3. lock widget
in order to
1. use any key to turn the phone on
2. use widget to turn off the phone
3. Use flyscreen to prevent the accident tap
However this combination is huge and invenient. So I deciced to develop a very small app (40k in size) it can
1. Use any key to turn on the phone
2. A widget turn phone off
3. A very simple lock screen to prevent accident tap.
Search AnyUnlock in Android Market and enjoy it. If there are any porblems, please report.