Android : Why Variable Names Often Start With The Letter M

Nov 21, 2010

Looking at the Android tutorials such as the Notepad tutorial, I noticed that almost all variables are named starting with the letter 'm'. What convention is this, and where does it originate from?

Android : Why variable names often start with the letter m


Android :: Java Reflection - Get All Instance Variable Names Of A Class

Nov 5, 2010

I'm writing an android app that requires binding a JSON object into a domain entity with the keys from the JSON as instance variables. Since there are several domain entities, each with different instance variables that the JSON needs to bind to in the app, i'd like to write a method such as ths following: Loop through all the instance variables from the domain if a key exists in the JSON with the name of the instance variable, take the value for this key from the JSON and set the Domain's instance variable with this key name equal to this value. The reason i'm interested in the doing the binding from the class to the JSON is because if the JSON changes for some reason, I don't want it to break the app when the instance variable doesn't exist in the app's domain for a specific JSON key. Code...

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HTC EVO 4G :: Music Playlists Duplicating / Original File Name Start With Capital Letter

Aug 5, 2010

I think this has to be a problem with the SD card and scanning it, but for some reason after syncing my phone, plugging it into the computer to charge, or even plugging it in to charge in the car, my music playlists seem to be duplicating all the time. I have loaded my playlists using Doubletwist (Slower than hell freezing over), I have tried Doubletwist, Mixzing, Cube, and Zimly and all have shown some or all of the duplicates. I have had it with Mixzing because of this, but the others seem to be doing it as well, just not as much. I have actually had up to 6 copies of the same playlist at one time. There is still only 1 music playlist that has songs in it, but there are 2, 3, or up to 6 copies for some reason. Another strange thing is the original actual playlist has each word starting with Capitals, but the copies are are small case. I've looked all over my SD card to see if I can find where these "phantom" playlists are stored, but I haven't found anything yet.

Also, after that stupid Froyo update, my phone won't allow me to play anything from the SD card when it is plugged in. Yes, I have tried changing the setting from Charge only to all of the other 3 options at one time or another, but in my car, it refuses to allow access to the SD card when plugged in regardless of what I do or what setting I have changed. Not impressed with the Froyo update AT ALL! This morning my SD card decided to lose all of my videos that were on it (5 GB worth) and about 1/3 of my music. I have no idea where they went, but they are gone. This phone was awesome in most every way until that stupid update, I wish I could go back to 2.1! My Pandora sucks now, my Multi-touch keyboard won't work anymore, I lost a whole bunch of files off my SD card as mentioned above, and I haven't noticed a single benefit other than my camera opens quicker now.

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Android :: Changing Variable Affects Indirect Variable (value Vs Reference)

Sep 26, 2010

Is copying the reference to the object and not the value of the object. Meaning, when I modify pos.top or pos.bottom, the original object gets modified. I'm guessing I am missing a concept of pass object by reference vs value here which I thought I understood. What is the fix here? Is it a problem with how I defined my custom class?

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Android :: How To Use URL Variable To Load Webview ? Not Using String Variable

Nov 3, 2010

these is how to give a string as argument String link ="http://www.adobe.com /devnet/acrobat/pdfs /pdf_open_ parameters.pdf"; webview.loadUrl(link);But how to give an "URL" variable to load its content to webview.

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Android :: Way To Get Keycode Of Letter?

Feb 11, 2009

Is there any method to let you get the keycode for a keyboard letter. E.g. public int get KeyCode(char letter) {...}? I had a look but can't find it and I can't find a way to make Auto complete start filtering from predefined input in the box, so I'm emulating key inputs to make it do this.

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Android :: Short Timezone Name As Opposed Four Letter

May 10, 2010

I've written an Android app that needs the short timezone name in which the handset is currently located.I'm using the following code: String timeZone = Calendar.getInstance().getTimeZone().getDisplayName(false, TimeZone.SHORT);When running in Chicago, this returns "CST". In New York, "EST". In Strasbourg, France, it's returning "HNEC" (Heure Normale de l'Europe Centrale in French).

