Loading src/com/android/settings/SettingsPreferenceFragment.java +23 −14 Original line number Diff line number Diff line Loading @@ -68,7 +68,8 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private static final String TAG = "SettingsPreference"; private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600; @VisibleForTesting static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600; private static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted"; Loading @@ -86,7 +87,6 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private ContentResolver mContentResolver; private String mPreferenceKey; private boolean mPreferenceHighlighted = false; private RecyclerView.Adapter mCurrentRootAdapter; private boolean mIsDataSetObserverRegistered = false; Loading Loading @@ -130,10 +130,14 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private View mEmptyView; private LinearLayoutManager mLayoutManager; private HighlightablePreferenceGroupAdapter mAdapter; private ArrayMap<String, Preference> mPreferenceCache; private boolean mAnimationAllowed; @VisibleForTesting public HighlightablePreferenceGroupAdapter mAdapter; @VisibleForTesting public boolean mPreferenceHighlighted = false; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Loading Loading @@ -268,8 +272,13 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public void highlightPreferenceIfNeeded() { if (isAdded() && !mPreferenceHighlighted &&!TextUtils.isEmpty(mPreferenceKey)) { getView().postDelayed(new Runnable() { @Override public void run() { highlightPreference(mPreferenceKey); } }, DELAY_HIGHLIGHT_DURATION_MILLIS); } } protected void onDataSetChanged() { Loading Loading @@ -399,18 +408,14 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private void highlightPreference(String key) { final int position = canUseListViewForHighLighting(key); if (position >= 0) { if (position < 0) { return; } mPreferenceHighlighted = true; mLayoutManager.scrollToPosition(position); getView().postDelayed(new Runnable() { @Override public void run() { mAdapter.highlight(position); } }, DELAY_HIGHLIGHT_DURATION_MILLIS); } } private int findListPositionFromKey(PreferenceGroupAdapter adapter, String key) { final int count = adapter.getItemCount(); Loading Loading @@ -765,6 +770,9 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public static class HighlightablePreferenceGroupAdapter extends PreferenceGroupAdapter { @VisibleForTesting(otherwise=VisibleForTesting.NONE) int initialHighlightedPosition = -1; private int mHighlightPosition = -1; public HighlightablePreferenceGroupAdapter(PreferenceGroup preferenceGroup) { Loading @@ -773,6 +781,7 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public void highlight(int position) { mHighlightPosition = position; initialHighlightedPosition = position; notifyDataSetChanged(); } Loading tests/app/src/com/android/settings/SettingsPreferenceFragmentTest.java 0 → 100644 +73 −0 Original line number Diff line number Diff line package com.android.settings; import android.content.Intent; import android.content.Context; import android.app.Instrumentation; import android.os.Bundle; import android.support.v7.preference.Preference; import android.support.v7.preference.PreferenceGroupAdapter; import com.android.settings.accessibility.AccessibilitySettings; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import android.support.test.InstrumentationRegistry; import android.support.test.filters.SmallTest; import android.support.test.runner.AndroidJUnit4; import static android.support.test.espresso.Espresso.onView; import static android.support.test.espresso.assertion.ViewAssertions.matches; import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed; import static android.support.test.espresso.matcher.ViewMatchers.withText; import static com.google.common.truth.Truth.assertThat; @RunWith(AndroidJUnit4.class) @SmallTest public class SettingsPreferenceFragmentTest { private Instrumentation mInstrumentation; private Context mTargetContext; @Before public void setUp() throws Exception { mInstrumentation = InstrumentationRegistry.getInstrumentation(); mTargetContext = mInstrumentation.getTargetContext(); } @Test public void testHighlightCaptions() throws InterruptedException { final String prefKey = "captioning_preference_screen"; Bundle args = new Bundle(); args.putString(SettingsActivity.EXTRA_FRAGMENT_ARG_KEY, prefKey); Intent intent = new Intent(Intent.ACTION_MAIN); intent.setClass(mTargetContext, SubSettings.class); intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT, "com.android.settings.accessibility.AccessibilitySettings"); intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); SettingsActivity activity = (SettingsActivity) mInstrumentation.startActivitySync(intent); AccessibilitySettings fragment = (AccessibilitySettings) activity.getFragmentManager().getFragments().get(0); // Allow time for highlight from post-delay. Thread.sleep(SettingsPreferenceFragment.DELAY_HIGHLIGHT_DURATION_MILLIS); if (!fragment.mPreferenceHighlighted) { Thread.sleep(SettingsPreferenceFragment.DELAY_HIGHLIGHT_DURATION_MILLIS); } int prefPosition = -1; PreferenceGroupAdapter adapter = (PreferenceGroupAdapter) fragment.getListView().getAdapter(); for (int n = 0, count = adapter.getItemCount(); n < count; n++) { final Preference preference = adapter.getItem(n); final String preferenceKey = preference.getKey(); if (preferenceKey.equals(prefKey)) { prefPosition = n; break; } } assertThat(fragment.mAdapter.initialHighlightedPosition).isEqualTo(prefPosition); } } Loading
