Can anyone help me figure out why I\'m getting a NullPointerException here? I\'m trying to set up an adapter for an ExpandableListViewActivity.
@Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if(convertView == null)
This question already has answers here: What is a NullPointerException, and how do I fix it? (12 answers)
This question already has answers here: What is a NullPointerException, and how do I fix it? (12 answers)
This is in my onCreate() final Dialog dialog = new Dialog(this); dialog.setContentView(R.layout.go_pro);
Some times when running my app I get a null pointer when retrieving a value bundled with an intent setting it i开发者_如何转开发n one class
Is there any way to suppress this warning: MyClass object = null; /*Some code that \'m开发者_运维知识库ight\' set this object but I know it will*/
I\'m currently making a game and I came across this annoying problem. Tried to google it but no luck so far. I have a class defined in its own file(code here is not of my game but a simplified one wit
Trying to set up a gridview with a custom adapter, I get my cursor and set the adapter in ASyncTask...
I know why there is an error and i have fixed it.. i need someone to explain it properly.. It compiles fine but at runTime it shows Null Pointer Exception at line appString[i][j] = s[j];..Some one kno
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