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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| <meta charset="utf-8"> | ||
| (#) Android App links should only use http(s) schemes | ||
|
|
||
| !!! ERROR: Android App links should only use http(s) schemes | ||
| This is an error. | ||
|
|
||
| Id | ||
| : `AppLinkSplitToWebAndCustom` | ||
| Summary | ||
| : Android App links should only use http(s) schemes | ||
| Severity | ||
| : Error | ||
| Category | ||
| : Correctness | ||
| Platform | ||
| : Android | ||
| Vendor | ||
| : Android Open Source Project | ||
| Feedback | ||
| : https://issuetracker.google.com/issues/new?component=192708 | ||
| Affects | ||
| : Manifest files | ||
| Editing | ||
| : This check runs on the fly in the IDE editor | ||
| See | ||
| : https://developer.android.com/training/app-links/verify-android-applinks#add-intent-filters | ||
| 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/AppLinksValidDetector.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/AppLinksValidDetectorTest.kt) | ||
| Copyright Year | ||
| : 2017 | ||
|
|
||
| In order for Android App Links to open in your app, Android must perform | ||
| domain verification. However, Android only sends domain verification | ||
| requests for `<intent-filter>`s that only contain http(s) schemes. | ||
|
|
||
| To ensure correct behavior, please split your http(s) schemes and other | ||
| schemes into two different `<intent-filter>`s. | ||
|
|
||
| !!! Tip | ||
| This lint check has an associated quickfix available in the IDE. | ||
|
|
||
| (##) Example | ||
|
|
||
| Here is an example of lint warnings produced by this check: | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~text | ||
| AndroidManifest.xml:7:Error: Split your http(s) and custom schemes into | ||
| separate intent filters [AppLinkSplitToWebAndCustom] | ||
| <intent-filter android:autoVerify="true" android:order="-1" android:priority="-1"> | ||
| ^ | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|
|
||
| Here are the relevant source files: | ||
|
|
||
| `AndroidManifest.xml`: | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~xml linenumbers | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android" | ||
| package="com.example.helloworld" > | ||
| <uses-sdk android:minSdkVersion="31" android:targetSdkVersion="34" /> | ||
|
|
||
| <application> | ||
| <activity android:name=".SplitWebAndCustomActivity" android:exported="true"> | ||
| <intent-filter android:autoVerify="true" android:order="-1" android:priority="-1"> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
| <uri-relative-filter-group> | ||
| <data android:path="/path" /> | ||
| <data android:query="queryparam=value" /> | ||
| </uri-relative-filter-group> | ||
| <data android:scheme="http" /> | ||
| <data android:scheme="custom" /> | ||
| <data android:host="library.com" /> | ||
| <data android:path="@string/path" /> | ||
| <data android:path="/<&''" /> | ||
| <data android:path='/single"quote' /> | ||
| <data android:path="" /> | ||
| <!-- Test having tags underneath the host elements as well --> | ||
| <action android:name="android.intent.action.SEND"/> | ||
| <uri-relative-filter-group> | ||
| <data android:path="/path" /> | ||
| <data android:query="queryparam=value" /> | ||
| </uri-relative-filter-group> | ||
| </intent-filter> | ||
| </activity> | ||
| </application> | ||
| </manifest> | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|
|
||
| `res/values/strings.xml`: | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~xml linenumbers | ||
| <resources> | ||
| <string name="path">/path</string> | ||
| </resources> | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|
|
||
| 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/AppLinksValidDetectorTest.kt) | ||
| for the unit tests for this check to see additional scenarios. | ||
|
|
||
| The above example was automatically extracted from the first unit test | ||
| found for this lint check, `AppLinksValidDetector.test_splitToWebAndCustomSchemes`. | ||
| To report a problem with this extracted sample, visit | ||
| https://issuetracker.google.com/issues/new?component=192708. | ||
|
|
||
| (##) Suppressing | ||
|
|
||
| You can suppress false positives using one of the following mechanisms: | ||
|
|
||
| * Adding the suppression attribute | ||
| `tools:ignore="AppLinkSplitToWebAndCustom"` on the problematic XML | ||
| element (or one of its enclosing elements). You may also need to add | ||
| the following namespace declaration on the root element in the XML | ||
| file if it's not already there: | ||
| `xmlns:tools="http://schemas.android.com/tools"`. | ||
|
|
||
| ```xml | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <manifest xmlns:tools="http://schemas.android.com/tools"> | ||
| ... | ||
| <activity tools:ignore="AppLinkSplitToWebAndCustom" .../> | ||
| ... | ||
| </manifest> | ||
| ``` | ||
|
|
||
| * 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="AppLinkSplitToWebAndCustom" 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 'AppLinkSplitToWebAndCustom' | ||
| } | ||
| ``` | ||
| In Android projects this should be nested inside an `android { }` | ||
| block. | ||
|
|
||
| * For manual invocations of `lint`, using the `--ignore` flag: | ||
| ``` | ||
| $ lint --ignore AppLinkSplitToWebAndCustom ...` | ||
| ``` | ||
|
|
||
| * Last, but not least, using baselines, as discussed | ||
| [here](https://googlesamples.github.io/android-custom-lint-rules/usage/baselines.md.html). | ||
|
|
||
| <!-- Markdeep: --><style class="fallback">body{visibility:hidden;white-space:pre;font-family:monospace}</style><script src="markdeep.min.js" charset="utf-8"></script><script src="https://morgan3d.github.io/markdeep/latest/markdeep.min.js" charset="utf-8"></script><script>window.alreadyProcessedMarkdeep||(document.body.style.visibility="visible")</script> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| <meta charset="utf-8"> | ||
| (#) App Link warning | ||
|
|
||
| !!! WARNING: App Link warning | ||
| This is a warning. | ||
