Move keepScreenOn and rotateScreen

app/src/main/java/org/solovyev/android/calculator/BaseActivity.java

@@ -12,10 +12,7 @@ import android.support.design.widget.FloatingActionButton;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
-import android.view.KeyEvent;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
+import android.view.*;
 import android.widget.TextView;
 import butterknife.Bind;
 import butterknife.ButterKnife;
@@ -31,9 +28,13 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
 import static org.solovyev.android.calculator.App.cast;
+import static org.solovyev.android.calculator.Preferences.Gui.keepScreenOn;
 
-public class BaseActivity extends AppCompatActivity {
+public class BaseActivity extends AppCompatActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
 
     @Nonnull
     protected final Tabs tabs;
@@ -69,6 +70,7 @@ public class BaseActivity extends AppCompatActivity {
     private Preferences.Gui.Mode mode = Preferences.Gui.Mode.engineer;
     @Nonnull
     private Language language = Languages.SYSTEM_LANGUAGE;
+    private boolean paused = true;
 
     public BaseActivity(@StringRes int titleId) {
         this(R.layout.activity_tabs, titleId);
@@ -96,11 +98,6 @@ public class BaseActivity extends AppCompatActivity {
         }
     }
 
-    @Nonnull
-    public Preferences.Gui.Theme getActivityTheme() {
-        return theme;
-    }
-
     @Nonnull
     public Preferences.Gui.Mode getActivityMode() {
         return mode;
@@ -154,6 +151,11 @@ public class BaseActivity extends AppCompatActivity {
         languages.updateContextLocale(this, false);
 
         createView();
+
+        updateOrientation();
+        updateKeepScreenOn();
+
+        preferences.registerOnSharedPreferenceChangeListener(this);
     }
 
     private void createView() {
@@ -236,13 +238,27 @@ public class BaseActivity extends AppCompatActivity {
     @Override
     protected void onResume() {
         super.onResume();
+        paused = false;
         if (!restartIfThemeChanged()) {
             restartIfLanguageChanged();
         }
     }
 
+    private void updateKeepScreenOn() {
+        final Window window = getWindow();
+        if (window == null) {
+            return;
+        }
+        if (keepScreenOn.getPreference(preferences)) {
+            window.addFlags(FLAG_KEEP_SCREEN_ON);
+        } else {
+            window.clearFlags(FLAG_KEEP_SCREEN_ON);
+        }
+    }
+
     @Override
     protected void onPause() {
+        paused = true;
         tabs.onPause();
         super.onPause();
     }
@@ -276,4 +292,36 @@ public class BaseActivity extends AppCompatActivity {
             }
         });
     }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        preferences.unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
+        if (Preferences.Gui.rotateScreen.isSameKey(key)) {
+            updateOrientation();
+        } else if (Preferences.Gui.keepScreenOn.isSameKey(key)) {
+            updateKeepScreenOn();
+        }
+
+        if (paused) {
+            return;
+        }
+        if (Preferences.Gui.theme.isSameKey(key)) {
+            restartIfThemeChanged();
+        } else if (Preferences.Gui.language.isSameKey(key)) {
+            restartIfLanguageChanged();
+        }
+    }
+
+    private void updateOrientation() {
+        if (Preferences.Gui.rotateScreen.getPreference(preferences)) {
+            setRequestedOrientation(SCREEN_ORIENTATION_UNSPECIFIED);
+        } else {
+            setRequestedOrientation(SCREEN_ORIENTATION_PORTRAIT);
+        }
+    }
 }

app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java

@@ -27,7 +27,10 @@ import android.os.Bundle;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v7.widget.Toolbar;
-import android.view.*;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
 import android.widget.FrameLayout;
 import butterknife.Bind;
 import butterknife.ButterKnife;
@@ -39,18 +42,11 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import javax.inject.Inject;
 
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
-import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
-import static org.solovyev.android.calculator.Preferences.Gui.keepScreenOn;
-
-public class CalculatorActivity extends BaseActivity implements SharedPreferences.OnSharedPreferenceChangeListener, Toolbar.OnMenuItemClickListener {
+public class CalculatorActivity extends BaseActivity implements Toolbar.OnMenuItemClickListener {
 
     @Inject
     PreferredPreferences preferredPreferences;
     @Inject
-    SharedPreferences preferences;
-    @Inject
     Keyboard keyboard;
     @Inject
     PartialKeyboardUi partialKeyboardUi;
@@ -101,9 +97,6 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
             startupHelper.onMainActivityOpened(this);
         }
 
