Add support for AndroidX preferences (#1971)

* Add stubs for AndroidX preferences

* Update extensions for AndroidX preferences

lib/preference-stub/src/main/java/androidx/preference/DialogPreference.java

@@ -0,0 +1,21 @@
+package androidx.preference;
+
+public abstract class DialogPreference extends Preference {
+
+    public CharSequence getDialogTitle() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setDialogTitle(CharSequence dialogTitle) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public CharSequence getDialogMessage() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setDialogMessage(CharSequence dialogMessage) {
+        throw new RuntimeException("Stub!");
+    }
+
+}

lib/preference-stub/src/main/java/androidx/preference/EditTextPreference.java

@@ -0,0 +1,19 @@
+package androidx.preference;
+
+import android.content.Context;
+
+public class EditTextPreference extends DialogPreference {
+
+    public EditTextPreference(Context context) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public String getText() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setText(String text) {
+        throw new RuntimeException("Stub!");
+    }
+
+}

lib/preference-stub/src/main/java/androidx/preference/ListPreference.java

@@ -0,0 +1,43 @@
+package androidx.preference;
+
+import android.content.Context;
+
+public class ListPreference extends Preference {
+
+    public ListPreference(Context context) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public CharSequence[] getEntries() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setEntries(CharSequence[] entries) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public int findIndexOfValue(String value) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public CharSequence[] getEntryValues() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setEntryValues(CharSequence[] entryValues) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setValueIndex(int index) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public String getValue() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setValue(String value) {
+        throw new RuntimeException("Stub!");
+    }
+
+}

lib/preference-stub/src/main/java/androidx/preference/Preference.java

@@ -0,0 +1,49 @@
+package androidx.preference;
+
+public class Preference {
+
+    public void setOnPreferenceChangeListener(OnPreferenceChangeListener onPreferenceChangeListener) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setOnPreferenceClickListener(OnPreferenceClickListener onPreferenceClickListener) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public CharSequence getTitle() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setTitle(CharSequence title) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public CharSequence getSummary() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setSummary(CharSequence summary) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public String getKey() {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setKey(String key) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public void setDefaultValue(Object defaultValue) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public interface OnPreferenceChangeListener {
+        boolean onPreferenceChange(Preference preference, Object newValue);
+    }
+
+    public interface OnPreferenceClickListener {
+        boolean onPreferenceClick(Preference preference);
+    }
+
+}

lib/preference-stub/src/main/java/androidx/preference/PreferenceScreen.java

@@ -0,0 +1,15 @@
+package androidx.preference;
+
+import android.content.Context;
+
+public class PreferenceScreen {
+
+    public boolean addPreference(Preference preference) {
+        throw new RuntimeException("Stub!");
+    }
+
+    public Context getContext() {
+        throw new RuntimeException("Stub!");
+    }
+
+}