并列题名：Android source design patterns analysis & practice 并列题名：Droid source design patterns analysis & practice Android source design patterns analysis & practice Android source design patterns analysis & practice. Droid source design patterns analysis & practice 并列题名：Droid design patterns and best practice 并列题名：React design patterns and best practices Droid design patterns and best practice 并列题名：Credit debt investment analysis and practice 并列题名：Hadoop HDFS in-depth analysis and practice