1 /* 2 * Copyright (C) 2017 The Android Open Source Project 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 17 package com.example.android.supportv4.app; 18 19 //BEGIN_INCLUDE(complete) 20 21 import android.content.Context; 22 import android.content.Intent; 23 import android.os.Handler; 24 import android.os.SystemClock; 25 import android.util.Log; 26 import android.widget.Toast; 27 28 import androidx.core.app.JobIntentService; 29 30 /** 31 * Example implementation of a JobIntentService. 32 */ 33 public class SimpleJobIntentService extends JobIntentService { 34 /** 35 * Unique job ID for this service. 36 */ 37 static final int JOB_ID = 1000; 38 39 /** 40 * Convenience method for enqueuing work in to this service. 41 */ 42 static void enqueueWork(Context context, Intent work) { 43 enqueueWork(context, SimpleJobIntentService.class, JOB_ID, work); 44 } 45 46 @Override 47 protected void onHandleWork(Intent intent) { 48 // We have received work to do. The system or framework is already 49 // holding a wake lock for us at this point, so we can just go. 50 Log.i("SimpleJobIntentService", "Executing work: " + intent); 51 String label = intent.getStringExtra("label"); 52 if (label == null) { 53 label = intent.toString(); 54 } 55 toast("Executing: " + label); 56 for (int i = 0; i < 5; i++) { 57 Log.i("SimpleJobIntentService", "Running service " + (i + 1) 58 + "/5 @ " + SystemClock.elapsedRealtime()); 59 try { 60 Thread.sleep(1000); 61 } catch (InterruptedException e) { 62 } 63 } 64 Log.i("SimpleJobIntentService", "Completed service @ " + SystemClock.elapsedRealtime()); 65 } 66 67 @Override 68 public void onDestroy() { 69 super.onDestroy(); 70 toast("All work complete"); 71 } 72 73 final Handler mHandler = new Handler(); 74 75 // Helper for showing tests 76 void toast(final CharSequence text) { 77 mHandler.post(new Runnable() { 78 @Override public void run() { 79 Toast.makeText(SimpleJobIntentService.this, text, Toast.LENGTH_SHORT).show(); 80 } 81 }); 82 } 83 } 84 //END_INCLUDE(complete) 85
