Add an interface and activity to InputMethodSettings library

Bug: 4979539
Change-Id: I81aeb8df2f37b1c2f7f48d48e87aa7fe94fea11c
diff --git a/java/InputMethodSettingsFragment.java b/java/InputMethodSettingsFragment.java
deleted file mode 100644
index 057cd5e..0000000
--- a/java/InputMethodSettingsFragment.java
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.inputmethodcommon;
-
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.preference.Preference;
-import android.preference.Preference.OnPreferenceClickListener;
-import android.preference.PreferenceCategory;
-import android.preference.PreferenceFragment;
-import android.preference.PreferenceScreen;
-import android.provider.Settings;
-import android.text.TextUtils;
-import android.view.inputmethod.InputMethodInfo;
-import android.view.inputmethod.InputMethodManager;
-import android.view.ViewGroup;
-
-import java.util.List;
-
-/**
- * This is a helper class for an IME's settings preference fragment. It's recommended for every
- * IME to have its own settings preference fragment which inherits this class.
- */
-public abstract class InputMethodSettingsFragment extends PreferenceFragment {
-    private PreferenceCategory mInputMethodSettingsCategory;
-    private Preference mSubtypeEnablerPreference;
-    private int mInputMethodSettingsCategoryTitleRes;
-    private CharSequence mInputMethodSettingsCategoryTitle;
-    private int mSubtypeEnablerTitleRes;
-    private CharSequence mSubtypeEnablerTitle;
-    private int mSubtypeEnablerSummaryRes;
-    private CharSequence mSubtypeEnablerSummary;
-    private int mSubtypeEnablerIconRes;
-    private Drawable mSubtypeEnablerIcon;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        final Context context = getActivity();
-        final InputMethodManager imm =
-                (InputMethodManager) context.getSystemService(
-                        Context.INPUT_METHOD_SERVICE);
-        final InputMethodInfo imi = getMyImi(imm);
-        if (imi != null && imi.getSubtypeCount() > 1) {
-            mInputMethodSettingsCategory = new PreferenceCategory(context);
-            mSubtypeEnablerPreference = new Preference(context);
-            mSubtypeEnablerPreference
-                    .setOnPreferenceClickListener(new OnPreferenceClickListener() {
-                        @Override
-                        public boolean onPreferenceClick(Preference preference) {
-                            final Intent intent = new Intent(
-                                    Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
-                            intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, imi.getId());
-                            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
-                                    | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
-                                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
-                            startActivity(intent);
-                            return true;
-                        }
-                    });
-            setPreferenceScreen(getPreferenceManager().createPreferenceScreen(context));
-            getPreferenceScreen().addPreference(mInputMethodSettingsCategory);
-            mInputMethodSettingsCategory.addPreference(mSubtypeEnablerPreference);
-        }
-        updateSubtypeEnabler();
-    }
-
-    private InputMethodInfo getMyImi(InputMethodManager imm) {
-        final List<InputMethodInfo> imis = imm.getInputMethodList();
-        for (int i = 0; i < imis.size(); ++i) {
-            final InputMethodInfo imi = imis.get(i);
-            if (imis.get(i).getPackageName().equals(getActivity().getPackageName())) {
-                return imi;
-            }
-        }
-        return null;
-    }
-
-    /**
-     * Sets the title for the input method settings category with a resource ID.
-     * @param resId The resource ID of the title.
-     */
-    public void setInputMethodSettingsCategoryTitle(int resId) {
-        mInputMethodSettingsCategoryTitleRes = resId;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the title for the input method settings category with a CharSequence.
-     * @param title The title for this preference.
-     */
-    public void setInputMethodSettingsCategoryTitle(CharSequence title) {
-        mInputMethodSettingsCategoryTitleRes = 0;
-        mInputMethodSettingsCategoryTitle = title;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the title for the input method enabler preference for launching subtype enabler with a
-     * resource ID.
-     * @param resId The resource ID of the title.
-     */
-    public void setSubtypeEnablerTitle(int resId) {
-        mSubtypeEnablerTitleRes = resId;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the title for the input method enabler preference for launching subtype enabler with a
-     * CharSequence.
-     * @param title The title for this preference.
