1 /*
2  * Copyright 2013 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.android.demo.jobSchedulerApp;
18 
19 import android.app.Activity;
20 import android.app.job.JobInfo;
21 import android.app.job.JobParameters;
22 import android.app.job.JobScheduler;
23 import android.content.ComponentName;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.content.res.Resources;
27 import android.os.Bundle;
28 import android.os.Handler;
29 import android.os.Message;
30 import android.os.Messenger;
31 import android.text.TextUtils;
32 import android.view.View;
33 import android.widget.CheckBox;
34 import android.widget.EditText;
35 import android.widget.RadioButton;
36 import android.widget.TextView;
37 import android.widget.Toast;
38 
39 import com.android.demo.jobSchedulerApp.service.TestJobService;
40 
41 public class MainActivity extends Activity {
42 
43     private static final String TAG = "MainActivity";
44 
45     public static final int MSG_UNCOLOUR_START = 0;
46     public static final int MSG_UNCOLOUR_STOP = 1;
47     public static final int MSG_SERVICE_OBJ = 2;
48 
49     @Override
onCreate(Bundle savedInstanceState)50     public void onCreate(Bundle savedInstanceState) {
51         super.onCreate(savedInstanceState);
52         setContentView(R.layout.activity_main);
53         Resources res = getResources();
54         defaultColor = getColor(R.color.none_received);
55         startJobColor = getColor(R.color.start_received);
56         stopJobColor = getColor(R.color.stop_received);
57 
58         // Set up UI.
59         mShowStartView = (TextView) findViewById(R.id.onstart_textview);
60         mShowStopView = (TextView) findViewById(R.id.onstop_textview);
61         mParamsTextView = (TextView) findViewById(R.id.task_params);
62         mDelayEditText = (EditText) findViewById(R.id.delay_time);
63         mDeadlineEditText = (EditText) findViewById(R.id.deadline_time);
64         mWiFiConnectivityRadioButton = (RadioButton) findViewById(R.id.checkbox_unmetered);
65         mAnyConnectivityRadioButton = (RadioButton) findViewById(R.id.checkbox_any);
66         mRequiresChargingCheckBox = (CheckBox) findViewById(R.id.checkbox_charging);
67         mRequiresIdleCheckbox = (CheckBox) findViewById(R.id.checkbox_idle);
68         mIsPersistedCheckbox = (CheckBox) findViewById(R.id.checkbox_persisted);
69 
70         mServiceComponent = new ComponentName(this, TestJobService.class);
71         // Start service and provide it a way to communicate with us.
72         Intent startServiceIntent = new Intent(this, TestJobService.class);
73         startServiceIntent.putExtra("messenger", new Messenger(mHandler));
74         startService(startServiceIntent);
75     }
76     // UI fields.
77     int defaultColor;
78     int startJobColor;
79     int stopJobColor;
80 
81     TextView mShowStartView;
82     TextView mShowStopView;
83     TextView mParamsTextView;
84     EditText mDelayEditText;
85     EditText mDeadlineEditText;
86     RadioButton mWiFiConnectivityRadioButton;
87     RadioButton mAnyConnectivityRadioButton;
88     CheckBox mRequiresChargingCheckBox;
89     CheckBox mRequiresIdleCheckbox;
90     CheckBox mIsPersistedCheckbox;
91 
92     ComponentName mServiceComponent;
93     /** Service object to interact scheduled jobs. */
94     TestJobService mTestService;
95 
96     private static int kJobId = 0;
97 
98     Handler mHandler = new Handler(/* default looper */) {
99         @Override
100         public void handleMessage(Message msg) {
101             switch (msg.what) {
102                 case MSG_UNCOLOUR_START:
103                     mShowStartView.setBackgroundColor(defaultColor);
104                     break;
105                 case MSG_UNCOLOUR_STOP:
106                     mShowStopView.setBackgroundColor(defaultColor);
107                     break;
108                 case MSG_SERVICE_OBJ:
109                     mTestService = (TestJobService) msg.obj;
110                     mTestService.setUiCallback(MainActivity.this);
111             }
112         }
113     };
114 
ensureTestService()115     private boolean ensureTestService() {
116         if (mTestService == null) {
117             Toast.makeText(MainActivity.this, "Service null, never got callback?",
118                     Toast.LENGTH_SHORT).show();
119             return false;
120         }
121         return true;
122     }
123 
124     /**
125      * UI onclick listener to schedule a job. What this job is is defined in
126      * TestJobService#scheduleJob()
127      */
scheduleJob(View v)128     public void scheduleJob(View v) {
129         if (!ensureTestService()) {
130             return;
131         }
132 
133         JobInfo.Builder builder = new JobInfo.Builder(kJobId++, mServiceComponent);
134 
135         String delay = mDelayEditText.getText().toString();
136         if (delay != null && !TextUtils.isEmpty(delay)) {
137             builder.setMinimumLatency(Long.valueOf(delay) * 1000);
138         }
139         String deadline = mDeadlineEditText.getText().toString();
140         if (deadline != null && !TextUtils.isEmpty(deadline)) {
141             builder.setOverrideDeadline(Long.valueOf(deadline) * 1000);
142         }
143         boolean requiresUnmetered = mWiFiConnectivityRadioButton.isChecked();
144         boolean requiresAnyConnectivity = mAnyConnectivityRadioButton.isChecked();
145         if (requiresUnmetered) {
146             builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED);
147         } else if (requiresAnyConnectivity) {
148             builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY);
149         }
150         builder.setRequiresDeviceIdle(mRequiresIdleCheckbox.isChecked());
151         builder.setRequiresCharging(mRequiresChargingCheckBox.isChecked());
152         builder.setPersisted(mIsPersistedCheckbox.isChecked());
153         mTestService.scheduleJob(builder.build());
154 
155     }
156 
cancelAllJobs(View v)157     public void cancelAllJobs(View v) {
158         JobScheduler tm =
159                 (JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
160         tm.cancelAll();
161     }
162 
163     /**
164      * UI onclick listener to call jobFinished() in our service.
165      */
finishJob(View v)166     public void finishJob(View v) {
167         if (!ensureTestService()) {
168             return;
169         }
170         mTestService.callJobFinished();
171         mParamsTextView.setText("");
172     }
173 
onReceivedStartJob(JobParameters params)174     public void onReceivedStartJob(JobParameters params) {
175         mShowStartView.setBackgroundColor(startJobColor);
176         Message m = Message.obtain(mHandler, MSG_UNCOLOUR_START);
177         mHandler.sendMessageDelayed(m, 1000L); // uncolour in 1 second.
178         mParamsTextView.setText("Executing: " + params.getJobId() + " " + params.getExtras());
179     }
180 
onReceivedStopJob()181     public void onReceivedStopJob() {
182         mShowStopView.setBackgroundColor(stopJobColor);
183         Message m = Message.obtain(mHandler, MSG_UNCOLOUR_STOP);
184         mHandler.sendMessageDelayed(m, 2000L); // uncolour in 1 second.
185         mParamsTextView.setText("");
186     }
187 }
188