-        updateOrientation();
-
-        preferences.registerOnSharedPreferenceChangeListener(this);
         preferredPreferences.check(this, false);
     }
 
@@ -133,16 +126,7 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
     protected void onResume() {
         super.onResume();
         launcher.setActivity(this);
-        if (restartIfModeChanged()) {
-            return;
-        }
-
-        final Window window = getWindow();
-        if (keepScreenOn.getPreference(preferences)) {
-            window.addFlags(FLAG_KEEP_SCREEN_ON);
-        } else {
-            window.clearFlags(FLAG_KEEP_SCREEN_ON);
-        }
+        restartIfModeChanged();
     }
 
     @Override
@@ -153,7 +137,6 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
 
     @Override
     protected void onDestroy() {
-        preferences.unregisterOnSharedPreferenceChangeListener(this);
         if (partialKeyboard != null) {
             partialKeyboardUi.onDestroyView();
         }
@@ -162,21 +145,10 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
 
     @Override
     public void onSharedPreferenceChanged(SharedPreferences preferences, @Nonnull String key) {
+        super.onSharedPreferenceChanged(preferences, key);
         if (Preferences.Gui.useBackAsPrevious.isSameKey(key)) {
             useBackAsPrevious = Preferences.Gui.useBackAsPrevious.getPreference(preferences);
         }
-
-        if (Preferences.Gui.rotateScreen.isSameKey(key)) {
-            updateOrientation();
-        }
-    }
-
-    private void updateOrientation() {
-        if (Preferences.Gui.rotateScreen.getPreference(preferences)) {
-            setRequestedOrientation(SCREEN_ORIENTATION_UNSPECIFIED);
-        } else {
-            setRequestedOrientation(SCREEN_ORIENTATION_PORTRAIT);
-        }
     }
 
     @Override

app/src/main/java/org/solovyev/android/calculator/preferences/PreferencesActivity.java

@@ -8,11 +8,9 @@ import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
 import android.support.annotation.XmlRes;
 import android.util.SparseArray;
-
 import org.solovyev.android.calculator.App;
 import org.solovyev.android.calculator.AppComponent;
 import org.solovyev.android.calculator.BaseActivity;
-import org.solovyev.android.calculator.Preferences;
 import org.solovyev.android.calculator.R;
 import org.solovyev.android.calculator.language.Languages;
 import org.solovyev.android.checkout.ActivityCheckout;
@@ -45,15 +43,12 @@ public class PreferencesActivity extends BaseActivity implements SharedPreferenc
     }
 
     ActivityCheckout checkout;
-    private boolean paused = true;
 
     @Inject
     Billing billing;
     @Inject
     Products products;
     @Inject
-    SharedPreferences preferences;
-    @Inject
     Languages languages;
 
     public PreferencesActivity() {
@@ -78,7 +73,6 @@ public class PreferencesActivity extends BaseActivity implements SharedPreferenc
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        preferences.registerOnSharedPreferenceChangeListener(this);
 
         final Intent intent = getIntent();
         final int preferenceTitle = intent.getIntExtra(EXTRA_PREFERENCE_TITLE, 0);
@@ -103,33 +97,9 @@ public class PreferencesActivity extends BaseActivity implements SharedPreferenc
         component.inject(this);
     }
 
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-        if (!paused) {
-            if (Preferences.Gui.theme.isSameKey(key)) {
-                restartIfThemeChanged();
-            } else if (Preferences.Gui.language.isSameKey(key)) {
-                restartIfLanguageChanged();
-            }
-        }
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        paused = false;
-    }
-
-    @Override
-    protected void onPause() {
-        paused = true;
-        super.onPause();
-    }
-
     @Override
     protected void onDestroy() {
         checkout.stop();
-        preferences.unregisterOnSharedPreferenceChangeListener(this);
         super.onDestroy();
     }
 

app/src/main/java/org/solovyev/android/calculator/wizard/WizardActivity.java

@@ -195,15 +195,6 @@ public class WizardActivity extends BaseActivity implements WizardsAware, Shared
         }
     }
 
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-        if (Preferences.Gui.theme.isSameKey(key)) {
-            restartIfThemeChanged();
-        } else if (Preferences.Gui.language.isSameKey(key)) {
-            restartIfLanguageChanged();
-        }
-    }
-
     private class WizardPagerAdapter extends FragmentStatePagerAdapter {
         @Nonnull
         private final ListWizardFlow flow;