Use SwitchBar for Accessibility Settings

Deals with Talkback / Captions / Magnification Gestures

- follow up CL to 4193776698

Related to bug #14898161 On/Off switches must move down from Action Bar

Change-Id: Ibda0ed05b399f1b2b4464c5b22a3e9fd3d378867

res/layout/switch_bar.xml

@@ -28,7 +28,7 @@
               android:textAppearance="@style/TextAppearance.Switch"
               android:textAlignment="viewStart" />
 
-    <Switch android:id="@+id/switch_widget"
+    <com.android.settings.widget.ToggleSwitch android:id="@+id/switch_widget"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"

src/com/android/settings/accessibility/CaptionPropertiesFragment.java

@@ -16,7 +16,6 @@
 
 package com.android.settings.accessibility;
 
-import android.app.ActionBar;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.res.Resources;
@@ -28,7 +27,6 @@ import android.preference.PreferenceCategory;
 import android.preference.PreferenceFrameLayout;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.provider.Settings;
-import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -38,8 +36,10 @@ import android.view.accessibility.CaptioningManager.CaptionStyle;
 
 import com.android.internal.widget.SubtitleView;
 import com.android.settings.R;
+import com.android.settings.SettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.accessibility.ListDialogPreference.OnValueChangedListener;
+import com.android.settings.widget.SwitchBar;
 import com.android.settings.widget.ToggleSwitch;
 import com.android.settings.widget.ToggleSwitch.OnBeforeCheckedChangeListener;
 
@@ -69,6 +69,7 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
     private CaptioningManager mCaptioningManager;
     private SubtitleView mPreviewText;
     private View mPreviewWindow;
+    private SwitchBar mSwitchBar;
     private ToggleSwitch mToggleSwitch;
 
     // Standard options.
@@ -129,14 +130,9 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
         mPreviewText = (SubtitleView) view.findViewById(R.id.preview_text);
         mPreviewText.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
 
-        final Context context = getActivity().getActionBar().getThemedContext();
+        SettingsActivity activity = (SettingsActivity) getActivity();
-        final int padding = context.getResources().getDimensionPixelSize(
+        mSwitchBar = activity.getSwitchBar();
-                R.dimen.action_bar_switch_padding);
+        mToggleSwitch = mSwitchBar.getSwitch();
-        mToggleSwitch = new ToggleSwitch(context);
-        mToggleSwitch.setPaddingRelative(0, 0, padding, 0);
-        mToggleSwitch.setLayoutParams(new ActionBar.LayoutParams(
-                ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.WRAP_CONTENT,
-                Gravity.CENTER_VERTICAL | Gravity.END));
         mToggleSwitch.setCheckedInternal(enabled);
 
         mPreviewWindow = view.findViewById(R.id.preview_window);
@@ -149,14 +145,12 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
     @Override
     public void onResume() {
         super.onResume();
-
+        installSwitchBarToggleSwitch();
-        installActionBarToggleSwitch();
     }
 
     @Override
     public void onPause() {
-        removeActionBarToggleSwitch();
+        removeSwitchBarToggleSwitch();
-
         super.onPause();
     }
 
@@ -205,7 +199,7 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
         }
     }
 
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
         mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
             @Override
             public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {
@@ -221,20 +215,14 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
         });
     }
 
-    private void installActionBarToggleSwitch() {
+    private void installSwitchBarToggleSwitch() {
-        final ActionBar ab = getActivity().getActionBar();
+        onInstallSwitchBarToggleSwitch();
-        ab.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, ActionBar.DISPLAY_SHOW_CUSTOM);
+        mSwitchBar.show();
-        ab.setCustomView(mToggleSwitch);
-
-        onInstallActionBarToggleSwitch();
     }
 
-    private void removeActionBarToggleSwitch() {
+    private void removeSwitchBarToggleSwitch() {
+        mSwitchBar.hide();
         mToggleSwitch.setOnBeforeCheckedChangeListener(null);
-
-        final ActionBar ab = getActivity().getActionBar();
-        ab.setDisplayOptions(0, ActionBar.DISPLAY_SHOW_CUSTOM);
-        ab.setCustomView(null);
     }
 
     private void initializeAllPreferences() {

src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java

@@ -281,8 +281,8 @@ public class ToggleAccessibilityServicePreferenceFragment
     }
 
