Android :: Change Text Styles In A List? Performance
Jun 30, 2010
Ever since I added conditional text formatting on my list items I've noticed a performance drop. It's still usable but I'm somewhat obsessive about performance/experience so I would really like to tweak my approach as best I can. The following snippet is how I'm achieving my conditional formatting. Is this the only way? (Perf drop appears to be related to making TextViews spannable)
CODE:....................
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May 12, 2010
In my project I'm Multiple choice list....in this all text view in white color...i want to change text color. in program I'm use simple xml main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#ffff00"> <List View android:id="@+id/android:list" android:layout_margin Top="2px" android:layout_marginLeft="2px" android:layout_marginRight="2px" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1"android:background="@drawable/shape_1"android:listSelector="@drawable/shape_3" android:textColor="#ffff00" android:layout_marginBottom="44px" /> </RelativeLayout> I'm ListActivity class setContentView(R.layout.main); setListAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_multiple_choice, GENRES)); listView =getListView();listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
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Mar 1, 2010
Is it possible to change list view's text color in android?
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Dec 28, 2009
Does anyone know how to change the color of the text within the popup list that appears when you longclick an EditText view? In my app when I perform a long click on the EditText view I get a popup menu dialog with Copy, Paste, Input Method appear, and I can't figure out how to change the default text color in this dialog.
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Jun 30, 2010
Where can I see what typeface, size, color, etc. are used for Android's pre-defined text styles? Like the default text style or textAppearanceMedium, for example?
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Dec 15, 2009
I've got a text style defined in styles.xml. I'm trying to reference it from a layout. When I reference from the layout, it causes an exception upon inflation. If I use the style from java code, it works fine. Setting the individual styles on the TextView works fine too:
CODE:..............
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Jun 28, 2010
Is there a way to change styles for Gallery? For example, borders, animation speed. Maybe there is list of predefined themes?
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Apr 23, 2010
I'm trying to create a multiple selection list where the selection is represented graphically rather than with checkboxes.My list has checkboxes, but I want them to serve a different purpose. I'm using a cursor to hold my data and created a custom view binder for the SimpleCursorAdapter. I did this for the checkboxes and general flexibility.So far I haven't even been able to show one line as being selected. I've enabled multiple selection on the list and denied the children of the list item focusability. I've tried manually changing background color with the position fed in through the list item click listener. But the wrong items get changed and they don't even change to the right color. I've enabled touch focusability with no improvement either.Ideally, I'd like the trackball highlight focus bar to appear in multiple places. But I don't think this is possible unless you use the drawable directly. But I don't know how to find or apply it. My next idea was to have a slim view bar that changes color. But I had the same problem with the wrong item being selected so I never finished trying to guess the index position to see if this would work. My most recent idea is to completely swap out the view for another one if it's selected. But I have no idea how to do this either. I'm thinking of using an array list to store the _id s of the items that need a different view to get around the wierd selection problem. I'm also thinking of passing in the ID field as my from and the selection view as the to for my adapter. Then I'd intercept it with my binder and change the view accordingly. But once again, I'm not sure how to do this successfuly.
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Jan 21, 2009
From reading Romain Guy's blog post, I understand keep static reference to a Drawable can create huge memory leaks. So what is the recommended solution if I don't want to reload my big Drawable image every time screen orientation changes and effect on performance? Currently my app takes >3 seconds to complete each orientation change.
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May 28, 2010
I'm pretty sure it's not viable to do what I'd like to based on some initial research, but I figured it couldn't hurt to ask the community of experts here in case someone knows a way.
I'd like to create a custom field for contacts that the user is able to edit from the main Contacts app; however, the user should only be allowed to select from a list of four specific values. A short list of string values would be ideal, but an int with a min/max range would suffice.
I'm interested in knowing if it's possible either way, but also wondering if it make sense to go this route performance wise. More specifically, would it be better to look up a contact (based on a phone number) each time a call or SMS message is received or better to store my own set of data (consisting of name, numbers, and the custom field) and just syncing contact info in a thread every so often? Or syncing contacts the first time the app is run and then registering for changes using ContentObserver?
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Sep 29, 2010
I've recently rooted my eris to Xtrsense 4.5 and have a few questions. My quadrant score pre root was 205. After root, with JIT_on, overclock 748 the score was 298. Is this typical? are there other settings I can change within gscript to boost the performance? Should I alter the minimum clock speed from default? I have a2sd and cach2sd ON. How do I know these are actually working? After running advaced task killer, my available memory is around 65 megs. Is this a normal figure for the eris? I'm not completely sure how the memory/cache works on mobile phones. I assume 70 megs of RAM is different than information stored in the Cache.
