gecko-dev/mobile/android/app/lint.xml

<?xml version="1.0" encoding="UTF-8"?>
<lint>
    <!-- Enable relevant checks disabled by default -->
    <issue id="NegativeMargin" severity="warning" />

    <!-- We have a custom menu and don't conform to the recommended styles. -->
    <issue id="IconColors" severity="ignore" />

    <!-- We use our own preprocessing to either add or remove
         `android:debuggable` when building with mach so it's
         not actually hard-coded. We can probably remove this
         warning when we switch to gradle. -->
    <issue id="HardcodedDebugMode" severity="ignore" />

    <!-- We want all lint warnings to be fatal errors.
         Right now, we set these to lint warnings so:

         DO NOT ADD TO THIS LIST.

         We did this so we can land lint in automation
         and not fail everything. -->
    <issue id="AppCompatResource" severity="warning" />
    <issue id="GoogleAppIndexingDeepLinkError" severity="warning" />
    <issue id="Instantiatable" severity="warning" />
    <issue id="LongLogTag" severity="warning" />
    <issue id="MissingPermission" severity="warning" />
    <issue id="MissingSuperCall" severity="warning" />
    <issue id="NewApi" severity="warning" />
    <issue id="OnClick" severity="warning" />
    <issue id="ReferenceType" severity="warning" />
    <issue id="ResourceAsColor" severity="warning" />
    <issue id="ResourceType" severity="warning" />
    <issue id="ValidFragment" severity="warning" />
    <issue id="WrongConstant" severity="warning" />

</lint>