ontouchlistener not called

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listView processing OnTouchListener GestureDetector

gestureDetector = new GestureDetector(new MyGestureDetector()); gestureListener = new View.OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (gestureDetector.onTouchEvent(event)) { return true; } return false; } }; mList.setO

Button to click Effects - Continued

Last talked about how to make the effect of pressing the Button has also mentioned but in the end if we ask a few Button has this effect separately for each definition of a Button a *. xml is inconvenient for a bit today on the presentation about the ...

The ViewFlipper slide

ViewFlipper of slide [Function] In fact, the effect is similar to the slide before the start of relatively contradictory or ViewFlipper with ImageSwitcher finally decided to use the latter problem is not a difficulty but to consider generic ImageSwit ...

Item shielding Gallery, drag the selection

Met a demand, similar to the Gallery that kind of display, but do not want to drag the selection to its Item. Gallery of the Item can achieve drag because the Gallery achieved GestureDetector.OnGestureListener, that is, in onScroll years to deal with ...

MP3 player of small applications (and writing to learn Android 1)

"In the information age, the objective obstacles no longer exists, the so-called barriers are subjective. If you want to develop any new technology, you do not need millions of dollars, you only need to put in the refrigerator full of pizza and Coke,

android drag

Layout files view plaincopy to clipboardprint? <? xml version = "1.0" encoding = "utf-8"?> <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" android: orientation = "vertical" andro

Android MediaController

android's mediaPlayer have built-in MediaControl. We are better than their own rewrite this control: A view containing controls for a MediaPlayer. Typically contains the buttons like "Play / Pause", "Rewind", "Fast Forward

Into the use of the screen ViewFlipper

res \ layout \ main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:

[Change] Android event listener callback methods of

Android event listener interface, as view View class, which contains a number of callback methods, such as: onClick (); onLongClick (); onFocusChange (); onKey (); onTouch (); onCreateContextMenu () and so on. Android The operating system, for the event h

Simple example of multi-point touch

androidi multi-point touch in fact there are many flaws I can only use two points in the test do not know that I write is not wrong in itself In fact, single-point and multipoint much to complain but do not the key to MotionEvent.ACTION_POINTER_UP: M ...

Gallery of the Item selection screen drag

Met a requirement, similar to the Gallery as the display, but do not want to drag it Item selection. Gallery of the Item to achieve drag because the Gallery achieved GestureDetector.OnGestureListener, which is in the onScroll in processing. If not it ...

Play MP3's small application (one side was learned Android)

"In the information age, the objective obstacles no longer exist, the so-called barriers are subjective. If you want to develop any new technology, you do not need millions of dollars, you only need to put in the refrigerator full of pizza and Coke,

Transforming the use of the screen • ViewFlipper

res \ layout \ main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:

Custom Spinner five steps away

In the development of Android's UI, Spinner (drop-down list) can always be used, a simple custom Spinner production we need to remember this important five-step, one can apply the Spinner birth. (1) create a new Android project, named SpinnerTest1. Un

Press the music button to start playing the event the issue

Playing music we are used to button, but also used to Button SoundButton2 = (Button) findViewById (R.id.sound2); SoundButton2.setOnClickListener (new OnClickListener () ( public void onClick (View v) ( mSoundManager.playSound (2); ) )); This way you ...

EditText block pop-up input

// When EidtText Gets the focus , This method does not block input method pop-up InputMethodManager imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE); //imm.hideSoftInputFromWindow(editText.getWindowToken(), 0); //EditText There is a f

onTouchEvent in the meaning of the return value onTouch

Today, I want to capture the Touch Gallery events do you want to deal with, but you have added after completing setOnTouchListener monitor automatically generates a onTouch eclipse method, you can do this which you want to do the deal, and if you loo ...

listview onClick longClick onTouch handling of the three events

int lastX, curX; private int totalMove = 0; private boolean firstDown = true;// Switch int duration = 150; OnTouchListener listViewOnTouchListener = new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAct

Drag & insertion of View

View Drag & Insert Namely: to support the insertion drag the icon and then between 2 View To reduce the difficulty of choice into a number of ImageView ViewGroup: vertical LinearLayout [Code Step] 1. The definition of layout: main.xml: 2. Variabl ...

