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.example.android.jobscheduler;
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.example.android.jobscheduler.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.sample_main);
53         Resources res = getResources();
54         defaultColor = res.getColor(R.color.none_received);
55         startJobColor = res.getColor(R.color.start_received);
56         stopJobColor = res.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         mServiceComponent = new ComponentName(this, TestJobService.class);
69         // Start service and provide it a way to communicate with us.
70         Intent startServiceIntent = new Intent(this, TestJobService.class);
71         startServiceIntent.putExtra("messenger", new Messenger(mHandler));
72         startService(startServiceIntent);
73     }
74     // UI fields.
75     int defaultColor;
76     int startJobColor;
77     int stopJobColor;
78 
79     private TextView mShowStartView;
80     private TextView mShowStopView;
81     private TextView mParamsTextView;
82     private EditText mDelayEditText;
83     private EditText mDeadlineEditText;
84     private RadioButton mWiFiConnectivityRadioButton;
85     private RadioButton mAnyConnectivityRadioButton;
86     private CheckBox mRequiresChargingCheckBox;
87     private CheckBox mRequiresIdleCheckbox;
88 
89     ComponentName mServiceComponent;
90     /** Service object to interact scheduled jobs. */
91     TestJobService mTestService;
92 
93     private static int kJobId = 0;
94 
95     Handler mHandler = new Handler(/* default looper */) {
96         @Override
97         public void handleMessage(Message msg) {
98             switch (msg.what) {
99                 case MSG_UNCOLOUR_START:
100                     mShowStartView.setBackgroundColor(defaultColor);
101                     break;
102                 case MSG_UNCOLOUR_STOP:
103                     mShowStopView.setBackgroundColor(defaultColor);
104                     break;
105                 case MSG_SERVICE_OBJ:
106                     mTestService = (TestJobService) msg.obj;
107                     mTestService.setUiCallback(MainActivity.this);
108             }
109         }
110     };
111 
ensureTestService()112     private boolean ensureTestService() {
113         if (mTestService == null) {
114             Toast.makeText(MainActivity.this, "Service null, never got callback?",
115                     Toast.LENGTH_SHORT).show();
116             return false;
117         }
118         return true;
119     }
120 
121     /**
122      * UI onclick listener to schedule a job. What this job is is defined in
123      * TestJobService#scheduleJob().
124      */
scheduleJob(View v)125     public void scheduleJob(View v) {
126         if (!ensureTestService()) {
127             return;
128         }
129 
130         JobInfo.Builder builder = new JobInfo.Builder(kJobId++, mServiceComponent);
131 
132         String delay = mDelayEditText.getText().toString();
133         if (delay != null && !TextUtils.isEmpty(delay)) {
134             builder.setMinimumLatency(Long.valueOf(delay) * 1000);
135         }
136         String deadline = mDeadlineEditText.getText().toString();
137         if (deadline != null && !TextUtils.isEmpty(deadline)) {
138             builder.setOverrideDeadline(Long.valueOf(deadline) * 1000);
139         }
140         boolean requiresUnmetered = mWiFiConnectivityRadioButton.isChecked();
141         boolean requiresAnyConnectivity = mAnyConnectivityRadioButton.isChecked();
142         if (requiresUnmetered) {
143             builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED);
144         } else if (requiresAnyConnectivity) {
145             builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY);
146         }
147         builder.setRequiresDeviceIdle(mRequiresIdleCheckbox.isChecked());
148         builder.setRequiresCharging(mRequiresChargingCheckBox.isChecked());
149 
150         mTestService.scheduleJob(builder.build());
151 
152     }
153 
cancelAllJobs(View v)154     public void cancelAllJobs(View v) {
155         JobScheduler tm =
156                 (JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
157         tm.cancelAll();
158     }
159 
160     /**
161      * UI onclick listener to call jobFinished() in our service.
162      */
finishJob(View v)163     public void finishJob(View v) {
164         if (!ensureTestService()) {
165             return;
166         }
167         mTestService.callJobFinished();
168         mParamsTextView.setText("");
169     }
170 
171     /**
172      * Receives callback from the service when a job has landed
173      * on the app. Colours the UI and post a message to
174      * uncolour it after a second.
175      */
onReceivedStartJob(JobParameters params)176     public void onReceivedStartJob(JobParameters params) {
177         mShowStartView.setBackgroundColor(startJobColor);
178         Message m = Message.obtain(mHandler, MSG_UNCOLOUR_START);
179         mHandler.sendMessageDelayed(m, 1000L); // uncolour in 1 second.
180         mParamsTextView.setText("Executing: " + params.getJobId() + " " + params.getExtras());
181     }
182 
183     /**
184      * Receives callback from the service when a job that
185      * previously landed on the app must stop executing.
186      * Colours the UI and post a message to uncolour it after a
187      * second.
188      */
onReceivedStopJob()189     public void onReceivedStopJob() {
190         mShowStopView.setBackgroundColor(stopJobColor);
191         Message m = Message.obtain(mHandler, MSG_UNCOLOUR_STOP);
192         mHandler.sendMessageDelayed(m, 2000L); // uncolour in 1 second.
193         mParamsTextView.setText("");
194     }
195 }
196