2014/10/16 上午 08:12:19

android Programming Glossary: detector

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

@Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX.. boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX pivotPointY detector.getFocusY.. detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX pivotPointY detector.getFocusY Log.d LOG_TAG mScaleFactor..

Can't run a java android program with valgrind

http://stackoverflow.com/questions/13531496/cant-run-a-java-android-program-with-valgrind

.MainActivity I'm getting 2362 Memcheck a memory error detector 2362 Copyright C 2002 2012 and GNU GPL'd by Julian Seward et..

How can I make a horizontal ListView in Android? [duplicate]

http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android

in addition to delegating to the gesture detector I also had to return true for ACTION_UP and ACTION_CANCEL events...

How to implement touch listener on image?

http://stackoverflow.com/questions/4207067/how-to-implement-touch-listener-on-image

return true 2 Create an instance of your gesture detector. I'm making a member variable and instantiating in onCreate... on your imageview and route the messages to your gesture detector ImageView iv ImageView findViewById R.id.yourimageviewid iv.setOnTouchListener..

Android Swipe on List

http://stackoverflow.com/questions/4373485/android-swipe-on-list

false return false return false 2nd I use the swipe detector class in the list view final ListView lv getListView final SwipeDetector..

DoubleTap in android

http://stackoverflow.com/questions/4804798/doubletap-in-android

attrs super context attrs creating new gesture detector gestureDetector new GestureDetector context new GestureListener.. calculation and drawing delegate the event to the gesture detector @Override public boolean onTouchEvent MotionEvent e return gestureDetector.onTouchEvent..

Pinch zoom for custom view

http://stackoverflow.com/questions/5216658/pinch-zoom-for-custom-view

@Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object get.. boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object get too small or too large...

Android ViewFlipper not flipping

http://stackoverflow.com/questions/5563749/android-viewflipper-not-flipping

Bundle savedInstanceState ... listView this.getListView detector new GestureDetector this new FlingGestureListener listView .....

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

@Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object.. onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object get too small or too large...

How to crop image in android

http://stackoverflow.com/questions/6464123/how-to-crop-image-in-android

mScale if faceBitmap null mDoFaceDetection FaceDetector detector new FaceDetector faceBitmap.getWidth faceBitmap.getHeight mFaces.length.. faceBitmap.getHeight mFaces.length mNumFaces detector.findFaces faceBitmap mFaces if faceBitmap null faceBitmap mBitmap..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

How Does OpenCV ORB Feature Detector Work?

http://stackoverflow.com/questions/7232651/how-does-opencv-orb-feature-detector-work

a feature based alignment algorithm using the ORB feature detector and extractor. So far I extracted the features using ORB class..

Get Canvas coordinates after scaling up/down or dragging in android

http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android

How do I modify TouchImageView with double tap to zoom in and out?

http://stackoverflow.com/questions/7704086/how-do-i-modify-touchimageview-with-double-tap-to-zoom-in-and-out

@Override public boolean onScaleBegin ScaleGestureDetector detector mode ZOOM return true @Override public boolean onScale ScaleGestureDetector.. true @Override public boolean onScale ScaleGestureDetector detector LogUtil.i TAG detector.getScaleFactor detector.getFocusX detector.getFocusY.. onScale ScaleGestureDetector detector LogUtil.i TAG detector.getScaleFactor detector.getFocusX detector.getFocusY float mScaleFactor..

How to find absolute position of click while zoomed in

http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in

@Override public boolean onScale ScaleGestureDetector detector if mScaleAllowed mCustomImageView.scale detector.getScaleFactor.. detector if mScaleAllowed mCustomImageView.scale detector.getScaleFactor mCenterX mCenterY return true The scale function..

Gesture detection and ScrollView issue

http://stackoverflow.com/questions/8330187/gesture-detection-and-scrollview-issue

ViewFlipper containing ImageView with a vertical swipe detector to go to previous next ImageView. When I replace the ScrollView.. I replace the ScrollView by a LinearLayout both gesture detectors work properly but with the ScrollView none work the gesture.. triggers . Why does using a ScrollView disable my gesture detectors How can I make it work Thanks Activity public class ProduitHome..

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

extends ScaleGestureDetector.SimpleOnScaleGestureListener @Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX pivotPointY detector.getFocusY Log.d LOG_TAG mScaleFactor.. @Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX pivotPointY detector.getFocusY Log.d LOG_TAG mScaleFactor mScaleFactor Log.d.. @Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor pivotPointX detector.getFocusX pivotPointY detector.getFocusY Log.d LOG_TAG mScaleFactor mScaleFactor Log.d LOG_TAG pivotPointY pivotPointY pivotPointX..

