allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}

dependencies {
	        compile 'com.github.xuanu:CropImagePlugin:0.0.3'
	}

 startActivityForResult(new Intent(this, CropImageActivity.class).putExtra(CropImageActivity.Key_Key, filePath2).putExtra(CropImageActivity.SCALE_KEY, 1f), xxx);//一定要加f
//Key_Key,本地路径，必填
//scale比例，选填