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POAndroid HttpURLConnection FATAL Error
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  1. POAndroid HttpURLConnection FATAL Error
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    copied!<p>I am coding a download manager for android , when i try to open httpurlconnection it gives error</p> <pre><code>07-17 20:30:13.928: E/AndroidRuntime(25485): FATAL EXCEPTION: main 07-17 20:30:13.928: E/AndroidRuntime(25485): java.lang.IllegalStateException: Could not execute method of the activity 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.view.View$1.onClick(View.java:3699) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.view.View.performClick(View.java:4223) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.view.View$PerformClick.run(View.java:17275) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.os.Handler.handleCallback(Handler.java:615) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.os.Handler.dispatchMessage(Handler.java:92) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.os.Looper.loop(Looper.java:137) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.app.ActivityThread.main(ActivityThread.java:4921) 07-17 20:30:13.928: E/AndroidRuntime(25485): at java.lang.reflect.Method.invokeNative(Native Method) 07-17 20:30:13.928: E/AndroidRuntime(25485): at java.lang.reflect.Method.invoke(Method.java:511) 07-17 20:30:13.928: E/AndroidRuntime(25485): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038) 07-17 20:30:13.928: E/AndroidRuntime(25485): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805) 07-17 20:30:13.928: E/AndroidRuntime(25485): at dalvik.system.NativeStart.main(Native Method) 07-17 20:30:13.928: E/AndroidRuntime(25485): Caused by: java.lang.reflect.InvocationTargetException 07-17 20:30:13.928: E/AndroidRuntime(25485): at java.lang.reflect.Method.invokeNative(Native Method) 07-17 20:30:13.928: E/AndroidRuntime(25485): at java.lang.reflect.Method.invoke(Method.java:511) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.view.View$1.onClick(View.java:3694) 07-17 20:30:13.928: E/AndroidRuntime(25485): ... 11 more 07-17 20:30:13.928: E/AndroidRuntime(25485): Caused by: java.lang.NullPointerException: println needs a message 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.util.Log.println_native(Native Method) 07-17 20:30:13.928: E/AndroidRuntime(25485): at android.util.Log.d(Log.java:155) 07-17 20:30:13.928: E/AndroidRuntime(25485): at com.example.flinkdownloadmanager.DownloadService.DownloadFile(DownloadService.java:87) 07-17 20:30:13.928: E/AndroidRuntime(25485): at com.example.flinkdownloadmanager.MainActivity.DownloadItem(MainActivity.java:115) 07-17 20:30:13.928: E/AndroidRuntime(25485): ... 14 more </code></pre> <p>and this is my code for the downloader </p> <pre><code>public void DownloadFile(String uri) { //Toast.makeText(this, uri, Toast.LENGTH_SHORT).show(); int count; try { URL url = new URL(uri); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setInstanceFollowRedirects(false); connection.connect(); } catch (Exception e) { Log.e("Error: ", e.getMessage()); } } </code></pre>
 

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