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Speed up dev options

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- Put memory updates on background thread
 - Prevent update state from being called twice

Bug: 69000975
Test: Manual
Change-Id: I186bc25f6b74a5098b1737891efee3a6855dc996
This commit is contained in:
jeffreyhuang
2017-11-14 15:09:12 -08:00
parent e91f6ea3e7
commit bf234afbbb
4 changed files with 24 additions and 12 deletions
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22
src/com/android/settings/development/MemoryUsagePreferenceController.java
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@@ -27,6 +27,7 @@ import com.android.settings.applications.ProcStatsData;
import com.android.settings.applications.ProcessStatsBase;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
import com.android.settingslib.utils.ThreadUtils;
public class MemoryUsagePreferenceController extends DeveloperOptionsPreferenceController implements
PreferenceControllerMixin {
@@ -56,14 +57,19 @@ public class MemoryUsagePreferenceController extends DeveloperOptionsPreferenceC
@Override
public void updateState(Preference preference) {
mProcStatsData.refreshStats(true);
final ProcStatsData.MemInfo memInfo = mProcStatsData.getMemInfo();
final String usedResult = Formatter.formatShortFileSize(mContext,
(long) memInfo.realUsedRam);
final String totalResult = Formatter.formatShortFileSize(mContext,
(long) memInfo.realTotalRam);
mPreference.setSummary(mContext.getString(R.string.memory_summary,
usedResult, totalResult));
// This is posted on the background thread to speed up fragment launch time for dev options
// mProcStasData.refreshStats(true) takes ~20ms to run.
ThreadUtils.postOnBackgroundThread(() -> {
mProcStatsData.refreshStats(true);
final ProcStatsData.MemInfo memInfo = mProcStatsData.getMemInfo();
final String usedResult = Formatter.formatShortFileSize(mContext,
(long) memInfo.realUsedRam);
final String totalResult = Formatter.formatShortFileSize(mContext,
(long) memInfo.realTotalRam);
ThreadUtils.postOnMainThread(
() -> mPreference.setSummary(mContext.getString(R.string.memory_summary,
usedResult, totalResult)));
});
}
@VisibleForTesting