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Android studio “SDK tools directory is missing”

Following 2 possible solutions will resolve this problem :  Solution1 : To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:" Delete your  ~/.Android*  folders (losing all of your settings :/). Run Android Studio. It will show you a welcome wizard where it tries to download the SDK again (and fails due to my rubbish internet). Click the X on the wizard window. That will enable you to get to the normal welcome dialog. Go to Settings->Project Defaults->Project Structure and change the Android SDK location to the correct one. Solution 2 : To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:...

Different Screen resolutions and Hight/Widths of Tablets in Android.


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The available width and height of Tab in market are following:
Product Display Size Display Resolution Aspect Ratio Motorola XOOM 10.1" 1280 x 800 16:9
Samsung Galaxy Tab 7" 1024 x 600 16:9
Cruz T301 7" 800 x 600 4:3
Coby Kyros MID7005 7" 800 x 480 5:3
Dell Streak 5" 800 x 480 5:3
Archos 43 4.3" 854 x 480 16:9
So no standard width and height for images for tab in Android.
You can only think about that which size is suitable for those.
You can use 520*340 for 1280*800
500*320 for 1224*600
420*320 for 800*600

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Just like phones, tablets have all sorts of dimensions and sizes. Here is a quick list of different models with their respective sizes and dimensions:
  • Samsung Galaxy Tab 10.1 3G - 10.1 inches, 1280 x 800 pixels
  • Samsung P1000 Galaxy Tab - 7.0 inches, 600 x 1024 pixels
  • Dell Streak 7 - 7-inch 800×480
  • Motorola Xoom - 10.1-inch, 1280×800
  • Viewsonic G - 10.1-inchs 1024×600
These are the dimensions you'll find most often.

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