Use and configuration of Android Lint

reference:

Introduction to lint

lint is one provided by AndroidStatic codeCheck tool, which reports every problem it detects and provides a descriptive message and severity level for the problem so that you can quickly determine which key improvements need to be prioritized.

The effect presented here is the display of lint detection.

Way of working:

Ignore lint

Ignore in code

Speaking of the limited use of api here, let's first look at the annotations SuppressLint and TargetApi:

TargetApi：

Through this annotation, we can specify the api version.

Eg：

Declared @TargetApi (11), although our android: minSdkVersion is 8, we can use the 11 version of the API and Lint will not go wrong. But pay attention to the api support version of the machine!

SuppressLint：

The above effect can also use @SuppressLint ('NewApi'), as the name implies, we can use the new API and ignore the static detection of Lint, but it is recommended to use the above method, the reason is to use @SuppressLint ('NewApi') (Ignored here is the detection of NewApi.) After that, then we use any level of API, Lint will not prompt an error, but we ca n’t judge the version in the method, because we do n’t know what level of API the method calls, @TargetApi (11) is different. We explicitly specify that the method can only call APIs lower than version 11, so we can judge the version.

In other words, this annotation can ignore some specific Lint detections.

Ignore in xml:

Configure lint:

Configuration analysis scope:

Toolbar-> Analyze-> Inspect Code…

Configure the error type style

Configure the error level

Configure on specific test items

Configure lint in gradle:

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