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May 23, 2010
I'm looking into writing an Android game, tough I don't curerntly own an Android device. For those of you who own a device, how does the performance on the emulator relate to real device performance? I'm especially interested in graphics related tasks.This obviously depends on both the machine running the emulator, and the specific device in question, but I'm talking rough numbers here.This question is a duplicate, but since that post is heavily outdated, I figured it's irrelevant by now.
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Nov 3, 2010
I am on Android 2.1 and I have one multi column Custom listview Using BaseAdapter with an editable edittext at the end of the listview. If the data in the listview do not contain the data of user choice then user should be able to enter data. If the data is already there in the list user will be able to select the data using custom selector. If a selection is made in the list view and user wanted to enter data in the text field at the bottom after selection then the marker in the list view should be unselected. I tried to use onclick() method on edit text using click listener. First time when it is clicked, edit text is getting focus and onclick() method is not fired. And when it is clicked second time, onclick() method is fired and notifyDataSetChanged() method is called. I tried to call the notifyDataSetChanged() method from the Focus Listener, list view selection is gone in my first attempt and edit text is not receiving any data input from the keyboard (frozen).
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Feb 20, 2010
Motorola CLIQ Over-the-Air Update
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
February 19 Update
The over-the-air update for the Motorola CLIQ has been delayed to the week of February 22. An updated article will be available once a date has been determined.
On February 18, Motorola will begin sending over-the-air (OTA) software updates to Motorola CLIQ customers. The software update will improve device performance and resolve several known issues.
Improved Performance:
Improved battery life
Improved software performance and stability
Improved widget response
Decreased Force Close error messages
New Manage SIM Card application
Support of .WMA and .WAV media files
Removal of the imeem mobile application
Known Issues Resolved:
Accessories & Bluetooth
Error: 'Unable to pair' or 'Unable to connect to device'
Call functions
Can activate other functions while listening to visual voicemail
Call not ended by pressing the End key
Speakerphone turns on unexpectedly when answer incoming call
Plays ringtone or vibrates while on an active call
Unable to answer incoming call using �Slide to answer� feature
Accidentally opens Dialer or makes outbound while holding device
Device hardware (battery, keys, power, screen)
Battery indicator may not display accurate battery power
Call not eded by pressing the End key
Touch screen issues
Cannot answer incoming call using the Slide to answer feature
Incorrect keys registered using on-screen keyboard
Touch display appears to have �dead spots� that are unresponsive
Accidentally selects item when trying to flick through screens or menus
Messaging
Wrong message deleted
Phone may reset when turning Wi-Fi off in area with no Wi-Fi coverage
Customers can manually download the OTA on demand by going to Settings > About Phone > System Updates. Customers do not need to wait for a notification message to download.
Action Steps
Be aware of the fixes and enhancements included in the Motorola CLIQ update.
If customers are experiencing any Known Issue that will be resolved by the software update:
Do not file a handset exchange
Advise customers that the issue will be resolved by a software update on February 18.
Important Rebate Changes
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
Customers eligible for rebates as part of new activations or upgrades must be advised they will receive their rebates in the form of a prepaid Visa card.
When customers take advantage of our new Early Upgrade or Early Upgrade Plus options, they are not eligible for upgrade rebate cards. These new upgrade options allow customers to take advantage of upgrades sooner and provide an instant discount, instead of having to wait for rebate cards.
To be eligible for an upgrade rebate card, customers must meet upgrade eligibility requirements.
Current, 1-year contracts: 11 or more active months since last discounted handset purchase.
Current, 2-year contracts: 22 or more active months since last discounted handset purchase.
Rebates on eligible purchases require contract extensions and a $9.99 or higher Data/Messaging feature.
Valid only on FlexPay plans with 1 or 2-year contracts.
Not valid for Even More Plus plans.
Active Months: The number of months in which the account has been in good standing and during which service has not been suspended.
Action Steps
Inform customers that Early Upgrade and Early Upgrade Plus are not eligible for upgrade rebate cards.
Advise customers eligible for rebates that they will receive their rebates in the form of a prepaid Visa card.
"With the purchase of your new handset, you can submit a rebate form to receive your rebate. The rebate will be in the form of a prepaid Visa card that can be used anywhere Visa is accepted. See the rebate form for additional details."
Trackball Replacement Program
[Retail Partner Sales - T-Mobile Employees and Authorized Dealers]
On February 24, T-Mobile will launch a Trackball Replacement program for BlackBerry Pearl 8100/8120 and BlackBerry Curve 8320 customers that are having trackball issues. This program will be available in T-Mobile retail stores only at this time.
Action Step
Refer customers to a T-Mobile retail store after February 24 for further assistance if they come in to your location looking to complete a trackball replacement.
First Connect for Dealers
[Retail Partner Sales]
First Connect for Dealers is an exciting class designed to help on-board and prepare Retail Partners to successfully sell T-Mobile products and services and provide differentiated customer experiences. This four hour class is conducted via the T-Mobile Live Virtual Classroom and covers the following:
Welcome to T-Mobile
Who is T-Mobile?