Can't run a java android program with valgrind

http://stackoverflow.com/questions/13531496/cant-run-a-java-android-program-with-valgrind

valgrind am start a android.intent.action.MAIN n com.me.myapp .MainActivity I'm getting 2362 Memcheck a memory error detector 2362 Copyright C 2002 2012 and GNU GPL'd by Julian Seward et al. 2362 Using Valgrind 3.8.1 and LibVEX rerun with h for copyright..

How can I make a horizontal ListView in Android? [duplicate]

http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android

additions to Swathi's code to get what I wanted. In GestureListener.onTouch in addition to delegating to the gesture detector I also had to return true for ACTION_UP and ACTION_CANCEL events. That successfully disabled the center locking feature..

How to implement touch listener on image?

http://stackoverflow.com/questions/4207067/how-to-implement-touch-listener-on-image

onDoubleTapEvent MotionEvent e Log.i Taghere.. onDoubleTapEvent return true 2 Create an instance of your gesture detector. I'm making a member variable and instantiating in onCreate. private GestureDetector mDetector mDetector new GestureDetector.. this new MyGestureDetector 3 Setup a touch listener on your imageview and route the messages to your gesture detector ImageView iv ImageView findViewById R.id.yourimageviewid iv.setOnTouchListener new OnTouchListener @Override public boolean..

Android Swipe on List

http://stackoverflow.com/questions/4373485/android-swipe-on-list

logTag Swipe Bottom to Top mSwipeDetected Action.BT return false return false return false 2nd I use the swipe detector class in the list view final ListView lv getListView final SwipeDetector swipeDetector new SwipeDetector lv.setOnTouchListener..

DoubleTap in android

http://stackoverflow.com/questions/4804798/doubletap-in-android

gestureDetector public MyView Context context AttributeSet attrs super context attrs creating new gesture detector gestureDetector new GestureDetector context new GestureListener skipping measure calculation and drawing delegate the event.. context new GestureListener skipping measure calculation and drawing delegate the event to the gesture detector @Override public boolean onTouchEvent MotionEvent e return gestureDetector.onTouchEvent e private class GestureListener..

Pinch zoom for custom view

http://stackoverflow.com/questions/5216658/pinch-zoom-for-custom-view

extends ScaleGestureDetector.SimpleOnScaleGestureListener @Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object get too small or too large. mScaleFactor Math.max 0.1f Math.min.. @Override public boolean onScale ScaleGestureDetector detector mScaleFactor detector.getScaleFactor Don't let the object get too small or too large. mScaleFactor Math.max 0.1f Math.min mScaleFactor 5.0f invalidate..

Android ViewFlipper not flipping

http://stackoverflow.com/questions/5563749/android-viewflipper-not-flipping

but it does not. Activity @Override public void onCreate Bundle savedInstanceState ... listView this.getListView detector new GestureDetector this new FlingGestureListener listView ... FlingGestureListener public boolean onFling MotionEvent e1..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

How to crop image in android

http://stackoverflow.com/questions/6464123/how-to-crop-image-in-android

Bitmap faceBitmap prepareBitmap mScale 1.0F mScale if faceBitmap null mDoFaceDetection FaceDetector detector new FaceDetector faceBitmap.getWidth faceBitmap.getHeight mFaces.length mNumFaces detector.findFaces faceBitmap mFaces if.. FaceDetector detector new FaceDetector faceBitmap.getWidth faceBitmap.getHeight mFaces.length mNumFaces detector.findFaces faceBitmap mFaces if faceBitmap null faceBitmap mBitmap faceBitmap.recycle mHandler.post new Runnable public void..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

How Does OpenCV ORB Feature Detector Work?

http://stackoverflow.com/questions/7232651/how-does-opencv-orb-feature-detector-work

Does OpenCV ORB Feature Detector Work I want to implement a feature based alignment algorithm using the ORB feature detector and extractor. So far I extracted the features using ORB class from OpenCV ORB orb orb gray_image Mat features.keypoints..

Get Canvas coordinates after scaling up/down or dragging in android

http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android

How do I modify TouchImageView with double tap to zoom in and out?

http://stackoverflow.com/questions/7704086/how-do-i-modify-touchimageview-with-double-tap-to-zoom-in-and-out

class ScaleListener extends SimpleOnScaleGestureListener @Override public boolean onScaleBegin ScaleGestureDetector detector mode ZOOM return true @Override public boolean onScale ScaleGestureDetector detector LogUtil.i TAG detector.getScaleFactor.. onScaleBegin ScaleGestureDetector detector mode ZOOM return true @Override public boolean onScale ScaleGestureDetector detector LogUtil.i TAG detector.getScaleFactor detector.getFocusX detector.getFocusY float mScaleFactor float Math.min Math.max .95f.. detector mode ZOOM return true @Override public boolean onScale ScaleGestureDetector detector LogUtil.i TAG detector.getScaleFactor detector.getFocusX detector.getFocusY float mScaleFactor float Math.min Math.max .95f detector.getScaleFactor..

