android编译错误

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Checking build tools versions...
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You are attempting to build with the incorrect version
of java.
 
Your version is: java version "1.6.0_45" Java(TM) SE Runtime Environment (build 1.6.0_45-b06) Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode).
The required version is: "1.7.x"
 
Please follow the machine setup instructions at
    https://source.android.com/source/initializing.html
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build/core/main.mk:171: *** stop。 停止。

#### make failed to build some targets (06:37 (mm:ss)) ####

java版本不匹配导致的错误