Java tutorial
/* * Copyright (C) 2017 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 org.chromium.latency.walt; import android.os.Build; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; /** * A screen that shows information about WALT. */ public class AboutFragment extends Fragment { public AboutFragment() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment return inflater.inflate(R.layout.fragment_about, container, false); } @Override public void onResume() { super.onResume(); TextView textView = (TextView) getActivity().findViewById(R.id.txt_build_info); String text = String.format("WALT v%s (versionCode=%d)\n", BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE); text += "WALT protocol version: " + WaltDevice.PROTOCOL_VERSION + "\n"; text += "Android Build ID: " + Build.DISPLAY + "\n"; text += "Android API Level: " + Build.VERSION.SDK_INT + "\n"; text += "Android OS Version: " + System.getProperty("os.version"); textView.setText(text); } }