me,Ramesh Yankati wants to chat

by me,Ramesh Yankati » Tue, 15 Dec 2009 11:09:32 GMT

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Other Threads

1. ListPreference.getSummary

Some error occured on device with Cyanogen:
04-03 14:35:04.793 E/AndroidRuntime(21105):
java.util.UnknownFormatConversionException: Conversion is ''
04-03 14:35:04.793 E/AndroidRuntime(21105): at java.util.Formatter
04-03 14:35:04.793 E/AndroidRuntime(21105): at java.util.Formatter
04-03 14:35:04.793 E/AndroidRuntime(21105): at java.util.Formatter
04-03 14:35:04.793 E/AndroidRuntime(21105): at java.util.Formatter
04-03 14:35:04.793 E/AndroidRuntime(21105): at
04-03 14:35:04.793 E/AndroidRuntime(21105): at
04-03 14:35:04.793 E/AndroidRuntime(21105): at
04-03 14:35:04.793 E/AndroidRuntime(21105): at
04-03 14:35:04.793 E/AndroidRuntime(21105): at
It happens only on Cyanogen's firmware when there's "%" symbol in
ListPreference's summary.

If u will open from Froyo's sources u wouldn't
find method ListPreference.getSummary, so it looks like ListPreference
uses base method from
 public CharSequence getSummary() {
        return mSummary;
And javadoc's from eclipse it confirms that:Returns the summary of
this Preference.

Ok, now let's open from Cyanogen's sources:
  public CharSequence getSummary() {
        final CharSequence entry = getEntry();
        if (mSummary == null || entry == null) {
            return super.getSummary();
        } else {
            return String.format(mSummary, entry);
It look's like it's Cyanogen's feature (only 8 bug reports from >3000
users), but let's go to
Returns the summary of this ListPreference. If the summary has a
String formatting marker in it (i.e. "%s" or "%1$s"), then the current
entry value will be substituted in its place.

Can someone explain how *exactly* getSummary works?


2. Widget RemoteViews and autoLink


Short version: I'm unable to see how you'd launch an auto-linked
intent (in this case, URL view) from a widget/remote-view without
being able to specify the required flag.

Long version: I'm creating a widget which, among other things,
displays tweets which may contain URLs. By setting the textview text
using the remoteview's setTextViewText method I can specify the text
and then use the android:autoLink and android:linksClickable
attributes of the TextView in the layout to ensure these links are
formatted correctly, highlighted and clickable.
However, clicking the link throws the following exception:
E/AndroidRuntime(  341): FATAL EXCEPTION: main
E/AndroidRuntime(  341): android.util.AndroidRuntimeException: Calling
startActivity() from outside of an Activity  context requires the
FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?
E/AndroidRuntime(  341):        at
E/AndroidRuntime(  341):        at
While I understand the meaning of the message - that it's impossible
to launch an activity without specifying either an origin Activity
(which the widget's remoteview won't have a reference to) or without
specifying the FLAG_ACTIVITY_NEW_TASK flag - I can't change the former
and I don't see any way of intercepting the auto-link features Intent
to specify the flag.
I've seen widgets that contain seemingly normal URIs so I know it's
entirely possible (unfortunately none that are open-source) and so I'm
slightly stumped.

Any help would be much appreciated.



3. Combine multiple audio files and encode it to .mp3

4. GridView over scroll problem

5. parsing of silver light response

6. Animated Application icons

7. Using 'aidl' from command line