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我正在尝试发布我的第一个 Android/React Native 应用。
我正在关注“为您的应用签名”Google 页面 (https://developer.android.com/studio/publish/app-signing) 和“生成签名的 APK”React Native 页面 (https://facebook.github.io/react-native/docs/signed-apk-android),但我无法正确生成 APK。
你有什么想法吗?谢谢。
尝试生成已签名的 APK 时,我收到一条奇怪的错误消息“没有这样的比例”。 keystore 文件不在项目中,因此签名信息不在应用程序项目中。
我试过了
rm -rf node_modules && yarn install
Android Studio > File > Invalidate Caches / Restart
APK生成
$./gradlew assembleRelease --stacktrace --info
[...]
> Task :app:bundleReleaseJsAndAssets
Putting task artifact state for task ':app:bundleReleaseJsAndAssets' into context took 0.0 secs.
Executing task ':app:bundleReleaseJsAndAssets' (up-to-date check took 0.839 secs) due to:
Task has failed previously.
Starting process 'command 'node''. Working directory: MyApp Command: node node_modules/react-native/local-cli/cli.js bundle --platform android --dev false --reset-cache --entry-file index.js --bundle-output MyApp/android/app/build/intermediates/assets/release/index.android.bundle --assets-dest MyApp/android/app/build/intermediates/res/merged/release
Successfully started process 'command 'node''
Scanning folders for symlinks in MyApp/node_modules (21ms)
Scanning folders for symlinks in MyApp/node_modules (24ms)
Loading dependency graph, done.
warning: the transform cache was reset.
bundle: start
bundle: finish
bundle: Writing bundle output to: MyApp/android/app/build/intermediates/assets/release/index.android.bundle
bundle: Done writing bundle output
no such scale
:app:bundleReleaseJsAndAssets (Thread[Task worker for ':' Thread 3,5,main]) completed. Took 2 mins 1.325 secs.
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:bundleReleaseJsAndAssets'.
> Process 'command 'node'' finished with non-zero exit value 1
* Try:
Run with --debug option to get more log output.
* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:bundleReleaseJsAndAssets'.
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:63)
at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:88)
at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:124)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:80)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:105)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:99)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:625)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:580)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:99)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
Caused by: org.gradle.process.internal.ExecException: Process 'command 'node'' finished with non-zero exit value 1
at org.gradle.process.internal.DefaultExecHandle$ExecResultImpl.assertNormalExitValue(DefaultExecHandle.java:380)
at org.gradle.process.internal.DefaultExecAction.execute(DefaultExecAction.java:31)
at org.gradle.api.tasks.AbstractExecTask.exec(AbstractExecTask.java:54)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.doExecute(DefaultTaskClassInfoStore.java:141)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:134)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:121)
at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:731)
at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:705)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:122)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:197)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:107)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:111)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
... 27 more
* Get more help at https://help.gradle.org
BUILD FAILED in 2m 3s
50 actionable tasks: 2 executed, 48 up-to-date
gradle.properties
android.useDeprecatedNdk=true
Keys.repo=/<absolute_path_away_project>/Android_certificates/
keystore /release.keystore.properties
keyAlias='SigningKeyAlias'
keyPassword='<password_string>'
storeFile='<store_filename'
storePassword='<password_store'
应用程序.gradle
apply plugin: "com.android.application"
import com.android.build.OutputFile
project.ext.react = [
entryFile: "index.js"
]
apply from: "../../node_modules/react-native/react.gradle"
def enableSeparateBuildPerCPUArchitecture = false
def enableProguardInReleaseBuilds = true
// Create a variable called keystorePropertiesFile, and initialize it to your
// release.keystore.properties file, in the rootProject folder.
def keystorePropertiesFile = file("keystores/release.keystore.properties")
// Initialize a new Properties() object called keystoreProperties.
def keystoreProperties = new Properties()
// Load your keystore.properties file into the keystoreProperties object.
keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
def projectPropsFile = file(project.property("Keys.repo") + keystoreProperties['storeFile'])
android {
signingConfigs {
release {
storeFile projectPropsFile
storePassword keystoreProperties['storePassword']
keyAlias keystoreProperties['keyAlias']
keyPassword keystoreProperties['keyPassword']
}
}
compileSdkVersion 26
buildToolsVersion '26.0.2'
defaultConfig {
applicationId "com.myapp"
minSdkVersion 16
targetSdkVersion 22
versionCode 1
versionName "1.0"
ndk {
abiFilters "armeabi-v7a", "x86"
}
}
splits {
abi {
reset()
enable enableSeparateBuildPerCPUArchitecture
universalApk false // If true, also generate a universal APK
include "armeabi-v7a", "x86"
}
}
buildTypes {
release {
minifyEnabled enableProguardInReleaseBuilds
proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
signingConfig signingConfigs.release
debuggable true
jniDebuggable true
renderscriptDebuggable true
}
}
// applicationVariants are e.g. debug, release
applicationVariants.all { variant ->
variant.outputs.each { output ->
// For each separate APK per architecture, set a unique version code as described here:
// http://tools.android.com/tech-docs/new-build-system/user-guide/apk-splits
def versionCodes = ["armeabi-v7a": 1, "x86": 2]
def abi = output.getFilter(OutputFile.ABI)
if (abi != null) { // null for the universal-debug, universal-release variants
output.versionCodeOverride =
versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
}
}
}
}
dependencies {
implementation 'com.google.firebase:firebase-messaging:17.1.0'
compile project(':react-native-push-notification-ce')
compile project(':react-native-vector-icons')
compile project(':react-native-i18n')
compile project(':react-native-config')
compile fileTree(include: ['*.jar'], dir: 'libs')
compile 'com.android.support:appcompat-v7:23.0.1'
compile 'com.facebook.react:react-native:+'
// From node_modules
compile 'com.google.firebase:firebase-core:16.0.1'
}
// Run this once to be able to run the application with BUCK
// puts all compile dependencies into folder libs for BUCK to use
task copyDownloadableDepsToLibs(type: Copy) {
from configurations.compile
into 'libs'
}
apply plugin: 'com.google.gms.google-services'
最佳答案
在我的例子中,原因是我在图像文件名中有无效的 (?) dpi 说明符。
我的设备 dpi 是 400,所以我有像 myimage@2.5x.png
这样的文件。调试版本构建得很好,但不是发布版。一旦我将 2.5 更改为 2,就构建了发布版本。
希望对您有所帮助。
关于android - react native Android : unable to generate signed APK : "no such scale",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51458698/
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