| package com.example.johnnysun.myapplication; |
| |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| import android.preference.PreferenceActivity; |
| import android.support.annotation.LayoutRes; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.support.v7.app.ActionBar; |
| import android.support.v7.app.AppCompatDelegate; |
| import android.support.v7.widget.Toolbar; |
| import android.view.MenuInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| /** |
| * A {@link android.preference.PreferenceActivity} which implements and proxies the necessary calls |
| * to be used with AppCompat. |
| */ |
| 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; |
| } |
| } |