kylefang/react-native
1
0
Fork 0
mirror of https://github.com/zhigang1992/react-native.git synced 2026-04-10 22:47:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

Simplify Catalyst handleMemoryPressure

Browse Source 
Reviewed By: cwdick

Differential Revision: D5200555

fbshipit-source-id: 86f12acca33ece265d3482ba52de9afcc83173cd
This commit is contained in:
Pieter De Baets
2017-06-26 05:48:40 -07:00
committed by Facebook Github Bot
parent e2dff82160
commit 83faa4b608
12 changed files with 56 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
ReactAndroid/src/main/java/com/facebook/react/MemoryPressureRouter.java
View File

@@ -25,32 +25,18 @@ import static android.content.ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN;
/**
* Translates and routes memory pressure events to the current catalyst instance.
*/
public class MemoryPressureRouter {
public class MemoryPressureRouter implements ComponentCallbacks2 {
// Trigger this by sending an intent to your activity with adb shell:
// am broadcast -a com.facebook.catalyst.ACTION_TRIM_MEMORY_MODERATE
// am broadcast -a com.facebook.react.ACTION_TRIM_MEMORY_MODERATE
private static final String ACTION_TRIM_MEMORY_UI_HIDDEN =
"com.facebook.rnfeed.ACTION_TRIM_MEMORY_UI_HIDDEN";
"com.facebook.react.ACTION_TRIM_MEMORY_UI_HIDDEN";
private static final String ACTION_TRIM_MEMORY_MODERATE =
"com.facebook.rnfeed.ACTION_TRIM_MEMORY_MODERATE";
"com.facebook.react.ACTION_TRIM_MEMORY_MODERATE";
private static final String ACTION_TRIM_MEMORY_CRITICAL =
"com.facebook.rnfeed.ACTION_TRIM_MEMORY_CRITICAL";
"com.facebook.react.ACTION_TRIM_MEMORY_CRITICAL";
private final Set<MemoryPressureListener> mListeners =
Collections.synchronizedSet(new LinkedHashSet<MemoryPressureListener>());
private final ComponentCallbacks2 mCallbacks = new ComponentCallbacks2() {
@Override
public void onTrimMemory(int level) {
trimMemory(level);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
}
@Override
public void onLowMemory() {
}
};
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static boolean handleDebugIntent(Application application, String action) {
@@ -71,7 +57,11 @@ public class MemoryPressureRouter {
}
MemoryPressureRouter(Context context) {
context.getApplicationContext().registerComponentCallbacks(mCallbacks);
context.getApplicationContext().registerComponentCallbacks(this);
}
public void destroy(Context context) {
context.getApplicationContext().unregisterComponentCallbacks(this);
}
/**
@@ -88,11 +78,8 @@ public class MemoryPressureRouter {
mListeners.remove(listener);
}
public void destroy(Context context) {
context.getApplicationContext().unregisterComponentCallbacks(mCallbacks);
}
private void trimMemory(int level) {
@Override
public void onTrimMemory(int level) {
if (level >= TRIM_MEMORY_COMPLETE) {
dispatchMemoryPressure(MemoryPressure.CRITICAL);
} else if (level >= TRIM_MEMORY_BACKGROUND || level == TRIM_MEMORY_RUNNING_CRITICAL) {
@@ -102,6 +89,14 @@ public class MemoryPressureRouter {
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
}
@Override
public void onLowMemory() {
}
private void dispatchMemoryPressure(MemoryPressure level) {
// copy listeners array to avoid ConcurrentModificationException if any of the listeners remove
// themselves in handleMemoryPressure()

16
ReactAndroid/src/main/java/com/facebook/react/bridge/CatalystInstanceImpl.java
View File

@@ -393,26 +393,14 @@ public class CatalystInstanceImpl implements CatalystInstance {
return mNativeModuleRegistry.getAllModules();
}
private native void handleMemoryPressureUiHidden();
private native void handleMemoryPressureModerate();
private native void handleMemoryPressureCritical();
private native void jniHandleMemoryPressure(int level);
@Override
public void handleMemoryPressure(MemoryPressure level) {
if (mDestroyed) {
return;
}
switch (level) {
case UI_HIDDEN:
handleMemoryPressureUiHidden();
break;
case MODERATE:
handleMemoryPressureModerate();
break;
case CRITICAL:
handleMemoryPressureCritical();
break;
}
jniHandleMemoryPressure(level.ordinal());
}
/**