     @Override
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
-        super.onInstallActionBarToggleSwitch();
+        super.onInstallSwitchBarToggleSwitch();
         mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
                 @Override
             public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {

src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java

@@ -23,13 +23,13 @@ import android.preference.Preference;
 import android.provider.Settings;
 import android.view.View;
 import android.view.accessibility.AccessibilityManager;
-import android.widget.CompoundButton;
-import android.widget.CompoundButton.OnCheckedChangeListener;
 
+import android.widget.Switch;
 import com.android.settings.R;
+import com.android.settings.widget.SwitchBar;
 
 public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceFragment
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener {
     private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED;
     private static final String TYPE = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER;
     private static final String QUICK_SETTING_ENABLED =
@@ -77,17 +77,18 @@ public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceF
     }
 
     @Override
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
-        super.onInstallActionBarToggleSwitch();
+        super.onInstallSwitchBarToggleSwitch();
 
         mToggleSwitch.setCheckedInternal(
                 Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
-        mToggleSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+        mSwitchBar.addOnSwitchChangeListener(this);
-            @Override
-            public void onCheckedChanged(CompoundButton button, boolean checked) {
-                onPreferenceToggled(mPreferenceKey, checked);
     }
-        });
+
+    @Override
+    protected void onRemoveSwitchBarToggleSwitch() {
+        super.onRemoveSwitchBarToggleSwitch();
+        mSwitchBar.removeOnSwitchChangeListener(this);
     }
 
     private void initPreferences() {
@@ -106,4 +107,9 @@ public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceF
                     getString(R.string.simulate_color_space)));
         }
     }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        onPreferenceToggled(mPreferenceKey, isChecked);
+    }
 }

src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java

@@ -16,15 +16,12 @@
 
 package com.android.settings.accessibility;
 
-import android.app.ActionBar;
-import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceScreen;
-import android.view.Gravity;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -36,11 +33,13 @@ import android.widget.TextView;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.widget.SwitchBar;
 import com.android.settings.widget.ToggleSwitch;
 
 public abstract class ToggleFeaturePreferenceFragment
         extends SettingsPreferenceFragment {
 
+    protected SwitchBar mSwitchBar;
     protected ToggleSwitch mToggleSwitch;
 
     protected String mPreferenceKey;
@@ -88,14 +87,9 @@ public abstract class ToggleFeaturePreferenceFragment
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-        final Context context = getActivity().getActionBar().getThemedContext();
+        SettingsActivity activity = (SettingsActivity) getActivity();
-        final int padding = context.getResources().getDimensionPixelSize(
+        mSwitchBar = activity.getSwitchBar();
-                R.dimen.action_bar_switch_padding);
+        mToggleSwitch = mSwitchBar.getSwitch();
-        mToggleSwitch = new ToggleSwitch(context);
-        mToggleSwitch.setPaddingRelative(0, 0, padding, 0);
-        mToggleSwitch.setLayoutParams(new ActionBar.LayoutParams(
-                ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.WRAP_CONTENT,
-                Gravity.CENTER_VERTICAL | Gravity.END));
 
         onProcessArguments(getArguments());
     }
@@ -124,28 +118,26 @@ public abstract class ToggleFeaturePreferenceFragment
         menuItem.setIntent(mSettingsIntent);
     }
 
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
         // Implement this to set a checked listener.
     }
 
-    private void installActionBarToggleSwitch() {
+    protected void onRemoveSwitchBarToggleSwitch() {
-        final ActionBar ab = getActivity().getActionBar();
+        // Implement this to reset a checked listener.
-        ab.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, ActionBar.DISPLAY_SHOW_CUSTOM);
+    }
-        ab.setCustomView(mToggleSwitch);
 
-        onInstallActionBarToggleSwitch();
+    private void installActionBarToggleSwitch() {
+        mSwitchBar.show();
+        onInstallSwitchBarToggleSwitch();
     }
 
     private void removeActionBarToggleSwitch() {
         mToggleSwitch.setOnBeforeCheckedChangeListener(null);
-
+        onRemoveSwitchBarToggleSwitch();
-        final ActionBar ab = getActivity().getActionBar();
+        mSwitchBar.hide();
-        ab.setDisplayOptions(0, ActionBar.DISPLAY_SHOW_CUSTOM);
-        ab.setCustomView(null);
     }
 
     public void setTitle(String title) {
-        final SettingsActivity activity = (SettingsActivity) getActivity();
         getActivity().setTitle(title);
     }
 

src/com/android/settings/accessibility/ToggleGlobalGesturePreferenceFragment.java

