Summary:
This fixes https://github.com/facebook/react-native/issues/28481. As explained in [this comment](https://github.com/facebook/react-native/issues/28481#issuecomment-645546195), the flipper network plugin pulls a more recent version of okhttp (3.14), but only versions of okhttp up to 3.12 works on Android API 21 and less.
This prevented being able to run the app in debug mode, it was still working fine in release mode.
## Changelog
<!-- Help reviewers and the release process by writing your own changelog entry. For an example, see:
https://github.com/facebook/react-native/wiki/Changelog
-->
[Android] [Fixed] - Fix unable to run in debug mode on Android API < 21
Pull Request resolved: https://github.com/facebook/react-native/pull/29260
Test Plan:
Using `yarn react-native run-android` the app would instantly crash with this error in `adb logcat`:
```
E/AndroidRuntime( 5079): java.lang.RuntimeException: Unable to create application com.awesometsproject.MainApplication: java.lang.RuntimeException: Requested enabled DevSupportManager, but DevSupportManagerImpl class was not found or could not be created
E/AndroidRuntime( 5079): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4154)
E/AndroidRuntime( 5079): at android.app.ActivityThread.access$1300(ActivityThread.java:130)
E/AndroidRuntime( 5079): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1255)
E/AndroidRuntime( 5079): at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime( 5079): at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime( 5079): at android.app.ActivityThread.main(ActivityThread.java:4745)
E/AndroidRuntime( 5079): at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 5079): at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime( 5079): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
E/AndroidRuntime( 5079): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
E/AndroidRuntime( 5079): at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime( 5079): Caused by: java.lang.RuntimeException: Requested enabled DevSupportManager, but DevSupportManagerImpl class was not found or could not be created
E/AndroidRuntime( 5079): at com.facebook.react.devsupport.DevSupportManagerFactory.create(DevSupportManagerFactory.java:90)
E/AndroidRuntime( 5079): at com.facebook.react.ReactInstanceManager.<init>(ReactInstanceManager.java:238)
E/AndroidRuntime( 5079): at com.facebook.react.ReactInstanceManagerBuilder.build(ReactInstanceManagerBuilder.java:281)
E/AndroidRuntime( 5079): at com.facebook.react.ReactNativeHost.createReactInstanceManager(ReactNativeHost.java:87)
E/AndroidRuntime( 5079): at com.facebook.react.ReactNativeHost.getReactInstanceManager(ReactNativeHost.java:39)
E/AndroidRuntime( 5079): at com.awesometsproject.MainApplication.onCreate(MainApplication.java:47)
E/AndroidRuntime( 5079): at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:999)
E/AndroidRuntime( 5079): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4151)
E/AndroidRuntime( 5079): ... 10 more
E/AndroidRuntime( 5079): Caused by: java.lang.reflect.InvocationTargetException
E/AndroidRuntime( 5079): at java.lang.reflect.Constructor.constructNative(Native Method)
E/AndroidRuntime( 5079): at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
E/AndroidRuntime( 5079): at com.facebook.react.devsupport.DevSupportManagerFactory.create(DevSupportManagerFactory.java:80)
E/AndroidRuntime( 5079): ... 17 more
E/AndroidRuntime( 5079): Caused by: java.lang.NoClassDefFoundError: java.util.Objects
E/AndroidRuntime( 5079): at okhttp3.CertificatePinner.withCertificateChainCleaner(CertificatePinner.java:231)
E/AndroidRuntime( 5079): at okhttp3.OkHttpClient.<init>(OkHttpClient.java:238)
E/AndroidRuntime( 5079): at okhttp3.OkHttpClient$Builder.build(OkHttpClient.java:1015)
E/AndroidRuntime( 5079): at com.facebook.react.devsupport.DevServerHelper.<init>(DevServerHelper.java:132)
E/AndroidRuntime( 5079): at com.facebook.react.devsupport.DevSupportManagerImpl.<init>(DevSupportManagerImpl.java:183)
E/AndroidRuntime( 5079): ... 20 more
W/ActivityManager( 1456): Force finishing activity com.awesometsproject/.MainActivity
```
With this fix, the app launch successfully in debug mode, without having to remove flipper altogether from our config.
