How-to debug native code with Android

1. Prerequisites

Also Eclipse CDT plugin it’s very useful for our purposes, so install it.
Last plugin to install it’s the Sequoyah plugin for Eclipse.

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2. Project setup

Select Android 2.2 as base SDK version and complete the project wizard.

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After this operation a new folder “jni” will be created with a .cpp file, header filer and an Android makefile, Android.mk, which can be edited to modify all the includes, linker and compiler options. In the Android.mk file you also need to specify all the source file you want to use within the LOCAL_SRC_FILE directive.

3. Debug

Personal Essays For College Admission Best First of all you need to mofify the AndroidManifest.xml file adding the attribute “debuggable” to true ( remember also to enable the “Debug USB” option under the Application device menu ).
At this point you can debug all the java code within your eclipse debugger, for for the native C debug you need more steps.

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Reading resource files from native code

Something like:

{
   AssetFileDescriptor ad = null;
   try
   {
      ad = getResources().getAssets().openFd( path );
      Integer off = (int) ad.getStartOffset();
      Integer len = (int) ad.getLength();
      int res[] = { off, len };
      ad.close();
      return res;
   } catch( IOException e ) {
      Log.e( TAG, e.toString() );
   }
   return null;
}

Academic Writing For International Graduate Students A better solution I’m using is to open the current apk application using the libzip library. Just download the library and compile as static library, then include it in your Android.mk make file under the LOCAL_STATIC_LIBRARIES section.
What you have to do first is to send the current application filename from java, once at startup, in this way:

try {
   info = getContext().getPackageManager().getPackageInfo("com.example.text", 0);
} catch( NameNotFoundException e ) {
   Log.e( TAG, e.toString() );
   return;
}
setAppName( info.applicationInfo.sourceDir );