File list (Check if you may need any files):
EX21_WebAndJS\.classpath
.............\.project
.............\.settings\org.eclipse.core.resources.prefs
.............\AndroidManifest.xml
.............\assets\android.html
.............\bin\AndroidManifest.xml
.............\...\classes\org\yuchen\webandjs\BuildConfig.class
.............\...\.......\...\......\........\MainActivity$1.class
.............\...\.......\...\......\........\MainActivity$2.class
.............\...\.......\...\......\........\MainActivity$MyWebChromeClient.class
.............\...\.......\...\......\........\MainActivity$MyWebViewClient$1.class
.............\...\.......\...\......\........\MainActivity$MyWebViewClient.class
.............\...\.......\...\......\........\MainActivity$runJavaScript$1.class
.............\...\.......\...\......\........\MainActivity$runJavaScript.class
.............\...\.......\...\......\........\MainActivity.class
.............\...\.......\...\......\........\R$attr.class
.............\...\.......\...\......\........\R$drawable.class
.............\...\.......\...\......\........\R$id.class
.............\...\.......\...\......\........\R$layout.class
.............\...\.......\...\......\........\R$string.class
.............\...\.......\...\......\........\R.class
.............\...\classes.dex
.............\...\EX15_WebAndJS.apk
.............\...\EX21_WebAndJS.apk
.............\...\jarlist.cache
.............\...\org\yuchen\webandjs\MainActivity$MyWebChromeClient.class
.............\...\...\......\........\MainActivity$MyWebViewClient.class
.............\...\...\......\........\MainActivity$runJavaScript.class
.............\...\...\......\........\MainActivity.class
.............\...\...\......\........\R$attr.class
.............\...\...\......\........\R$drawable.class
.............\...\...\......\........\R$id.class
.............\...\...\......\........\R$layout.class
.............\...\...\......\........\R$string.class
.............\...\...\......\........\R.class
.............\...\res\crunch\drawable-hdpi\icon.png
.............\...\...\......\.........ldpi\icon.png
.............\...\...\......\.........mdpi\icon.png
.............\...\...\drawable-hdpi\icon.png
.............\...\...\.........ldpi\icon.png
.............\...\...\.........mdpi\icon.png
.............\...\resources.ap_
.............\default.properties
.............\gen\org\yuchen\webandjs\BuildConfig.java
.............\...\...\......\........\R.java
.............\proguard.cfg
.............\project.properties
.............\res\drawable-hdpi\icon.png
.............\...\.........ldpi\icon.png
.............\...\.........mdpi\icon.png
.............\...\layout\main.xml
.............\...\values\strings.xml
.............\src\org\yuchen\webandjs\MainActivity.java
.............\bin\classes\org\yuchen\webandjs
.............\...\.......\...\yuchen
.............\...\org\yuchen\webandjs
.............\...\res\crunch\drawable-hdpi
.............\...\...\......\drawable-ldpi
.............\...\...\......\drawable-mdpi
.............\gen\org\yuchen\webandjs
.............\src\org\yuchen\webandjs
.............\bin\classes\org
.............\...\org\yuchen
.............\...\res\crunch
.............\...\...\drawable-hdpi
.............\...\...\drawable-ldpi
.............\...\...\drawable-mdpi
.............\gen\org\yuchen
.............\src\org\yuchen
.............\bin\classes
.............\...\dexedLibs
.............\...\org
.............\...\res
.............\gen\org
.............\res\drawable-hdpi
.............\...\drawable-ldpi
.............\...\drawable-mdpi
.............\...\layout
.............\...\values
.............\src\org
.............\.settings
.............\assets
.............\bin
.............\gen
.............\res
.............\src
EX21_WebAndJS