Reviewed By: passy
Differential Revision: D22521109
Pulled By: mdvacca
fbshipit-source-id: 3c0263642438bd7c0d09b045e15a933bd8a26734
Summary:
As described in DevSettingsActivity, it should be added to the apps
debug/ instead of main/ manifest.
## Changelog
Android Changed - Move DevSettingsActivity from `main` to `debug` manifest
Pull Request resolved: https://github.com/facebook/react-native/pull/28770
Test Plan: Tested locally by building example app
Differential Revision: D21281922
Pulled By: shergin
fbshipit-source-id: ec4dc7c0ac54367aa38cca5b4146ef71cf18b73b
Summary:
This PR adds support for the dark mode and dynamic theme changing to the default App template and to the related `NewAppScreen` components. Using `useColorScheme` hook forced me to refactor a bit main `App.js` file, but I think those changes are step in the right direction according to way in which React Native is used in larger apps, so new `Section` component has been extracted to reduce code redundancy/repetition inside `App`.
Additional color `darker` has been added to the `Colors` statics from `NewAppScreen` because `dark` was too bright for the Dark Mode backgrounds.
Also main `StoryBoard` on iOS has been updated to use theme based colors instead of static or hardcoded ones. There was also an unused, empty `Label` which I have removed.
~~I'm not so much experienced with Android. If someone could also update Android splash screen (if Android requires such change) it will be nice. I want to look at this later using simulator.~~
> I have updated the Android splash screen and tested this change on the Android emulator.
If you have any comment or corrections feel free to post them out, I would like to put more work into this PR if it's needed. Dark Mode this days is a part of near every OS, so it could be considered as a standard feature. I hope those changes helps people which struggle with the basic theming implementation (+ there is now an example of hook and `children` prop usage in the template).
## Changelog
[Internal] [Added] - Add dark mode support to the default app template
Pull Request resolved: https://github.com/facebook/react-native/pull/28711
Test Plan:
I have tested the App from the template on the iOS device and in Android emulator with RN `0.63.0-rc`.
Screen recording on iOS (demonstarates both modes, both splash screens and transition):

Screenshot of iOS app in Dark Mode:

Screenshot of iOS app splash screen in Dark Mode:

Screenshot of Android app in the emulator:

Differential Revision: D21236148
Pulled By: shergin
fbshipit-source-id: 0c8a9534d3a3f8f8099af939243a889ac4df6cda
Summary:
We recently updated React Native's docs site to have its own domain reactnative.dev and needed to update the URLs in the source code
CHANGELOG:
[INTERNAL]
Reviewed By: hramos
Differential Revision: D20072842
fbshipit-source-id: 1970d9214c872a6e7abf697d99f8f5360b3b308e
Summary:
Same as rickhanlonii’s 2c89e51507, but for the application template.
## Changelog
Changelog: [Android] [Fixed] Template instacrash from missing androidx dependency
Pull Request resolved: https://github.com/facebook/react-native/pull/28071
Test Plan: Apps build with the template from v0.62.0-rc.2 don’t instacrash.
Differential Revision: D19908895
Pulled By: mdvacca
fbshipit-source-id: 63337f4c0c0ffeb3b024682744610c7915e2b742
Summary:
This is no longer necessary with the new Flipper release.
Pull Request resolved: https://github.com/facebook/react-native/pull/27964
Test Plan:
This was a built-time problem so the CI jobs would catch this.
## Changelog
[Android] [Removed] - pickFirst options for RNTester and template
Differential Revision: D19815829
Pulled By: passy
fbshipit-source-id: d8f66e64e7e922b8ea18ad6eeec3a1c8e6bc77fa
Summary:
Issue: https://github.com/facebook/react-native/issues/27565
initalizeFlipper should be set in template app by default.
