在根项目“ myproject”中找不到路径为“：mypath”的项目

我从Eclipse迁移到android studio 0.5.8，将项目导入到android studio后，我遇到了错误Project with path ':progressfragment' could not be found in root project 'project_name'.

项目结构：

图书馆

完整结构（编辑2）：

Gradle.build：

apply plugin: 'android'

dependencies {
    compile fileTree(dir: 'libs', include: '*.jar')
    compile project(':progressfragment')
    compile project(':viewpagerindicatorlibrary')
    compile project(':ZBarScannerActivity')
    compile project(':google-play-services_lib')
    compile project(':SwitchCompatLibrary')
    compile project(':actionbarsherlock')
    compile project(':librarymultichoice')
}



buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.9.+'
    }
}

android {
    compileSdkVersion 14
    buildToolsVersion "19.0.1"

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            resources.srcDirs = ['src']
            aidl.srcDirs = ['src']
            renderscript.srcDirs = ['src']
            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
        }

        // Move the tests to tests/java, tests/res, etc...
        instrumentTest.setRoot('tests')

        // Move the build types to build-types/<type>
        // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ...
        // This moves them out of them default location under src/<type>/... which would
        // conflict with src/ being used by the main source set.
        // Adding new build types or product flavors should be accompanied
        // by a similar customization.
        debug.setRoot('build-types/debug')
        release.setRoot('build-types/release')
    }
}