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Attempt to invoke virtual method 'boolean android.graphics.Bitmap.comp...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
原因：调用 TaifunImage 时给定的图片路径为空导致的。
解决：指定有效的图片路径，或者拍照...
PANIC: Broken AVD system path. Check your ANDROID_SDK_ROOT value [D:\A...
报错如下：PANIC: Broken AVD system path. Check your ANDROID_SDK_ROOT value [D:\APPinventor\AppInventor2\resources\app.asar.unpacked\Emulator\from-Android-SDK]!
How to decompile an APK or DEX file on Android platform? [closed]
Is it possible to decompile an APK package or DEX file on Android platform?
Are there any tools that can decompile an APK file?
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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...错误。如果你愿意，你可以用DataContractSerializer类的一些方法来将一个HomeAddress序列化并反序列化为一个Address类型，你就会看到这个过程中发生了错误，序列化都无法进行。为什么呢？原因是HomeAddress/BusinessAddress的类型标识（如ht...
How do I use Maven through a proxy?
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Did not work for me on Ubuntu 14.04 with maven 3.0.5 from the Ubuntu repository. Configuring the proxy in the settings.xml file worked.
– Mihai Capotă
Sep 10 '15 at 22:58
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How do I center text horizontally and vertically in a TextView?
... TextView , so that it appears exactly in the middle of the TextView in Android ?
67 Answers
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Running multiple AsyncTasks at the same time — not possible?
I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.)
However, only the first gets executed. Here's a simple snippet to describe my problem:
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Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...e and I have successfully implemented it but the problem comes when I use android:theme="@android:style/Theme.NoTitleBar.Fullscreen" this in my activity tag in manifest file.
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Android 4.1: How to check notifications are disabled for the application?
Android 4.1 offers the user a check box to disable notifications for a specific application.
6 Answers
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How to pre-populate the sms body text via an html link
... this is 100% possible, though a little hacky.
If you want it to work on Android you need to use this format:
<a href="sms:/* phone number here */?body=/* body text here */">Link</a>
If you want it to work on iOS, you need this:
<a href="sms:/* phone number here */;body=/* body t...