在這裏,基本上我所做的只是檢查連接是否可用。如果連接不可用,我將重定向到另一個activity.That是全部。但它不斷崩潰。沒有互聯網的應用程序崩潰
Intent i;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
i = new Intent(Jsouptesting3Activity.this, NoInternet.class);
Jsouptesting3Activity ob1=new Jsouptesting3Activity();
ob1.isDataConnectionAvailable(this);
try {
doc = Jsoup.connect("http://www.way2franchise.com/").get();
//System.out.println(doc);
} catch (IOException e) {
// TODO Auto-generated catch block
System.out.println("cant connect");
e.printStackTrace();
public void isDataConnectionAvailable(Context context){
ConnectivityManager connectivityManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = connectivityManager.getActiveNetworkInfo();
if(info == null)
{
System.out.println("No net bob");
i = new Intent(Jsouptesting3Activity.this, NoInternet.class);
startActivity(i);
}
System.out.println("YES net bob");
當程序執行,我根據它必須重定向和NoInternet活動應打開邏輯調用isDataConnectionAvailable()
,我沒有連接available.So。
我錯過了什麼嚴重?
請幫忙。
logcat的堆棧
Thread [<1> main] (Suspended (exception RuntimeException))
ActivityThread.performLaunchActivity(ActivityThread$ActivityClientRecord, Intent) line: 1659
ActivityThread.handleLaunchActivity(ActivityThread$ActivityClientRecord, Intent) line: 1675
ActivityThread.access$1500(ActivityThread, ActivityThread$ActivityClientRecord, Intent) line: 121
ActivityThread$H.handleMessage(Message) line: 943
ActivityThread$H(Handler).dispatchMessage(Message) line: 99
Looper.loop() line: 130
ActivityThread.main(String[]) line: 3701
Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]
Method.invoke(Object, Object...) line: 507
ZygoteInit$MethodAndArgsCaller.run() line: 866
ZygoteInit.main(String[]) line: 624
NativeStart.main(String[]) line: not available [native method]
是什麼logcat的說? – geoffspear 2013-04-04 11:26:56
你的邏輯不正確...首先你不檢查什麼'isDataConnectionAvailable()'return ...其次,如果'info'爲空,那麼你不返回false,所以'Jsoup.connect(...)'仍然被調用... – Selvin 2013-04-04 11:27:03
我甚至不知道從哪裏開始,真的。這段代碼有太多的錯誤...我怎麼解釋... – 2013-04-04 11:31:28