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API 26, reworked to remove service and limits
uses an alarm now. Should use a job scheduler, but haven't learn it yet.
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69 changes: 34 additions & 35 deletions
69
BroadcastBoot/app/src/main/java/edu/cs4730/broadcastboot/MainActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,72 +1,71 @@ | ||
| package edu.cs4730.broadcastboot; | ||
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| import android.app.ActivityManager; | ||
| import android.app.ActivityManager.RunningServiceInfo; | ||
| import android.app.NotificationChannel; | ||
| import android.app.NotificationManager; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
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| import android.graphics.Color; | ||
| import android.os.Bundle; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.util.Log; | ||
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| /* | ||
| * This example sets a receiver to a boot message and then makes sure that it's service | ||
| * is running on start up. | ||
| * This example sets a receiver to a boot message to a receiver. | ||
| * the receiver then sets an alarm for X minutes. X is set in the receiver. | ||
| * | ||
| * services are hard to keep running in the background in API 26, so alarms were used for this | ||
| * example. It should be a scheduled job, when I have time to learn ithem. | ||
| */ | ||
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| public class MainActivity extends AppCompatActivity { | ||
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| public static final String ACTION = "edu.cs4730.broadcastboot.myAction"; | ||
| MainFragment mFragment; | ||
| final String TAG = "MainActivity"; | ||
| public static String id = "test_channel_01"; | ||
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| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_main); | ||
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| String info = "Nothing"; | ||
| Bundle extras = getIntent().getExtras(); | ||
| if (extras != null) { | ||
| info = extras.getString("mText"); | ||
| } | ||
| Log.wtf(TAG, "info is " + info); | ||
| mFragment = MainFragment.newInstance(info); | ||
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| if (savedInstanceState == null) { | ||
| getSupportFragmentManager().beginTransaction() | ||
| .add(R.id.container, mFragment).commit(); | ||
| } | ||
| //if my service is not running, start it. for testing, before rebooting emulators... so much fun... | ||
| if (!isMyServiceRunning(MyService.class)) { | ||
| //not running, start it. | ||
| Intent i = new Intent(getBaseContext(), MyService.class); | ||
| startService(i); | ||
| Log.v(TAG, "Started service"); | ||
| } | ||
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| Log.v(TAG, "started up: " + info); | ||
| } | ||
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| private boolean isMyServiceRunning(Class<?> serviceClass) { | ||
| ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE); | ||
| for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) { | ||
| if (serviceClass.getName().equals(service.service.getClassName())) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| createchannel(); | ||
| } | ||
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| @Override | ||
| protected void onNewIntent(Intent intent) { | ||
| super.onNewIntent(intent); | ||
| String info = "Nothing"; | ||
| Bundle extras = getIntent().getExtras(); | ||
| if (extras != null) { | ||
| /* | ||
| * for API 26+ create notification channels | ||
| */ | ||
| private void createchannel() { | ||
| if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) { | ||
| NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); | ||
| NotificationChannel mChannel = new NotificationChannel(id, | ||
| getString(R.string.channel_name), //name of the channel | ||
| NotificationManager.IMPORTANCE_DEFAULT); //importance level | ||
| //important level: default is is high on the phone. high is urgent on the phone. low is medium, so none is low? | ||
| // Configure the notification channel. | ||
| mChannel.setDescription(getString(R.string.channel_description)); | ||
| mChannel.enableLights(true); | ||
| // Sets the notification light color for notifications posted to this channel, if the device supports this feature. | ||
| mChannel.setLightColor(Color.RED); | ||
| mChannel.enableVibration(true); | ||
| mChannel.setShowBadge(true); | ||
| mChannel.setVibrationPattern(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400}); | ||
| nm.createNotificationChannel(mChannel); | ||
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| info = extras.getString("mText"); | ||
| Log.d(TAG, "new value"); | ||
| } | ||
| Log.v(TAG, "New intent " + info); | ||
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| mFragment.settext(info); | ||
| } | ||
| } |
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94 changes: 91 additions & 3 deletions
94
BroadcastBoot/app/src/main/java/edu/cs4730/broadcastboot/MyReceiver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,23 +1,111 @@ | ||
| package edu.cs4730.broadcastboot; | ||
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| import android.app.AlarmManager; | ||
