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This question arises from seeing code where I feel like something is wrong but I can't put my finger on it while developing Android.
What are some red flags in Android development that says your application just may not be organized/programmed in the best way? What are some ways to fix these instances of code smell?
Android development model will encourage some people to put most of the code in just a few classes. Your Activity1 and Activity2 code will be long and hard to read, full of anonymous classes. This type of development works in the beginning, when you are prototyping, but later on you may want to separate code into classes by Single Responsibility or and short methods.
Too many classes and objects can lead to lower performance, but I suggest you make your code work first, then make it readable, and only then look where/whether your performance needs to be improved.
where I feel like something is wrong but I can't put my finger on it-- It's written in Java? Kidding, KIDDING!classis. Given this dynamic, it is not surprising that you are seeing code out there that is less than stellar quality.