## Changelog
[iOS] [Changed] - Added Flipper to template app
[Android] [Changed] - Added Flipper to template app
Pull Request resolved: https://github.com/facebook/react-native/pull/27569
Test Plan:
Connect Flipper to the iOS application
Connect Flipper to the Android application
Reviewed By: passy
Differential Revision: D19344704
Pulled By: rickhanlonii
fbshipit-source-id: ca126fd2caab13751ddc2ce6d195bd0c644c704e
Summary:
Depends on https://github.com/facebook/react-native/issues/27833.
Updates the Flipper version to the most recent release.
## Changelog
[Android] [Changed] - Upgrade Flipper version in default template
Pull Request resolved: https://github.com/facebook/react-native/pull/27837
Test Plan:
This is a bit annoying, but I can't test this against the 0.62-rc.0 version. I tried patching it by running `react-native init --version 0.62.0-rc.0 testproj`, which would fail because of a missing androidx dep. After adding `implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.0.0'` to the deps, that was fixed but now after updating, `libfbjni.so` is missing because my PR https://github.com/facebook/react-native/issues/27729 isn't part of the RN dependency yet.
Given that this mirrors the RNTester app, I'm pretty confident that the change here is otherwise correct and will work on top of master with the most recent template changes.
Differential Revision: D19619365
Pulled By: passy
fbshipit-source-id: 5723bd105ab3ab86b7f00e1a26e29e1e9dc58290
Summary:
There was a reflective call to a non-existent class. It did, however,
exist in the template, so I copied it over from there and updated
the references accordingly.
Pull Request resolved: https://github.com/facebook/react-native/pull/27482
Test Plan:
Built it and ran it. Works again with the latest Flipper desktop app.

Reviewed By: rickhanlonii
Differential Revision: D18933530
Pulled By: passy
fbshipit-source-id: 4515d7baaad9a9fff9a4b66e1cbf8a75889e6e45
Summary:
This PR fixes build failure caused by duplicate libc++_shared.so, because dependencies (like Flipper) might include one in addition to RN.
## Changelog
[Android] [Changed] - fix build failure due to duplicate libc++_shared.so
Pull Request resolved: https://github.com/facebook/react-native/pull/27417
Test Plan: Create a project from master, then build and run. Build will fail without the patch, and succeed with the patch.
Differential Revision: D18827583
Pulled By: mdvacca
fbshipit-source-id: 1272cedd299278403f87215c36aaf58217eae3c5
Summary:
Most RN apps have single activity, and developers expect to resume application from background when app icon pressed. But Android default configuration creates a new activity instance, which confuses developers, see https://github.com/facebook/react-native/issues/27370 and https://github.com/facebook/react-native/issues/27368.
This PR changes template manifest so that when app icon pressed, background app will resume instead of creating a new activity, therefore match developers expectations. Also it's required to make Linking work.
## Changelog
[Android] [Changed] - MainActivity launchMode is singleTask
Pull Request resolved: https://github.com/facebook/react-native/pull/27373
Test Plan: RNTester will resume background app, instead of creating a new instance when app icon pressed
Differential Revision: D18766373
Pulled By: mdvacca
fbshipit-source-id: 697e9c5bf92ec958de265b060dffb50f7b74d157
Summary:
- Using "System.getenv" allows to specify any entry file using environment variables and without modifying gradle file. Example:
export ENTRY_FILE="another_entry_file.js"
./gradlew assembleDebug
- This functionality is also more align with iOS implementation that uses 'if [[ "$ENTRY_FILE" ]]; then'. See https://github.com/facebook/react-native/pull/23667 for more details.
- Possibility to define entry file on CI without modifying sources (Example: project like [pixels-catcher](https://www.npmjs.com/package/pixels-catcher) requires different entry file)
## Changelog:
[Android] [Added] - Custom entry file on android using `ENTRY_FILE` environment variable
Pull Request resolved: https://github.com/facebook/react-native/pull/26769
Test Plan:
- Create a project from template
- Define `ENTRY_FILE` environment variable
```
export ENTRY_FILE="anotherIndexFile.js"
```
- Build android
```
./gradlew assembleDebug
```
Expected result: App contains bundle file that starts from `anotherIndexFile.js` file.
