                    Intent browserIntent = new Intent(Intent.ACTION_VIEW,
                            Uri.parse("https://my.ucsc.edu/psp/ep9prd/?cmd=login&languageCd=ENG"));
                    if (browserIntent.resolveActivity(getPackageManager()) != null) {
                        startActivity(browserIntent);
                    }
                    break;
                case 9:
                    Drawer.closeDrawers();
                    Intent browserIntent2 = new Intent(Intent.ACTION_VIEW,
                            Uri.parse("https://ecommons.ucsc.edu/portal/login"));
                    if (browserIntent2.resolveActivity(getPackageManager()) != null) {
                        startActivity(browserIntent2);
                    }
                    break;
                case 10:
                    Drawer.closeDrawers();
                    Intent browserIntent3 = new Intent(android.content.Intent.ACTION_VIEW,
                            Uri.parse("https://piazza.com/class"));
                    if (browserIntent3.resolveActivity(getPackageManager()) != null) {
                        startActivity(browserIntent3);
                    }
                    break;
                case 12:
                    Drawer.closeDrawers();
                    break;
                case 13:
                    Drawer.closeDrawers();
                    break;
                case 14:
                    Drawer.closeDrawers();
                    break;
                default:
                    break;
                }

                return true;

            }

            return false;
        }

        @Override
        public void onTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {

        }
    });

    mLayoutManager = new LinearLayoutManager(this); // Creating a layout Manager

    mRecyclerView.setLayoutManager(mLayoutManager); // Setting the layout Manager

    Drawer = (DrawerLayout) findViewById(R.id.DrawerLayout); // Drawer object Assigned to the view
    mDrawerToggle = new ActionBarDrawerToggle(this, Drawer, toolbar, R.string.navigation_drawer_open,
            R.string.navigation_drawer_close) {

        @Override
        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            // code here will execute once the drawer is opened( As I dont want anything happened whe drawer is
            // open I am not going to put anything here)
        }

        @Override
        public void onDrawerClosed(View drawerView) {
            super.onDrawerClosed(drawerView);
            // Code here will execute once drawer is closed
        }

    }; // Drawer Toggle Object Made
    Drawer.setDrawerListener(mDrawerToggle); // Drawer Listener set to the Drawer toggle
    mDrawerToggle.syncState(); // Finally we set the drawer toggle sync State

}

---

From source file:io.github.azuldigital.OcrCaptureActivity.java

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

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

    // 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(true, false);
    } else {
        requestCameraPermission();
    }
    gestureDetector = new GestureDetector(this, new CaptureGestureListener());
    scaleGestureDetector = new ScaleGestureDetector(this, new ScaleListener());

    Snackbar.make(mGraphicOverlay, "Toque para capturar a placa", Snackbar.LENGTH_LONG).show();
}

---

From source file:org.kei.android.phone.mangastore.AppFragment.java

@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
        final Bundle savedInstanceState) {
    final ViewGroup rootView = (ViewGroup) inflater.inflate(layout_id, container, false);
    swipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_layout);
    listMangas = (ListView) rootView.findViewById(R.id.list);
    listMangas.setAdapter(adapter);//  www.j  a  v a2s  . c  o  m
    indexer.initialize(rootView);
    multiChoice = new ListMultiChoice(((MangaStorePagerActivity) getActivity()), listMangas);
    gestureDetector = new GestureDetector(rootView.getContext(), indexer);
    listMangas.setOnItemClickListener(this);
    listMangas.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE_MODAL);
    listMangas.setMultiChoiceModeListener(multiChoice);
    rootView.setOnTouchListener(new OnTouchListener() {
        @Override
        public boolean onTouch(final View v, final MotionEvent event) {
            if (gestureDetector.onTouchEvent(event))
                return true;
            else
                return false;
        }
    });
    swipeRefreshLayout.setOnRefreshListener(this);
    /**
     * Showing Swipe Refresh animation on activity create
     * As animation won't start on onCreate, post runnable is used
     */
    swipeRefreshLayout.post(new Runnable() {
        @Override
        public void run() {
            swipeRefreshLayout.setRefreshing(true);
            fetch();
        }
    });

    return rootView;
}

---

From source file:events.equaliser.android.barcode.BarcodeCaptureActivity.java

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

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

    // 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(true, false);
    } 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:spinc.spmmvp.google_vision.ocrReader_start.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *///www .  j  a v  a 2s  . c om
@Override
public void onCreate(Bundle bundle) {
    super.onCreate(bundle);
    setContentView(R.layout.ocr_capture_start);

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

    // Set good defaults for capturing text.
    boolean autoFocus = true;
    boolean 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 Speak. Pinch/Stretch to zoom", Snackbar.LENGTH_LONG).show();

    // TODO: Set up the Text To Speech engine.
}

---

From source file:com.billooms.harppedals.HarpPedalsActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    //      Log.d(TAG, "HarpPedalsActivity.onCreate");
    super.onCreate(savedInstanceState);

    setVolumeControlStream(AudioManager.STREAM_MUSIC);

    dialogBuilder = new AlertDialog.Builder(this);
    dialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
        @Override/*from   w  w  w.j a va 2  s  .  co m*/
        public void onClick(DialogInterface dialog, int which) {
            // don't do anything except close the dialog
        }
    });

    // This will be either the standard (small) layout or the large layout
    setContentView(R.layout.activity_main);

    // Check that the activity is using the standard (small) layout version with the 'fragment_container' FrameLayout
    if (findViewById(R.id.fragment_container) != null) {
        // Gesture Detector to detect horizontal swipes
        if (gDetector == null) {
            gDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
                @Override
                public boolean onFling(MotionEvent start, MotionEvent finish, float xVelocity,
                        float yVelocity) {
                    if ((finish == null) || (start == null)) { // not sure why, but the float dx = gives null pointer error sometimes
                        return false;
                    }
                    Fragment swipeFragment = getSupportFragmentManager().findFragmentByTag(NO_SWIPE);
                    if (swipeFragment == null) { // only process swipes in one-pane PedalFragments
                        float dx = finish.getRawX() - start.getRawX();
                        float dy = finish.getRawY() - start.getRawY();
                        if (Math.abs(dy) < Math.abs(dx)) { // horizontal
                            if (dx < 0) { // swipe toward the left for KeySignature
                                launchKeyFragment();
                            } else { // swipe toward the right for Chord
                                launchChordFragment();
                            }
                        }
                        return true; // gesture has been consumed
                    }
                    return false; // don't process swipes if we're not in a one-pane PedalFragment
                }
            });
        }

        // If we're being restored from a previous state,
        // then we don't need to do anything and should return or else
        // we could end up with overlapping fragments.
        if (savedInstanceState != null) {
            return;
        }

        // Create a new PedalFragment to be placed in the activity layout
        PedalFragment pedalFragment = new PedalFragment();
        // Add the fragment to the 'fragment_container' FrameLayout
        getSupportFragmentManager().beginTransaction()
                .add(R.id.fragment_container, pedalFragment, TAG_PEDAL_FRAG).commit();
    }
}

---

From source file:sdi.com.currencywizard.autocapture.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 *//*from  www  . j a v  a  2 s .c  o 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());

}

---

From source file:com.arunsoorya.onthisday.ocrlib.OcrCaptureActivity.java

/**
 * Initializes the UI and creates the detector pipeline.
 */// w  w w .j  av 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, 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();
}

---

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