(#) Unsupported View in RemoteView !!! ERROR: Unsupported View in RemoteView This is an error. Id : `RemoteViewLayout` Summary : Unsupported View in RemoteView Severity : Error Category : Correctness Platform : Android Vendor : Android Open Source Project Feedback : https://issuetracker.google.com/issues/new?component=192708 Since : 4.2.0 (May 2021) Affects : Kotlin and Java files Editing : This check runs on the fly in the IDE editor See : https://developer.android.com/reference/android/widget/RemoteViews Implementation : [Source Code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-checks/src/main/java/com/android/tools/lint/checks/RemoteViewDetector.kt) Tests : [Source Code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/RemoteViewDetectorTest.kt) In a `RemoteView`, only some layouts and views are allowed. (##) Example Here is an example of lint warnings produced by this check: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~text src/test/pkg/test.kt:5:Error: @layout/test includes views not allowed in a RemoteView: CheckBox, DatePicker, RadioButton, RadioGroup, Switch, androidx.appcompat.widget.AppCompatTextView [RemoteViewLayout] val remoteView = RemoteViews(packageName, R.layout.test) --------------------------------------- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Here are the relevant source files: `src/test/pkg/test.kt`: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~kotlin linenumbers package test.pkg import android.widget.RemoteViews fun test(packageName: String) { val remoteView = RemoteViews(packageName, R.layout.test) } ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ `res/layout/test.xml`: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~xml linenumbers <merge> <Button /> <AdapterViewFlipper /> <FrameLayout /> <GridLayout /> <GridView /> <LinearLayout /> <ListView /> <RelativeLayout /> <StackView /> <ViewFlipper /> <AnalogClock /> <Button /> <Chronometer /> <ImageButton /> <ImageView /> <ProgressBar /> <TextClock /> <TextView /> <DatePicker /> <CheckBox /> <Switch /> <RadioButton /> <RadioGroup /> <androidx.appcompat.widget.AppCompatTextView /> </merge> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ `test.pkg`: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~text linenumbers @layout/test ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ You can also visit the [source code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/RemoteViewDetectorTest.kt) for the unit tests for this check to see additional scenarios. (##) Suppressing You can suppress false positives using one of the following mechanisms: * Using a suppression annotation like this on the enclosing element: ```kt // Kotlin @Suppress("RemoteViewLayout") fun method() { RemoteViews(...) } ``` or ```java // Java @SuppressWarnings("RemoteViewLayout") void method() { new RemoteViews(...); } ``` * Using a suppression comment like this on the line above: ```kt //noinspection RemoteViewLayout problematicStatement() ``` * Using a special `lint.xml` file in the source tree which turns off the check in that folder and any sub folder. A simple file might look like this: ```xml <?xml version="1.0" encoding="UTF-8"?> <lint> <issue id="RemoteViewLayout" severity="ignore" /> </lint> ``` Instead of `ignore` you can also change the severity here, for example from `error` to `warning`. You can find additional documentation on how to filter issues by path, regular expression and so on [here](https://googlesamples.github.io/android-custom-lint-rules/usage/lintxml.md.html). * In Gradle projects, using the DSL syntax to configure lint. For example, you can use something like ```gradle lintOptions { disable 'RemoteViewLayout' } ``` In Android projects this should be nested inside an `android { }` block. * For manual invocations of `lint`, using the `--ignore` flag: ``` $ lint --ignore RemoteViewLayout ...` ``` * Last, but not least, using baselines, as discussed [here](https://googlesamples.github.io/android-custom-lint-rules/usage/baselines.md.html).