Android :: Droid RadioButton Not Able To Set Using SetChecked Method / Fix It?
Oct 27, 2010
If I set a radio button to be selected on the first time, it works fine. But if I unselect it by calling
((RadioButton) findViewById(R.id.ID)).setChecked(false);
then, later even if I try to make it selected by calling setChecked(true) will not work unless the user select it from the screen.
Have any one come across this? or is it only me?code...
If the else part is executed atleast once then everything gets mess up.
When I step thro my debugger, I can see the execution goes in the correct path and setting it to true. It is getting executed only once, I checked that. And I am not resetting it back to false in any other part of the code.
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May 11, 2010
I am trying to set a RadioButton as checked/not checked through code. It is working the first time I set it, but the second time, the code does not set the button. Here is the relevant part of my code. I have commented on the problematic part. code...
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Jun 25, 2010
I have two activities or "screens".
The second activity has an AlertDialogBox with radiobuttons for selecting a single option.
I want that after an option has been selected from the second activity's DialogBox, it should be displayed on the first activity screen in a text-view.
That is, suppose the user chooses "Green" from the dialogbox in the second activity, then "Green" should be displayed on the first activity screen.
Whats the way to pass a radiobuttonvalue to the textview?
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Oct 14, 2010
I have a listview which populates the data using CheckedTextView.
Here is the xml
CODE:..............
On item click listener, show tick on the right of the item, but not only that item shows tick other multiple items also show tick. Wierd thing is all are ticks after same number of row. I dont know where I am doing wrong.
Here is the code
package com.chegg.android.account;
CODE:.....................
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Sep 16, 2010
I want to create a ListView with a RadioButton in every row. I'm using a CursorAdapter and I'm binding it in the right way, but I cannot manage correctly the RadioButton. I want that at any moment only one RadioButton to be checked (so when I check one, I would like the one that was checked before to uncheck). Furthermore, when I put the RadioButton on the row, I cannot manage anymore the setOnItemClickListener.
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May 5, 2009
How to change RadioButton size? it's too big
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Nov 5, 2010
I've got a horizontal list of RadioButton and I wan't the text positioned above the button, not to the right. Is that possible?
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Aug 26, 2010
By default the label of a RadioButton in on the right of the checkMarck. Is there a way to put the text on the left?
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Oct 16, 2009
I am trying to perform a rating system, where with the choices to select from returns a constant number so I can insert a value into a database. My intentions are to have 3 choices, 'Great', 'Mediocre' and 'Bad'. I would like Great to be a constant for '3', Mediocre to have a constant '2' and Bad to have a constant for '1'. I would like to insert only the numerical values if possible, any easy way to do this?
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Jun 10, 2010
I have many RadioButtons in mein App. The RadioButtons are too big for me. Is there any way to make it smaller?
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Jan 25, 2010
Is it possible to add a little bit of space between a RadioButton and the label while still using Android's built-in components? By default the text looks a little scrunched.
<RadioButton android:id="@+id/rb1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="My Text"/>
I've tried a couple of things:
Specifying margin and padding seem to add space around the entire element (button and text, together). That makes sense, but doesn't do what I need.
Creating a custom drawable via XML specifying images for the checked and unchecked states, then adding a few extra pixels to the right side of each image. This should work, but now you are stepping outside the default UI. (Not the end of the world, but not ideal)
Add extra whitespace to the beginning of each label. Android seems to trim a leading space character, as in " My String", but specifying unicode U+00A0, as in "u00A0My String" does the trick. This works, but it seems kinda dirty.
Any better solutions?
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Nov 21, 2010
I have a RadioGroup inside of a RelativeLayout. I've got a few RadioButtons for different options, like "Bob", "Joe", and "Fred". However, I need to add an "Other..." option with an EditText right next to a RadioButton in case a user wants to enter "Steve". Is there a way to do this?
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Jun 17, 2010
I want to implement RadioButton and EditText inside a row of a ListView. I am using an ArrayAdapter to populate the List. But the problem is that when i am selecting a RadioButton and scroll down the list and scroll up again the Radiobutton which had been selected is unselected. Same with the content of the EditText. The text getting removed when I scroll up.
