使用BaselineProfiles改善性能

Author: 10miaomiao

app/build.gradle.kts

@@ -23,7 +23,6 @@ android {
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
 
         ndk {
-//            abiFilters "arm64-v8a", "armeabi-v7a", "armeabi", "x86", "x86_64"
             abiFilters.add("arm64-v8a")
             abiFilters.add("armeabi-v7a")
             abiFilters.add("armeabi")
@@ -40,6 +39,12 @@ android {
                 "proguard-rules.pro"
             )
         }
+        create("benchmark") {
+            initWith(buildTypes.getByName("release"))
+            signingConfig = signingConfigs.getByName("debug")
+            matchingFallbacks += listOf("release")
+            isDebuggable = false
+        }
     }
 
     fun createManifestPlaceholders(
@@ -96,6 +101,7 @@ dependencies {
     implementation(Libraries.navigationFragment)
     implementation(Libraries.navigationUi)
     implementation(Libraries.media)
+    implementation("androidx.profileinstaller:profileinstaller:1.3.1")
 
     implementation(Libraries.kotlinxCoroutinesAndroid)
     implementation(Libraries.kodeinDi) // 依赖注入
@@ -141,7 +147,6 @@ dependencies {
     // 弹幕引擎
     implementation(project(":DanmakuFlameMaster"))
 
-
     // 百度统计
     implementation(Libraries.baiduMobstat)
 

app/src/main/baseline-prof.txt

@@ -0,0 +1 @@
+/build

benchmark/.gitignore

@@ -0,0 +1,63 @@
+plugins {
+    id("com.android.test")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "cn.a10miaomiao.bilimiao.benchmark"
+    compileSdk = 33
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    defaultConfig {
+        minSdk = 23
+        targetSdk = 33
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+
+//        testInstrumentationRunnerArguments["androidx.benchmark.suppressErrors"] = "EMULATOR,DEBUGGABLE"
+    }
+
+    buildTypes {
+        // This benchmark buildType is used for benchmarking, and should function like your
+        // release build (for example, with minification on). It"s signed with a debug key
+        // for easy local/CI testing.
+        create("benchmark") {
+            isDebuggable = true
+            signingConfig = getByName("debug").signingConfig
+            matchingFallbacks += listOf("release")
+        }
+    }
+
+    flavorDimensions += listOf("default")
+    productFlavors {
+        create("coolapk") { dimension = "default" }
+        create("github") { dimension = "default" }
+        create("gitee") { dimension = "default" }
+        create("qq") { dimension = "default" }
+        create("miao") { dimension = "default" }
+    }
+
+    targetProjectPath = ":app"
+    experimentalProperties["android.experimental.self-instrumenting"] = true
+}
+
+dependencies {
+    implementation("androidx.test.ext:junit:1.1.5")
+    implementation("androidx.test.espresso:espresso-core:3.5.1")
+    implementation("androidx.test.uiautomator:uiautomator:2.2.0")
+    implementation("androidx.benchmark:benchmark-macro-junit4:1.1.1")
+}
+
+androidComponents {
+    beforeVariants(selector().all()) {
+        it.enable = it.buildType == "benchmark"
+    }
+}

benchmark/build.gradle.kts

@@ -0,0 +1 @@
+<manifest />

benchmark/src/main/AndroidManifest.xml

@@ -0,0 +1,27 @@
+package cn.a10miaomiao.bilimiao.benchmark
+
+import androidx.benchmark.macro.ExperimentalBaselineProfilesApi
+import androidx.benchmark.macro.junit4.BaselineProfileRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+@OptIn(ExperimentalBaselineProfilesApi::class)
+class BaselineProfileGenerator {
+
+    @get:Rule
+    val rule = BaselineProfileRule()
+
+    @Test
+    fun generate() {
+        rule.collectBaselineProfile(
+            packageName = "com.a10miaomiao.bilimiao",
+        ) {
+            pressHome()
+            startActivityAndWait()
+
+        }
+    }
+}

benchmark/src/main/java/cn/a10miaomiao/bilimiao/benchmark/BaselineProfileGenerator.kt

@@ -0,0 +1,40 @@
+package cn.a10miaomiao.bilimiao.benchmark
+
+import androidx.benchmark.macro.CompilationMode
+import androidx.benchmark.macro.StartupMode
+import androidx.benchmark.macro.StartupTimingMetric
+import androidx.benchmark.macro.junit4.MacrobenchmarkRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * This is an example startup benchmark.
+ *
+ * It navigates to the device's home screen, and launches the default activity.
+ *
+ * Before running this benchmark:
+ * 1) switch your app's active build variant in the Studio (affects Studio runs only)
+ * 2) add `<profileable android:shell="true" />` to your app's manifest, within the `<application>` tag
+ *
+ * Run this benchmark from Studio to see startup measurements, and captured system traces
+ * for investigating your app's performance.
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleStartupBenchmark {
+    @get:Rule
+    val benchmarkRule = MacrobenchmarkRule()
+
+    @Test
+    fun startup() = benchmarkRule.measureRepeated(
+        packageName = "com.a10miaomiao.bilimiao",
+        metrics = listOf(StartupTimingMetric()),
+        iterations = 5,
+        startupMode = StartupMode.COLD
+    ) {
+        pressHome()
+        startActivityAndWait()
+    }
+
+}

benchmark/src/main/java/cn/a10miaomiao/bilimiao/benchmark/ExampleStartupBenchmark.kt

@@ -21,4 +21,6 @@ android.enableJetifier=true
 kotlin.code.style=official
 android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=false
-android.nonFinalResIds=false
+android.nonFinalResIds=false
+# Enable adding baseline-prof.txt files to AAR artifacts, and binary profiles to APKs
+android.experimental.enableArtProfiles=true  

gradle.properties

@@ -21,3 +21,4 @@ include(":app")
 include(":miao-binding", ":miao-binding-android")
 include(":bilimiao-comm", ":bilimiao-cover", ":bilimiao-download", "bilimiao-appwidget", "bilimiao-compose")
 include(":DanmakuFlameMaster")
+include(":benchmark")