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Refactor UpdateContext to implement singleton pattern and ensure synchronous SharedPreferences writes. Update UpdateModule constructors to utilize the singleton instance.

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sunnylqm
2025-11-19 18:58:00 +08:00
parent e151c9c618
commit dc9b5d722a
4 changed files with 30 additions and 8 deletions
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32
android/src/main/java/cn/reactnative/modules/update/UpdateContext.java
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@@ -22,6 +22,10 @@ public class UpdateContext {
public static boolean DEBUG = false;
private static ReactInstanceManager mReactInstanceManager;
private static boolean isUsingBundleUrl = false;
// Singleton instance
private static UpdateContext sInstance;
private static final Object sLock = new Object();
public UpdateContext(Context context) {
this.context = context;
@@ -54,13 +58,17 @@ public class UpdateContext {
boolean buildTimeChanged = !buildTime.equals(storedBuildTime);
if (packageVersionChanged || buildTimeChanged) {
// Execute cleanUp before clearing SharedPreferences to avoid race condition
this.cleanUp();
SharedPreferences.Editor editor = sp.edit();
editor.clear();
editor.putString("packageVersion", packageVersion);
editor.putString("buildTime", buildTime);
editor.apply();
this.cleanUp();
// Use commit() instead of apply() to ensure synchronous write completion
// This prevents race condition where getBundleUrl() might read null values
// if called before apply() completes
editor.commit();
}
}
@@ -227,12 +235,26 @@ public class UpdateContext {
return mReactInstanceManager;
}
/**
* Get singleton instance of UpdateContext
*/
public static UpdateContext getInstance(Context context) {
if (sInstance == null) {
synchronized (sLock) {
if (sInstance == null) {
sInstance = new UpdateContext(context.getApplicationContext());
}
}
}
return sInstance;
}
public static String getBundleUrl(Context context) {
return new UpdateContext(context.getApplicationContext()).getBundleUrl();
return getInstance(context).getBundleUrl();
}
public static String getBundleUrl(Context context, String defaultAssetsUrl) {
return new UpdateContext(context.getApplicationContext()).getBundleUrl(defaultAssetsUrl);
return getInstance(context).getBundleUrl(defaultAssetsUrl);
}
public String getBundleUrl() {

2
android/src/newarch/cn/reactnative/modules/update/UpdateModule.java
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@@ -27,7 +27,7 @@ public class UpdateModule extends NativePushySpec {
}
public UpdateModule(ReactApplicationContext reactContext) {
this(reactContext, new UpdateContext(reactContext.getApplicationContext()));
this(reactContext, UpdateContext.getInstance(reactContext));
}
@Override

2
android/src/oldarch/cn/reactnative/modules/update/UpdateModule.java
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@@ -40,7 +40,7 @@ public class UpdateModule extends ReactContextBaseJavaModule {
}
public UpdateModule(ReactApplicationContext reactContext) {
this(reactContext, new UpdateContext(reactContext.getApplicationContext()));
this(reactContext, UpdateContext.getInstance(reactContext));
}
@Override