Differential Revision: D17903165
Pulled By: cpojer
fbshipit-source-id: 6b7cdf229918d101c170aa5fbdca6f3ef293d41c
Summary:
On Android 10 whole activity is recreated when the user changes system theme. We should prevent it by adding `uiMode` in `android:configChanges` key in the default template.
## Changelog
[Android] [Fixed] - Android 10: Prevent activity recreation on theme change
Pull Request resolved: https://github.com/facebook/react-native/pull/26413
Test Plan: NOOP
Differential Revision: D17342811
Pulled By: cpojer
fbshipit-source-id: 2bed9b5f91e1b67451fefe34b02a1129d6c80d15
Summary:
The `dependencies` section in the `build.gradle` Android template contains this line:
implementation "com.facebook.react:react-native:+" // From node_modules
It causes the following Gradle Lint warning:
> Avoid using '+' in version numbers, can lead to unpredictable or unrepeatable builds
In this case, as the `// From node_modules` comment suggests, the version is _not_ determined by Gradle but by the version specified in `package.json` - Using "+" is completely fine and intentional.
Therefore it can safely be ignored, which is what the added `//noinspection` comment does.
## Changelog
[Android] [Fixed] - Skip lint check for dynamic react-native version
Pull Request resolved: https://github.com/facebook/react-native/pull/26222
Test Plan: Projects generated with the new template no longer cause the warning anymore.
Differential Revision: D17091476
Pulled By: osdnk
fbshipit-source-id: 910b4ecf22ccd11cade9427af68087ffcce8bc8e
Summary: Looks like some of the imports went missing when merging. Found this when testing this again.
Reviewed By: mdvacca
Differential Revision: D17200737
fbshipit-source-id: ded39493786d4999317c5e29be270e5990601b06
Summary:
Removing default integration of Flipper from OSS till discussions happen.
To enable Flipper, just download the Flipper desktop app and uncomment the line in MainApplication.java. Flipper should automatically connect to your app.
Reviewed By: rickhanlonii
Differential Revision: D6654890
fbshipit-source-id: 692cf04fec3273703c0571d04f0100c0dbb8269b
Summary:
Yesterday we shipped hermesengine.dev as part of the current 0.60 release. This PR brings those changes to master.
## Changelog
[General] [Added] - Added support for Hermes
Pull Request resolved: https://github.com/facebook/react-native/pull/25613
Test Plan:
* CI is green both on GitHub and at FB
* Creating a new app from source can use Hermes on Android
Reviewed By: cpojer
Differential Revision: D16221777
Pulled By: willholen
fbshipit-source-id: aa6be10537863039cb666292465ba2e1d44b64ef
Summary:
This diff formats the Java class files inside xplat/js/react-native-github. Since google-java-format was enabled in D16071401 we want to codemode the existing code so that users don't have to deal with formatter lint noise at diff-time.
```arc f --paths-cmd 'hg files -I "**/*.java"'```
drop-conflicts
Reviewed By: cpojer
Differential Revision: D16071725
fbshipit-source-id: fc6e3852e45742c109f0c5ac4065d64201c74204
Summary:
packagingOptions.pickFirst is unreliable that we could not specify which library will be used.
If user have other third party libraries, the story is more complicated.
From the framework point of view, it is better to drop the pickFirst.
In jsc-android 241213.1.0, we did two things:
1. Remove libc++_shared.so in AAR to prevent the conflict with RN.
2. Build by NDK r17c, which aligned with current RN NDK version.
In this commit, I also revert the pickFirst for JSC.
pickFirst JSC also makes upgrade JSC unreliable.
Currently a lot of user report JSC crash issues, those crash issues may relate to JIT and hard to reproduce in-house.
My plan is to make sure user could choose another JSC build easier,
i.e. only to `yarn add 'jsc-android@latest'`.
