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88 lines
3.2 KiB
88 lines
3.2 KiB
#!/bin/sh |
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LANG=C |
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if [ "$1" == "-h" ] |
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then |
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cat <<- EOH |
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Usage: $0 [-p] [folder] |
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-p option prints out unused resources, otherwise a total count is printed |
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folder option causes only that app folder to be scanned, default is to scan all folders onder apps/ |
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EOH |
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exit |
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fi |
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showall=no |
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if [ "$1" == "-p" ] |
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then |
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showall=yes |
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shift |
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fi |
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apps=$1 |
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if [ "$apps" == "" ] |
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then |
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apps=$ANDROID_BUILD_TOP/packages/apps/* |
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fi |
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for app in $apps |
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do |
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echo '-----------------------------------------------------------' |
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if [ "$app" == "." ] |
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then |
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app=$(pwd) |
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fi |
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if [ -d $app/res ] |
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then |
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appname=$(basename $app) |
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iappname=$(grep LOCAL_PACKAGE_NAME $app/Android.mk | sed 's/.*:= *//') |
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resources= |
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for res in $(echo $app/res/* $(find $ANDROID_BUILD_TOP/vendor -type d -wholename $ANDROID_BUILD_TOP/vendor/*/$appname/res | grep overlay)) |
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do |
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resources="$resources $(echo $res | grep -v '\-mcc\|[a-z]*-[a-z][a-z]$\|[a-z]*-[a-z][a-z]-.*')" |
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done |
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sources=$app/src |
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if [ -d $app/tests ] |
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then |
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sources="$sources $app/tests" |
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fi |
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if [ -d $app/samples ] |
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then |
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sources="$sources $app/samples" |
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fi |
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# find the R.java file that contains all the generated resource identifiers |
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rDotJava=$(find $ANDROID_BUILD_TOP/out/target/common/obj/APPS/${iappname}_intermediates/ -name R.java) |
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# Simplistically process the content of the file to get the names of all the constants, |
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# and try to find a reference to each constant. |
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# First take all the input files and concatenate them, removing newlines. This allows us to |
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# find expressions that are broken up over multiple lines, i.e. R.drawable.\nsomeconstant |
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find $resources $sources $app/AndroidManifest.xml -type f -print |xargs cat | tr -d '\n ' > /tmp/everything$$ |
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# Now look for each of the constants in the contatenated file. |
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for i in $(cat $rDotJava | grep "\w*=0x\d*" | sed 's/ *public static final int //' | sed 's/=0x.*//') |
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do |
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# Since periods in the names get translated to underscores in R.java, and you can actually |
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# refer to such constants from java by using an underscore instead of a period, we also |
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# replace all underscores with a pattern that will match periods and underscores. |
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p=$(echo $i | sed 's/_/[\\._]/g') |
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echo $i $(grep -cw R\\..*\\.$i\\\|@style/$p\\\|@drawable/$p\\\|@anim/$p\\\|@color/$p\\\|@xml/$p\\\|@layout/$p\\\|@menu/$p\\\|@+id/$p\\\|@array/$p\\\|@string/$p\\\|@mipmap/$p\\\|@integer/$p\\\|@dimen/$p\\\|\[a-z\]\*:$p\\\|enumname=\"$p\\\|\<item\>$p\< < /tmp/everything$$) |
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done | grep " 0$" | { |
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# this block gets as its input a list of constants for which no references were found, one per line |
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if [ "$showall" == "yes" ] |
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then |
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echo $app |
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cat |
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else |
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count=$(wc -l) |
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if [ "$count" != "0" ] |
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then |
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echo $app: $count unused resources |
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fi |
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fi |
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} |
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rm /tmp/everything$$ |
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fi |
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done
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