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我将此代码添加到我的 build.gradle 模块:app in android{} 部分。
buildTypes.each
it.buildConfigField 'String', 'OPEN_WEATHER_MAP_API_KEY', "f4a8ad01f485a8276a6dbc4d364b"
}
但是它导致了错误
Error:(14, 57) error: cannot find symbol variable f4a8ad01f485a8276a6dbc4d364b
OPEN_WEATHER_API_KEY 值不是在 ""内部生成的
public final class BuildConfig {
public static final boolean DEBUG = Boolean.parseBoolean("true");
public static final String APPLICATION_ID ="com.example.weatherforecast";
public static final String BUILD_TYPE = "debug";
public static final String FLAVOR = "";
public static final int VERSION_CODE = 1;
public static final String VERSION_NAME = "1.0";
// Fields from build type: debug
public static final String OPEN_WEATHER_MAP_API_KEY = f4a8ad01f485a8276a6dbc4d364b;
}
在 FetchWeatherTask.java 类中，我有这行代码，它没有显示任何错误。
private final String APP_ID = BuildConfig.OPEN_WEATHER_MAP_API_KEY;
为什么在 BuildConfig.java OPEN_WEATHER_API_KEY 值中它生成为变量而不是字符串值？