-     */
-    public void setSubtypeEnablerTitle(CharSequence title) {
-        mSubtypeEnablerTitleRes = 0;
-        mSubtypeEnablerTitle = title;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
-     * resource ID.
-     * @param resId The resource id of the summary for the preference.
-     */
-    public void setSubtypeEnablerSummary(int resId) {
-        mSubtypeEnablerSummaryRes = resId;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
-     * CharSequence.
-     * @param summary The summary of the preference.
-     */
-    public void setSubtypeEnablerSummary(CharSequence summary) {
-        mSubtypeEnablerSummaryRes = 0;
-        mSubtypeEnablerSummary = summary;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the icon for the preference for launching subtype enabler with a resource ID.
-     * @param resId The resource id of an optional icon for the preference.
-     */
-    public void setSubtypeEnablerIcon(int resId) {
-        mSubtypeEnablerIconRes = resId;
-        updateSubtypeEnabler();
-    }
-
-    /**
-     * Sets the icon for the Preference for launching subtype enabler with a Drawable.
-     * @param drawable The drawable of an optional icon for the preference.
-     */
-    public void setSubtypeEnablerIcon(Drawable drawable) {
-        mSubtypeEnablerIconRes = 0;
-        mSubtypeEnablerIcon = drawable;
-        updateSubtypeEnabler();
-    }
-
-    private void updateSubtypeEnabler() {
-        if (mSubtypeEnablerPreference != null) {
-            if (mSubtypeEnablerTitleRes != 0) {
-                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitleRes);
-            } else if (!TextUtils.isEmpty(mSubtypeEnablerTitle)) {
-                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitle);
-            }
-            if (mSubtypeEnablerSummaryRes != 0) {
-                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummaryRes);
-            } else if (!TextUtils.isEmpty(mSubtypeEnablerSummary)) {
-                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummary);
-            }
-            if (mSubtypeEnablerIconRes != 0) {
-                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIconRes);
-            } else if (mSubtypeEnablerIcon != null) {
-                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIcon);
-            }
-        }
-        if (mInputMethodSettingsCategory != null) {
-            if (mInputMethodSettingsCategoryTitleRes != 0) {
-                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitleRes);
-            } else if (!TextUtils.isEmpty(mInputMethodSettingsCategoryTitle)) {
-                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitle);
-            }
-        }
-    }
-}
diff --git a/java/com/android/inputmethodcommon/InputMethodSettingsActivity.java b/java/com/android/inputmethodcommon/InputMethodSettingsActivity.java
new file mode 100644
index 0000000..f7d00e1
--- /dev/null
+++ b/java/com/android/inputmethodcommon/InputMethodSettingsActivity.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.inputmethodcommon;
+
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.preference.PreferenceActivity;
+
+/**
+ * This is a helper class for an IME's settings preference activity. It's recommended for every
+ * IME to have its own settings preference activity which inherits this class.
+ */
+public abstract class InputMethodSettingsActivity extends PreferenceActivity
+        implements InputMethodSettingsInterface {
+    private final InputMethodSettingsImpl mSettings = new InputMethodSettingsImpl();
+    @SuppressWarnings("deprecation")
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setPreferenceScreen(getPreferenceManager().createPreferenceScreen(this));
+        mSettings.init(this, getPreferenceScreen());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(int resId) {
+        mSettings.setInputMethodSettingsCategoryTitle(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(CharSequence title) {
+        mSettings.setInputMethodSettingsCategoryTitle(title);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(int resId) {
+        mSettings.setSubtypeEnablerTitle(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(CharSequence title) {
+        mSettings.setSubtypeEnablerTitle(title);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(int resId) {
+        mSettings.setSubtypeEnablerSummary(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(CharSequence summary) {
+        mSettings.setSubtypeEnablerSummary(summary);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(int resId) {
+        mSettings.setSubtypeEnablerIcon(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(Drawable drawable) {
+        mSettings.setSubtypeEnablerIcon(drawable);
+    }
+}
diff --git a/java/com/android/inputmethodcommon/InputMethodSettingsFragment.java b/java/com/android/inputmethodcommon/InputMethodSettingsFragment.java
new file mode 100644
index 0000000..7b5c793
--- /dev/null
+++ b/java/com/android/inputmethodcommon/InputMethodSettingsFragment.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethodcommon;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.preference.PreferenceFragment;
+
+/**
+ * This is a helper class for an IME's settings preference fragment. It's recommended for every
+ * IME to have its own settings preference fragment which inherits this class.
