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      1 #!/bin/sh
      2 
      3 # Copyright 2015 Google Inc.
      4 #
      5 # Use of this source code is governed by a BSD-style license that can be
      6 # found in the LICENSE file.
      7 
      8 if [ -z "$1" ]; then
      9     printf 'Usage:\n    android_skp_capture.sh PACKAGE_NAME\n\n'
     10     printf "Use \`adb shell 'pm list packages'\` to get a listing.\n\n"
     11     exit 1
     12 fi
     13 if ! command -v adb > /dev/null 2>&1; then
     14     if [ -x "${ANDROID_SDK_ROOT}/platform-tools/adb" ]; then
     15         adb() {
     16             "${ANDROID_SDK_ROOT}/platform-tools/adb" "$@"
     17         }
     18     else
     19         echo 'adb missing'
     20         exit 2
     21     fi
     22 fi
     23 phase1_timeout_seconds=15
     24 phase2_timeout_seconds=60
     25 package="$1"
     26 filename="$(date '+%H%M%S').skp"
     27 remote_path="/data/data/${package}/cache/${filename}"
     28 local_path="$(date '+%Y-%m-%d_%H%M%S')_${package}.skp"
     29 key='debug.hwui.capture_frame_as_skp'
     30 adb shell "setprop '${key}' '${remote_path}'"
     31 spin() {
     32     case "$spin" in
     33          1) printf '\b|';;
     34          2) printf '\b\\';;
     35          3) printf '\b-';;
     36          *) printf '\b/';;
     37     esac
     38     spin=$(( ( ${spin:-0} + 1 ) % 4 ))
     39     sleep $1
     40 }
     41 
     42 banner() {
     43     printf '\n=====================\n'
     44     printf '   %s' "$*"
     45     printf '\n=====================\n'
     46 }
     47 banner '...WAITING...'
     48 adb_test_exist() {
     49     test '0' = "$(adb shell "test -e \"$1\"; echo \$?")";
     50 }
     51 timeout=$(( $(date +%s) + $phase1_timeout_seconds))
     52 while ! adb_test_exist "$remote_path"; do
     53     spin 0.05
     54     if [ $(date +%s) -gt $timeout ] ; then
     55         printf '\bTimed out.\n'
     56         adb shell "setprop '${key}' ''"
     57         exit 3
     58     fi
     59 done
     60 printf '\b'
     61 
     62 banner '...SAVING...'
     63 adb_test_file_nonzero() {
     64     # grab first byte of `du` output
     65     X="$(adb shell "du \"$1\" 2> /dev/null | dd bs=1 count=1 2> /dev/null")"
     66     test "$X" && test "$X" -ne 0
     67 }
     68 #adb_filesize() {
     69 #    adb shell "wc -c \"$1\"" 2> /dev/null | awk '{print $1}'
     70 #}
     71 timeout=$(( $(date +%s) + $phase2_timeout_seconds))
     72 while ! adb_test_file_nonzero "$remote_path"; do
     73     spin 0.05
     74     if [ $(date +%s) -gt $timeout ] ; then
     75         printf '\bTimed out.\n'
     76         adb shell "setprop '${key}' ''"
     77         exit 3
     78     fi
     79 done
     80 printf '\b'
     81 
     82 adb shell "setprop '${key}' ''"
     83 
     84 i=0; while [ $i -lt 10 ]; do spin 0.10; i=$(($i + 1)); done; echo
     85 
     86 adb pull "$remote_path" "$local_path"
     87 if ! [ -f "$local_path" ] ; then
     88     printf "something went wrong with `adb pull`."
     89     exit 4
     90 fi
     91 adb shell rm "$remote_path"
     92 printf '\nSKP saved to file:\n    %s\n\n'  "$local_path"
     93