大约有 40,000 项符合查询结果（耗时：0.0425秒） [XML]
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 remove application from app listings on Android Developer Console
...nd then permanently remove an application from the list of applications on Android Developer Console?
12 Answers
...
Disable activity slide-in animation when launching new activity?
... another activity, via a button click. By default, on newer OS versions of android, the OS will animate the new activity sliding in from right to left.
...
Open Facebook page from Android app?
from my Android app, I would like to open a link to a Facebook profile in the official Facebook app (if the app is installed, of course). For iPhone, there exists the fb:// URL scheme, but trying the same thing on my Android device throws an ActivityNotFoundException .
...
getting the screen density programmatically in android?
How to get the screen density programmatically in android?
19 Answers
19
...
OnCreateOptionsMenu() not called in Fragment
... I made the change,but app crashes with 11-27 01:55:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26...
Android: ProgressDialog.show() crashes with getApplicationContext
...e you using? If I'm right about what the problem is then this was fixed in Android 1.6 (API version 4).
It looks like the object reference that getApplicationContext() is returning just points to null. I think you're having a problem similar to one I had in that some of the code in the onCreate() i...
How to detect UI thread on Android?
Is there a robust way to detect if Thread.currentThread() is the Android system UI thread in an application?
I would like to put some asserts in my model code that asserts that only one thread ( eg the ui thread) accesses my state, to assure that no kind of synchronization is necessary.
...
Android destroying activities, killing processes
Hi I'm wondering how Android is managing memory and I can't find precise answer anywhere.
Let's assume I have an application with 5 activities on current activity stack (4 are stopped and 1 is resumed), there is no service connected. I press HOME button so that all of my activities are stopped.
I st...