Android :: How To Make String / Integer In Android?
Apr 1, 2009
How can i make any string/integer factory configurable in android? Alert dialog displays a text which is directly picked from a (central repository) file. Now we change the text in this file and make a rom image (but DO NOT compile the whole code) and flash it on the phone. Now the alert dialog would display the new text. This is what we call central repository data retrieval in symbian. How is this achievable in Android?
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Aug 3, 2010
I have a program that sends a broadcast Intent that needs an "extra" value.The value is declared as being of type Object[], though I know that the elements are always of type Integer or String.That's part of an API not under my control. What's the most concise and/or efficient way to do the equivalent of the putExtra call below?
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Jun 29, 2010
I have the localized strings file that is used in the Iphone app that I work on to port to Android. Are there any tools that go through the file taken from the xcode project and build the xml needed to use the strings in android? This tool should be easy to build but I appreciate any pointers to already working tools.
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Oct 1, 2010
In Android, capturing date from datepicker and storing as string in sqlite. Sorting by date doesn't work because they're strings (unless I'm doing it wrong.I've googled this issue for ~5 days, and it looks like there should be a way to capture the date from the date picker, convert it to a Long, store it in sqlite as a Long, select and sort on the Long date value, then convert the Long back to a "mm/dd/yyyy" string for display. I've tried various combinations of parse statements, Date, FormatDate, etc. with no luck at all.On activity start, get today's date and display it in button which calls the datepicker.Capture new date from datepicker (if one is entered), save it as a long to sqlite.On opening an activity showing a listview of records, select from sqlite with orderby on date (Long), convert Long to "mm/dd/yyyy" string for display in ListView.
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May 5, 2009
If there's anyway way I to access the String values of String resources statically? e.g. a static equivalent of Context.getString(...)?
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Nov 12, 2010
I have preferences where you can enable/disable what items will show up on the menu. There are 17 items. I made a string array in values/arrays.xml with titles for each of these 17 items.
I have preferences.xml which has the layout for my preferences file, and I would like to reference a single item from the string array to use as the title.
In the Android developer reference, I see how I can reference a single string with XML, but now how I can reference a string from an array resource in XML.
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Aug 4, 2010
Can anybody give me some clue that how to convert binary string into a string(english). I have tried and googled so much but couldn't find an answer.
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Jul 27, 2010
I have a class that creates a view to gather data via a function getView() that provides a view with an EditText.This class has also has variable answer.When the user chances the EditText I want to store the content of the EditText in answer.If I would use an onKeyListener I fear that the answer will probably get stored before the last letter is entered.Is there a good way to handle this in the getView() function via some other listener?
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Oct 28, 2009
I want to get an array of strings reading from arrays.xml file we add in android values/ folder. Could any one kindly give a solution for this. Otherwise I will have to input each these entries in strings.xml and take them to java code using getResources()getString()
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Sep 29, 2010
I feel stupid asking such a simple question, but is there an easy way to determine whether an Integer is even or odd?
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Nov 11, 2010
I have made a service which extends Service in android, and running in the background of my android app. What I want from this background service is to get the euro to dollar exchange rate from a finance website, I have my service ready, it can periodically run a function, I am now need to implement the function to get the euro-dollar rate from a website, there are many this kind of website, my question is, how can I get the currency rate as a string from the website, and pass the string to my service?
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Aug 26, 2010
I have an Android app where I want to check to see if an app name that is installed matches a string passed to the function containing this code.Assuming you called checkInstalledApp('SetCPU'); and the app name on the phone is called the same thing it should return true. However, it never does. I logged the results and it should match up but it does not. Can anyone please enlighten me as to why this doesn't work?
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Nov 16, 2010
Does anyone have any idea how to find the n-th field (string) in a delimited string where the delimiters (separator) could be either a single char or several chars.and the syntax for user-defined function is FindNthField(string,separator,position)so position 3 would return three,The separator in use would actually be Chr(13).This has to run on Android and so should be efficient.
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Mar 16, 2010
in menu.add, you add an integer menuitem id.But when you specify the menu in xml, @+id can't take an integer, so you can't test the id for the menu item as an integer in a switch statement.What obvious thing am I missing, because surely an inconsistency this bone-stupid couldn't have passed muster with all those wonderful geniuses at Google.
on top of that, when I give the menu item a name like "@+id/myMenuItem", item.getItemId() returns an integer, a long one, which I guess is a representation of the hex pointer.
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May 18, 2010
I started two days ago with android, gone through the hello android stuff and also started to read the Hello Android book, which is great.
