android Intent使用案例 含：播放多媒体、打电话、发短信、发送email、发邮件、google服务、组件component、action值自定义、显示地图/路径规划、选择应用、打开应用列表、搜索应用等意图实例。-android Intent use cases including: multimedia player, phone calls, send text messages, send email, send email, google services, component