大约有 7,479 项符合查询结果（耗时：0.0161秒） [XML]
Invoke: no method named `…………’ in class java.lang.Boolean - App I...
...最新版即可。
Invoke: no method named `ShowTextDialog’ in class java.lang.Boolean
来自英文社区：https://community.appinventor.mi ... ang-boolean/17544/5
【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
...roid.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是：先TaifunImage压缩尺寸，在Base64化，调在线api进行识别。
通过调试发现问题是出现在 图片的Resize/Base64化...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.comp...
...roid.graphics.Bitmap.compress(android.graphics.Bitmap$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，或者拍照返回的图片路径，或者图像选择器...
Android NDK C++ JNI (no implementation found for native…)
..."C" -- so it's either the above or some slight misspelling. What does the Java declaration look like?
share
|
improve this answer
|
follow
|
...
Why do this() and super() have to be the first statement in a constructor?
Java requires that if you call this() or super() in a constructor, it must be the first statement. Why?
19 Answers
...
Java String new line
...
In the older Java versions: System.getProperty("line.separator").
– ROMANIA_engineer
Feb 29 '16 at 10:08
1
...
Declaring and initializing variables within Java switches
I have a crazy question about Java switches.
6 Answers
6
...
How to pass objects to functions in C++?
I am new to C++ programming, but I have experience in Java. I need guidance on how to pass objects to functions in C++.
7 A...
'Must Override a Superclass Method' Errors after importing a project into Eclipse
...
Eclipse is defaulting to Java 1.5 and you have classes implementing interface methods (which in Java 1.6 can be annotated with @Override, but in Java 1.5 can only be applied to methods overriding a superclass method).
Go to your project/IDE preferen...
How to round a number to n decimal places in Java
... first looked at the DecimalFormat class is that it was only introduced in Java 1.6. Unfortunately I'm restricted to using 1.5 but it will be useful to know for the future.
– Alex Spurling
Oct 1 '08 at 13:07
...