move shell to a new package
add choice to be printed, but failed
successfully add choosing automation feature
change the for cycle in read Log cat function by increase step to 2
add log cache feature in case of application crash by new Threads
every time the readlogcat() function executed.
use native shell to input key event, change su
let the activity listen to the left control key and delete result after
uploading.
add space strategy.
change instrumentation to type and test
fix tartget, add function to read IME　info.
add three key event to ensure the IME get the input correctly
add pause delete show number
write to file every 20 words or so, or to say every cycle.
add some logic when sending string to be compatible with new input file.
if input PinYin is single letter,send 20 CTRL event else 3 CTRL event.
the last less than 20 cases' result hadn't been wrote to file!
increase 3 to 5
when press delete rewrite info head.
change target:0 to target:-1
change pinyin minimal threshold to < 3