We could then propose some experimented JSC build for user to check
if the build could help them to fix the crash issue.
[Android] [Fixed] - Remove unreliable packagingOptions.pickFirst for libc++_shared.so and libjsc.so
NOTE that this may not need to add the changelog, as RN 0.59 does not have pickFirst.
This will also reduce a breaking change for upgrade from RN 0.59 or before.
Pull Request resolved: https://github.com/facebook/react-native/pull/24672
Differential Revision: D15164536
Pulled By: cpojer
fbshipit-source-id: 9fc897a77409173a5841f325b38e2836bb07f599
Summary:
By default, the text color is `#000000` on iOS and different on Android, e.g. `#808080`, depending on the manufactorer.
This PR changes it so that newly created projects all have the text color `#000000` by default on both iOS and Android.
The argument for this is to make the app by default be more consistent between platforms.
Expo also does this: https://github.com/expo/expo/blob/master/android/expoview/src/main/res/values/styles.xml#L31
---
For context and for your consideration, I have started a discussion here with the topic of whether React Native should try to use OS defaults or be consistent between platforms:
https://github.com/react-native-community/discussions-and-proposals/issues/121
[Android] [Changed] - New projects have a `#000000` by default.
Pull Request resolved: https://github.com/facebook/react-native/pull/24540
Differential Revision: D15044898
Pulled By: cpojer
fbshipit-source-id: 3197266504e1061ac7027bec3100e39e39a4406a
Summary:
In origin approach, we packed libjsc.so inside react-native.aar and it is difficult for user to choose different JSC variants. E.g., [the Intl supported version](https://github.com/react-native-community/jsc-android-buildscripts#international-variant).
This change list allows application to determine JSC versions or variants by npm/yarn package.
There is a |useIntlJsc| flag in build.gradle, it will use the same JSC version but with Intl support.
`yarn add jsc-android@canary`
[Android] [Changed] - Allow application to select different JSC variants
**MIGRATION**
Note that there are some changes in build.gradle.
Existing application needs to change their android/build.gradle and android/app/build.gradle.
Hopefully, the rn-diff-purge should handle the case well.
Pull Request resolved: https://github.com/facebook/react-native/pull/24276
Differential Revision: D14752359
Pulled By: cpojer
fbshipit-source-id: a4bfb135ad8e328f404a2d1a062412f40ebf4622
Summary:
Harmonizes the spacing after colons to have a more consistent coding style.
Pull Request resolved: https://github.com/facebook/react-native/pull/24186
Differential Revision: D14668167
Pulled By: cpojer
fbshipit-source-id: 8f1ba71eec186b3a2221d1f4fac851e51afc52cc
Summary:
This diff removes the `WebView` export from React Native. Internally, we are requiring `WebView` directly now and externally people will have to use the community maintained module. This diff does not yet move the WebView files from the repo, this will happen in a follow-up.
Note that I had to remove a test for Cookies that displayed data in a WebView. I don't think there is an easy way to retain this (debugging) information that likely very few people ever take a look at so I think it is fine.
Reviewed By: TheSavior
Differential Revision: D14613077
fbshipit-source-id: b1d412f970d09d7d70ecac2c23e62cfdd09d7c8e
Summary:
It allows HTTP connections in debug builds, and requires no configuration compared to previous/current solution where you need to edit config file to test on device.
Consulted with Salakar about this.
[Android] [Changed] - Allow HTTP in debug builds
Pull Request resolved: https://github.com/facebook/react-native/pull/24066
Differential Revision: D14540255
Pulled By: cpojer
fbshipit-source-id: f1239154c27c36c21c9b080a826f8b1d0eb0fc7d
Summary:
Use AndroidX in ReactAndroid/build.gradle, and remove androidx dependency from template and RNTester app because it's already exposed/exported from ReactAndroid.