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Dec 6, 2009
Is There any way to possition a text of a RadioButton at the bottom, centered in the middle, short of writing my own custom buttom?
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Sep 25, 2009
I tries to modify the look of radiobutton: <style name="MyRadioButton" parent="android:Widget.CompoundButton.RadioButton"> <item name="android:textColor">#FF0000</item> <item name="android:background">@drawable/btn_radio</item> </style>
Android:background doesn't seem to be the right property, the radio button image gets stretched and placed in the background of the radio button itself and its label.
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Dec 11, 2009
How can I create a radiobutton with the option on the right side of the text.
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Jan 19, 2010
I have the following layout xml. I am trying to place the TextView to the left, and the Radiobutton to the right. How can I accomplish this?
CODE:....................
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Nov 22, 2010
I have a ListView, which is in singleChoice mode. All I want is to display a RadioButton to the side, that when clicked highlights to say it is selected, and when a different one is clicked that one goes back to unselected and the new one becomes selected. Why is this so hard? This should not be this complicated. I've spent DAYS looking for an appropriate answer to this and I have found nothing, so I'm asking hopefully in a clear and concise manner.
My layout for the listview (R.layout.view_orders):
CODE:.............
My custom row (R.layout.orders_row):
CODE:.................
My onCreate() method:
CODE:.................
Now everything underlying works as expected, you click on a radiobutton and through it's tag I can appropriately select that item from the list and manipulate it how I want. However, when the first radio button is clicked, the last one will be selected. Click that same radio button again, and it is now selected as well. Click it once more and nothing happens, both the last and the first are selected. Now I click any other one on the list, it gets selected like expected. Click anyone of the selected radio buttons and nothing happens, the radio button remains selected.
I have tried using the following in onCreate():
CODE:.................
And that just shows no radio buttons at all. AWESOME.
Now maybe (read: most likely), I'm just dense and can't figure this out, but I've seen this question asked a lot with no real answer. Lots of references to other tutorials or to the Commonsware guy's book. However, the comments are old now and his repository has changed so much, that those are no longer correct answers.
So, does anyone have any idea how to get the expected functionality out of this? Or failing that, just pass me along the GMail app's source code.
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Sep 7, 2010
I'm trying to override the onBackPressed() method of the ActivityGroup class:
public class MyClass extends ActivityGroup {
@Override
public void onBackPressed() {
// do something
return;
}
but I'm getting the error The method onBackPressed() of type MyClass must override a superclass method. I'm relatively new to Java, I've seen here that people do it and it works for them Why I'm getting this error? I'm writing an app for android 1.5, could the problem be here?
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Nov 22, 2010
In Eclipse, when I mouse hover over a built-in method, it displays a method definition including stuff like what the method does, input objects, return objects etc. If I have a yellow line (warning) under the method I'm trying to use, I can't get the mouse-over to show the definition. If I try hitting F3, I get a "The Jar of this class file belongs to container "Android 1.6" How do I show the definition of the method I am using when there is a warning?
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May 12, 2010
I am trying to use annotation - method.getAnnotation( ) or method.isAnnotationPresent( ) and it is not working. I am using eclipse emulator for 2.1 OS version with JDK 1.6. Following is information about what I did..................
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Mar 6, 2010
I have the following XML code:.................
The idea is to change the views, whenever I press one of the radio buttons. When I press a button the first time everything works out fine, but the second time I press a button, I get an IllegalStateException, and I can't quite see why I'm getting this.
Also, the Activity seems to set all my global variables to null, which is why I have to create them every time I switch from portrait to landscape or vice versa. So I would like to know if there is a way I can save my views in the Bundle, or any other way in which I can permanently save my views, so I don't have to add or create them every time, I flip the phone. And whenever I flip the phone, it seems that it rereads the main XML file, causing the RadioGroup to be set to 2D even if the 3D button is checked. This is because I've said the 2D button to be checked from when the app is first created, but I would like to also save the state of that RadioGroup.
