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You need to import functions and mixins too...

It seems like you are either directly or indirectly (through some other library) depending on Lifecycle 2.5.0-alpha01.

As per this issue:

You need to temporarily add following to your build.gradle:

Here are some leading questions that can help you reach the answer. Answers to the questions after a break:

1. Where does the jmp rel -1 instruction jump to?
2. What does the target instruction do? What happens after it?
3. How did this instruction end up in the program section of the memory?

1. jmp rel -1 is encoded in the memory at addresses 5-6. When it is executed, we have pc = 5, thus after the jump we will execute the instruction at pc = 4, which is 0x48307fff7fff8000.
2. This bytecode encodes the instruction [ap] = [ap - 1] + [ap - 1]; ap++ (to check, you can manually decode the flags and offsets, or simply write a cairo program with this instruction and see what it compiles to). After it is executed, pc is increased by 1, so we again execute jmp rel -1, and so on in an infinite loop. It should be clear why this fills the memory with powers of 2 (the first 2, at address 10, was written by the [fp + 1] = 2; ap++ instruction).
3. The instruction [fp] = 5201798304953761792; ap++ has an immediate argument (the right hand side, 5201798304953761792). Instructions with immediate arguments are encoded as two field elements in the memory, the first encoding the general instruction (e.g. [fp] = imm; ap++), and the second being the immediate value itself. This immediate value is thus written in address 4, and indeed 5201798304953761792 is the same as 0x48307fff7fff8000. Similarly, the 2 at address 2 is the immediate argument of the instruction [fp + 1] = 2, and the -1 at address 6 is the immediate of jmp rel -1.

To summarize, this strange behavior is due to the relative jump moving to an address of an immediate value and parsing it as a standalone instruction. Normally this wouldn't occur, since pc is incremented by 2 after executing an instruction with an immediate value, and by 1 when executing an instruction without one, so it always continues to the next compiled instruction. The unlabeled jump was necessary here to reach this unexpected program counter.

I think you need to install cmdLine

please run flutter doctor and share cmd results to help better

Found the problem.
I was installing pandas_profiling, and this package updated pyyaml to version 6.0 which is not compatible with the current way Google Colab imports packages.
So just reverting back to pyyaml version 5.4.1 solved the problem.

For more information check versions of pyyaml here.
See this issue and formal answers in GitHub

##################################################################
For reverting back to pyyaml version 5.4.1 in your code, add the next line at the end of your packages installations:

To deploy and test your smart contracts on RSK regtest yourhardhat.config.js should look as follows:

Previously, Android Flutter apps would either set io.flutter.embedding.android.SplashScreenDrawable in their application manifest, or implement provideSplashScreen within their Flutter Activity. This would be shown momentarily in between the time after the Android launch screen is shown and when Flutter has drawn the first frame. This is no longer needed and is deprecated – Flutter now automatically keeps the Android launch screen displayed until Flutter has drawn the first frame. Developers should instead remove the usage of these APIs. - source

As per the flutter 2.8.0 update, The newly created project doesn't have this warning.

They removed unused API from Androidmanifest.yml but still have belove mentioned code.

I think the documentation has a typo.

The correct exception cast should be this RuntimeExecutionException

I've opened a documentation issue about this

UPDATE: 11/01/2022 (dd/MM/yyyy)

Upgrading your play:core dependency to at least version 1.10.1 will bring you a new custom ReviewException which should replace the RuntimeExecutionException (or at least this is what we think).

Without an official answer the current safest solution is probably the one below:

UPDATE:

For your firebase_core version is seems to be sufficient to pass the FirebaseOptions once you initialize firebase in your flutter code (and you don't need any script tags in your index.html):