Merge pull request !84 from yuetan/master

!85 disable SMALLER_FONT_FOOTPRINT & MINIMAL_FONT_FOOTPRINT flag to bundle more .ttf file when compiling android.img
Merge pull request !85 from ℝandall_Wan/master

Merge pull request !86 from yu_qinfei/master

The display is abnormal after the ditiepaoku is maximized,
it is recommand that the maximized be removed.

Then when compiling android.img, the lost fonts will be added into image.

Merge pull request !74 from yu_qinfei/master

Merge pull request !77 from 韩雨航/master

Merge pull request !78 from zhdguy/master

fixed opencode codestyle check bugs.

avoid dereferencing a pointer that might be "nullptr"

add de-constructor function

avoid file handle leaks the resource it points to.

File path must be translated into canonical form before being passed to
fopen as a parameter.

after an app is minimized, the app icon does not respond when you click
the app icon on the Desktop

avoid dereferencing a pointer that might be "nullptr"

Merge pull request !76 from 韩雨航/master

com-android-calendar
com-android-deskclock
com-android-contacts
com-android-email
com-android-music

Merge pull request !75 from Night/master

Merge pull request !71 from 赵鹏元/master

Remember capslock and numlock state on android system.When an anbox window
is used, compare state between android and uos. If different, make capslock
or numlock key event and send to android to change it.

Merge pull request !73 from twwang/master

delete the ColorBuffers which not used within 2 seconds

Merge pull request !64 from zhdguy/master

Merge pull request !68 from rongwang/master

Merge pull request !69 from Night/master

release memory while creating window failed.

we should close SDL audio loop before destruct
our audio resource, otherwise, the audio request
loop will use our resource anytime, even those
resources already destructed, which will cause
crash.

The pointer of get() should check null or not.

Merge pull request !67 from yu_qinfei/master

solve the problem that the boundary is not easy to select.

Merge pull request !66 from yu_qinfei/master

solve the problem of the application window can be drawn as a line.
resloved the WeChat button overlapping problem.

Merge pull request !63 from Night/master

solve code style problem in window module.

Merge pull request !60 from twwang/master

init pointer variable when declare it