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