AppCompatPreferenceActivity.java

package com.freerdp.freerdpcore.utils;
 
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import androidx.annotation.Nullable;
import androidx.annotation.NonNull;
import androidx.annotation.LayoutRes;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatDelegate;
import androidx.appcompat.widget.Toolbar;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
 
public abstract class AppCompatPreferenceActivity extends PreferenceActivity
{
 
  private AppCompatDelegate mDelegate;
 
  @Override protected void onCreate(Bundle savedInstanceState)
  {
    getDelegate().installViewFactory();
    getDelegate().onCreate(savedInstanceState);
    super.onCreate(savedInstanceState);
  }
 
  @Override protected void onPostCreate(Bundle savedInstanceState)
  {
    super.onPostCreate(savedInstanceState);
    getDelegate().onPostCreate(savedInstanceState);
  }
 
  public ActionBar getSupportActionBar()
  {
    return getDelegate().getSupportActionBar();
  }
 
  public void setSupportActionBar(@Nullable Toolbar toolbar)
  {
    getDelegate().setSupportActionBar(toolbar);
  }
 
  @Override @NonNull public MenuInflater getMenuInflater()
  {
    return getDelegate().getMenuInflater();
  }
 
  @Override public void setContentView(@LayoutRes int layoutResID)
  {
    getDelegate().setContentView(layoutResID);
  }
 
  @Override public void setContentView(View view)
  {
    getDelegate().setContentView(view);
  }
 
  @Override public void setContentView(View view, ViewGroup.LayoutParams params)
  {
    getDelegate().setContentView(view, params);
  }
 
  @Override public void addContentView(View view, ViewGroup.LayoutParams params)
  {
    getDelegate().addContentView(view, params);
  }
 
  @Override protected void onPostResume()
  {
    super.onPostResume();
    getDelegate().onPostResume();
  }
 
  @Override protected void onTitleChanged(CharSequence title, int color)
  {
    super.onTitleChanged(title, color);
    getDelegate().setTitle(title);
  }
 
  @Override public void onConfigurationChanged(Configuration newConfig)
  {
    super.onConfigurationChanged(newConfig);
    getDelegate().onConfigurationChanged(newConfig);
  }
 
  @Override protected void onStop()
  {
    super.onStop();
    getDelegate().onStop();
  }
 
  @Override protected void onDestroy()
  {
    super.onDestroy();
    getDelegate().onDestroy();
  }
 
  public void invalidateOptionsMenu()
  {
    getDelegate().invalidateOptionsMenu();
  }
 
  private AppCompatDelegate getDelegate()
  {
    if (mDelegate == null)
    {
      mDelegate = AppCompatDelegate.create(this, null);
    }
    return mDelegate;
  }
}
public abstract class AppCompatPreferenceActivity extends PreferenceActivity {…};