1 继承application

public class CustomApplication extends Application

{

private static final String VALUE = "Harvey";

private String value;

@Override

public void onCreate()

{

super.onCreate();

setValue(VALUE); // 初始化全局变量

}

public void setValue(String value)

{

this.value = value;

}

public String getValue()

{

return value;

}

}

 

2.在ApplicationManifest.xml文件中配置自定义的Application