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Code Issues Projects Releases Wiki Activity

On Android, seperate logic to initialize JS from starting the app

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Reviewed By: achen1

Differential Revision: D6606265

fbshipit-source-id: d432661b5f8aa2b7600b1140e1617aab852f343e
This commit is contained in:
Ram N 2017-12-19 20:17:28 -08:00 committed by Facebook Github Bot
parent 19a9c5e41d
commit 4996b9aeb4
2 changed files with 57 additions and 29 deletions
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2
ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
View File

@ -1044,7 +1044,7 @@ public class ReactInstanceManager {
UIManagerModule uiManagerModule = catalystInstance.getNativeModule(UIManagerModule.class); UIManagerModule uiManagerModule = catalystInstance.getNativeModule(UIManagerModule.class);
final int rootTag = uiManagerModule.addRootView(rootView); final int rootTag = uiManagerModule.addRootView(rootView);
rootView.setRootViewTag(rootTag); rootView.setRootViewTag(rootTag);
rootView.runApplication(); rootView.invokeJSEntryPoint();
Systrace.beginAsyncSection( Systrace.beginAsyncSection(
TRACE_TAG_REACT_JAVA_BRIDGE, TRACE_TAG_REACT_JAVA_BRIDGE,
"pre_rootView.onAttachedToReactInstance", "pre_rootView.onAttachedToReactInstance",

32
ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
View File

@ -87,6 +87,7 @@ public class ReactRootView extends SizeMonitoringFrameLayout
private boolean mWasMeasured = false; private boolean mWasMeasured = false;
private int mWidthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); private int mWidthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
private int mHeightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); private int mHeightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
private @Nullable Runnable mJSEntryPoint;
public ReactRootView(Context context) { public ReactRootView(Context context) {
super(context); super(context);
@ -379,7 +380,7 @@ public class ReactRootView extends SizeMonitoringFrameLayout
UiThreadUtil.assertOnUiThread(); UiThreadUtil.assertOnUiThread();
mAppProperties = appProperties; mAppProperties = appProperties;
if (getRootViewTag() != 0) { if (getRootViewTag() != 0) {
runApplication(); invokeJSEntryPoint();
} }
} }
@ -387,7 +388,34 @@ public class ReactRootView extends SizeMonitoringFrameLayout
* Calls into JS to start the React application. Can be called multiple times with the * Calls into JS to start the React application. Can be called multiple times with the
* same rootTag, which will re-render the application from the root. * same rootTag, which will re-render the application from the root.
*/ */
/* package */ void runApplication() { /*package */ void invokeJSEntryPoint() {
if (mJSEntryPoint == null) {
defaultJSEntryPoint();
} else {
mJSEntryPoint.run();
}
}
/**
* Set a custom entry point for invoking JS. By default, this is AppRegistry.runApplication
* @param jsEntryPoint
*/
public void setJSEntryPoint(Runnable jsEntryPoint) {
mJSEntryPoint = jsEntryPoint;
}
public void invokeDefaultJSEntryPoint(@Nullable Bundle appProperties) {
UiThreadUtil.assertOnUiThread();
if (appProperties != null) {
mAppProperties = appProperties;
}
defaultJSEntryPoint();
}
/**
* Calls the default entry point into JS which is AppRegistry.runApplication()
*/
private void defaultJSEntryPoint() {
Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "ReactRootView.runApplication"); Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "ReactRootView.runApplication");
try { try {
if (mReactInstanceManager == null || !mIsAttachedToInstance) { if (mReactInstanceManager == null || !mIsAttachedToInstance) {