android studio R文件丢失的问题

com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/home/mobi27/opt/AND-Studio/Android/Sdk/build-tools/22.0.1/aapt'' finished with non-zero exit value 1

以上是错误日志

解决办法：http://ask.csdn.net/questions/173573

我是根据以上提示修改build.gradle文件的

android {    compileSdkVersion 22    buildToolsVersion "23.0.1"    defaultConfig {        minSdkVersion 14        targetSdkVersion 22        versionCode 1        versionName "1.0"    }

dependencies {    compile fileTree(dir: 'libs', include: ['*.jar'])    compile 'com.android.support:appcompat-v7:23.0.0'

将22都改为23；

然后同步，下载sdk23就可以了