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Fix a NPE when rotating dialog created by DialogCreatable.

Browse Source 
Bug: 30088727
Test: make RunSettingsRoboTests
Change-Id: I775899809dfe920daa294f70d646b141da7c0706
This commit is contained in:
Fan Zhang
2016-10-03 13:48:55 -07:00
parent 8fdb96e32e
commit 4fe7c0859f
4 changed files with 22 additions and 2 deletions
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4
src/com/android/settings/SettingsPreferenceFragment.java
View File

@@ -46,6 +46,7 @@ import android.widget.Button;
import com.android.settings.applications.LayoutPreference;
import com.android.settings.core.InstrumentedFragment;
import com.android.settings.core.instrumentation.Instrumentable;
import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
import com.android.settingslib.HelpUtils;
@@ -626,6 +627,9 @@ public abstract class SettingsPreferenceFragment extends InstrumentedFragment
@Override
public int getMetricsCategory() {
if (mDialogCreatable == null) {
return Instrumentable.METRICS_CATEGORY_UNKNOWN;
}
final int metricsCategory = mDialogCreatable.getDialogMetricsCategory(mDialogId);
if (metricsCategory <= 0) {
throw new IllegalStateException("Dialog must provide a metrics category");

2
src/com/android/settings/core/instrumentation/Instrumentable.java
View File

@@ -18,6 +18,8 @@ package com.android.settings.core.instrumentation;
public interface Instrumentable {
int METRICS_CATEGORY_UNKNOWN = 0;
/**
* Instrumented name for a view as defined in
* {@link com.android.internal.logging.MetricsProto.MetricsEvent}.

6
src/com/android/settings/core/instrumentation/VisibilityLoggerMixin.java
View File

@@ -24,6 +24,8 @@ import com.android.settings.core.lifecycle.events.OnPause;
import com.android.settings.core.lifecycle.events.OnResume;
import com.android.settings.overlay.FeatureFactory;
import static com.android.settings.core.instrumentation.Instrumentable.METRICS_CATEGORY_UNKNOWN;
/**
* Logs visibility change of a fragment.
*/
@@ -50,14 +52,14 @@ public class VisibilityLoggerMixin implements LifecycleObserver, OnResume, OnPau
@Override
public void onResume() {
if (mMetricsFeature != null) {
if (mMetricsFeature != null && mMetricsCategory != METRICS_CATEGORY_UNKNOWN) {
mMetricsFeature.visible(null /* context */, mMetricsCategory);
}
}
@Override
public void onPause() {
if (mMetricsFeature != null) {
if (mMetricsFeature != null && mMetricsCategory != METRICS_CATEGORY_UNKNOWN) {
mMetricsFeature.hidden(null /* context */, mMetricsCategory);
}
}