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MihaiCristianCondreaMihaiCristianCondrea
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Merge pull request #170 from MihaiCristianCondrea/codex/add-unit-tests-for-defaultmainrepository
Add unit tests for DefaultMainRepository
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‎app/src/test/java/com/d4rk/androidtutorials/java/data/repository/DefaultMainRepositoryTest.java‎

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package com.d4rk.androidtutorials.java.data.repository;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertSame;
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import static org.junit.Assert.assertTrue;
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import static org.mockito.ArgumentMatchers.anyInt;
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import static org.mockito.ArgumentMatchers.anyString;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.mockStatic;
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import static org.mockito.Mockito.when;
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import android.content.Context;
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import android.content.SharedPreferences;
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import androidx.appcompat.app.AppCompatDelegate;
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import androidx.core.os.LocaleListCompat;
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import androidx.preference.PreferenceManager;
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import com.d4rk.androidtutorials.java.R;
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import com.google.android.play.core.appupdate.AppUpdateManager;
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import com.google.android.play.core.appupdate.AppUpdateManagerFactory;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.mockito.MockedStatic;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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public class DefaultMainRepositoryTest {
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private Context context;
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private FakeSharedPreferences defaultPrefs;
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private FakeSharedPreferences startupPrefs;
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private AppUpdateManager updateManager;
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private MockedStatic<PreferenceManager> prefManager;
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private MockedStatic<AppUpdateManagerFactory> updateManagerFactory;
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private DefaultMainRepository repository;
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@Before
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public void setUp() {
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context = mock(Context.class);
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defaultPrefs = new FakeSharedPreferences();
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startupPrefs = new FakeSharedPreferences();
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updateManager = mock(AppUpdateManager.class);
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prefManager = mockStatic(PreferenceManager.class);
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prefManager.when(() -> PreferenceManager.getDefaultSharedPreferences(context)).thenReturn(defaultPrefs);
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updateManagerFactory = mockStatic(AppUpdateManagerFactory.class);
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updateManagerFactory.when(() -> AppUpdateManagerFactory.create(context)).thenReturn(updateManager);
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when(context.getApplicationContext()).thenReturn(context);
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when(context.getString(R.string.key_theme)).thenReturn("theme");
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when(context.getString(R.string.default_value_theme)).thenReturn("system");
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when(context.getString(R.string.key_bottom_navigation_bar_labels)).thenReturn("labels");
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when(context.getString(R.string.default_value_bottom_navigation_bar_labels)).thenReturn("never");
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when(context.getString(R.string.key_default_tab)).thenReturn("tab");
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when(context.getString(R.string.default_value_tab)).thenReturn("home");
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when(context.getString(R.string.key_language)).thenReturn("language");
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when(context.getString(R.string.default_value_language)).thenReturn("en");
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when(context.getSharedPreferences(anyString(), anyInt())).thenReturn(startupPrefs);
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AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
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AppCompatDelegate.setApplicationLocales(LocaleListCompat.getEmptyLocaleList());
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repository = new DefaultMainRepository(context);
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}
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@After
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public void tearDown() {
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prefManager.close();
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updateManagerFactory.close();
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AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
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AppCompatDelegate.setApplicationLocales(LocaleListCompat.getEmptyLocaleList());
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}
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@Test
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public void applyThemeSettings_noChangeWhenPreferenceSame() {
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defaultPrefs.edit().putString("theme", "light").apply();
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AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
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boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});
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assertFalse(changed);
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assertEquals(AppCompatDelegate.MODE_NIGHT_NO, AppCompatDelegate.getDefaultNightMode());
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}
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@Test
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public void applyThemeSettings_changesWhenPreferenceDiffers() {
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defaultPrefs.edit().putString("theme", "dark").apply();
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AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
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boolean changed = repository.applyThemeSettings(new String[]{"system", "light", "dark", "auto"});
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assertTrue(changed);
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assertEquals(AppCompatDelegate.MODE_NIGHT_YES, AppCompatDelegate.getDefaultNightMode());
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}
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@Test
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public void getBottomNavLabelVisibilityAndDefaultTabPreferenceReturnStoredValues() {
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defaultPrefs.edit().putString("labels", "always").apply();
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defaultPrefs.edit().putString("tab", "search").apply();
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assertEquals("always", repository.getBottomNavLabelVisibility());
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assertEquals("search", repository.getDefaultTabPreference());
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}
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@Test
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public void startupScreenDefaultsTrueAndFlipsAfterMark() {
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assertTrue(repository.shouldShowStartupScreen());
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repository.markStartupScreenShown();
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assertFalse(repository.shouldShowStartupScreen());
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}
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@Test
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public void applyLanguageSettings_setsLocales() {
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defaultPrefs.edit().putString("language", "fr").apply();
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repository.applyLanguageSettings();
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assertEquals("fr", AppCompatDelegate.getApplicationLocales().toLanguageTags());
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}
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@Test
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public void getAppUpdateManager_returnsInjectedManager() {
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assertSame(updateManager, repository.getAppUpdateManager());
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}
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private static class FakeSharedPreferences implements SharedPreferences {
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private final Map<String, Object> values = new HashMap<>();
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@Override
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public Map<String, ?> getAll() {
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return values;
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}
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@Override
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public String getString(String key, String defValue) {
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Object v = values.get(key);
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return v instanceof String ? (String) v : defValue;
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}
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@SuppressWarnings("unchecked")
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@Override
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public Set<String> getStringSet(String key, Set<String> defValues) {
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Object v = values.get(key);
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return v instanceof Set ? (Set<String>) v : defValues;
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}
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@Override
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public int getInt(String key, int defValue) {
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Object v = values.get(key);
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return v instanceof Integer ? (Integer) v : defValue;
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}
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@Override
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public long getLong(String key, long defValue) {
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Object v = values.get(key);
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return v instanceof Long ? (Long) v : defValue;
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}
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@Override
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public float getFloat(String key, float defValue) {
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Object v = values.get(key);
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return v instanceof Float ? (Float) v : defValue;
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}
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@Override
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public boolean getBoolean(String key, boolean defValue) {
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Object v = values.get(key);
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return v instanceof Boolean ? (Boolean) v : defValue;
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}
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@Override
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public boolean contains(String key) {
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return values.containsKey(key);
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}
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@Override
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public Editor edit() {
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return new Editor() {
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@Override
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public Editor putString(String key, String value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor putStringSet(String key, Set<String> value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor putInt(String key, int value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor putLong(String key, long value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor putFloat(String key, float value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor putBoolean(String key, boolean value) {
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values.put(key, value);
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return this;
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}
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@Override
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public Editor remove(String key) {
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values.remove(key);
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return this;
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}
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@Override
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public Editor clear() {
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values.clear();
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return this;
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}
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@Override
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public boolean commit() {
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return true;
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}
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@Override
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public void apply() {
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}
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};
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}
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@Override
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public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
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}
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@Override
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public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
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}
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}
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}

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