After pressing the effect of setting ImageButton

ImageButton imgb = (ImageButton) findViewById(R.id.ImageButton01); imgb.setOnClickListener(new Button.OnClickListener() { public void onClick(View v) { TextView txt = (TextView) findViewById(R.id.TextView01); txt.setText("图片按钮被单击了"); v.setBackgroundR

Two button effect android Implementation

The first one: The method is achieved by onTouch, btn3 = (ImageButton) findViewById (R.id.ImageButton03); btn3.setOnTouchListener (touchListener3); View.OnTouchListener touchListener = new OnTouchListener () ( @ Override public boolean onTouch (View

android player (music player) Source analysis of 1-Service, Binder, ServiceConnection

<! - [If gte mso 9]> <xml> <w:WordDocument> <w:View> Normal </ w: View> <w:Zoom> 0 </ w: Zoom> <w:PunctuationKerning/> < w: DrawingGridVerticalSpacing> 7.8 Lb </ w: DrawingGridVerticalSpacing>

MotionEvent the getX (), getY () and getRawX (), getRawY () difference

MotionEvent the getX (), getY () and getRawX (), getRawY () difference Summary: If you achieve a certain Activity OnTouchListener interface, need to be rewritten onTouch (View view, MotionEvent event) This method, getRawX () and getRawY () obtained a

Android Button Button control landscaping method

Button for Android comes with a lot of users feel button control is not very beautiful, if small button interface, we can achieve through a simple method Button brand new look, taking into account efficiency means the xml layout Android, do not be first,

Android Gesture Detector

http://www.williamhua.com/2009/04/23/android-touchscreen-gesture-recogniton/ http://goro.javaeye.com/blog/402163 Android Touch Screen Click Touch Screen with different traditions, there will be some gesture (Gesture), such as Fling, Scroll and so on. The

Find tips to use Android

Would like to use android search tips to achieve search function, check some information, now recorded in this. The first is a revelation page: public class Finder extends Activity { /** Called when the activity is first created. */ @Override public

When a ImageView Click a picture for another picture when open

Do project to achieve the effect as shown in question, try a good many ways, not seeing results, then accidentally see a case to solve. Specific code is: myView.setOnTouchListener (new OnTouchListener () ( public boolean onTouch (View v, MotionEvent

Android sign of (textview and listview contrast testing) (1)

Touch the screen to make a gesture that action. View by onTouchEvent touch screen events received, We can View.setOnTouchListener () set the event listener, or override onTouchEvent () to intercept these events, Intercept function the touch judge in the l

Android sign of (textview and listview contrast testing) (b)

Gesture in the above operation we carried out the basic authentication, We will add the above to add the second textview the Listview, the code is as follows: ListView lv = new ListView(this); lv.setBackgroundColor(0xff808080); final String[] items = {"on

A simple drawing program

Android which uses some of the related drawing things are: View, Canvas, Paint, Bitmap. A, View is the drawing destination is directly presented to the user interface; Second, Canvas is a brush (with J2ME in the Canvas is not the same as with J2ME in the

Briefly touch screen gesture recognition Android

Scroll gestures such as the use of scrolling in a browser, using Fling page in the reader and so on. In the Android system, gesture recognition is achieved through the GestureDetector.OnGestureListener interface, but a search of the Android William did no

Android User Interface

One. Android's UI is all built on the View and ViewGroup two classes, subclasses VIew all become "Widget", a subclass of all VIewGroup a "Layout". II. Menu option menu (Option Menu) Context Menu (Context Menu) Sub-menu (Sub Menu) I

Android Developer's Guide - User Interface - event handling

Handle user interface events Handling UI Events In Android, and more than one way to listen for the interaction between user and application events. For the user interface in the event listener is to interact with the user from a specific view object inte

Android: Read-only scrollable content EditText (Prohibition input method) implementation

Layout file to use as follows: <EditText android: id = "@ + id / edt_url" android: layout_width = "fill_parent" android: layout_height = "wrap_content" android: layout_marginLeft = "20dip" android: layout_ma

Drag the image to achieve results

Recent projects where there is a need to implement drag and drop modules, analysis, and found that the dragging effect of the different layers is difficult to achieve, or is the effect of experience, which is very general. Finally resolved only by th

android programming trivial knowledge point summary (1)