@@ -30,8 +30,8 @@ public class ToggleGlobalGesturePreferenceFragment
     }
 
     @Override
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
-        super.onInstallActionBarToggleSwitch();
+        super.onInstallSwitchBarToggleSwitch();
         mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
                 @Override
             public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {

src/com/android/settings/accessibility/ToggleInversionPreferenceFragment.java

@@ -21,13 +21,13 @@ import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.provider.Settings;
 import android.view.View;
-import android.widget.CompoundButton;
-import android.widget.CompoundButton.OnCheckedChangeListener;
 
+import android.widget.Switch;
 import com.android.settings.R;
+import com.android.settings.widget.SwitchBar;
 
 public class ToggleInversionPreferenceFragment extends ToggleFeaturePreferenceFragment
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener {
     private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED;
     private static final String QUICK_SETTING_ENABLED =
             Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_QUICK_SETTING_ENABLED;
@@ -68,17 +68,18 @@ public class ToggleInversionPreferenceFragment extends ToggleFeaturePreferenceFr
     }
 
     @Override
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
-        super.onInstallActionBarToggleSwitch();
+        super.onInstallSwitchBarToggleSwitch();
 
         mToggleSwitch.setCheckedInternal(
                 Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
-        mToggleSwitch.setOnCheckedChangeListener(new OnCheckedChangeListener() {
+        mSwitchBar.addOnSwitchChangeListener(this);
-            @Override
-            public void onCheckedChanged(CompoundButton button, boolean checked) {
-                onPreferenceToggled(mPreferenceKey, checked);
     }
-        });
+
+    @Override
+    protected void onRemoveSwitchBarToggleSwitch() {
+        super.onRemoveSwitchBarToggleSwitch();
+        mSwitchBar.removeOnSwitchChangeListener(this);
     }
 
     private void initPreferences() {
@@ -86,4 +87,9 @@ public class ToggleInversionPreferenceFragment extends ToggleFeaturePreferenceFr
                 Settings.Secure.getInt(getContentResolver(), QUICK_SETTING_ENABLED, 0) == 1);
         mEnableQuickSetting.setOnPreferenceChangeListener(this);
     }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        onPreferenceToggled(mPreferenceKey, isChecked);
+    }
 }

src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java

@@ -30,8 +30,8 @@ public class ToggleScreenMagnificationPreferenceFragment
     }
 
     @Override
-    protected void onInstallActionBarToggleSwitch() {
+    protected void onInstallSwitchBarToggleSwitch() {
-        super.onInstallActionBarToggleSwitch();
+        super.onInstallSwitchBarToggleSwitch();
         mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
                 @Override
             public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {

src/com/android/settings/widget/SwitchBar.java

@@ -33,7 +33,7 @@ import java.util.ArrayList;
 
 public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedChangeListener {
 
-    private Switch mSwitch;
+    private ToggleSwitch mSwitch;
     private TextView mTextView;
 
     private ArrayList<OnSwitchChangeListener> mSwitchChangeListeners =
@@ -69,7 +69,7 @@ public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedC
         mTextView = (TextView) findViewById(R.id.switch_text);
         mTextView.setText(R.string.switch_off_text);
 
-        mSwitch = (Switch) findViewById(R.id.switch_widget);
+        mSwitch = (ToggleSwitch) findViewById(R.id.switch_widget);
         mSwitch.setOnCheckedChangeListener(this);
 
         addOnSwitchChangeListener(new OnSwitchChangeListener() {
@@ -86,7 +86,7 @@ public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedC
         setVisibility(View.GONE);
     }
 
-    public Switch getSwitch() {
+    public ToggleSwitch getSwitch() {
         return mSwitch;
     }
 

src/com/android/settings/widget/ToggleSwitch.java

@@ -17,9 +17,11 @@
 package com.android.settings.widget;
 
 import android.content.Context;
+import android.util.AttributeSet;
 import android.widget.Switch;
 
 public class ToggleSwitch extends Switch {
+
     private ToggleSwitch.OnBeforeCheckedChangeListener mOnBeforeListener;
 
     public static interface OnBeforeCheckedChangeListener {
@@ -30,6 +32,18 @@ public class ToggleSwitch extends Switch {
         super(context);
     }
 
+    public ToggleSwitch(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public ToggleSwitch(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
     public void setOnBeforeCheckedChangeListener(OnBeforeCheckedChangeListener listener) {
         mOnBeforeListener = listener;
     }