StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

POAndroid get content from url Force
text
Body
copied!<p>I use this code for get content from Web.I added permission for internet.</p> <pre><code> public void read() throws Exception { URL oracle = new URL("http://www.blabla.de"); URLConnection yc = oracle.openConnection(); BufferedReader in = new BufferedReader( new InputStreamReader( yc.getInputStream())); StringBuilder sb = new StringBuilder(); String inputLine=""; while ((inputLine = in.readLine()) != null) { sb.append(inputLine + "\n"); } Log.w("tap",sb.toString()); } </code></pre> <p>I run this inside try catch blocks but it forces.I try several more codes but same.</p> <p>This is log</p> <pre><code>11-06 21:20:59.634: E/AndroidRuntime(4044): FATAL EXCEPTION: main 11-06 21:20:59.634: E/AndroidRuntime(4044): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.filsoft.jumpko/com.filsoft.jumpko.Rang}: java.lang.NullPointerException: println needs a message 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread.access$600(ActivityThread.java:123) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.os.Handler.dispatchMessage(Handler.java:99) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.os.Looper.loop(Looper.java:137) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread.main(ActivityThread.java:4424) 11-06 21:20:59.634: E/AndroidRuntime(4044): at java.lang.reflect.Method.invokeNative(Native Method) 11-06 21:20:59.634: E/AndroidRuntime(4044): at java.lang.reflect.Method.invoke(Method.java:511) 11-06 21:20:59.634: E/AndroidRuntime(4044): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 11-06 21:20:59.634: E/AndroidRuntime(4044): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 11-06 21:20:59.634: E/AndroidRuntime(4044): at dalvik.system.NativeStart.main(Native Method) 11-06 21:20:59.634: E/AndroidRuntime(4044): Caused by: java.lang.NullPointerException: println needs a message 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.util.Log.println_native(Native Method) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.util.Log.w(Log.java:180) 11-06 21:20:59.634: E/AndroidRuntime(4044): at com.filsoft.jumpko.Rang.onCreate(Rang.java:23) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.Activity.performCreate(Activity.java:4465) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 11-06 21:20:59.634: E/AndroidRuntime(4044): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920) 11-06 21:20:59.634: E/AndroidRuntime(4044): ... 11 more </code></pre>

Querying!

Guidance

An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload