Android React Native在Android Studio中執行bundleReleaseJsAndAssets 打包失敗的解決方法
阿新 • • 發佈:2019-02-04
react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output C:\Users\Administrator\Desktop\AwesomeProject\android\app\build\intermediates\assets\release\index.android.bundle --assets-dest C:\Users\Administrator\Desktop\AwesomeProject\android\app\build\intermediates \res\merged\release
然而這不是最好的解決方法,我們最求的是自動化打包。這個bug更詳細的描述見can’t build release for android - Windows 7 。無意之下看到這個個issue,在該issue下的連結中找到了問題的解決方法,原文地址react-native-windows-apks,發現差不多該倉庫的主人也是最近遇到這個問題,因為看它的提交時間,基本上就是昨天提交的,而我遇到這個問題還要早它個幾天,但是當時由於技術水平,沒有找到解決方法,現在看到它這個暫時的解決方法真是開心啊。不多說,下面貼出解決方法。
由React Native生成的android專案,在app目錄下有一個react.gradle檔案,該檔案中的內容如下
def config = project.hasProperty("react") ? project.react : [];
def bundleAssetName = config.bundleAssetName ?: "index.android.bundle"
def entryFile = config.entryFile ?: "index.android.js"
// because elvis operator
def elvisFile(thing) {
return thing ? file(thing) : null;
}
def reactRoot = elvisFile(config.root ) ?: file("../../")
def jsBundleDirDebug = elvisFile(config.jsBundleDirDebug) ?:
file("$buildDir/intermediates/assets/debug")
def jsBundleDirRelease = elvisFile(config.jsBundleDirRelease) ?:
file("$buildDir/intermediates/assets/release")
def resourcesDirDebug = elvisFile(config.resourcesDirDebug) ?:
file("$buildDir/intermediates/res/merged/debug")
def resourcesDirRelease = elvisFile(config.resourcesDirRelease) ?:
file("$buildDir/intermediates/res/merged/release")
def inputExcludes = config.inputExcludes ?: ["android/**", "ios/**"]
def jsBundleFileDebug = file("$jsBundleDirDebug/$bundleAssetName")
def jsBundleFileRelease = file("$jsBundleDirRelease/$bundleAssetName")
task bundleDebugJsAndAssets(type: Exec) {
// create dirs if they are not there (e.g. the "clean" task just ran)
doFirst {
jsBundleDirDebug.mkdirs()
resourcesDirDebug.mkdirs()
}
// set up inputs and outputs so gradle can cache the result
inputs.files fileTree(dir: reactRoot, excludes: inputExcludes)
outputs.dir jsBundleDirDebug
outputs.dir resourcesDirDebug
// set up the call to the react-native cli
workingDir reactRoot
commandLine "react-native", "bundle", "--platform", "android", "--dev", "true", "--entry-file",
entryFile, "--bundle-output", jsBundleFileDebug, "--assets-dest", resourcesDirDebug
enabled config.bundleInDebug ?: false
}
task bundleReleaseJsAndAssets(type: Exec) {
// create dirs if they are not there (e.g. the "clean" task just ran)
doFirst {
jsBundleDirRelease.mkdirs()
resourcesDirRelease.mkdirs()
}
// set up inputs and outputs so gradle can cache the result
inputs.files fileTree(dir: reactRoot, excludes: inputExcludes)
outputs.dir jsBundleDirRelease
outputs.dir resourcesDirRelease
// set up the call to the react-native cli
workingDir reactRoot
commandLine "react-native", "bundle", "--platform", "android", "--dev", "false", "--entry-file",
entryFile, "--bundle-output", jsBundleFileRelease, "--assets-dest", resourcesDirRelease
enabled config.bundleInRelease ?: true
}
gradle.projectsEvaluated {
// hook bundleDebugJsAndAssets into the android build process
bundleDebugJsAndAssets.dependsOn mergeDebugResources
bundleDebugJsAndAssets.dependsOn mergeDebugAssets
processDebugResources.dependsOn bundleDebugJsAndAssets
// hook bundleReleaseJsAndAssets into the android build process
bundleReleaseJsAndAssets.dependsOn mergeReleaseResources
bundleReleaseJsAndAssets.dependsOn mergeReleaseAssets
processReleaseResources.dependsOn bundleReleaseJsAndAssets
}
而這個gradle當時寫的時候應該是針對mac來寫的,所以在windows上可能遇到了那麼一點問題,我們需要對該gradle檔案進行一點細微的修改,在該檔案最上面新增
import org.apache.tools.ant.taskdefs.condition.Os
將task bundleDebugJsAndAssets和bundleReleaseJsAndAssets中的執行語句註釋掉,也就是下面兩句語句進行註釋
commandLine "react-native", "bundle", "--platform", "android", "--dev", "true", "--entry-file",
entryFile, "--bundle-output", jsBundleFileDebug, "--assets-dest", resourcesDirDebug
commandLine "react-native", "bundle", "--platform", "android", "--dev", "false", "--entry-file",
entryFile, "--bundle-output", jsBundleFileRelease, "--assets-dest", resourcesDirRelease
對應的替換為
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine "cmd", "/c", "react-native", "bundle", "--platform", "android", "--dev", "true", "--entry-file",
entryFile, "--bundle-output", jsBundleFileDebug, "--assets-dest", resourcesDirDebug
} else {
commandLine "react-native", "bundle", "--platform", "android", "--dev", "true", "--entry-file",
entryFile, "--bundle-output", jsBundleFileDebug, "--assets-dest", resourcesDirDebug
}
和
if (Os.isFamily(Os.FAMILY_WINDOWS)) {
commandLine "cmd","/c", "react-native", "bundle", "--platform", "android", "--dev", "false", "--entry-file",
entryFile, "--bundle-output", jsBundleFileRelease, "--assets-dest", resourcesDirRelease
} else {
commandLine "react-native", "bundle", "--platform", "android", "--dev", "false", "--entry-file",
entryFile, "--bundle-output", jsBundleFileRelease, "--assets-dest", resourcesDirRelease
}
也就是對作業系統進行判斷,假設是windows,就在命令前面加上cmd /c,之後後面緊跟原命令,否則就像原來那樣執行。
相信這個bug在不就的將來會得到解決,這個只是臨時的解決方法,文章寫作時,React Native Android的版本為0.14.2