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Question mark (?) in XML attributes for Android
Can anyone explain the question mark means in Android XML attributes?
2 Answers
2
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Difference between Activity and FragmentActivity
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A FragmentActivity is a subclass of Activity that was built for the Android Support Package.
The FragmentActivity class adds a couple new methods to ensure compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two. Just make s...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...只需要启动时指定LD_PRELOAD环境变量，使用它的动态库来替换原生socket接口。 容易回滚到原生接口。
基于centos-6.5, kernel 2.6.32版本，(对docker支持不好，高版本内核发行版使用systemd管理服务，不容易降级)
根据官方报告，跟原生ce...
Android AsyncTask testing with Android Test Framework
...AsyncTask implementation example and am having problem in testing it using Android JUnit framework.
7 Answers
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How to prevent a dialog from closing when a button is clicked
...setView(v)
.setTitle(R.string.my_title)
.setPositiveButton(android.R.string.ok, null) //Set to null. We override the onclick
.setNegativeButton(android.R.string.cancel, null)
.create();
dialog.setOnShowListener(new DialogInterface.OnShowListener() {
@Override
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Why fragments, and when to use fragments instead of activities?
In Android API 11+, Google has released a new class called Fragment .
11 Answers
11
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Get/pick an image from Android's built-in Gallery app programmatically
...mages.
Update
I've just reviewed my original answer and created a simple Android Studio project you can checkout from github and import directly on your system.
https://github.com/hanscappelle/SO-2169649
(note that the multiple file selection still needs work)
Single Picture Selection
With su...
How do I get the SharedPreferences from a PreferenceActivity in Android?
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import android.preference.PreferenceManager;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
// then you use
prefs.getBoolean("keystring", true);
Update
According to Shared Preferences | Android Dev...
Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
Attempting to do some work on an Android project I haven't worked on for a couple of months, yet every time I attempt to build the project Eclipse throws up a dialog saying:
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
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android.app.RemoteServiceException: Bad notification posted
I had the same issue, but I was resolved. My problem is ".xml file" of Remote view.
In my xml file I was added one View in between the LinearLayout for divider.
&...