Gradle 3.0.0 从 gradle-experimental 升级：0.9.3 错误答案

【问题标题】：Gradle 3.0.0 upgrade from gradle-experimental:0.9.3 errorsGradle 3.0.0 从 gradle-experimental 升级：0.9.3 错误
【发布时间】：2017-11-01 09:32:08
【问题描述】：

升级到 Android Studio 3.0 后，一个项目也更新了，尽管我仍然保留了它的备份。我虽然会同意从非常早期的实验性 gradle 插件版本升级到 3.0.0 版本，但我遇到了很多麻烦。

我认为顶级 gradle 文件看起来绝对没问题。

buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'
        //classpath 'com.android.tools.build:gradle-experimental:0.9.3'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

app gradle 构建文件是我一直在对其进行大量更改的文件。它目前抱怨cppFlags 错误：

Error:(25, 0) Could not find method cppFlags() for arguments [-std=c++11, -fexceptions, -Isrc/main/android/armeabi-v7a/include, -frtti, -O2] on object of type com.android.build.gradle.internal.dsl.NdkOptions.

到目前为止，这个 gradle 文件的变化是：

//apply plugin: 'com.android.model.application'
apply plugin: 'com.android.application'

//model {
    android {
        buildToolsVersion "26.0.2"
        compileSdkVersion 23

        defaultConfig {
            minSdkVersion 19
            targetSdkVersion 19

            ndk {
                def ffmpeg = "src/main/android/armeabi-v7a/include"

                moduleName = "ffplayer3jni"

                ldLibs "log", "android", "GLESv2", "dl", "EGL", "z",
                        "stdc++", "OpenSLES"

                //cppFlags.addAll("-std=c++11", "-fexceptions", '-I'+file(ffmpeg),
                //        "-D __cplusplus=201103L", "-frtti",
                //        "-D __GXX_EXPERIMENTAL_CXX0X__", "-O2")

                cppFlags "-std=c++11", "-fexceptions", "-I${ffmpeg}", "-frtti", "-O2"

                stl "gnustl_static"

                //abiFilters.addAll("armeabi-v7a")
                abiFilters "armeabi-v7a"
            }
        }
    }

    android.buildTypes {
        release {
            minifyEnabled false
            proguardFiles.add(file('proguard-rules.pro'))
        }
    }

    repositories {
        def loc = "src/main/jniLibs/armeabi-v7a/"

        libs(PrebuiltLibraries) {

            libavutil {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavutil.so")
                }
            }

            libavcodec {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavcodec.so")
                }
            }

            libavformat {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavformat.so")
                }
            }

            libavfilter {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavfilter.so")
                }
            }

            libpostproc {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libpostproc.so")
                }
            }

            libswresample {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libswresample.so")
                }
            }

            libswscale {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libswscale.so")
                }
            }
        }
    }

    android.sources {
        main {
            jni {
                dependencies {
                    library "libavformat" linkage "shared"
                    library "libavcodec" linkage "shared"
                    library "libavfilter" linkage "shared"
                    library "libavutil" linkage "shared"
                    library "libswscale" linkage "shared"
                    library "libswresample" linkage "shared"
                    library "libpostproc" linkage "shared"
                }
            }
        }
    }
//}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.3.0'
}

原始 gradle 文件仍然适用于 Android Studio 2.3，即使它使用的是旧的实验性插件。该文件是/曾经是：

apply plugin: 'com.android.model.application'

model {
    android {
        def ffmpeg = "src/main/android/armeabi-v7a/include"

        buildToolsVersion "25.0.3"
        compileSdkVersion 25

        defaultConfig.with {
            minSdkVersion.apiLevel = 19
        }

        ndk {
            moduleName = "ffplayer3jni"

            ldLibs.addAll("log", "android", "GLESv2", "dl", "atomic", "EGL",
                    "z", "stdc++", "OpenSLES")

            cppFlags.addAll("-std=c++11", "-fexceptions", '-I'+file(ffmpeg),
                    "-D __cplusplus=201103L", "-frtti",
                    "-D __GXX_EXPERIMENTAL_CXX0X__", "-O2")
            CFlags.add('-I'+file(ffmpeg))

            stl = "gnustl_static"
            //stl = "stlport_shared"

            abiFilters.addAll("armeabi-v7a")
        }
    }

    android.buildTypes {
        release {
            minifyEnabled false
            proguardFiles.add(file('proguard-android.txt'))
        }
    }

    repositories {
        def loc = "src/main/jniLibs/armeabi-v7a/"

        libs(PrebuiltLibraries) {

            libavutil {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavutil.so")
                }
            }

            libavcodec {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavcodec.so")
                }
            }

            libavformat {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavformat.so")
                }
            }

            libavfilter {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libavfilter.so")
                }
            }

            libpostproc {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libpostproc.so")
                }
            }

            libswresample {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libswresample.so")
                }
            }

            libswscale {
                binaries.withType(SharedLibraryBinary) {
                    sharedLibraryFile = file(loc + "libswscale.so")
                }
            }
        }
    }

    android.sources {
        main {
            jni {
                dependencies {
                    library "libavformat" linkage "shared"
                    library "libavcodec" linkage "shared"
                    library "libavfilter" linkage "shared"
                    library "libavutil" linkage "shared"
                    library "libswscale" linkage "shared"
                    library "libswresample" linkage "shared"
                    library "libpostproc" linkage "shared"
                }
            }
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.3.0'
}

所以我的问题是，我需要进行哪些更改才能使该项目与 Android Studio 3.0 中的新 gradle 插件一起使用？

如您所见，我进行了一些更改。移动部分并更改选项以最终通过 gradle 脚本，但现在我非常卡住。

编辑：我最终放弃了，并在 Android Studio 3.0.1 中从头开始创建了一个新项目。经过多次谷歌搜索，我设法完成了所有本机代码、ffmpeg 库和正确的构建。

【问题讨论】：

你关注了吗：tools.android.com/tech-docs/new-build-system/…?
这只是概述了从 2.3 到新构建系统的升级。我要从 0.9.3 到 3.0.0。这么久以前不情愿是我的错。考虑创建一个新项目并复制所有内容。

标签： android gradle android-ndk

【解决方案1】：

我最终放弃了，在 Android Studio 3.0.1 中从头开始创建了一个新项目。经过多次谷歌搜索，我设法完成了所有本机代码、ffmpeg 库和正确的构建。

是的，实验性插件的概念非常不同。它试图引入一个新的基于 groovy 的构建系统。在这里，您依赖已建立的工具（cmake 或 Android.mk）来构建本机库。

【讨论】：