[Android] [Changed] - Land AndroidX in gradle
Pull Request resolved: https://github.com/facebook/react-native/pull/24014
Differential Revision: D14508774
Pulled By: mdvacca
fbshipit-source-id: c96b97876571a5a7f2b400dd29188cfdf1f84a4c
Summary:
SYSTEM_ALERT_WINDOW permission is used only for debug builds to show draw overlay views or show warnings/errors. This permissions is unused in release builds, and there is an issue regarding removing unused permissions on Android build https://github.com/facebook/react-native/issues/5886#issuecomment-464495388. This PR removes SYSTEM_ALERT_WINDOW from all builds bug debug.
[Android] [Changed] - SYSTEM_ALERT_WINDOW permissions available only in debug builds
Pull Request resolved: https://github.com/facebook/react-native/pull/23504
Differential Revision: D14123045
Pulled By: cpojer
fbshipit-source-id: 68829a774ff23c7cb2721076a9d3870405f48fea
Summary:
Move react_native_config.xml so that it's available to all Android versions, and fixes https://github.com/facebook/react-native/issues/23445. It's my bad, I should've tested previous change on multiple versions of Android.
[Android] [Changed] - Fix network security
Pull Request resolved: https://github.com/facebook/react-native/pull/23470
Differential Revision: D14099612
Pulled By: cpojer
fbshipit-source-id: 15b5e5f575de8033bbfd524d9ad2aa0e22daa813
Summary:
This PR is trying to improve Android Network Security configuration introduced in https://github.com/facebook/react-native/commit/84572c4051f11f68ddf0928d2c3df5850ae15491. I found that Android merges all manifest files into a single manifest file when building an app, so this PR provides AndroidManifest.xml with network security config in debug folder, that will be used only for debug builds. Also the network security configuration will be applied to only app that target API 28. Moved security config file to xml-v28, so that it'll only visible to API 28 and above.
See https://developer.android.com/studio/build/manifest-merge
[Android] [Changed] - Android Network Security configuration.
Pull Request resolved: https://github.com/facebook/react-native/pull/23429
Differential Revision: D14065124
Pulled By: cpojer
fbshipit-source-id: 0f5ac5addbe968ed7e5cb57f356e2572de2690a8
Summary:
Running *lint* on RN found that there are some Java 8 features used without specifying Java 8 compatibility in projects. This PR adds Java 8 compatibility and fixes errors caused by Java 8 feature use. I suspend that it may be cause of many failures on older Androids, but also found that many modules/packages switched to and require Java 8.
```java
../../src/main/java/com/facebook/react/devsupport/BundleDownloader.java:167: Try-with-resources requires API level 19 (current min is 16)
../../src/main/java/com/facebook/react/devsupport/DevServerHelper.java:658: Try-with-resources requires API level 19 (current min is 16)
```
For more information https://developer.android.com/studio/write/java8-support
[Android] [Changed] - Enable Java 8
Pull Request resolved: https://github.com/facebook/react-native/pull/23295
Differential Revision: D13959096
Pulled By: cpojer
fbshipit-source-id: 0bfd0565b61a132906cf35ee55b4afcf5450f7cb
Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/22231
- Use clang instead of the deprecated gcc
- Use libc++ instead of the deprecated gnustl
- Updated gradle and android plugin version
- Fixed missing arch in local-cli template
- `clean` task should now always succeed
- `clean` task deletes build artifacts
- No need to specify buildToolsVersion. It's derived.
- Elvis operator for more readable code
Pull Request resolved: https://github.com/facebook/react-native/pull/22263
Reviewed By: hramos
Differential Revision: D13004499
Pulled By: DanielZlotin
fbshipit-source-id: da54bb744cedb4c6f3bda590f8c25d0ad64086ef
Summary: This diff moves the React Native template from `local-cli/templates/HelloWorld` to `template`. Keeping it in the react-native repo will allow us to make changes to the template and version it together with react-native, instead of moving it out into a separate repo and trying to keep the template in sync with RN.
Reviewed By: TheSavior
Differential Revision: D13372949
fbshipit-source-id: e68e267b4dcf6384535d7b48fc11e297a12e9676