studio 操作记录

===========引入aar==================================apply plugin: 'com.android.library'android {    compileSdkVersion 25    buildToolsVersion "25.0.2"    defaultConfig {        minSdkVersion 21//这里必须比引用的库项目所要求SDK大        targetSdkVersion 25        versionCode 1        versionName "1.0"        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"    }    buildTypes {        release {    minifyEnabled true    debuggable false    shrinkResources true // 是否去除无效的资源文件            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'        }    }    repositories {//=====引入aar            flatDir {            dirs 'libs'            }    }}dependencies {//    compile fileTree(dir: 'libs', include: ['*.jar'])    //=====引入aarandroidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {        exclude group: 'com.android.support', module: 'support-annotations'    })    compile(name: 'bluetoothlib', ext: 'aar')    //=====引入aarcompile 'com.android.support:appcompat-v7:25.3.1'    testCompile 'junit:junit:4.12'    compile files('libs/Cocoframe_mini.jar')}