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#!/bin/bash
#
# Wait for the device to be charged enough for testing.
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
SKIP_TOOLCHAIN_SETUP="true"
source $SCRIPT_DIR/android_setup.sh
source $SCRIPT_DIR/utils/setup_adb.sh
# Helper function used by get_battery_level. Parses the battery level from
# dumpsys output.
function _parse_battery_level {
SPLIT=( $@ )
HAS_BATTERY=1
LEVEL=""
for i in "${!SPLIT[@]}"; do
if [ "${SPLIT[$i]}" = "level:" ]; then
LEVEL="${SPLIT[$i+1]}"
fi
if [ "${SPLIT[$i]}" = "present:" ]; then
PRESENT="$(echo "${SPLIT[$i+1]}" | tr -d '\r')"
if [ "$PRESENT" = "0" ]; then
HAS_BATTERY=0
fi
if [ "$PRESENT" = "false" ]; then
HAS_BATTERY=0
fi
fi
done
if [ "$HAS_BATTERY" = "1" ]; then
echo "$LEVEL" | tr -d '\r'
return
fi
# If there's no battery, report a full battery.
echo "Device has no battery." 1>&2
echo "100"
}
# Echo the battery level percentage of the attached Android device.
function get_battery_level {
STATS="$($ADB $DEVICE_SERIAL shell dumpsys batteryproperties)"
SPLIT=( $STATS )
RV="$(_parse_battery_level ${SPLIT[@]})"
if [ -n "$RV" ]; then
echo "$RV"
return
fi
echo "Battery level fallback..." 1>&2
STATS="$($ADB $DEVICE_SERIAL shell dumpsys battery)"
SPLIT=( $STATS )
RV="$(_parse_battery_level ${SPLIT[@]})"
if [ -n "$RV" ] && [ "$RV" != "-1" ]; then
echo "$RV"
return
fi
echo "Could not determine battery level!" 1>&2
# Just exit to prevent hanging forever or failing the build.
echo "0"
}
# Wait for battery charge.
DESIRED_BATTERY_LEVEL=80
CURRENT_BATTERY_LEVEL="$(get_battery_level)"
while [ "${CURRENT_BATTERY_LEVEL}" -lt "${DESIRED_BATTERY_LEVEL}" ]; do
echo "Battery level is ${CURRENT_BATTERY_LEVEL}; waiting to charge to ${DESIRED_BATTERY_LEVEL}"
sleep 5
CURRENT_BATTERY_LEVEL="$(get_battery_level)"
done
echo "Charged!"
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