I implement a customizing view and draw the content of view in "onDraw()".
I draw only one page of content in "onDraw()".
Now, I need show a scrollbar for this view. As I know, any view can support
scrollbar. However, you must draw whole content of the view in "onDraw()"
and use "scrollTo()" t
Hi,
I use DDMS's native heap tool to analyze the memory allocation of
native code. This tool is very useful.
However, I'd like know newly created native memory when I do something
on my phone. It seems that DDMS does not have this functionality. I
heard that java's memory tool can compare 2 hprof
Hi,
I try to debug an application which has an out of memory error. The
app cannot allocate 3Mbytes in some condition. I analyze the adb log,
there are some debug output of dalvikvm as below:
dalvikvm: GC_FOR_MALLOC freed <1K, 47% free 4781K/8967K, external
55469K/57517K, paused 64ms
dalvikvm: GC
Hi,
I need draw a "dotted line" in my app. I use codes below:
Paint paint = new Paint();
paint.setColor(0xff00b900);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(1);
paint.setPathEffect(new DashPathEffect(new float[] {5, 5, 5,
5}, 1));
ca
Hi,
Android support rich editor. A underlined text can be shown in
EditText view by using "UnderlineSpan". Now I'd like show a dashed
under-line instead. Could I implement this effect?
Thanks!
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Hi,
In my app, I'm using "System.loadLibrary()" to load my JNI library. It
should load library from "/data/data/myapp/lib/".
Then I add a invocation of "System.getenv("LD_LIBRARY_PATH")", and
found that this system env is "/system/lib/". Does that means that
system will load library from "/system/
Hi,
In my app, I'm using "System.loadLibrary()" to load my JNI library. It
should load library from "/data/data/myapp/lib/".
Then I add a invocation of "System.getenv("LD_LIBRARY_PATH")", and
found that this system env is "/system/lib/". Does that means that
system will load library from "/system/
Hi,
I read in SDK doc, "Note that you can sign an .apk multiple times with
different keys."
I build my app with Android platform (not using SDK), and then sign
the result apk with my private certificate. I'd like know that whether
my apk contains right certificate. Is there any problem with my apk
updated to a
new version, not when my app is installed first time. Is that right?
Thanks!
On Jan 18, 5:32 pm, xeagle wrote:
> Hi,
>
> When my app is downloaded from Market and installed, could some code
> be executed? I'd like do something after my app is installed. Is there
Hi,
When my app is downloaded from Market and installed, could some code
be executed? I'd like do something after my app is installed. Is there
any callback?
Thanks
He Chuan
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Can current version of Android allow an app to be told when it is
updated?
Thanks!
-- Forwarded message --
From: Dianne Hackborn
Date: Jul 25 2009, 1:02 am
Subject: run app after installation using PACKAGE_ADDED or other
mechanism?
To: Android Developers
I don't understand what
Hi,
I'd like my IME is enabled when settings of my IME is launched so that
user do not need go to "Lanuage & Keyboard settings". Does Android
provide this kind of API?
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d readable. The system itself doesn't have
> permission to access your data unless you explicitly allow it. See the flag
> on Context to request a file you open be world readable.
>
>
>
> On Tue, Jan 11, 2011 at 7:24 PM, xeagle wrote:
> > I meet an issue when using b
:
> You need to make the file world readable. The system itself doesn't have
> permission to access your data unless you explicitly allow it. See the flag
> on Context to request a file you open be world readable.
>
>
>
> On Tue, Jan 11, 2011 at 7:24 PM, xeagle wrote:
>
I meet an issue when using below method. It works if apk file is put
on sdcard. However, if there is no sdcard on phone, app must put apk
file at "/data/data//xxx", package installer fail to install
the apk because file in "/data/data//xxx" only has private
permission. How do you deal with this iss
Hi,
My application contains several apks. I'd like upload my app to
android Market. If user download my app, can all of these apks be
installed? Thanks!
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Hi,
I use a boolean variable "flag" both in main and child thread. This
"flag" is used to notify child thread to exit. I only use simple
operation, e.g., "flag=false", "if (flag) {}". As I know, in java,
"get and set a boolean variable" is atomic. So "synchronized" is not
needed for variable "flag
Hi,
I create a custom view "MyExpandedView". The size of this view should
not be fixed, its size should be calculated at runtime. Shall I use
"View.measure()" and "View.onMeasure()"? Or other method? Thank for
your help!
Note this custome view is in a ViewGroup. My layout file is below:
http://s
Thanks!
Is there any other java API which can change system property?
On Sep 23, 1:20 pm, "Mark Murphy" wrote:
> > I use Java API "System.setProperty()" to set a system property. After
> > invoke "System.setProperty()", API "System.getProperty()" can return
> > the value just I set. However, wh
I use Java API "System.setProperty()" to set a system property. After
invoke "System.setProperty()", API "System.getProperty()" can return
the value just I set. However, when I use command "adb shell getprop"
to verify, it shows that this property is not set at all.
Do I wrongly understand API "S
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