diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index 3c388770331..20774f1ae18 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -67,6 +67,9 @@
Peak refresh rate
+
+ Minimum refresh rate
+
Locate the fingerprint sensor on the front of your tablet.
Locate the fingerprint sensor on the front of your device.
diff --git a/res/values/lineage_config.xml b/res/values/lineage_config.xml
index ec0d46865ae..7c3121ba69c 100644
--- a/res/values/lineage_config.xml
+++ b/res/values/lineage_config.xml
@@ -28,4 +28,7 @@
false
+
+
+ false
diff --git a/res/xml/display_settings.xml b/res/xml/display_settings.xml
index 60665309a9a..ae225252a25 100644
--- a/res/xml/display_settings.xml
+++ b/res/xml/display_settings.xml
@@ -177,6 +177,12 @@
android:summary="@string/summary_placeholder"
settings:controller="com.android.settings.display.PeakRefreshRateListPreferenceController" />
+
+
mEntries = new ArrayList<>();
+ private List mValues = new ArrayList<>();
+
+ public MinRefreshRatePreferenceController(Context context) {
+ super(context, KEY_MIN_REFRESH_RATE);
+
+ if (mContext.getResources().getBoolean(R.bool.config_show_min_refresh_rate_switch)) {
+ Display.Mode mode = mContext.getDisplay().getMode();
+ Display.Mode[] modes = mContext.getDisplay().getSupportedModes();
+ Arrays.sort(modes, (mode1, mode2) ->
+ Float.compare(mode2.getRefreshRate(), mode1.getRefreshRate()));
+ for (Display.Mode m : modes) {
+ if (m.getPhysicalWidth() == mode.getPhysicalWidth() &&
+ m.getPhysicalHeight() == mode.getPhysicalHeight()) {
+ mEntries.add(String.format("%.02fHz", m.getRefreshRate())
+ .replaceAll("[\\.,]00", ""));
+ mValues.add(String.format(Locale.US, "%.02f", m.getRefreshRate()));
+ }
+ }
+ }
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ return mEntries.size() > 1 ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return KEY_MIN_REFRESH_RATE;
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ mListPreference = screen.findPreference(getPreferenceKey());
+ mListPreference.setEntries(mEntries.toArray(new String[mEntries.size()]));
+ mListPreference.setEntryValues(mValues.toArray(new String[mValues.size()]));
+
+ super.displayPreference(screen);
+ }
+
+ @Override
+ public void updateState(Preference preference) {
+ final float currentValue = Settings.System.getFloat(mContext.getContentResolver(),
+ MIN_REFRESH_RATE, 60.00f);
+ int index = mListPreference.findIndexOfValue(
+ String.format(Locale.US, "%.02f", currentValue));
+ if (index < 0) index = 0;
+ mListPreference.setValueIndex(index);
+ mListPreference.setSummary(mListPreference.getEntries()[index]);
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object newValue) {
+ Settings.System.putFloat(mContext.getContentResolver(), MIN_REFRESH_RATE,
+ Float.valueOf((String) newValue));
+ updateState(preference);
+ return true;
+ }
+
+}