I tried to run my Android Studion in Mac after I upgarded to OSX to Yosemite. I got this error message: To open 'this Java application' you need to install the legacy Java SE 6 runtime." Even I installed java sdk, that is not working. To overcome this issue, I installed java for OSX, please follow this link,http://support.apple.com/kb/dl1572. That will works!

When I started to learn Objective C, that is hard to understand the NSDecimalNumber. I am C# and Java Programmer, in these languages, we used the primitive, such as integer and long, I can just use - and + as operand. However, in IOS, the most of situations, we are using NSDecimalNumber. That is an object. So, you cannot use + and -. If you write this, it will cause error:

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My Galaxy S3 is aging now. That is running Android 4.1 which is quite old. I flashed my phone with a new ROM. I chose OmniRom. That is very lightweighted and simple.
1.I turned off the phone, and then Press Power+Home+ Volume Down to enter a download mode.
2. I used Odin3 to flash the CF-Auto Root image, making the phone to be rooted. You can find those instructions in xda forum.
3. I used ClockwiseMod to flash OmiRom rom.
That is easy.
I got a "new" phone with Android 4.4!

I found the UI is basic and clean. Also, that is very smooth! The most important is the batter life improved a lot!

I tried the icon attribute in MenuItem. It doesn't work.Actually, you need to modify the header element like this:

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Actually, for WPF TextBlock Component, there is no click event. The best replacement is Mouse Down Event,
Like this:

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