http://blog.csdn.net/cyistudio/article/details/9834321
https://github.com/googleads/googleads-mobile-android-examples/tree/master/admob
// 请在manifest里面设置当前activity属性 android:configChanges="keyboard|keyboardHidden|orientation|screenSize"
// // 全屏广告实例
displayer = AdDisplayer.getInstance(appActivity.this);
// 初始化全屏广告参数
displayer.initParems("5201f33630c542a0b851cb9325d744e2",true, appActivity.this);
// 设置全屏格式
/*
* 可选参数有:AdDisplayer.ADWO_FS_INTERCEPT 插屏全屏
* AdDisplayer.ADWO_FS_ENTRY
* AdDisplayer.ADWO_FS_TRANSPOSITION
*/
// displayer.setDesireAdForm(AdDisplayer.ADWO_FS_INTERCEPT);
displayer.setDesireAdForm(AdDisplayer.ADWO_FS_INTERCEPT);
// 设置请求广告类型 可选。
displayer.setDesireAdType(AdDisplayer.ADWO_FS_TYPE_ALL);
// 开始请求全屏广告
displayer.requestFullScreenAd();