PROBLEM:
I use in my app - VERY EASY APP- the XML output. So basically the main activity just tells the android to show the XML layout of main.
But what if I have in the activity - code defined integer variable and I want this integer variable also be shown on the display?
How do I PUSH the integer variable to the XML??? From main XML reference to other strings in XML is easy - @string/app_name ... but how do I use the integer variable from the activity?
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Jul 31, 2010
I got an exception "Unable to parse 53.6 as an integer".
What is the proper format?
CODE:.....................
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Mar 8, 2010
I want to do some activity on sms after user read it, so how can my background service in android know that particular sms is now read(when my service start work) to react for some task.
Is there system generate any integer when user read sms. if it generate than how will i get?
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Aug 16, 2010
In the android manifest on the first line "" I'm getting an error marker (with a red X). When I mouse over the red x it says- "Manifest attribute 'minSdkVersion' is set to '2.1'. Integer is expected."
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Apr 4, 2010
I am trying to get the contents of tags into variables in my java Sax parser. However, the Characters method only returns Char arrays. Is there anyway to get the Char array into an Int? code...
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Apr 19, 2010
I have an application, which has a Spinner that I want populated with some numbers (4,8,12,16). I created an integer-array object in strings.xml with the items mentioned above, set the entries of the Spinner to the integer-array, and when I run the app I get:
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): java.lang.NullPointerException
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:355)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.ArrayAdapter.getView(ArrayAdapter.java:323)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:198)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.View.measure(View.java:7965)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2989)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:888)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.LinearLayout.measureVertical(LinearLayout.java:350)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.LinearLayout.onMeasure(LinearLayout.java:278)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.View.measure(View.java:7965)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2989)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.View.measure(View.java:7965)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.LinearLayout.measureVertical(LinearLayout.java:464)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.LinearLayout.onMeasure(LinearLayout.java:278)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.View.measure(View.java:7965)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2989)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.View.measure(View.java:7965)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.ViewRoot.performTraversals(ViewRoot.java:763)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.view.ViewRoot.handleMessage(ViewRoot.java:1632)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.os.Handler.dispatchMessage(Handler.java:99)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.os.Looper.loop(Looper.java:123)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at android.app.ActivityThread.main(ActivityThread.java:4310)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at java.lang.reflect.Method.invokeNative(Native Method)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at java.lang.reflect.Method.invoke(Method.java:521)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
04-19 23:38:48.016: ERROR/AndroidRuntime(10193): at dalvik.system.NativeStart.main(Native Method)
As soon as I changed the array to a string-array, this works fine. Is this normal? I realize that I can (and will) just convert the string array values to an int, but it seems weird that I have to.
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May 25, 2010
How can I quickly access the screen resolution (width, height) as integer values? I've tried this one, but it always shows zero on my emulator:
DisplayMetrics dm = new DisplayMetrics();
int width = dm.widthPixels / 2;
In my case I want to dynamically create a table with tableRows, each containing two cols. This cols all shall fill half of the screen in width.
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Sep 16, 2010
Is there a way how I can tell the Preference Activity that value should be saved as integer? So far my all values are saved as strings... I can limit input to integers via XML easy:
<EditTextPreference android:key="SomeKey" android:numeric="integer" />
but it is still saved as string and later trying to getInt("SomeKey") on preferences object I always get java.lang.ClassCastException: java.lang.String.
Is there a way that EditTextPreference value would be saved not as string? Or maybe I should use some other type of Preference for numeric input?
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Nov 29, 2009
I am trying to move my code from Java to C, and I have encountered a problem while trying to find a function in C that can take an array of ints and create a bitmap from it for OpenGL. In Java, I used
bitmap = Bitmap.createBitmap( {int array name} , w, h, Config.RGB_565);
Is there a similar function that I can use in C, or a workaround that I could use?
Also, if it matters, I am programming for Android.
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Sep 7, 2010
Is it possible to have a string value in string.xml of the sort " some string PLACEHOLDER1 some more string" so that the place holders can be assigned the value at run time.
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Nov 15, 2010
I know there is the Date() class built into the API, but line of code actually grabs the time of day?
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Aug 31, 2010
Rather than do this by just creating a lot of strings (which I've already managed), I want to add an integer and then print those list to the screen. At the moment, I'm just trying to get one integer on the screen without even adding it, but the app is "force closed" in the emulator. Why doesn't this work? Add one to it and then print the answer to this for a given loop (say up until 10).
