Java tutorial
/* * Copyright 2016, 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.demo.craftscc.core.utils; import android.app.Activity; import android.content.Context; import android.os.Build; import android.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.view.Window; import android.view.WindowManager; import com.demo.craftscc.R; /** * This provides methods to help Activities load their UI. */ public class ActivityUtils { /** * The {@code fragment} is added to the container view with id {@code frameId}. The operation is * performed by the {@code fragmentManager}. */ public static void addFragmentToActivity(@NonNull FragmentManager fragmentManager, @NonNull Fragment fragment, int frameId) { FragmentTransaction transaction = fragmentManager.beginTransaction(); transaction.add(frameId, fragment); transaction.commit(); } public static void setStatusBarColor(Context mContext, int mStatusBarColor) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { Window window = ((Activity) mContext).getWindow(); window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); window.setStatusBarColor(mContext.getResources().getColor(R.color.bg_gray)); } } }