src/com/android/settings/SettingsPreferenceFragment.java +23 −14 Original line number Diff line number Diff line Loading @@ -68,7 +68,8 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private static final String TAG = "SettingsPreference"; private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600; @VisibleForTesting static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600; private static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted"; Loading @@ -86,7 +87,6 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private ContentResolver mContentResolver; private String mPreferenceKey; private boolean mPreferenceHighlighted = false; private RecyclerView.Adapter mCurrentRootAdapter; private boolean mIsDataSetObserverRegistered = false; Loading Loading @@ -130,10 +130,14 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private View mEmptyView; private LinearLayoutManager mLayoutManager; private HighlightablePreferenceGroupAdapter mAdapter; private ArrayMap<String, Preference> mPreferenceCache; private boolean mAnimationAllowed; @VisibleForTesting public HighlightablePreferenceGroupAdapter mAdapter; @VisibleForTesting public boolean mPreferenceHighlighted = false; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Loading Loading @@ -268,8 +272,13 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public void highlightPreferenceIfNeeded() { if (isAdded() && !mPreferenceHighlighted &&!TextUtils.isEmpty(mPreferenceKey)) { getView().postDelayed(new Runnable() { @Override public void run() { highlightPreference(mPreferenceKey); } }, DELAY_HIGHLIGHT_DURATION_MILLIS); } } protected void onDataSetChanged() { Loading Loading @@ -399,18 +408,14 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF private void highlightPreference(String key) { final int position = canUseListViewForHighLighting(key); if (position >= 0) { if (position < 0) { return; } mPreferenceHighlighted = true; mLayoutManager.scrollToPosition(position); getView().postDelayed(new Runnable() { @Override public void run() { mAdapter.highlight(position); } }, DELAY_HIGHLIGHT_DURATION_MILLIS); } } private int findListPositionFromKey(PreferenceGroupAdapter adapter, String key) { final int count = adapter.getItemCount(); Loading Loading @@ -765,6 +770,9 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public static class HighlightablePreferenceGroupAdapter extends PreferenceGroupAdapter { @VisibleForTesting(otherwise=VisibleForTesting.NONE) int initialHighlightedPosition = -1; private int mHighlightPosition = -1; public HighlightablePreferenceGroupAdapter(PreferenceGroup preferenceGroup) { Loading @@ -773,6 +781,7 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF public void highlight(int position) { mHighlightPosition = position; initialHighlightedPosition = position; notifyDataSetChanged(); } Loading
tests/app/src/com/android/settings/SettingsPreferenceFragmentTest.java 0 → 100644 +73 −0 Original line number Diff line number Diff line package com.android.settings; import android.content.Intent; import android.content.Context; import android.app.Instrumentation; import android.os.Bundle; import android.support.v7.preference.Preference; import android.support.v7.preference.PreferenceGroupAdapter; import com.android.settings.accessibility.AccessibilitySettings; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import android.support.test.InstrumentationRegistry; import android.support.test.filters.SmallTest; import android.support.test.runner.AndroidJUnit4; import static android.support.test.espresso.Espresso.onView; import static android.support.test.espresso.assertion.ViewAssertions.matches; import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed; import static android.support.test.espresso.matcher.ViewMatchers.withText; import static com.google.common.truth.Truth.assertThat; @RunWith(AndroidJUnit4.class) @SmallTest public class SettingsPreferenceFragmentTest { private Instrumentation mInstrumentation; private Context mTargetContext; @Before public void setUp() throws Exception { mInstrumentation = InstrumentationRegistry.getInstrumentation(); mTargetContext = mInstrumentation.getTargetContext(); } @Test public void testHighlightCaptions() throws InterruptedException { final String prefKey = "captioning_preference_screen"; Bundle args = new Bundle(); args.putString(SettingsActivity.EXTRA_FRAGMENT_ARG_KEY, prefKey); Intent intent = new Intent(Intent.ACTION_MAIN); intent.setClass(mTargetContext, SubSettings.class); intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT, "com.android.settings.accessibility.AccessibilitySettings"); intent.putExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); SettingsActivity activity = (SettingsActivity) mInstrumentation.startActivitySync(intent); AccessibilitySettings fragment = (AccessibilitySettings) activity.getFragmentManager().getFragments().get(0); // Allow time for highlight from post-delay. Thread.sleep(SettingsPreferenceFragment.DELAY_HIGHLIGHT_DURATION_MILLIS); if (!fragment.mPreferenceHighlighted) { Thread.sleep(SettingsPreferenceFragment.DELAY_HIGHLIGHT_DURATION_MILLIS); } int prefPosition = -1; PreferenceGroupAdapter adapter = (PreferenceGroupAdapter) fragment.getListView().getAdapter(); for (int n = 0, count = adapter.getItemCount(); n < count; n++) { final Preference preference = adapter.getItem(n); final String preferenceKey = preference.getKey(); if (preferenceKey.equals(prefKey)) { prefPosition = n; break; } } assertThat(fragment.mAdapter.initialHighlightedPosition).isEqualTo(prefPosition); } }