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Commit e6e17c73 authored by Eric Holk's avatar Eric Holk
Browse files

[startop] Add an app for testing startup performance 

This CL includes a simple app for testing aspects of startup performance. It
will probably gain new activities as we focus on different parts in
particular. Currently it has an empty activity and an activity that focuses on
layout inflation.

Test: mma, adb install, adb shell start (see README.md for exact commands)
Change-Id: I4e98994f0c25ce61a89d13f86eda2320a1fdcafa
parent 39b253ff

startop/apps/test/Android.bp

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//

// Copyright (C) 2019 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.

//



android_app {

    name: "startop_test_app",

    srcs: [

        "src/EmptyActivity.java",

        "src/LayoutInflation.java",

    ],

}

startop/apps/test/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2019 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.

-->



<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.android.startop.test">



    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true">

        <activity android:name=".EmptyActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />



                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>



        <activity android:name=".LayoutInflation" android:exported="true" />

    </application>



</manifest>

startop/apps/test/README.md

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This directory contains a simple Android app that is meant to help in doing

controlled startup performance experiments.



This app is structured as a number of activities that each are useful for a

different aspect of startup testing.



# Activities



## EmptyActivity



This is the simplest possible Android activity. Starting this exercises only the

system parts of startup without any app-specific behavior.



    adb shell am start -n com.android.startop.test/.EmptyActivity



## LayoutInflation



This activity inflates a reasonably complex layout to see the impact of layout

inflation. The layout is supported by the viewcompiler, so this can be used for

testing precompiled layout performance.



The activity adds an `inflate#activity_main` slice to atrace around the time

spent in view inflation to make it easier to focus on the time spent in view

inflation.



    adb shell am start -n com.android.startop.test/.LayoutInflation

startop/apps/test/res/drawable-v24/ic_launcher_foreground.xml

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<vector xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:aapt="http://schemas.android.com/aapt"

    android:width="108dp"

    android:height="108dp"

    android:viewportHeight="108"

    android:viewportWidth="108">

    <path

        android:fillType="evenOdd"

        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"

        android:strokeColor="#00000000"

        android:strokeWidth="1">

        <aapt:attr name="android:fillColor">

            <gradient

                android:endX="78.5885"

                android:endY="90.9159"

                android:startX="48.7653"

                android:startY="61.0927"

                android:type="linear">

                <item

                    android:color="#44000000"

                    android:offset="0.0" />

                <item

                    android:color="#00000000"

                    android:offset="1.0" />

            </gradient>

        </aapt:attr>

    </path>

    <path

        android:fillColor="#FFFFFF"

        android:fillType="nonZero"

        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"

        android:strokeColor="#00000000"

        android:strokeWidth="1" />

</vector>

startop/apps/test/res/drawable/ic_launcher_background.xml

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<?xml version="1.0" encoding="utf-8"?>

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    android:width="108dp"

    android:height="108dp"

    android:viewportHeight="108"

    android:viewportWidth="108">

    <path

        android:fillColor="#26A69A"

        android:pathData="M0,0h108v108h-108z" />

    <path

        android:fillColor="#00000000"

        android:pathData="M9,0L9,108"

        android:strokeColor="#33FFFFFF"

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    <path

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