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POunable to parse ' ' as integer in android
 

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  1. POunable to parse ' ' as integer in android
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    <p>I have read so many articles but still don't get it.</p> <p>I have a serial data which is a String type and i want to compare it with an integer.</p> <p>This is the read serial data code:</p> <pre><code>case MESSAGE_READ: int i; byte[] readBuf = (byte[]) msg.obj; // construct a string from the valid bytes in the buffer String readMessage = new String(readBuf, 0, msg.arg1); Log.i(LOG_TAG, readMessage); mTextView.setText(readMessage); String [] numbers = readMessage.split("\n"); int [] intNumber = new int[numbers.length]; //List&lt;Integer&gt; integers = new ArrayList&lt;Integer&gt;(); for (String number : numbers) { //integers.add(Integer.valueOf(number.trim())); for (i=0;i&lt;numbers.length;i++){ intNumber[i] = Integer.valueOf(number.trim()); if (intNumber[i]&lt;0 || intNumber[i]&gt;95){ //Some Actions } } } break; </code></pre> <p>And the LogCat shows:</p> <pre><code>05-06 17:28:06.919: D/BluetoothReadService(15090): connected 05-06 17:28:06.919: D/BluetoothReadService(15090): create ConnectedThread 05-06 17:28:06.929: D/BluetoothReadService(15090): setState() 2 -&gt; 3 05-06 17:28:06.949: I/BluetoothReadService(15090): BEGIN mConnectedThread 05-06 17:28:06.969: I/HBAS(15090): MESSAGE_STATE_CHANGE: 3 05-06 17:28:07.079: I/HBAS(15090): 24 05-06 17:28:07.079: I/HBAS(15090): 25 05-06 17:28:07.079: I/HBAS(15090): 26 05-06 17:28:07.079: I/HBAS(15090): 27 05-06 17:28:07.079: I/HBAS(15090): 28 05-06 17:28:07.079: I/HBAS(15090): 29 05-06 17:28:07.079: I/HBAS(15090): 0 05-06 17:28:07.079: I/HBAS(15090): 1 05-06 17:28:07.079: I/HBAS(15090): 2 05-06 17:28:07.079: I/HBAS(15090): 3 05-06 17:28:07.079: I/HBAS(15090): 4 05-06 17:28:07.079: I/HBAS(15090): 5 05-06 17:28:07.079: I/HBAS(15090): 6 05-06 17:28:07.079: I/HBAS(15090): 7 05-06 17:28:07.079: I/HBAS(15090): 8 05-06 17:28:07.079: I/HBAS(15090): 9 05-06 17:28:07.079: I/HBAS(15090): 10 05-06 17:28:07.079: I/HBAS(15090): 11 05-06 17:28:07.079: I/HBAS(15090): 12 05-06 17:28:07.079: I/HBAS(15090): 13 05-06 17:28:07.079: I/HBAS(15090): 14 05-06 17:28:07.079: I/HBAS(15090): 15 05-06 17:28:07.079: I/HBAS(15090): 16 05-06 17:28:07.079: I/HBAS(15090): 17 05-06 17:28:07.079: I/HBAS(15090): 18 05-06 17:28:07.079: I/HBAS(15090): 19 05-06 17:28:07.079: I/HBAS(15090): 20 05-06 17:28:07.079: I/HBAS(15090): 21 05-06 17:28:07.079: I/HBAS(15090): 22 05-06 17:28:07.079: I/HBAS(15090): 23 05-06 17:28:07.079: I/HBAS(15090): 24 05-06 17:28:07.079: I/HBAS(15090): 25 05-06 17:28:07.079: