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Merge "Cache summary text to avoid flickering" into tm-dev

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This commit is contained in:
Lifu Tang
2022-05-12 14:57:31 +00:00
committed by Android (Google) Code Review
parent 7f3f9666ee f29a071fca
commit bd4b23ba0d
2 changed files with 26 additions and 16 deletions
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16
src/com/android/settings/location/TopLevelLocationPreferenceController.java
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@@ -31,9 +31,9 @@ public class TopLevelLocationPreferenceController extends BasePreferenceControll
private static final IntentFilter INTENT_FILTER_LOCATION_MODE_CHANGED =
new IntentFilter(LocationManager.MODE_CHANGED_ACTION);
private final LocationManager mLocationManager;
/** Total number of apps that has location permission. */
private int mNumTotal = -1;
private int mNumTotalLoading = 0;
/** Summary text. */
private static String sSummary = null;
private BroadcastReceiver mReceiver;
private Preference mPreference;
private AtomicInteger loadingInProgress = new AtomicInteger(0);
@@ -51,12 +51,11 @@ public class TopLevelLocationPreferenceController extends BasePreferenceControll
@Override
public CharSequence getSummary() {
if (mLocationManager.isLocationEnabled()) {
if (mNumTotal == -1) {
return mContext.getString(R.string.location_settings_loading_app_permission_stats);
if (sSummary == null) {
sSummary = mContext.getString(
R.string.location_settings_loading_app_permission_stats);
}
return mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on,
mNumTotal, mNumTotal);
return sSummary;
} else {
return mContext.getString(R.string.location_settings_summary_location_off);
}
@@ -64,7 +63,8 @@ public class TopLevelLocationPreferenceController extends BasePreferenceControll
@VisibleForTesting
void setLocationAppCount(int numApps) {
mNumTotal = numApps;
sSummary = mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on, numApps, numApps);
refreshSummary(mPreference);
}

26
tests/robotests/src/com/android/settings/location/TopLevelLocationPreferenceControllerTest.java
View File

@@ -56,31 +56,41 @@ public class TopLevelLocationPreferenceControllerTest {
}
@Test
public void getSummary_whenLocationIsOn_shouldShowLoadingString() {
public void getSummary_whenLocationIsOn_shouldPreservePreviousText() {
final int locationAppCount = 5;
// Retrieve summary text once.
mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
mController.setLocationAppCount(locationAppCount);
mController.getSummary();
// Turn off location.
mLocationManager.setLocationEnabledForUser(false, android.os.Process.myUserHandle());
// Turn on location again and check if the previous summary text is still cached.
mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
assertThat(mController.getSummary()).isEqualTo(
mContext.getString(R.string.location_settings_loading_app_permission_stats));
mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on, locationAppCount,
locationAppCount));
}
@Test
public void getSummary_whenLocationAppCountIsOne_shouldShowSingularString() {
final int LOCATION_APP_COUNT = 1;
final int locationAppCount = 1;
mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
mController.setLocationAppCount(LOCATION_APP_COUNT);
mController.setLocationAppCount(locationAppCount);
assertThat(mController.getSummary()).isEqualTo(
mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on,
LOCATION_APP_COUNT, LOCATION_APP_COUNT));
locationAppCount, locationAppCount));
}
@Test
public void getSummary_whenLocationAppCountIsGreaterThanOne_shouldShowPluralString() {
final int LOCATION_APP_COUNT = 5;
final int locationAppCount = 5;
mLocationManager.setLocationEnabledForUser(true, android.os.Process.myUserHandle());
mController.setLocationAppCount(LOCATION_APP_COUNT);
mController.setLocationAppCount(locationAppCount);
assertThat(mController.getSummary()).isEqualTo(
mContext.getResources().getQuantityString(
R.plurals.location_settings_summary_location_on,
LOCATION_APP_COUNT, LOCATION_APP_COUNT));
locationAppCount, locationAppCount));
}
}