無法在android工作室中包含hf/leveldb-android

Question

我現在嘗試幾個小時將hf/leveldb-android包含到現有的Android項目中。要重現此問題，只需將該項目下載爲* .zip文件並將其添加爲現有模塊。到目前爲止這麼神，但如果gradle開始構建過程，它總是失敗並顯示以下消息。

Error:Execution failed for task ':leveldb:preBuildLevelDB'. 
> A problem occurred starting process 'command 'sh'' 

我覺得是由下面這行代碼引起的。

task preBuildLevelDB { 
doLast { 
    exec { 
     commandLine 'sh', projectDir.getAbsolutePath() + '/src/main/jni-prebuild/prebuild' 
    } 
    } 
} 

我不知道什麼'sh'應該是一個工具，從來沒有聽說過它，谷歌並沒有幫助我。我嘗試了幾件事來修改gradle.build文件，但並未解決問題。任何想法？

完全gradle.build

buildscript { 
repositories { 
    mavenLocal() 
    mavenCentral() 
} 
dependencies { 
    classpath 'com.android.tools.build:gradle:1.3.0' 
} 
} 

apply plugin: 'android-library' 

repositories { 
mavenCentral() 
} 

android { 
compileSdkVersion 22 
buildToolsVersion "23.0.1" 

defaultConfig { 
    minSdkVersion 10 
    targetSdkVersion 22 

    versionCode 1 
    versionName "1.0" 

    testApplicationId "com.github.hf.leveldb.test" 
    testInstrumentationRunner "android.test.InstrumentationTestRunner" 
    testHandleProfiling true 
    testFunctionalTest true 
} 
} 

dependencies { 
androidTestCompile 'commons-io:commons-io:2.+' 
androidTestCompile 'org.assertj:assertj-core:1.6.+' 
    } 
task preBuildLevelDB { 
doLast { 
    exec { 
     commandLine 'sh', projectDir.getAbsolutePath() + '/src/main/jni-prebuild/prebuild' 
    } 
    } 
    } 

preBuild.dependsOn preBuildLevelDB 
preBuild {}.mustRunAfter preBuildLevelDB 

預生成

#!/bin/bash 

PREBUILD_DIR=`dirname $0` 
PREBUILD_CHECKSUM=`find $PREBUILD_DIR -type f -name "*" -exec md5sum {} + | awk '{print $1}' | sort | md5sum` 

JNI_DIR=$PREBUILD_DIR/../jni 
JNI_LIBS_DIR=$PREBUILD_DIR/../jniLibs 

LIBS_DIR=$PREBUILD_DIR/../libs 

BUILD_DIR=$PREBUILD_DIR/../../../build 
CHECKSUM_FILE=$BUILD_DIR/jni-prebuild-checksum 

if [ -f $CHECKSUM_FILE ] && [ -d $JNI_LIBS_DIR ] 
    then 

    echo $PREBUILD_CHECKSUM | cmp $CHECKSUM_FILE - 
    CMP_STATUS=$? 

    if [ $CMP_STATUS -eq 0 ] 
    then 

    echo "Not compiling, sources have not changed." 
    exit 0 
fi 
fi 

rm -f $CHECKSUM_FILE 
rm -rf $JNI_DIR 
rm -fr $JNI_LIBS_DIR 
cp -r $PREBUILD_DIR $JNI_DIR 

ndk-build --directory $JNI_DIR 

BUILD_STATUS=$? 

if [ $BUILD_STATUS -eq 0 ] 
    then 
    echo $PREBUILD_CHECKSUM > $CHECKSUM_FILE 
    cp -r $LIBS_DIR $JNI_LIBS_DIR 
fi 

rm -rf $JNI_DIR 

exit $BUILD_STATUS 

Answer 1

我不認爲你需要的sh，你可以使用GString輔助方法來簡化代碼：

task preBuildLevelDB { 
    doLast { 
     exec { 
      // start the execution of the command 
      Process process = "${projectDir.getAbsolutePath()}/src/main/jni-prebuild/prebuild".execute() 
      // wait for the command to finish then check if successful 
      // if we don't explicitly wait the command is executed async from the build 
      // this can mean the task ends before the command is finished executing 
      if (process.waitFor() != 0) { 
       // If the prebuild failed then we probably want to fail the entire build 
       throw new Exception("Failed during jni prebuild, check compiler output for error") 
      } 
     } 
    } 
}