错误:无法使用哈希字符串"android-21"找到目标 [英] Error: failed to find target with hash string 'android-21'

问题描述

我想将compileSdkVersion从23更改为21.因此我在build.gradle中进行了以下更改，但出现了以下错误.如何解决此问题?

I want to change my compileSdkVersion from 23 to 21.So I have made following changes in the build.gradle but I am getting following error.How can I resolve this?

未能找到哈希字符串为"android-21"的目标

 apply plugin: 'com.android.application'

    android {
        compileSdkVersion 21
        buildToolsVersion "21.1.2"

        defaultConfig {
            applicationId "com.example.shalabh.fly"
            minSdkVersion 14
            targetSdkVersion 21
            versionCode 1
            versionName "1.0"
        }
        buildTypes {
            release {
                minifyEnabled false
                proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            }
        }
    }

    dependencies {
        compile fileTree(include: ['*.jar'], dir: 'libs')
        compile 'com.android.support:appcompat-v7:23.0.1'
        compile files('libs/httpclient-4.1-beta1.jar')
    }

推荐答案

以下内容适用于Android Studio 1.转到 app-> build.gradle->更改"compileSdkVersion'已安装的sdk版本"

Below is for Android studio 1. Go to app -> build.gradle -> change "compileSdkVersion 'installed sdk version'"

1. 转到工具-> Android->使用gradle文件同步项目

就这样，问题解决了:-)

That's it, problem solved:-)

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