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Load jsc or hermes lib in static method #30749

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Load jsc or hermes lib in static method #30749

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540b6de
Load jsc or hermes lib in static method
iqqmuT Jan 16, 2021
afc8270
google-java-format: empty line added
iqqmuT Jan 16, 2021
acab328
Extra comment removed
iqqmuT Jan 18, 2021
a0bca30
SoLoader loads library only once
iqqmuT Sep 3, 2021
a394c7c
empty line added
iqqmuT Sep 14, 2021
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22 changes: 14 additions & 8 deletions ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,14 +16,20 @@ public class HermesExecutor extends JavaScriptExecutor {
private static String mode_;

static {
// libhermes must be loaded explicitly to invoke its JNI_OnLoad.
SoLoader.loadLibrary("hermes");
try {
SoLoader.loadLibrary("hermes-executor-debug");
mode_ = "Debug";
} catch (UnsatisfiedLinkError e) {
SoLoader.loadLibrary("hermes-executor-release");
mode_ = "Release";
loadLibrary();
}

public static void loadLibrary() throws UnsatisfiedLinkError {
if (mode_ == null) {
// libhermes must be loaded explicitly to invoke its JNI_OnLoad.
SoLoader.loadLibrary("hermes");
try {
SoLoader.loadLibrary("hermes-executor-debug");
mode_ = "Debug";
} catch (UnsatisfiedLinkError e) {
SoLoader.loadLibrary("hermes-executor-release");
mode_ = "Release";
}
}
}

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5 changes: 4 additions & 1 deletion ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManagerBuilder.java
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Expand Up @@ -14,6 +14,7 @@
import android.app.Application;
import android.content.Context;
import androidx.annotation.Nullable;
import com.facebook.hermes.reactexecutor.HermesExecutor;
import com.facebook.hermes.reactexecutor.HermesExecutorFactory;
import com.facebook.infer.annotation.Assertions;
import com.facebook.react.bridge.JSBundleLoader;
Expand All @@ -25,6 +26,7 @@
import com.facebook.react.devsupport.RedBoxHandler;
import com.facebook.react.devsupport.interfaces.DevBundleDownloadListener;
import com.facebook.react.devsupport.interfaces.DevSupportManager;
import com.facebook.react.jscexecutor.JSCExecutor;
import com.facebook.react.jscexecutor.JSCExecutorFactory;
import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
import com.facebook.react.packagerconnection.RequestHandler;
Expand Down Expand Up @@ -294,7 +296,7 @@ private JavaScriptExecutorFactory getDefaultJSExecutorFactory(
try {
// If JSC is included, use it as normal
initializeSoLoaderIfNecessary(applicationContext);
SoLoader.loadLibrary("jscexecutor");
JSCExecutor.loadLibrary();
return new JSCExecutorFactory(appName, deviceName);
} catch (UnsatisfiedLinkError jscE) {
// https://github.com/facebook/hermes/issues/78 shows that
Expand All @@ -312,6 +314,7 @@ private JavaScriptExecutorFactory getDefaultJSExecutorFactory(

// Otherwise use Hermes
try {
HermesExecutor.loadLibrary();
return new HermesExecutorFactory();
} catch (UnsatisfiedLinkError hermesE) {
// If we get here, either this is a JSC build, and of course
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13 changes: 11 additions & 2 deletions ReactAndroid/src/main/java/com/facebook/react/jscexecutor/JSCExecutor.java
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Expand Up @@ -14,9 +14,18 @@
import com.facebook.soloader.SoLoader;

@DoNotStrip
/* package */ class JSCExecutor extends JavaScriptExecutor {
/* package */ public class JSCExecutor extends JavaScriptExecutor {
private static boolean loaded = false;
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static {
SoLoader.loadLibrary("jscexecutor");
loadLibrary();
}

public static void loadLibrary() throws UnsatisfiedLinkError {
if (!loaded) {
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SoLoader.loadLibrary("jscexecutor");
}
loaded = true;
}

/* package */ JSCExecutor(ReadableNativeMap jscConfig) {
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