Android 单例模式封装Application

代码

public class BaseApplication extends Application {
    
    

    private static BaseApplication baseApplication;

    public BaseApplication() {
    
    
        super();
        baseApplication = this;
    }

    public static BaseApplication getInstance() {
    
    
        return baseApplication;
    }
}

配置

<application
      android:name="BaseApplication"
      ...>
      ...
</application>

调用

Context instance = BaseApplication.getInstance();

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转载自blog.csdn.net/m0_48440239/article/details/114694826