How to find absolute position of click while zoomed in

http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in

ImageScaleGestureDetector extends SimpleOnScaleGestureListener @Override public boolean onScale ScaleGestureDetector detector if mScaleAllowed mCustomImageView.scale detector.getScaleFactor mCenterX mCenterY return true The scale function of the.. @Override public boolean onScale ScaleGestureDetector detector if mScaleAllowed mCustomImageView.scale detector.getScaleFactor mCenterX mCenterY return true The scale function of the CustomImageView look like this public boolean scale..

Gesture detection and ScrollView issue

http://stackoverflow.com/questions/8330187/gesture-detection-and-scrollview-issue

next ScrollView. Moreover the ScrollView contains another ViewFlipper containing ImageView with a vertical swipe detector to go to previous next ImageView. When I replace the ScrollView by a LinearLayout both gesture detectors work properly but.. vertical swipe detector to go to previous next ImageView. When I replace the ScrollView by a LinearLayout both gesture detectors work properly but with the ScrollView none work the gesture listeners are not even triggers . Why does using a ScrollView.. the ScrollView none work the gesture listeners are not even triggers . Why does using a ScrollView disable my gesture detectors How can I make it work Thanks Activity public class ProduitHome extends Activity private Resources res float density private..

Canvas Pinch-Zoom to Point Within Bounds

http://stackoverflow.com/questions/11339190/canvas-pinch-zoom-to-point-within-bounds

0 0 both working fine Start draw code ... End draw code canvas.restore private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener @Override public boolean onScale ScaleGestureDetector detector float factor detector.getScaleFactor.. ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener @Override public boolean onScale ScaleGestureDetector detector float factor detector.getScaleFactor if Math.abs factor 1.0f 0.0075f mScaleVector.z factor mScaleVector.z Math.max.. 1 The various pivot coordinate codes would belong here detector.onTouchEvent event Calls the Scale Gesture Detector return true While both elements work fine the scrolling back and forth and the pinch to zoom there is one large problem...

Android: velocity-based ViewPager scrolling

http://stackoverflow.com/questions/12787287/android-velocity-based-viewpager-scrolling

import android.util.AttributeSet import android.view.MotionEvent import android.view.GestureDetector import android.widget.Scroller public class VelocityViewPager extends ViewPager implements GestureDetector.OnGestureListener.. import android.widget.Scroller public class VelocityViewPager extends ViewPager implements GestureDetector.OnGestureListener private GestureDetector mGestureDetector private FlingRunnable mFlingRunnable new FlingRunnable private.. public class VelocityViewPager extends ViewPager implements GestureDetector.OnGestureListener private GestureDetector mGestureDetector private FlingRunnable mFlingRunnable new FlingRunnable private boolean mScrolling false public VelocityViewPager..

how to implement both ontouch and also onfling in a same listview?

http://stackoverflow.com/questions/4184382/how-to-implement-both-ontouch-and-also-onfling-in-a-same-listview

mContactList.setOnItemClickListener listClickListener mContactList.setAdapter adapter Gesture detection gestureDetector new GestureDetector new MyGestureDetector prosNos gestureListener new View.OnTouchListener public boolean onTouch View.. listClickListener mContactList.setAdapter adapter Gesture detection gestureDetector new GestureDetector new MyGestureDetector prosNos gestureListener new View.OnTouchListener public boolean onTouch View v MotionEvent event.. listClickListener mContactList.setAdapter adapter Gesture detection gestureDetector new GestureDetector new MyGestureDetector prosNos gestureListener new View.OnTouchListener public boolean onTouch View v MotionEvent event if gestureDetector.onTouchEvent..

How to get LTE signal strength in Android?

http://stackoverflow.com/questions/5545026/how-to-get-lte-signal-strength-in-android

share improve this question In order to solve this question I created an application called Signal Strength Detector and with source code on GitHub . In my past experience some devices running Android ICS 4.0 and up have a getLevel method.. reported with the methods labelled for GSM signal strength It's crazy but true. Feel free to download Signal Strength Detector and check out the results on your device and or modify code as necessary. As a side note you will need to use Reflection..

How Does OpenCV ORB Feature Detector Work?

http://stackoverflow.com/questions/7232651/how-does-opencv-orb-feature-detector-work

Does OpenCV ORB Feature Detector Work I want to implement a feature based alignment algorithm using the ORB feature detector and extractor. So far I extracted..