[7.1 Activity组件应用实例](7.1Activity%E7%BB%84%E4%BB%B6%E5%BA%94%E7%94%A8%E5%AE%9E%E4%BE%8B.md) [7.2 根Activity的启动过程](7.2%E6%A0%B9Activity%E7%9A%84%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B.md) [7.3 Activity在进程内的启动过程](7.3Activity%E5%9C%A8%E8%BF%9B%E7%A8%8B%E5%86%85%E7%9A%84%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B.md) [7.4 Activity在新进程中的启动过程](7.4Activity%E5%9C%A8%E6%96%B0%E8%BF%9B%E7%A8%8B%E4%B8%AD%E7%9A%84%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B.md)