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42 changes: 41 additions & 1 deletion android/app/src/main/java/edu/mit/privatekit/MainActivity.java
Original file line number Diff line number Diff line change
@@ -1,8 +1,17 @@
package edu.mit.privatekit;

import com.facebook.react.ReactActivity;
import android.app.NotificationManager;
import android.app.Notification;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import android.os.Build;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationCompat.Builder;
import android.content.Context;
import android.app.NotificationChannel;
import android.provider.Settings;

public class MainActivity extends ReactActivity {
public static final String NOTIFICATION_CHANNEL_ID = "10001";

/**
* Returns the name of the main component registered from JavaScript. This is used to schedule
Expand All @@ -12,4 +21,35 @@ public class MainActivity extends ReactActivity {
protected String getMainComponentName() {
return "PrivateKit";
}

@Override
protected void onDestroy() {
super.onDestroy();
showNotification();
}

private void showNotification() {
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(getApplicationContext());
mBuilder.setSmallIcon(R.mipmap.ic_launcher);
mBuilder.setContentTitle("Private Kit Enabled")
.setContentText("Private Kit is securely storing your GPS coordinates once every five minutes on this device.")
.setAutoCancel(false)
.setSound(Settings.System.DEFAULT_NOTIFICATION_URI);

NotificationManager mNotificationManager = (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);

if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O)
{
int importance = NotificationManager.IMPORTANCE_HIGH;
NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, "PRIVATE KIT", importance);
notificationChannel.enableLights(true);
notificationChannel.enableVibration(true);
notificationChannel.setVibrationPattern(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400});
assert mNotificationManager != null;
mBuilder.setChannelId(NOTIFICATION_CHANNEL_ID);
mNotificationManager.createNotificationChannel(notificationChannel);
}
assert mNotificationManager != null;
mNotificationManager.notify(0 /* Request Code */, mBuilder.build());
}
}