1, are the colors in the configuration file and set the controls for the color // The colors are color.xml file int tmp = getResources().getColor(R.drawable.blue);// Be the color of the configuration file myButton.setTextColor(tmp); 2, set the control tex

android achieve Draggable Button

Achieve results, Buttton drag around within the screen, but not out of the screen, the code is as follows: public class DraftTest extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setCo

2010.11.29 --- Gallery and ImageSwitcher achieve pictures and video galleries

2010.11.29 --- Gallery and ImageSwitcher achieve pictures and video galleries 1, display pictures Requirements: Use Gallery to display images and pictures are pictures on the network A: First of all layout.xml <?xml version="1.0" encoding="utf-8"?

Android - ImageButton press the effect of design

When using the Button allows users to "click" effect, there are two implementations: 1.Java code: imageButton.setOnTouchListener(new OnTouchListener(){ @Override public boolean onTouch(View v, MotionEvent event) { if(event.getAction() == MotionE

GestureDetector and SimpleOnGestureListener use tutorial (rpm)

GestureDetector and SimpleOnGestureListener use tutorial FROM: http://www.cnblogs.com/transmuse/archive/2010/12/02/1894833.html 1. When the user touches the screen, will produce a lot of gestures, such as down, up, scroll, filing, etc., we know that

Introduction to the thirteenth chapter of the Android Gallery + ImageSwitcher

Last time how to use the Gallery control, the Gallery and ImageSwitcher to speak, in combination, we realize a simple function of browsing images. Posted first run shot: Photo Gallery you can drag in addition to switching, I joined the setOnTouchListener

Android to improve the tenth one of the analog signal oscilloscope

Last brief introduction AudioRecord and AudioTrack use , to combine the SurfaceView achieve a Android based phone analog signal oscilloscope (PS: previously talked about J2ME version of the phone oscilloscope ). Things very hot recently, as the mobile sof

android getX getRawX difference

Learning android, to see there are two methods MotionEvent class, getX getRawX, see explanation, is vague, I do not understand it in the end mean? Definitely different. Specifically what is the difference? Look, the two functions are returned to the

android GestureDetector use

android order to increase the user experience, added GestureDetector class, that class is what to do with it? Speaking of such a popular gesture detection. Is there a different finger movements detected by the system, yes. True. Hey, questions, and t

Android development: turn off the soft keyboard in the EditText

1, EditText has focus (focusable as true) to stop the pop-up input editText = (EditText) findViewById (R.id.txtBody); editText.setOnTouchListener (new OnTouchListener () { public boolean onTouch (View v, MotionEvent event) { editText.setInputType (InputTy

Android to get the code fragment gesture onfling

public class AutoFile extends Activity implements OnTouchListener { private GestureDetector gd1; private MyGesture mg1; private ViewFlipper vf1 = null; mg1 = new MyGesture (); gd1 = new GestureDetector (AutoFile.this, mg1); tv2.setOnTouchListener (th

Android improve the application papers of the analog signal oscilloscopes (to)

This paper SurfaceView Android based phone to achieve a analog signal oscilloscope (PS: before the J2ME version of the phone also talked about the oscilloscope). Things very hot recently, as the mobile software developer, how to modify the phone hardware

[Android2D sixteen game development] (above the touch-screen gestures) Detailed Android Gesture gestures! Use of gestures to implement a simple function of switching the picture!

Himi original, welcome to reprint, reproduced prominent place in the state! Thank you. Original Address: http://blog.csdn.net/xiaominghimi/archive/2011/01/12/6130196.aspx Android not just for the gesture often used in software, such as the browser page, s

View the Touch (clicks. Sliding. Release .......)

public class GameView extends View implements OnTouchListener { public GameView(Context context){ super(context); setOnTouchListener(this); // Listen for click event setFocusable(true); // Listen to view available events setClickable(true); setLongCl

Identify the user gestures by OnGestureListener

File Reference: http://samwong.javaeye.com/blog/870779 android can identify the user's hand gestures (ie, sliding a finger in the direction the user), different gestures by the user to make different treatment, the following is a user gesture rec
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