imagebutton

问题 How do I make an ImageButton image change its image when you press it? 回答1: I hope you find this helpful. This can all be done in the XML. 1) Import your images for both pressed and unpressed states into the res/drawable- whichever folder 2) Make your selectors. Right click on a drawable folder and select New/Android xml file. Put in the name eg "ok_button_selector.xml" and choose "selector" as the root element from the menu below. You will need to create a different selector for each button

问题 So I'm new to android development...How can I create an image that acts like button, so when I press that image, image starts a specific activity. So I want this to show as image: <Button android:id="@+id/button1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginTop="33dp" android:text="Button" /> 回答1: Create ImageButton as: In main.xml: <ImageButton android:id="@+id/ib"

问题 XML <ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/imageButton1" android:src="@drawable/image1" android:onClick="buttonClick" /> JAVA -------------------- public void buttonClick(View v) { Button aButton = (Button)v; aButton.setBackgroundResource(R.drawable.image2); } Here's what I've tried so far with no luck... I want to be able to click the button and change the image to image2, there's also going to be other images i'll change it to

问题 How do you create a plain old image button in MVC 4 (Razor)? I'm looking for something like this 回答1: try this @using (Html.BeginForm("ActionTaken", "TestController")) { <button name="button" value="ActionOne" class="button" style="width: 200px;"> <img src=""/></button> <button name="button" class="button" style="width: 160px;" value="ActionTwo"> <img src=""/></button> } 回答2: Add this to your razor view: <input type="image" src="<image path here>" alt="Submit" width="48" height="48"> 来源：

问题 I have a page that uses a master page, several RequiredFieldValidators, and the Web Toolkit autocomplete extender. The following code only shows the bare minimum of the page: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" MasterPageFile="~/master.master" Inherits="Login" %> <asp:Content id="Content1" contentplaceholderid="ContentPlaceHolder1" runat="server"> <asp:UpdatePanel ID="pnlUpdate" runat="server"> <ContentTemplate> <div> <asp:ImageButton class="submitButton"

问题 I'm trying to make an ImageView button toggle when I click on it. I've got the below code: ImageView button01 = (ImageView) findViewById(R.id.button01); button01.setOnClickListener(new OnClickListener() { int button01pos = 0; public void onClick(View v) { if (button01pos == 0) { button01.setImageResource(R.drawable.image01); button01pos = 1; } else if (button01pos == 1) { button01.setImageResource(R.drawable.image02); button01pos = 0; } } }); But for some reason button01 is underlined in red

问题 I have a main activity that changes the image on the ImageButton on every click. public class MainActivity extends Activity { protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); static ImageButton mGetClickTime; mGetClickTime.setOnClickListener(new View.OnClickListener() { mUpdateBackground(); } } } public static void mUpdateBackground() { int[] imageIds = { R.drawable.bg1, R.drawable.bg2, R.drawable.bg3, R.drawable

问题 Ok, I'm making an app with this kind of of disk in it: http://dl.dropbox.com/u/8051037/disk_full.png I have the two rings as separate images, but I need to figure out a way to position them like they are in the image, first off. I'm not great at figuring out layouts, so I don't really know where to start with that. Also, I need each section defined by the black lines to be a different imagebutton. I've been everywhere looking for an answer to this, but no one's been able to help me so far.

问题 the image button events are not firing am i missing something from my code the on itemcommand event doesn't trigger please help me i'm stucked in it this is my datalist code: <asp:DataList ID="DataList1" runat="server" RepeatColumns="1" RepeatDirection="Vertical" Width="100%" onitemdatabound="DataList1_ItemDataBound" onitemcommand="DataList1_ItemCommand"> <ItemTemplate> <div class="comments_pannel_top"> <h2>Highly Recommended,</h2> <p>By:<a href="#"><asp:Label ID="lblCustomerName" runat=

问题 I have an Imagebutton and I setColorFilter on ActionDOWN, but if user Slide the finger off the ImageButton, it remains with setColorFilter applied. Question: How to detect when finger slides off? Then I can apply setColorFilter(null); ImageButton i1 = (ImageButton)v.findViewById(R.id.imageButton1); i1.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub ImageButton button = (ImageButton)v; String principal