I/HBAS(15090): 26 05-06 17:28:07.079: I/HBAS(15090): 27 05-06 17:28:07.079: I/HBAS(15090): 28 05-06 17:28:07.079: I/HBAS(15090): 29 05-06 17:28:07.079: I/HBAS(15090): 0 05-06 17:28:07.079: I/HBAS(15090): 1 05-06 17:28:07.079: I/HBAS(15090): 2 05-06 17:28:07.079: I/HBAS(15090): 3 05-06 17:28:07.079: I/HBAS(15090): 4 05-06 17:28:07.079: I/HBAS(15090): 5 05-06 17:28:07.079: I/HBAS(15090): 6 05-06 17:28:07.079: I/HBAS(15090): 7 05-06 17:28:07.079: I/HBAS(15090): 8 05-06 17:28:07.079: I/HBAS(15090): 9 05-06 17:28:07.079: I/HBAS(15090): 10 05-06 17:28:07.079: I/HBAS(15090): 11 05-06 17:28:07.079: I/HBAS(15090): 12 05-06 17:28:07.079: I/HBAS(15090): 13 05-06 17:28:07.079: I/HBAS(15090): 14 05-06 17:28:07.079: I/HBAS(15090): 15 05-06 17:28:07.079: I/HBAS(15090): 16 05-06 17:28:07.079: I/HBAS(15090): 17 05-06 17:28:07.079: I/HBAS(15090): 18 05-06 17:28:07.079: I/HBAS(15090): 19 05-06 17:28:07.079: I/HBAS(15090): 20 05-06 17:28:07.079: I/HBAS(15090): 21 05-06 17:28:07.079: I/HBAS(15090): 22 05-06 17:28:07.079: I/HBAS(15090): 23 05-06 17:28:07.079: I/HBAS(15090): 24 05-06 17:28:07.079: I/HBAS(15090): 25 05-06 17:28:07.079: I/HBAS(15090): 26 05-06 17:28:07.079: I/HBAS(15090): 27 05-06 17:28:07.079: I/HBAS(15090): 28 05-06 17:28:07.079: I/HBAS(15090): 29 05-06 17:28:07.079: I/HBAS(15090): 0 05-06 17:28:07.079: I/HBAS(15090): 1 05-06 17:28:07.079: I/HBAS(15090): 2 05-06 17:28:07.079: I/HBAS(15090): 3 05-06 17:28:07.079: I/HBAS(15090): 4 05-06 17:28:07.079: I/HBAS(15090): 5 05-06 17:28:07.079: I/HBAS(15090): 6 05-06 17:28:07.079: I/HBAS(15090): 7 05-06 17:28:07.079: I/HBAS(15090): 8 05-06 17:28:07.079: I/HBAS(15090): 9 05-06 17:28:07.079: I/HBAS(15090): 10 05-06 17:28:07.079: I/HBAS(15090): 11 05-06 17:28:07.079: I/HBAS(15090): 12 05-06 17:28:07.079: I/HBAS(15090): 13 05-06 17:28:07.079: I/HBAS(15090): 14 05-06 17:28:07.079: I/HBAS(15090): 15 05-06 17:28:07.079: I/HBAS(15090): 16 05-06 17:28:07.079: I/HBAS(15090): 17 05-06 17:28:07.079: I/HBAS(15090): 18 05-06 17:28:07.079: I/HBAS(15090): 19 05-06 17:28:07.079: I/HBAS(15090): 20 05-06 17:28:07.079: I/HBAS(15090): 21 05-06 17:28:07.079: I/HBAS(15090): 22 05-06 17:28:07.079: I/HBAS(15090): 23 05-06 17:28:07.079: I/HBAS(15090): 24 05-06 17:28:07.079: I/HBAS(15090): 25 05-06 17:28:07.079: I/HBAS(15090): 26 05-06 17:28:07.079: I/HBAS(15090): 27 05-06 17:28:07.079: I/HBAS(15090): 28 05-06 17:28:07.079: I/HBAS(15090): 29 05-06 17:28:07.079: I/HBAS(15090): 0 05-06 17:28:07.079: I/HBAS(15090): 1 05-06 17:28:07.079: I/HBAS(15090): 2 05-06 17:28:07.079: I/HBAS(15090): 3 05-06 17:28:07.079: I/HBAS(15090): 4 05-06 17:28:07.079: I/HBAS(15090): 5 05-06 17:28:07.079: I/HBAS(15090): 6 05-06 17:28:07.079: I/HBAS(15090): 7 05-06 