Code:
package com.monkeez.count;
import android.app.Activity;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.widget.TextView;
public class Count extends Activity {
/** Called when the activity is first created. */
TextView countDisplay;
@Override public void onCreate (Bundle savedInstanceState) { int counter = 1;
countDisplay = new TextView(this);
this.setContentView(countDisplay);
countDisplay.setText("counter here");
} }
The log cat is thus:
09-01 09:54:07.051: DEBUG/AndroidRuntime(279): AndroidRuntime START
09-01 09:54:07.051: DEBUG/AndroidRuntime(279): CheckJNI is ON
09-01 09:54:07.401: DEBUG/AndroidRuntime(279): --- registering native functions ---
09-01 09:54:08.891: DEBUG/dalvikvm(193): GC_EXPLICIT freed 320 objects / 19376 bytes in 109ms
09-01 09:54:09.041: DEBUG/PackageParser(65): Scanning package: /data/app/vmdl48927.tmp
09-01 09:54:09.251: INFO/PackageManager(65): Removing non-system package:com.monkeez.count
09-01 09:54:09.251: INFO/ActivityManager(65): Force stopping package com.monkeez.count uid=10037
09-01 09:54:09.991: DEBUG/PackageManager(65): Scanning package com.monkeez.count
09-01 09:54:09.991: INFO/PackageManager(65): Package com.monkeez.count codePath changed from /data/app/com.monkeez.count-2.apk to /data/app/com.monkeez.count-1.apk; Retaining data and using new
09-01 09:54:10.011: INFO/PackageManager(65): /data/app/com.monkeez.count-1.apk changed; unpacking
09-01 09:54:10.054: DEBUG/installd(34): DexInv: --- BEGIN '/data/app/com.monkeez.count-1.apk' ---
09-01 09:54:10.511: DEBUG/dalvikvm(286): DexOpt: load 169ms, verify 64ms, opt 4ms
09-01 09:54:10.591: DEBUG/installd(34): DexInv: --- END '/data/app/com.monkeez.count-1.apk' (success) ---
09-01 09:54:10.602: WARN/PackageManager(65): Code path for pkg : com.monkeez.count changing from /data/app/com.monkeez.count-2.apk to /data/app/com.monkeez.count-1.apk
09-01 09:54:10.602: WARN/PackageManager(65): Resource path for pkg : com.monkeez.count changing from /data/app/com.monkeez.count-2.apk to /data/app/com.monkeez.count-1.apk
09-01 09:54:10.611: DEBUG/PackageManager(65): Activities: com.monkeez.count.Count
09-01 09:54:10.650: INFO/ActivityManager(65): Force stopping package com.monkeez.count uid=10037
09-01 09:54:11.631: INFO/installd(34): move /data/dalvik-cache/data@app@com.monkeez.count-1.apk@classes.dex -> /data/dalvik-cache/data@app@com.monkeez.count-1.apk@classes.dex
09-01 09:54:11.641: DEBUG/PackageManager(65): New package installed in /data/app/com.monkeez.count-1.apk
09-01 09:54:11.821: DEBUG/dalvikvm(65): GC_FOR_MALLOC freed 6733 objects / 446400 bytes in 140ms
09-01 09:54:12.561: INFO/ActivityManager(65): Force stopping package com.monkeez.count uid=10037
09-01 09:54:12.711: DEBUG/dalvikvm(126): GC_EXPLICIT freed 1940 objects / 106408 bytes in 121ms
09-01 09:54:13.351: WARN/RecognitionManagerService(65): no available voice recognition services found
09-01 09:54:13.831: DEBUG/dalvikvm(65): GC_EXPLICIT freed 4667 objects / 280056 bytes in 173ms
09-01 09:54:13.901: DEBUG/dalvikvm(165): GC_EXPLICIT freed 2326 objects / 125088 bytes in 1059ms
09-01 09:54:14.180: INFO/installd(34): unlink /data/dalvik-cache/data@app@com.monkeez.count-2.apk@classes.dex
09-01 09:54:14.271: DEBUG/AndroidRuntime(279): Shutting down VM
09-01 09:54:14.290: DEBUG/dalvikvm(279): Debugger has detached; object registry had 1 entries
09-01 09:54:14.340: INFO/AndroidRuntime(279): NOTE: attach of thread 'Binder Thread #3' failed
09-01 09:54:15.350: DEBUG/AndroidRuntime(291): AndroidRuntime START
09-01 09:54:15.350: DEBUG/AndroidRuntime(291): CheckJNI is ON
09-01 09:54:15.740: DEBUG/AndroidRuntime(291): --- registering native functions ---
09-01 09:54:16.960: INFO/ActivityManager(65): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.monkeez.count/.Count }
09-01 09:54:17.120: DEBUG/AndroidRuntime(291): Shutting down VM
09-01 09:54:17.170: DEBUG/dalvikvm(291): Debugger has detached; object registry had 1 entries
09-01 09:54:17.250: INFO/AndroidRuntime(291): NOTE: attach of thread 'Binder Thread #3' failed
09-01 09:54:17.301: INFO/ActivityManager(65): Start proc com.monkeez.count for activity com.monkeez.count/.Count: pid=298 uid=10037 gids={}
09-01 09:54:18.611: WARN/ResourceType(298): No package identifier when getting value for resource number 0x00000001
09-01 09:54:18.620: DEBUG/AndroidRuntime(298): Shutting down VM
09-01 09:54:18.620: WARN/dalvikvm(298): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): FATAL EXCEPTION: main