| import android.app.Notification; | ||
| import android.app.NotificationManager; | ||
| import android.app.PendingIntent; | ||
| import android.content.BroadcastReceiver; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.os.Bundle; | ||
| import android.support.v4.app.NotificationCompat; | ||
| import android.util.Log; | ||
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| import java.util.Calendar; | ||
| import java.util.Random; | ||
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| /* | ||
| * this receiver get the on boot completed message then starts the service. | ||
| * it's registered in the androidmanifest file. | ||
| */ | ||
| public class MyReceiver extends BroadcastReceiver { | ||
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| String TAG="MyReceiver"; | ||
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| @Override | ||
| public void onReceive(Context context, Intent intent) { | ||
| int NotiID=1; | ||
| if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) { | ||
| //boot has completed, now time to start our background service. | ||
| Log.v("MyReceiver", "Got the boot one!"); | ||
| Intent i = new Intent(context, MyService.class); | ||
| context.startService(i); | ||
| Log.wtf(TAG, "Got the boot one!"); | ||
| setalarm(context, 2,NotiID); //NotiID is initialize to 1, which is the start. | ||
| } else if (intent.getAction().equals(MainActivity.ACTION)) { //my custom intent | ||
| Bundle extras =intent.getExtras(); | ||
| if (extras != null) { | ||
| NotiID = extras.getInt("notiid"); | ||
| } | ||
| sendNoti(context, NotiID); | ||
| setalarm(context, 2, NotiID+1); //use the next notification ID number. | ||
| } | ||
| } | ||
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| public void setalarm(Context context, int time, int notiID) { | ||
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| //---use the AlarmManager to trigger an alarm--- | ||
| AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); | ||
| //---get current date and time--- | ||
| Calendar calendar = Calendar.getInstance(); | ||
| //---sets the time for the alarm to trigger in 2 minutes from now--- | ||
| calendar.set(Calendar.MINUTE, calendar.get(Calendar.MINUTE) + time); | ||
| calendar.set(Calendar.SECOND, 0); | ||
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| //---PendingIntent to launch receiver when the alarm triggers- | ||
| //Intent notificationIntent = new Intent(getApplicationContext(), MyReceiver.class); | ||
| Intent notificationIntent = new Intent(MainActivity.ACTION); | ||
| notificationIntent.setPackage("edu.cs4730.broadcastboot"); //in API 26, it must be explicit now. | ||
| notificationIntent.putExtra("notiid", notiID); | ||
| PendingIntent contentIntent = PendingIntent.getBroadcast(context, notiID, notificationIntent, 0); | ||
| Log.i(TAG, "Set alarm, I hope"); | ||
| //---sets the alarm to trigger--- | ||
| alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), contentIntent); | ||
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| } | ||
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| public void sendNoti(Context context, int notiID) { | ||
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| String info = "error"; //changed below. | ||
| Random myRandom = new Random(); | ||
| NotificationManager mManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); | ||
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| //---PendingIntent to launch activity if the user selects | ||
| // the notification--- | ||
| Intent notificationIntent = new Intent(context, MainActivity.class); | ||
| //random notification | ||
| switch (myRandom.nextInt(4)) { | ||
| case 0: | ||
| info = "Iphone6 is very bendy!"; | ||
| break; | ||
| case 1: | ||
| info = "Pixel phones are cool."; | ||
| break; | ||
| case 2: | ||
| info = "Nexus 6 phone is huge at 5.9 inches!"; | ||
| break; | ||
| case 3: | ||
| info = "Hope the Samsung 8 note doesn't catch fire!"; | ||
| break; | ||
| default: | ||
| info = "No new headline."; | ||
| } | ||
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| notificationIntent.putExtra("mText", info); | ||
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| PendingIntent contentIntent = PendingIntent.getActivity(context, notiID, notificationIntent, 0); | ||
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| //create the notification | ||
| Notification notif = new NotificationCompat.Builder(context, MainActivity.id) | ||
| .setSmallIcon(R.drawable.ic_launcher) | ||
| .setWhen(System.currentTimeMillis()) //When the event occurred, now, since noti are stored by time. | ||
| .setContentTitle("New headline!") //Title message top row. | ||
| .setContentText(info) //message when looking at the notification, second row | ||
| .setContentIntent(contentIntent) //what activity to open. | ||
| .setChannelId(MainActivity.id) | ||
| .setAutoCancel(true) //allow auto cancel when pressed. | ||
| .build(); //finally build and return a Notification. | ||
| //Show the notification | ||
| mManager.notify(1, notif); //and if we want different notifications, use notiID here instead of 1. | ||
| } | ||
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| } |
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