ScreenCapture2Gif

• 录屏(已完成)
• 把录屏转为gif
• 默认保存在Download目录下
• 默认转换成的gif文件分辨率为width 270, heigh 480, 方便在github和coding.net上显示

效果图

原理图

• 从初始MainActivity可以点击右上角,进入SettingsActivity, 设置自定义信息
• 点击MainActivity开始ScreenCaptureServie, MainActivity隐藏不可见, ScreenCaptureServide开始录制屏幕,同时Notification显示当前录制状态和提供停止录制控制
• 从Notification停止录制ScreenCaptureService, 启动JNI ffmpeg convert video to gif
• ScreenCaptureService停止
• 默认录制的视频和生成gif文件都保存在手机存储的Download目录下, 可以在SettingsActivity中修改自定义位置

Notes

至少android5.0

因为使用了在android5.0引入的接口MediaProjection

show touch feedback

http://stackoverflow.com/questions/14374169/android-implement-show-touches-programatically https://github.com/googlesamples/android-ScreenCapture

transplant ffmpeg to android

https://github.com/tainzhi/ffmpeg-for-android-shared-library

use ffmpeg jni to get gif from video

https://github.com/tainzhi/ffmpeg-jni-example

ffmpeg -ss 0 -t 20 -i /storage/sdcard0/Download/video.mp4 -vf scale=iw/2:ih/2 -gifflags -transdiff -r 15 -y /storage/sdcard0/Download/video.gif
ffmpeg -i /storage/sdcard0/Download/video.mp4 -gifflags -transdiff -r 15 -y /storage/sdcard0/Download/video.gif

Todo

• [+] 绘制圆底start
• [+] Settings选项: name, resolution 480x270, delay 100
• [+] 判断当前的屏幕分辨率, 然后缩放
• [+] 绘制AppIcon(Android图标+GIF)
• [+] Settings: from Video or from pictures
• [+] notification
• [+] video to gif
• Martial Design
• 后台执行任务
• gif drawable

References

GifAssistant Record Screen: Telecine