/* * Copyright (C) 2014 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.baidu.paddle.lite.demo.ocr; import android.content.res.Configuration; import android.os.Bundle; import android.preference.PreferenceActivity; import android.view.MenuInflater; import android.view.View; import android.view.ViewGroup; import androidx.annotation.LayoutRes; import androidx.annotation.Nullable; import androidx.appcompat.app.ActionBar; import androidx.appcompat.app.AppCompatDelegate; import androidx.appcompat.widget.Toolbar; /** * A {@link PreferenceActivity} which implements and proxies the necessary calls * to be used with AppCompat. *
* This technique can be used with an {@link android.app.Activity} class, not just * {@link PreferenceActivity}. */ 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 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; } }