1 files changed, 41 insertions, 0 deletions
diff --git a/startop/scripts/app_startup/launch_application b/startop/scripts/app_startup/launch_application
new file mode 100755
index 000000000000..bc4ec51d6d08
--- /dev/null
+++ b/startop/scripts/app_startup/launch_application
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Copyright 2018, The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source "$DIR/lib/common"
+
+launch_application() {
+  local package="$1"
+  local activity="$2"
+  local am_output="$(adb shell am start -S -W "$package"/"$activity")"
+  verbose_print adb shell am start -S -W "$package"/"$activity"
+  if [[ $? -ne 0 ]]; then
+    echo "am start failed" >&2
+
+    return 1
+  fi
+
+  # for everything else use the am start "TotalTime" output.
+  verbose_print "$am_output"
+  local total_time="$(echo "$am_output" | grep 'TotalTime:' | sed 's/TotalTime: //g')"
+  verbose_print "total time: $total_time"
+
+  # TODO: Extract alternative metrics such as the #reportFullyDrawn.
+
+  echo "$total_time"
+}
+
+launch_application "$@"