怎么将可运行的项目变成一个Lib库

在下亲自新建了一个可运行的module,和一个library,通过比较他们的差异,得出的结论。由此,可以实现组件化开发

module的gridle文件:

apply plugin: 'com.android.application'

android {
    compileSdkVersion 25
    buildToolsVersion "26.0.0"
    defaultConfig {
        applicationId "com.dingfang.org.componentdemo"
        minSdkVersion 15
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}


dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:26.+'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
}

library库的gridle文件:

apply plugin: 'com.android.library'

android {
    compileSdkVersion 25
    buildToolsVersion "26.0.0"

    defaultConfig {
        minSdkVersion 15
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:25.2.0'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
}

比较下来,就只有两个区别,module比library的gridle文件这里不同:

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

然后多了一个

applicationId "com.dingfang.org.componentdemo"  //为包名

所以只用将module的 apply plugin: 'com.android.application' 修改成 apply plugin: 'com.android.library',然后去掉applicationId ,并且去掉AndroidManifest.xmlapplication 节点name属性以及以下代码:

            
                

                
            

以上就完成了module向library的转换。反过来,操作也就不用多说了吧。

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