The timezone in this location is referred to by some as "Central European Time" (see Wikipedia's Time zones of Europe).I'm passing timeZone off to a third-party system which very much insists on getting "CET" (not "HNEC"). Is there an API call I can rely on to return the three-letter (and, I think, "more modern") short timezone name? As my code runs in more and more locations, I'm guessing this problem is going to occur elsewhere, too. I'm really hoping to avoid maintaining some sort of map of three-letter to four-letter short timezone names.

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Android :: Swiftkey - Types A Letter 2 Or 3 Times

Aug 27, 2010

just wondering if anyone else here ever has this issue and if theres something to fix it? im using swiftkey and sometimes it just decides to go nuts and types a letter 2 or 3 times even though i only hit it once and then the word suggest screws up and also when i hit the spacebar once it goes nuts and puts in a period and starts a new sentance.

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Android :: How To Set Letter Spacing For EditText / TextView?

Sep 22, 2010

I want to set letter-spacing(Character Spacing) myself for an EditText.I searched on web and couln't find anything good.

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Android :: App That Disables Letter Pop Up In Stock Keyboard

Feb 28, 2010

i cannot stand those letters popping up. distracting on dro

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Android : Letter Case Inconsistency Between Src And Res/layout

Mar 17, 2010

I called my main activity Main, and Eclipse created Main.java and res/layout/main.xml for the layout.

Is there any reason why Eclipse dropped the uppercase "M" for the layout file?

Was I wrong to use upper case M for the name of my Main class (a Java convention, types start with uppercase, objects with lower case)?

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Android :: Open Letter To Companies Regarding Apps Why Only IPhone?

Jul 4, 2010

An open Letter to Companies regarding Android Apps.

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Android :: How To Capitalize First Letter Of Text In A TextView In An Droid App?

Aug 5, 2010

I'm not referring to textInput, either. I mean that once you have static text in a TextView (populated from a Database call to user inputted data (that may not be Capitalized)), how can I make sure they are capitalized?

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Android : Map Sdcard To Drive Letter Or Directory On Windows

Dec 14, 2009

Is there a way to map the sdcard (/sdcard) to a drive letter or directory on a windows box? i can always do "adb pull /sdcard sdcard" but that can take a while if you've got a lot of stuff on there...

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Android : Changing CharSequence First Letter To Upper Case

Jun 23, 2010

It may seem simple but it posses lots of bugs

I tried this way:

CODE:............

And it throws an exception

Another try i had was :

CODE

This one also throws an Exception

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Android : Restrict Capital Letter Typing Programmatically

Aug 23, 2010

I want to restrict capital letter typing through keyboard on my form.

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General :: Android Java String Letter Position?

Mar 24, 2013

I have a string, which user just inputted and I want to print out specific letter. App stops working just when I enter any sort o string on my phone. Here is the code.

Code:
String check = keyword.getText().toString();

if (check.length() > 2){
result.setText(check.charAt(j));
}
I
found that the problem is check.chartAt(j) line, without it, app doesn't crash. Why chartAt make my app to crash? are there any alternatives to charAt?

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Android : Change Font Color Of Pop Up Letter While Scrolling Through Contact List

Oct 19, 2010

I am new to Android development and currently facing some problem. I need to change the Color for the pop up letter while scrolling through Contact list with more than 40 contacts. Currently it is showing in Black, I need to make it in White font.

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Android :: Variable Cannot Be Resolved

Apr 6, 2010

I am trying to create an item list, diffrent for each i and j variable. My code is: I get an error in the line .setItems(items,: items cannot be resolved I think that the compiler thinks that the CharSequence[] items may not be initialised or something. How can I make this programme run?

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Android :: Why Eclipse Does Not See Samsung Galaxy Phone Although Can Transfer Files Using A Drive Letter

Oct 11, 2010

I developed my first (small) Andoid application using Eclipse and are now ready to transfer it to my Galaxy S mobile device (develping for Android 2.1)

Following another thread in SE, I changed the run mode in Eclipse to manual in the hope that I would be able to chose my phone and/or AVD every time I run the program.

The popup list howerver only show the AVD, my phone is not present in the list.

So obviously, my Samsung Galaxy S device is not recognized. Howerver, I can transfer to and from the device using a drive letter, so the USB connection is working properly.

