参考：https://www.jianshu.com/p/f3b3e91575ee
-keepattributes Annotation
-keepattributes JavascriptInterface
-keepclassmembers class * {
@org.xwalk.core.JavascriptInterface <methods>;
}
-keepclassmembers class com.mybacc.xwalkvideoplayer.JSVideoObj {
public *;
}
参考：https://blog.csdn.net/Builder_Taoge/article/details/70158690
校验apk证书
jarsigner -verify -verbose -certs app/release/app-release.apk
简单来说，需要选中V1 版本
1）define table schema
2）generate provider code
fork from ContentProviderCodeGenerator.git
3）add define to manifest.xml，at application
<provider android:name="org.droidtv.scheduler.provider.SchedulesProvider"android:authorities="org.droidtv.scheduler.provider.SchedulesProvider"android:exported="true"/>
1）.将第三方库.so放到应用下的lib/armeabi中
很久之后重新编译，JAVA环境更改，默认的java是openjdk,命令行修改
LiquidSmooth 3.2 测试可用,适用于 华为 p1 xl U9200
1.安装apk，授予root 权限
2.选择Settings->Audio->Method->LG G2 ALSA
3.选择Settings->Debug->FM Chip->BCM 433x/207xx
4.下载 http://pan.baidu.com/s/1mgFU7DA
from:
http://4pda.ru/forum/index.php?showtopic=441214&st=1480#entry30741810