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How to get screen dimensions as pixels in Android
...ent and want to acomplish this just use Activity.WindowManager (in Xamarin.Android) or getActivity().getWindowManager() (in java).
Before getSize was introduced (in API level 13), you could use the getWidth and getHeight methods that are now deprecated:
Display display = getWindowManager().getDefa...
How to add a button dynamically in Android?
How to add a button dynamically in Android?
17 Answers
17
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java.lang.RuntimeException: Unable to instantiate activity ComponentInfo
I was trying to run a sample code
While launching the application in the android 1.5 emulator , I got these errors....
Any one have some hint..?
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【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
...，拍照后图片就报错：
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是：先TaifunImage压缩尺寸，在Base64化，调在线api进行...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.comp...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$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]!
Using setImageDrawable dynamically to set image in an ImageView
...atency hiccup ... consider using setImageDrawable() or setImageBitmap()." (Android documentation)
– chetto
Oct 25 '12 at 18:30
6
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Restful API service
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Developing Android REST client applications has been an awesome resource for me. The speaker does not show any code, he just goes over design considerations and techniques in putting together a rock solid Rest Api in android. If your a ...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
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@djaqeel: i was new to android at that time. Now i know all that very well.
– Shreyash Mahajan
Aug 16 '13 at 6:12
2
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switch case statement error: case expressions must be constant expression
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In a regular Android project, constants in the resource R class are declared like this:
public static final int main=0x7f030004;
However, as of ADT 14, in a library project, they will be declared like this:
public static int main=0x7f...