|
|
||
| Id | ||
| : `AppLinkWarning` | ||
| Summary | ||
| : App Link warning | ||
| Severity | ||
| : Warning | ||
| Category | ||
| : Correctness | ||
| Platform | ||
| : Android | ||
| Vendor | ||
| : Android Open Source Project | ||
| Feedback | ||
| : https://issuetracker.google.com/issues/new?component=192708 | ||
| Affects | ||
| : Manifest files | ||
| Editing | ||
| : This check runs on the fly in the IDE editor | ||
| See | ||
| : https://developer.android.com/training/app-links | ||
| See | ||
| : https://g.co/AppIndexing/AndroidStudio | ||
| 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/AppLinksValidDetector.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/AppLinksValidDetectorTest.kt) | ||
| Copyright Year | ||
| : 2017 | ||
|
|
||
| From Android 12, intent filters that use the HTTP and HTTPS schemes will | ||
| no longer bring the user to your app when the user clicks | ||
| a link, unless the intent filter is an Android App Link. | ||
| Such intent filters must include certain elements, and at least | ||
| one Android App Link for each domain must have | ||
| `android:autoVerify="true"` to verify ownership of the | ||
| domain. We recommend adding `android:autoVerify="true"` to any intent | ||
| filter that is intended to be an App Link, in case the other | ||
| App Links are modified. | ||
|
|
||
| !!! Tip | ||
| This lint check has an associated quickfix available in the IDE. | ||
|
|
||
| (##) Example | ||
|
|
||
| Here is an example of lint warnings produced by this check: | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~text | ||
| AndroidManifest.xml:6:Warning: This intent filter has the format of an | ||
| Android App Link but is missing the autoVerify attribute; add | ||
| android:autoVerify="true" to ensure your domain will be validated and | ||
| enable App Link-related Lint warnings. If you do not want clicked URLs | ||
| to bring the user to your app, remove the | ||
| android.intent.category.BROWSABLE category, or set | ||
| android:autoVerify="false" to make it clear this is not intended to be | ||
| an Android App Link. [AppLinkWarning] | ||
| <intent-filter> <!-- We expect a warning here --> | ||
| ------------- | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|
|
||
| Here is the source file referenced above: | ||
|
|
||
| `AndroidManifest.xml`: | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~xml linenumbers | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android" | ||
| package="com.example.helloworld" > | ||
|
|
||
| <application> | ||
| <activity android:name=".FullscreenActivity"> | ||
| <intent-filter> <!-- We expect a warning here --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Missing VIEW --> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Missing DEFAULT --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Missing BROWSABLE --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Has custom scheme, missing http --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="other" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Has no scheme --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter> <!-- Missing host --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
| </intent-filter> | ||
|
|
||
| <intent-filter android:autoVerify="false"> <!-- We would usually expect a warning here, but it has autoVerify="false" --> | ||
| <action android:name="android.intent.action.VIEW" /> | ||
| <category android:name="android.intent.category.DEFAULT" /> | ||
| <category android:name="android.intent.category.BROWSABLE" /> | ||
|
|
||
| <data android:scheme="http" /> | ||
| <data android:scheme="https" /> | ||
|
|
||
| <data android:host="example.com" /> | ||
| <data android:pathPrefix="/gizmos" /> | ||
| </intent-filter> | ||
| </activity> | ||
| </application> | ||
| </manifest> | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
|
|
||
| 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/AppLinksValidDetectorTest.kt) | ||
| for the unit tests for this check to see additional scenarios. | ||
|
|
||
| The above example was automatically extracted from the first unit test | ||
| found for this lint check, `AppLinksValidDetector.testAddAutoVerifySuggestion`. | ||
| To report a problem with this extracted sample, visit | ||
| https://issuetracker.google.com/issues/new?component=192708. | ||
|
|
||
| (##) Suppressing | ||
|
|
||
| You can suppress false positives using one of the following mechanisms: | ||
|
|
||
| * Adding the suppression attribute `tools:ignore="AppLinkWarning"` on | ||
| the problematic XML element (or one of its enclosing elements). You | ||
| may also need to add the following namespace declaration on the root | ||
| element in the XML file if it's not already there: | ||
| `xmlns:tools="http://schemas.android.com/tools"`. | ||
|
|
||
| ```xml | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <manifest xmlns:tools="http://schemas.android.com/tools"> | ||
| ... | ||
| <activity tools:ignore="AppLinkWarning" .../> | ||
| ... | ||
| </manifest> | ||
| ``` | ||
|
|
||
| * 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="AppLinkWarning" 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 'AppLinkWarning' | ||
| } | ||
| ``` | ||
| In Android projects this should be nested inside an `android { }` | ||
| block. | ||
|
|
||
| * For manual invocations of `lint`, using the `--ignore` flag: | ||
| ``` | ||
| $ lint --ignore AppLinkWarning ...` | ||
| ``` | ||
|
|
||
| * Last, but not least, using baselines, as discussed | ||
| [here](https://googlesamples.github.io/android-custom-lint-rules/usage/baselines.md.html). | ||
|
|
||
| <!-- Markdeep: --><style class="fallback">body{visibility:hidden;white-space:pre;font-family:monospace}</style><script src="markdeep.min.js" charset="utf-8"></script><script src="https://morgan3d.github.io/markdeep/latest/markdeep.min.js" charset="utf-8"></script><script>window.alreadyProcessedMarkdeep||(document.body.style.visibility="visible")</script> |
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