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Nov 1, 2010
I created a method called insertTable in a class called Table but i can't use it in my onClick method in the main class :
CODE:.......
I want to do a income.insertTable in the onClick method but eclipse say that i need to create a local variable.
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Jun 6, 2010
Basically I'm calling the onDraw method like so...
code:...................
You see I'm drawing it on top of a Camera view and the information being drawn is subject to change. I have a listener setup which will update the variables being drawn at the appropriate time but I now want to "refresh" this draw in that listener.
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Feb 27, 2010
I have two android projects, ProjA requires ProjB (in Eclipse Properties > Java Build Path > Projects > Add > ProjB). Every thing compiles ok in Eclipse, but when I run ProjA I get an error: Could not find method XXX, referenced from method YYY. Where XXX - is the method from ProjB. How can I fix the settings?
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Aug 28, 2010
the title say it all. I wanna know a corresponding method in Android/Java that is like the GetTickCount method in C#/C++?
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Aug 27, 2010
Which parameter passing method is used in Android? Pass by reference or Pass by Value? Please provide an Android Specific example for the same.
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Nov 12, 2010
I'm having crash reports on Motorola Droid phone which force closes my app when the slide is open or closed. I don't have the phone and can't test it. I was wondering if anyone know what kind of event occurs and if any activity callback method is called for those events. Btw, my app is fixed to portrait mode, and the crash probably happens when the background operation is going on while the progress dialog is in the foreground.
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Oct 27, 2010
If I change one imageview's source to another (and thus changing the image) but then have more changes occur within the method and such. How do I force it to refresh to show the changes before the method ends? (As waiting for the method to end to show the changed images is not good for my purposes at all)
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Aug 5, 2009
I have written my input method on lines of LatinIME. My IME "MyIME" has a service and an activity similar to LatinIME.
Installing it to emulator via eclipse does not seem to work and hence I have tried the following approaches.
MY GOAL: ~~~~~~~~ All I need as the first step to know that I am heading in the correct direction is that I should be able to see "My IME" as one of the available input methods. For example, on any EditText, when I "long click & release", the Input Method menu that pops up must also show "My IME" as one of the available input methods.
However so far the pop-up only shows "Android keyboard" (LatinIME). Hence I tried the following approaches.
Approach-1: =========== I checked out the andorid source code and built & ran it successfully to make sure I got the build process right. I created my project in ~/mydroid/packages/inputmethods/MyIME. It has the package structure 'com.android.inputmethod.myime' (to be in line with Android's package structure, I am not sure if this is required).
I ran a build using "make". Make succeed in compiling MyIME, just like LatinIME and all the android tools were also created. However looking at the build output, LatinIME was installed into /system/app/ LatinIME.apk while MyIME was not installed at all.
Question with respect to approach-1: ------------------------------------ 1. How to get the build process to install MyIME into /system/app as MyIME.apk?
Since install did not happen via the build process, I started the newly built emulator (and newly built ddms to watch logs) and used follownig install approaches:
Approach-2: =========== I ran 'ant debug' to get MyIMESettings-debug.apk. Then I ran 'adb install MyIMESettings-debug.apk'. The attempt failed with the message "Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE]". Hence I tried the approach-3.
Question with respect to approach-2: ------------------------------------ 2. Why did the install fail when the project was built using 'ant debug'? Is it some thing to do with debug signature?
Approach-3: =========== The build process had created an APK file but hadn't installed it (/ mydroid/out/target/product/generic/obj/APPS/MyIME_intermediates/ package.apk) I renamed that package.apk to MyIME.apk and installed it using "adb install MyIME.apk". The install succeed. However, the adb install put my APK under /data/app with the name "com.android.inputmethod.myime.apk" instead with name MyIME.apk
Question with respect to approach-3: ------------------------------------ 3. Is there any way to get "adb install MyIME.apk" to install into / system/app folder?
Again, what I am trying to achieve is mentioned under "MY GOAL".
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