Flutter : unable to locate development device




Face this issue trying to run Flutter using Android studio. This simple means you need to configure your platform tools.  Go to File->Project Structure->Configure your Platform Sdk as shown below :- Try to set to Android 27 (or as recent version of Android SDK as you could).

Then fire away. Once you have it configure, your application bar - Flutter Hot Reload -> Should be enabled.







That's a big 

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The specified initialization vector (IV) does not match the block size for this algorithm

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If you're getting  exception when trying to assigned key to a symmetric key and getting error message below :- The specified initialization vector (IV) does not match the block size for this algorithm And your code probably look like something below :- Then you need to go into debug mode and start looking into the supported size for IV as shown in diagram below :- As you can see, IV is 16 bytes, so you need to provide 16 bytes. The same goes for Key field too, if you're adding anything to it. As long as you provide a valid key size, then we're good and you're code will be ready.
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