Anyone any idea what I am missing here ? I'm not sure if it is an Eclipse problem , or a driver or ....

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HTC Incredible :: How To Delete A Letter After Cursor?

Sep 16, 2010

Simple concept, I feel stupid for asking. Let's say I typed that as "Simple concept, I feel stupid for basking" and tapped the screen to put the cursor after the B in BASKING to delete it, but accidentally inserted before the B. How do I delete that without struggling to get the cursor exactly after the B? On a BB you can just hit the ALT key while hitting delete and it would delete the B after the cursor. I can't seem to figure out a simple typing issue.

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Nexus : On Keyboard I Tap A Letter - Another Key Is Activated?

Jan 7, 2010

Loving the phone but every once in a while - like three times yesterday and once today the touchscreen goes haywire. I click on an icon and it doesnt register or the icon below is activated. On the keyboard I tap a letter and another key is activated. If I turn off phone and then back on all is perfect again for a while. It seems to be happening in the lower third of the screen. Anyone experience this? Do you think software or hardware? Im thinking software because the reset fixes problem.

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Android :: Passing Variable From One Class To Another

Nov 15, 2010

I am working to set a countdown timer. I have successfully (borrowed) a number picker (spinner) and set up the dialog box for the user to set the time. This is in a class called timepickactivity and the variables are hour and mins (R.id.hour and R.id.mins). I want to call the set values (R.id.hour and R.id.mins) from the dialog (timepickeractivity) to the actual countdown class (countdown) but I can't figure out how to get the values.

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Android :: Set Classpath Variable In Eclipse?

Oct 18, 2010

Has anyone set the Classpath variable in Eclipse?If so, where is it?

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Android :: Fetch My Xml Through XmlName Variable?

Jul 29, 2010

I have some xml files, and I keep them in raw folder. Now, the problem is that I have to use them with variable name according to my application condition. But I don't know how to fetch them. The main thing is that I am not getting that how to give the path of my xml file in application.

For example:

My file application.xml is stored in the raw folder and I have to access it with a variable name.

String xmlName= application.xml;

How can I fetch my xml through xmlName variable?

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Android :: Condition Variable Usage

Apr 21, 2009

I'm trying to use a Condition Variable to control the execution sequence of two threads. I can create a Condition Variable in one thread and block on it. But I would like to be able to access it from another Thread and unblock it from that thread.. ? Blocked Thread i am planning to keep as GUI thread and it should update the messages which are sent by b/g thread on the screen during its block state and will be unblocked by b/g thread in the end by calling open(); method.

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Android :: Getting Variable Out Of Public Void

Apr 21, 2010

I have this code:
hubSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parentView,
View selectedItemView, int position, long id) {
final MediaPlayer mp2 = MediaPlayer.create(Textbox.this, R.raw.hero);
mp2.start(); } public void onNothingSelected(AdapterView<?> parentView) {
} } );

(The code basically runs when a new item is selected of a spinner and then plays a song, which later will be a variable based on what was picked, but I'm fine as it is for now). And I want to be able to use 'mp2' out of this public void, (I want a button which pauses it). How can I do this?

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Android :: Variable Speed Audio?

Dec 15, 2009

Anyone know of an audio player that will speed up the playback? It would be nice if it could keep the pitch the same but sped up is the goal. I used TCPMP on the Treo. This is great for listening to podcasts in a fraction of the time. Depending on the original audio, I can generally make everything out up to +25%.

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Android :: Variable Number Of Settings

Sep 7, 2010

I'd like to make a preference screen with a variable number of preferences, very much like the WiFi selector. A number of profiles should be clickable and possible to edit and in the bottom there should be an add profile button. Has anyone got any tips on how to accomplish this? All I've found is this: http://groups.google.com /group/android-developers/browse_thread/threa.

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Android :: Static Variable Instantiation

Apr 1, 2009

I have noticed in my application(s) that after a call to Activity.finish() that the static variables that I declared in my classes still hold the values that they were changed to during the activity's life cycle. Upon the re-launch of the activity, the program does not re-instantiate the variables as declared or set them to the default java behavior. Is there something that I can do to cause this to happen, other than re-setting every static variable in my application?

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