+ */
+public abstract class InputMethodSettingsFragment extends PreferenceFragment
+        implements InputMethodSettingsInterface {
+    private final InputMethodSettingsImpl mSettings = new InputMethodSettingsImpl();
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final Context context = getActivity();
+        setPreferenceScreen(getPreferenceManager().createPreferenceScreen(context));
+        mSettings.init(context, getPreferenceScreen());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(int resId) {
+        mSettings.setInputMethodSettingsCategoryTitle(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(CharSequence title) {
+        mSettings.setInputMethodSettingsCategoryTitle(title);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(int resId) {
+        mSettings.setSubtypeEnablerTitle(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(CharSequence title) {
+        mSettings.setSubtypeEnablerTitle(title);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(int resId) {
+        mSettings.setSubtypeEnablerSummary(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(CharSequence summary) {
+        mSettings.setSubtypeEnablerSummary(summary);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(int resId) {
+        mSettings.setSubtypeEnablerIcon(resId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(Drawable drawable) {
+        mSettings.setSubtypeEnablerIcon(drawable);
+    }
+}
diff --git a/java/com/android/inputmethodcommon/InputMethodSettingsImpl.java b/java/com/android/inputmethodcommon/InputMethodSettingsImpl.java
new file mode 100644
index 0000000..bdd21cf
--- /dev/null
+++ b/java/com/android/inputmethodcommon/InputMethodSettingsImpl.java
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethodcommon;
+
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceCategory;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodManager;
+
+import java.util.List;
+
+/* package private */ class InputMethodSettingsImpl implements InputMethodSettingsInterface {
+    private PreferenceCategory mInputMethodSettingsCategory;
+    private Preference mSubtypeEnablerPreference;
+    private int mInputMethodSettingsCategoryTitleRes;
+    private CharSequence mInputMethodSettingsCategoryTitle;
+    private int mSubtypeEnablerTitleRes;
+    private CharSequence mSubtypeEnablerTitle;
+    private int mSubtypeEnablerSummaryRes;
+    private CharSequence mSubtypeEnablerSummary;
+    private int mSubtypeEnablerIconRes;
+    private Drawable mSubtypeEnablerIcon;
+
+    /**
+     * Initialize internal states of this object.
+     * @param context the context for this application.
+     * @param prefScreen a PreferenceScreen of PreferenceActivity or PreferenceFragment.
+     * @return true if this application is an IME and has two or more subtypes, false otherwise.
+     */
+    public boolean init(final Context context, final PreferenceScreen prefScreen) {
+        final InputMethodManager imm =
+                (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
+        final InputMethodInfo imi = getMyImi(context, imm);
+        if (imi == null || imi.getSubtypeCount() <= 1) {
+            return false;
+        }
+        mInputMethodSettingsCategory = new PreferenceCategory(context);
+        mSubtypeEnablerPreference = new Preference(context);
+        mSubtypeEnablerPreference
+                .setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                    @Override
+                    public boolean onPreferenceClick(Preference preference) {
+                        final Intent intent =
+                                new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS);
+                        intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, imi.getId());
+                        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
+                                | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                        context.startActivity(intent);
+                        return true;
+                    }
+                });
+        prefScreen.addPreference(mInputMethodSettingsCategory);
+        mInputMethodSettingsCategory.addPreference(mSubtypeEnablerPreference);
+        updateSubtypeEnabler();
+        return true;
+    }
+
+    private static InputMethodInfo getMyImi(Context context, InputMethodManager imm) {
+        final List<InputMethodInfo> imis = imm.getInputMethodList();
+        for (int i = 0; i < imis.size(); ++i) {
+            final InputMethodInfo imi = imis.get(i);
+            if (imis.get(i).getPackageName().equals(context.getPackageName())) {
+                return imi;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(int resId) {
+        mInputMethodSettingsCategoryTitleRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setInputMethodSettingsCategoryTitle(CharSequence title) {