17:28:07.079: I/HBAS(15090): 8 05-06 17:28:07.079: I/HBAS(15090): 9 05-06 17:28:07.079: I/HBAS(15090): 10 05-06 17:28:07.079: I/HBAS(15090): 11 05-06 17:28:07.079: I/HBAS(15090): 12 05-06 17:28:07.969: I/HBAS(15090): 1 05-06 17:28:08.029: I/HBAS(15090): 3 05-06 17:28:09.019: I/HBAS(15090): 14 05-06 17:28:09.979: I/HBAS(15090): 1 05-06 17:28:10.029: I/HBAS(15090): 5 05-06 17:28:10.989: I/HBAS(15090): 16 05-06 17:28:12.009: I/HBAS(15090): 17 05-06 17:28:12.999: I/HBAS(15090): 18 05-06 17:28:13.999: I/HBAS(15090): 19 05-06 17:28:14.999: I/HBAS(15090): 20 05-06 17:28:16.009: I/HBAS(15090): 21 05-06 17:28:17.009: I/HBAS(15090): 22 05-06 17:28:18.009: I/HBAS(15090): 23 05-06 17:28:19.019: I/HBAS(15090): 24 05-06 17:28:20.019: I/HBAS(15090): 25 05-06 17:28:21.029: I/HBAS(15090): 26 05-06 17:28:22.029: I/HBAS(15090): 27 05-06 17:28:23.029: I/HBAS(15090): 28 05-06 17:28:24.039: I/HBAS(15090): 29 05-06 17:28:25.039: I/HBAS(15090): 0 05-06 17:28:26.029: I/HBAS(15090): 1 05-06 17:28:26.069: I/HBAS(15090): 05-06 17:28:26.069: D/AndroidRuntime(15090): Shutting down VM 05-06 17:28:26.069: W/dalvikvm(15090): threadid=1: thread exiting with uncaught exception (group=0x40018578) 05-06 17:28:26.079: E/AndroidRuntime(15090): FATAL EXCEPTION: main 05-06 17:28:26.079: E/AndroidRuntime(15090): java.lang.NumberFormatException: unable to parse '' as integer 05-06 17:28:26.079: E/AndroidRuntime(15090): at java.lang.Integer.parseInt(Integer.java:362) 05-06 17:28:26.079: E/AndroidRuntime(15090): at java.lang.Integer.parseInt(Integer.java:332) 05-06 17:28:26.079: E/AndroidRuntime(15090): at java.lang.Integer.valueOf(Integer.java:506) 05-06 17:28:26.079: E/AndroidRuntime(15090): at com.android.hbas.FinalSetting$1.handleMessage(FinalSetting.java:362) 05-06 17:28:26.079: E/AndroidRuntime(15090): at android.os.Handler.dispatchMessage(Handler.java:99) 05-06 17:28:26.079: E/AndroidRuntime(15090): at android.os.Looper.loop(Looper.java:130) 05-06 17:28:26.079: E/AndroidRuntime(15090): at android.app.ActivityThread.main(ActivityThread.java:3687) 05-06 17:28:26.079: E/AndroidRuntime(15090): at java.lang.reflect.Method.invokeNative(Native Method) 05-06 17:28:26.079: E/AndroidRuntime(15090): at java.lang.reflect.Method.invoke(Method.java:507) 05-06 17:28:26.079: E/AndroidRuntime(15090): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867) 05-06 17:28:26.079: E/AndroidRuntime(15090): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625) 05-06 17:28:26.079: E/AndroidRuntime(15090): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>At start it worked but at some time it FC because of ' ' thing. So any solution??? Thanks for the advice..</p>
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