nullpointerexception

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NullPointerException when trying to run .jar file

I have just started learning java, and know only a small amount of code, however this is still a simple program. It is more of a prank program, but mostly just to test if I ca开发者_如何学Cn make a ja[详细]

2023-04-04 02:00 分类：问答
null pointer exception during a function call

I am getting a null pointer exception when I am calling a function. Here is my code: try{ ..... String [] forForm = new String[5];[详细]

2023-04-03 20:11 分类：问答
NullPointerException in StartService

I\'m having a null exception when trying to start a service that starts a notification and a download.[详细]

2023-04-03 14:16 分类：问答
One button and a list view layout problem

So I am trying to create a program that tracks gps coordinates and then display them real time in a list view on the side of my main screen, the layout looks as follows:[详细]

2023-04-03 04:04 分类：问答
NullPointerException when assigning numbers

There is a strange thing happening when I execute the following code: 开发者_JAVA百科private void doStuff(Long inLong) {[详细]

2023-04-02 21:47 分类：问答
Android CheckBox isChecked() throws nullpointereception

I have another problem. I defined CheckBoxes in layout and I\'m getting their state with isChecked() method in a class. However I\'m getting an error whenever this method is called with the following[详细]

2023-04-02 06:51 分类：问答
New annoying NPE on Yabe (Creating a custom editor)

I\'m winding throught this Yabe tutorial and have been happily ge开发者_StackOverflow中文版t bugs and solving them on my own.... until now.[详细]

2023-04-01 07:04 分类：问答
Why is adMob throwing these null pointer exceptions in Android?

So I have the Android app complete and everything, then I downloaded the SDK from adMob and integrated it in the app. After integrating the ads, I noticed that this exception kept showing up in the co[详细]

2023-04-01 05:59 分类：问答
Returning array in Java

When I run this code, /* * To change this template, choose Tools | Templates * and open the template in the editor.[详细]

2023-03-31 20:40 分类：问答
Nullpointerexception in dialog box display: android

I have this code which requires to display the date when clicked on the button mPickDate. I have another class which has the date class. The code of this class is here. But when i run it, it gives a n[详细]

2023-03-31 11:19 分类：问答