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POMethod not found using DigestUtils in Android
 

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    <p>I am trying to use the library <a href="http://commons.apache.org/codec/apidocs/org/apache/commons/codec/digest/DigestUtils.html">DigestUtils</a> in Android 2.3.1 using JDK 1.6, however I get the following error when executing the app:</p> <p><code>Could not find method org.apache.commons.codec.binary.Hex.encodeHexString, referenced from method org.apache.commons.codec.digest.DigestUtils.shaHex</code></p> <p>Here you have the stacktrace:</p> <pre><code>02-03 10:25:45.153: I/dalvikvm(1230): Could not find method org.apache.commons.codec.binary.Hex.encodeHexString, referenced from method org.apache.commons.codec.digest.DigestUtils.shaHex 02-03 10:25:45.153: W/dalvikvm(1230): VFY: unable to resolve static method 329: Lorg/apache/commons/codec/binary/Hex;.encodeHexString ([B)Ljava/lang/String; 02-03 10:25:45.153: D/dalvikvm(1230): VFY: replacing opcode 0x71 at 0x0004 02-03 10:25:45.153: D/dalvikvm(1230): VFY: dead code 0x0007-0008 in Lorg/apache/commons/codec/digest/DigestUtils;.shaHex ([B)Ljava/lang/String; 02-03 10:25:45.163: D/AndroidRuntime(1230): Shutting down VM 02-03 10:25:45.163: W/dalvikvm(1230): threadid=1: thread exiting with uncaught exception (group=0x40015560) 02-03 10:25:45.173: E/AndroidRuntime(1230): FATAL EXCEPTION: main 02-03 10:25:45.173: E/AndroidRuntime(1230): java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Hex.encodeHexString 02-03 10:25:45.173: E/AndroidRuntime(1230): at org.apache.commons.codec.digest.DigestUtils.md5Hex(DigestUtils.java:226) 02-03 10:25:45.173: E/AndroidRuntime(1230): at com.caumons.trainingdininghall.ConnectionProfileActivity.onCreate(ConnectionProfileActivity.java:20) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1586) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1638) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:928) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.os.Handler.dispatchMessage(Handler.java:99) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.os.Looper.loop(Looper.java:123) 02-03 10:25:45.173: E/AndroidRuntime(1230): at android.app.ActivityThread.main(ActivityThread.java:3647) 02-03 10:25:45.173: E/AndroidRuntime(1230): at java.lang.reflect.Method.invokeNative(Native Method) 02-03 10:25:45.173: E/AndroidRuntime(1230): at java.lang.reflect.Method.invoke(Method.java:507) 02-03 10:25:45.173: E/AndroidRuntime(1230): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 02-03 10:25:45.173: E/AndroidRuntime(1230): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 02-03 10:25:45.173: E/AndroidRuntime(1230): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>The line of code which causes the exception is:</p> <p><code>String hash = DigestUtils.shaHex("textToHash");</code></p> <p>I have executed the same code in a Java class outside Android and it works! So, I do not know why when working with Android it does not work... I put the libraty inside a new libs/ folder in my app and updated the BuildPath to use it. If I try to use md5 instead of sha1 I get the same exception. Any help would be appreciated! Thank you.</p> <p><strong>UPDATE:</strong></p> <p>As this is a very active question, I've changed the accepted answer in favour of @DA25, as his solution is straightforward and the high number of upvotes prove that it works.</p>
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    1. CODid you edit all the source files ? What is the best way for me to edit all the source files? If possible, can you share the new jar files that you have created.
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    2. COOpen the sources with Eclipse and change the package name to what you want. Then, use some command to replace the old strings that referenced the original package name. Where could I share the generated jar?
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