Java tutorial
/* * Copyright 2016 Dimitry Ivanov (mail@dimitryivanov.ru) * * 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 ru.noties.sbv.sample; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.app.AppCompatActivity; import android.text.TextUtils; import android.view.Window; import ru.noties.debug.Debug; public class SampleActivity extends AppCompatActivity { private static final String ARG_FRAGMENT = "arg.Fragment"; public static Intent makeIntent(Context context, String fragmentClassName) { final Intent intent = new Intent(context, SampleActivity.class); intent.putExtra(ARG_FRAGMENT, fragmentClassName); return intent; } @Override public void onCreate(Bundle sis) { super.onCreate(sis); final Fragment fragment = fragment(); if (fragment != null) { getSupportFragmentManager().beginTransaction().replace(Window.ID_ANDROID_CONTENT, fragment) .commitAllowingStateLoss(); } else { finish(); } } private Fragment fragment() { final String name = getIntent().getStringExtra(ARG_FRAGMENT); if (!TextUtils.isEmpty(name)) { try { final Class<?> cl = Class.forName(name); return (Fragment) cl.newInstance(); } catch (Throwable t) { Debug.e(t); } } return null; } }