09-01 09:54:18.680: ERROR/AndroidRuntime(298): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.monkeez.count/com.monkeez.count.Count}: android.content.res.Resources$NotFoundException: String resource ID #0x1
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.os.Handler.dispatchMessage(Handler.java:99)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.os.Looper.loop(Looper.java:123)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread.main(ActivityThread.java:4627)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at java.lang.reflect.Method.invokeNative(Native Method)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at java.lang.reflect.Method.invoke(Method.java:521)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at dalvik.system.NativeStart.main(Native Method)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x1
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.content.res.Resources.getText(Resources.java:201)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.widget.TextView.setText(TextView.java:2817)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at com.monkeez.count.Count.onCreate(Count.java:19)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
09-01 09:54:18.680: ERROR/AndroidRuntime(298): ... 11 more
09-01 09:54:18.940: WARN/ActivityManager(65): Force finishing activity com.monkeez.count/.Count
09-01 09:54:19.470: WARN/ActivityManager(65): Activity pause timeout for HistoryRecord{43fb6718 com.monkeez.count/.Count}
09-01 09:54:19.550: INFO/ARMAssembler(65): generated scanline__00000077:03515104_00000000_00000000 [ 33 ipp] (47 ins) at [0x2de138:0x2de1f4] in 602730 ns
09-01 09:54:22.523: WARN/InputManagerService(65): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@43f92978
09-01 09:54:22.681: INFO/Process(298): Sending signal. PID: 298 SIG: 9
09-01 09:54:22.826: INFO/ActivityManager(65): Process com.monkeez.count (pid 298) has died.
And the Count Manifest.xml is thus:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.monkeez.count"
android:versionCode="1" android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Count" android:label="@string/app_name">
<intent-filter> <action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter> </activity> </application>
<uses-sdk android:minSdkVersion="8" /> </manifest>
It seems that the parser on this site doesn't like to render my xml file - you can see it at
http://pastebin.com/raw.php?i=W75ak3E9
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Jan 14, 2010
I have an xml resource in res/values/integers.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="UserBases">
<item>2</item>
<item>8</item>
<item>10</item>
<item>16</item>
</integer-array>
</resources>
and ive tried several things to access it:
int[] bases = R.array.UserBases;
this just returns and int reference to UserBases not the array itself
int[] bases = Resources.getSystem().getIntArray(R.array.UserBases);
and this throws an exception back at me telling me the int reference R.array.UserBases points to nothing
what is the best way to access this array, push it into a nice base-type int[] and then possibly push any modifications back into the xml resource.
I've checked the android documentation but I haven't found anything terribly fruitful.
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Nov 24, 2010
I have a tight game loop in a separate thread where I paint a lot of things on the canvas.
When I paint the score to the canvas I use the following function code...
When I check allocations in ddms I see that .toString not totally unsurprising allocates a char array on each conversion from an Integer to a String. This array will eventually be claimed by the garbage collect and cause uneven rendering of frames on slow android devices.
Is there a better way of painting integers on a canvas that won't cause new allocations and garbage collects?
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Aug 13, 2010
I'm trying to insert values on Android SQLite Database. The question is, Iḿ trying to insert a word, the table has 3 columns, ID, WORD, COUNT. When I insert a word in the database, some method will verify if this word exists on the database. If yes, it will increment the value of COUNT for this word.
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Aug 19, 2010
I have installed Power Strip, and the very first time I was asked to use my preferred home screen, I selected the existing one (using a GS).
What I want to do is to have Power String dock displayed if I do a double click on the home key. I played with the settings but it seems that it doesn't work. Any hint?
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