PCC
Differentiated Handsets
Differentiated Rate Plans
Service Excellence / Selling Skills
Tools and Resources
Customer On-Boarding
The attached flyer contains dates and times for these calls as well as registration details. ADRs should educate their locations about these calls and encourage them to attend.
To successfully be able to attend the training sessions, Retail Partners should have the following:
Computers with high speed Internet connections
The ability to play and hear video segments on the computer using speakers or headset
The use of a fully charged mobile phone to hear the audio portion of the conference call
Printer access to print Participant Workbook.
Action Steps
Share the attached flyer with your locations and encourage them to attend one of the scheduled calls.
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Aug 23, 2010
Has anyone have this issue? When I click on somebody to text from the main text list, I can text them no problem. But when I click the back arrow to go back to the main texting list, it keeps going back to the home screen. Only start doing this today. I have no idea why. I have rebooted my phone and still doing the same think. I have to go back and forth several times before I can get to the texting list screen.
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Sep 11, 2009
I'm trying to change the text in the text view section of a custom layout. I Just get a null pointer exception for some reason.
Here is my code:
CODE:................
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Oct 19, 2010
I have developing list as public class AddSwitch extends ListActivity.
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Jul 29, 2009
I'm using BaseExpandableListAdapter, and there is a drop-down button (looks like an arrow) on the left side for each parent item to indicate that you can expand that item to view child items. The question is: How can I change the properties of that drop-down button such as its position? I basically want to move it a bit lower in each parent item.
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Jun 25, 2010
I have a list with simple_list_item_multiple_choice layout. The list is all in white and my background is also white and hence it is not visible. How do I change the color for that?
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Jul 8, 2010
I want to change the default highlight color for list.But it doesn't work, the allow list area has set to the high-light color I want to set. Any thing wrong with my code?
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Sep 3, 2010
I am making a list by this code...
* and want to add a text view on the top of list...but it should not be the list item*.
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Jan 9, 2010
I like using K9 Mail, but I was wondering if there was a way to change the size of the messages listed in the in box or any IMAP folder. 10-and-a-half messages (with the subject on one line and sender on another) are displayed on my Moment's screen. While I like seeing all of these messages, it is not very finger-friendly. It is difficult to tap precisely on a given message. Is there any way to increase the size of the message list? Something like the default Gmail or Android e-mail app would be great. I have dug through the preferences of K9, but so far haven't found anything other than being able to change the theme of the app.
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Jan 11, 2010
How can I change the first visible item in a list view (I searched a method such as setFirstVisiblePosition) ?
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Oct 20, 2010
I've been searching everywhere on this issue but have not been able to find any solid answers. On my Droid X, all system buttons and lists, when pressed, are a bright red color. I want to find out how I can change this color. I'm not that familiar with android, so I don't know if this is an issue that can be solved via themes, or if I need to go deeper into the OS.
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Nov 19, 2010
I have a list view which contains different numbers and i have a button below with the name "Call". The expected spec is to change the button background to blue, only if user clicks on list item, and if user clicks on some other views, i need to change the button background to white.
My work around for this issue:
I have set onfocusChangeListener() for the list live, but onFocusChanged() is getting called if next view gets the focus.
Expected result:
1) Background of the button should change to blue if user clicks on list child item.
2) Background of the button should change to white if user clicks on other views.
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Nov 15, 2010
I would like to know how I can change the direction (up or down) of an AutocompleteTextview drop down list.
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May 13, 2009
I've just changed screen language on by G1. There was no support/bad support for typing polish letters on softkeyboard so I modified LatinIME by adding strings.xml and kbd_qwerty.xml for my lanuage. In android is also support for typing national letters using hardkeyboard. After pressing the key for about second small dialog with available alternative letters pop up. How can i change list of letters shown in this dialog?
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Aug 27, 2010
I want to set the text size of the List View. I am not use the XML Layout file. How to do this in coding?
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Apr 9, 2010
I have an AutoCompleteTextView defined as the following inside a RelativeLayout,
<AutoCompleteTextView android:id="@+id/edit_tag"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="@string/tag"
android:inputType="text"
android:imeOptions="actionNext" />
When I touch on a choice from the drop down list, instead of setting the text of this view to the one I chose, it clears the view as if no text has been inputted. I tried to debug this and walked through the execution of the program step by step. It seems to have been cleared at around line 123 in Looper.java, which I cannot see the source.
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Jan 31, 2010
How do I do this per selected list item.I tried adding this to android:background
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true"
android:state_pressed="false"
android:drawable="@color/android_green" />
<item android:state_focused="true"
android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:state_focused="false"
android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:drawable="@color/white_alpha" />
</selector> but it does not work, it changes the entire list.
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