PawletOS/app_Settings
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Use a ConcurrentSet to keep track of preferences in logger.

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The preference set can be modified across different threads, apparently.

Change-Id: I4506066d86f7f7d5570c24511db20471d12b0b4a
Fixes: 32156066
Test: manual
This commit is contained in:
Fan Zhang
2016-10-13 15:07:43 -07:00
parent fdca235dc5
commit eb0c8711c6
1 changed files with 10 additions and 5 deletions
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15
src/com/android/settings/core/instrumentation/SharedPreferencesLogger.java
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@@ -21,13 +21,13 @@ import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.text.TextUtils;
import android.util.ArraySet;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.overlay.FeatureFactory;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentSkipListSet;
public class SharedPreferencesLogger implements SharedPreferences {
@@ -40,7 +40,7 @@ public class SharedPreferencesLogger implements SharedPreferences {
mContext = context;
mTag = tag;
mMetricsFeature = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
mPreferenceKeySet = new ArraySet<>();
mPreferenceKeySet = new ConcurrentSkipListSet<>();
}
@Override
@@ -99,8 +99,12 @@ public class SharedPreferencesLogger implements SharedPreferences {
}
private void logValue(String key, String value) {
logValue(key, value, false /* forceLog */);
}
private void logValue(String key, String value, boolean forceLog) {
final String prefKey = mTag + "/" + key;
if (!mPreferenceKeySet.contains(prefKey)) {
if (!forceLog && !mPreferenceKeySet.contains(prefKey)) {
// Pref key doesn't exist in set, this is initial display so we skip metrics but
// keeps track of this key.
mPreferenceKeySet.add(prefKey);
@@ -138,8 +142,9 @@ public class SharedPreferencesLogger implements SharedPreferences {
pm.getPackageInfo(value, PackageManager.MATCH_UNINSTALLED_PACKAGES);
logPackageName(key, value);
} catch (PackageManager.NameNotFoundException e) {
// Clearly not a package, lets log it.
logValue(key, value);
// Clearly not a package, and it's unlikely this preference is in prefSet, so
// lets force log it.
logValue(key, value, true /* forceLog */);
}
return null;
}