1 /* 2 * Copyright (C) 2017. Uber Technologies 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.uber.myapplication; 17 18 import android.os.Bundle; 19 import android.support.annotation.NonNull; 20 import android.support.annotation.Nullable; 21 import android.support.v7.app.AppCompatActivity; 22 import org.utilities.StringUtils; 23 24 /** Sample activity. */ 25 @SuppressWarnings("UnusedVariable") // This is sample code 26 public class MainActivity extends AppCompatActivity { 27 @NonNull private Object mOnCreateInitialiedField; 28 29 @Override onCreate(Bundle savedInstanceState)30 protected void onCreate(Bundle savedInstanceState) { 31 super.onCreate(savedInstanceState); 32 setContentView(R.layout.activity_main); 33 mOnCreateInitialiedField = new Object(); 34 // uncomment to show that NullAway is actually running 35 // Object x = null; 36 // x.hashCode(); 37 } 38 checkModel(@ullable String s)39 static int checkModel(@Nullable String s) { 40 if (!StringUtils.isEmptyOrNull(s)) { 41 return s.hashCode(); 42 } 43 return 0; 44 } 45 } 46