Query the security feature provider on separate threads.

Bug: 35065510
Test: make RunSettingsRoboTests
Change-Id: Ib9ffc5bf9c3ace5d2a904206f834f69eccfb690d
This commit is contained in:
William Luh
2017-02-24 09:49:37 -08:00
parent c65e3a19a1
commit 4f80f221c6
3 changed files with 80 additions and 26 deletions

View File

@@ -22,9 +22,12 @@ import android.content.IContentProvider;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Looper;
import com.android.settings.trustagent.TrustAgentManager;
import com.android.settings.trustagent.TrustAgentManagerImpl;
import com.android.settingslib.drawer.DashboardCategory;
import android.support.annotation.VisibleForTesting;
import android.support.v4.content.ContextCompat;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
@@ -35,6 +38,7 @@ import android.util.Pair;
import com.android.settingslib.drawer.Tile;
import com.android.settingslib.drawer.TileUtils;
import java.util.concurrent.Executors;
import java.util.Map;
/** Implementation for {@code SecurityFeatureProvider}. */
@@ -43,8 +47,22 @@ public class SecurityFeatureProviderImpl implements SecurityFeatureProvider {
private TrustAgentManager mTrustAgentManager;
/** Update preferences with data from associated tiles. */
public void updatePreferences(Context context, PreferenceScreen preferenceScreen,
public void updatePreferences(final Context context, final PreferenceScreen preferenceScreen,
final DashboardCategory dashboardCategory) {
// Fetching the summary and icon from the provider introduces latency, so do this on a
// separate thread.
Executors.newSingleThreadExecutor().execute(new Runnable() {
@Override
public void run() {
updatePreferencesToRunOnWorkerThread(context, preferenceScreen, dashboardCategory);
}
});
}
@VisibleForTesting
void updatePreferencesToRunOnWorkerThread(Context context, PreferenceScreen preferenceScreen,
DashboardCategory dashboardCategory) {
if (preferenceScreen == null) {
return;
}
@@ -82,26 +100,41 @@ public class SecurityFeatureProviderImpl implements SecurityFeatureProvider {
TileUtils.getIconFromUri(context, packageName, iconUri, providerMap);
if (icon != null) {
// Icon is only returned if the icon belongs to Settings or the target app.
try {
matchingPref.setIcon(context.getPackageManager()
.getResourcesForApplication(icon.first /* package name */)
.getDrawable(icon.second /* res id */, context.getTheme()));
} catch (PackageManager.NameNotFoundException | Resources.NotFoundException e) {
// Intentionally ignored. If icon resources cannot be found, do not update.
}
// setIcon must be called on the UI thread.
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
try {
matchingPref.setIcon(context.getPackageManager()
.getResourcesForApplication(icon.first /* package name */)
.getDrawable(icon.second /* res id */,
context.getTheme()));
} catch (PackageManager.NameNotFoundException
| Resources.NotFoundException e) {
// Intentionally ignored. If icon resources cannot be found, do not
// update.
}
}
});
}
}
if (!TextUtils.isEmpty(summaryUri)) {
String summary = TileUtils.getTextFromUri(context, summaryUri, providerMap,
TileUtils.META_DATA_PREFERENCE_SUMMARY);
// Only update the summary if it has actually changed.
if (summary == null) {
if (matchingPref.getSummary() != null) {
matchingPref.setSummary(summary);
// setSummary must be called on UI thread.
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
// Only update the summary if it has actually changed.
if (summary == null) {
if (matchingPref.getSummary() != null) {
matchingPref.setSummary(summary);
}
} else if (!summary.equals(matchingPref.getSummary())) {
matchingPref.setSummary(summary);
}
}
} else if (!summary.equals(matchingPref.getSummary())) {
matchingPref.setSummary(summary);
}
});
}
}
}