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 cn.tofly.mis.waterusermanager.common.tools; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; /** * 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(FragmentManager fragmentManager, Fragment fragment, int frameId) { FragmentTransaction transaction = fragmentManager.beginTransaction(); transaction.add(frameId, fragment); transaction.commit(); } /** * ?Activity * * @param context * @param clazz * @param bundle */ public static void startActivity(Activity context, Class clazz, Bundle bundle) { if (context != null) { try { Intent intent = new Intent(context, clazz); intent.putExtra("bundle", bundle); context.startActivity(intent); } catch (ActivityNotFoundException e) { e.printStackTrace(); } } } }