java - I pass a string -> NullPointerException -


this question has answer here:

i writing adnroid app, , when pass string @ point, nullpointer ...does know why?

code

        elements titles = doc.select("h3 a");         string[] titlelist = null;         bitmap[] bitmaps = null;         outputtext = "";         int = 0;         (element title : titles) {             titlelist[i] = title.text(); // <--- here comes nullpointer             = + 1;         }

log:

08-18 17:17:54.522  26470-26470/de.m4lik.somesampleapp e/androidruntime﹕ fatal exception: main process: de.m4lik.somesampleapp, pid: 26470 java.lang.nullpointerexception         @ de.m4lik.somesampleapp.mainactivity$thetask.onpostexecute(mainactivity.java:95)         @ de.m4lik.somesampleapp.mainactivity$thetask.onpostexecute(mainactivity.java:68)         @ android.os.asynctask.finish(asynctask.java:632)         @ android.os.asynctask.access$600(asynctask.java:177)         @ android.os.asynctask$internalhandler.handlemessage(asynctask.java:645)         ...

the doc.select part jsoup code select headings website.

titlelist not initialized.

you need initialize prior assigning strings :

string[] titlelist = new string[titles.size()]; // assuming elements has size() method

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