+        mInputMethodSettingsCategoryTitleRes = 0;
+        mInputMethodSettingsCategoryTitle = title;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(int resId) {
+        mSubtypeEnablerTitleRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerTitle(CharSequence title) {
+        mSubtypeEnablerTitleRes = 0;
+        mSubtypeEnablerTitle = title;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(int resId) {
+        mSubtypeEnablerSummaryRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerSummary(CharSequence summary) {
+        mSubtypeEnablerSummaryRes = 0;
+        mSubtypeEnablerSummary = summary;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(int resId) {
+        mSubtypeEnablerIconRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void setSubtypeEnablerIcon(Drawable drawable) {
+        mSubtypeEnablerIconRes = 0;
+        mSubtypeEnablerIcon = drawable;
+        updateSubtypeEnabler();
+    }
+
+    private void updateSubtypeEnabler() {
+        if (mSubtypeEnablerPreference != null) {
+            if (mSubtypeEnablerTitleRes != 0) {
+                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitleRes);
+            } else if (!TextUtils.isEmpty(mSubtypeEnablerTitle)) {
+                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitle);
+            }
+            if (mSubtypeEnablerSummaryRes != 0) {
+                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummaryRes);
+            } else if (!TextUtils.isEmpty(mSubtypeEnablerSummary)) {
+                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummary);
+            }
+            if (mSubtypeEnablerIconRes != 0) {
+                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIconRes);
+            } else if (mSubtypeEnablerIcon != null) {
+                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIcon);
+            }
+        }
+        if (mInputMethodSettingsCategory != null) {
+            if (mInputMethodSettingsCategoryTitleRes != 0) {
+                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitleRes);
+            } else if (!TextUtils.isEmpty(mInputMethodSettingsCategoryTitle)) {
+                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitle);
+            }
+        }
+    }
+}
diff --git a/java/com/android/inputmethodcommon/InputMethodSettingsInterface.java b/java/com/android/inputmethodcommon/InputMethodSettingsInterface.java
new file mode 100644
index 0000000..8e0f027
--- /dev/null
+++ b/java/com/android/inputmethodcommon/InputMethodSettingsInterface.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.inputmethodcommon;
+
+import android.graphics.drawable.Drawable;
+
+/**
+ * InputMethodSettingsInterface is the interface for adding IME related preferences to
+ * PreferenceActivity or PreferenceFragment.
+ */
+public interface InputMethodSettingsInterface {
+    /**
+     * Sets the title for the input method settings category with a resource ID.
+     * @param resId The resource ID of the title.
+     */
+    public void setInputMethodSettingsCategoryTitle(int resId);
+
+    /**
+     * Sets the title for the input method settings category with a CharSequence.
+     * @param title The title for this preference.
+     */
+    public void setInputMethodSettingsCategoryTitle(CharSequence title);
+
+    /**
+     * Sets the title for the input method enabler preference for launching subtype enabler with a
+     * resource ID.
+     * @param resId The resource ID of the title.
+     */
+    public void setSubtypeEnablerTitle(int resId);
+
+    /**
+     * Sets the title for the input method enabler preference for launching subtype enabler with a
+     * CharSequence.
+     * @param title The title for this preference.
+     */
+    public void setSubtypeEnablerTitle(CharSequence title);
+
+    /**
+     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
+     * resource ID.
+     * @param resId The resource id of the summary for the preference.
+     */
+    public void setSubtypeEnablerSummary(int resId);
+
+    /**
+     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
+     * CharSequence.
+     * @param summary The summary of the preference.
+     */
+    public void setSubtypeEnablerSummary(CharSequence summary);
+
+    /**
+     * Sets the icon for the preference for launching subtype enabler with a resource ID.
+     * @param resId The resource id of an optional icon for the preference.
+     */
+    public void setSubtypeEnablerIcon(int resId);
+
+    /**
+     * Sets the icon for the Preference for launching subtype enabler with a Drawable.
+     * @param drawable The drawable of an optional icon for the preference.
+     */
+    public void setSubtypeEnablerIcon(Drawable drawable);
+}