Implement alarm shortcut (fix #244)

app/src/main/java/org/traccar/client/MainActivity.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2012 - 2017 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,6 +32,7 @@ import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
 import android.preference.TwoStatePreference;
+import android.util.Log;
 import android.util.Patterns;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -43,6 +44,8 @@ import java.util.Set;
 @SuppressWarnings("deprecation")
 public class MainActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener {
 
+    private static final String TAG = MainActivity.class.getSimpleName();
+
     public static final String KEY_DEVICE = "id";
     public static final String KEY_ADDRESS = "address";
     public static final String KEY_PORT = "port";
@@ -92,10 +95,9 @@ public class MainActivity extends PreferenceActivity implements OnSharedPreferen
                 if (newValue != null) {
                     try {
                         int value = Integer.parseInt((String) newValue);
-                        if (value > 0 && value <= 65536) {
-                            return true;
-                        }
+                        return value > 0 && value <= 65536;
                     } catch (NumberFormatException e) {
+                        Log.w(TAG, e);
                     }
                 }
                 return false;
@@ -106,9 +108,10 @@ public class MainActivity extends PreferenceActivity implements OnSharedPreferen
             public boolean onPreferenceChange(Preference preference, Object newValue) {
                 if (newValue != null) {
                     try {
-                        Integer.parseInt((String) newValue);
-                        return true;
+                        int value = Integer.parseInt((String) newValue);
+                        return value > 0;
                     } catch (NumberFormatException e) {
+                        Log.w(TAG, e);
                     }
                 }
                 return false;
@@ -139,11 +142,10 @@ public class MainActivity extends PreferenceActivity implements OnSharedPreferen
         }
     }
 
-    private void addShortcuts(boolean start, int name) {
+    private void addShortcuts(String action, int name) {
         Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);
         shortcutIntent.setComponent(new ComponentName(getPackageName(), ShortcutActivity.class.getCanonicalName()));
-        shortcutIntent.putExtra(ShortcutActivity.EXTRA_ACTION, start);
-
+        shortcutIntent.putExtra(ShortcutActivity.EXTRA_ACTION, action);
         Intent installShortCutIntent = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");
         installShortCutIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
         installShortCutIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(name));
@@ -206,8 +208,9 @@ public class MainActivity extends PreferenceActivity implements OnSharedPreferen
             startActivity(new Intent(this, StatusActivity.class));
             return true;
         } else if (item.getItemId() == R.id.shortcuts) {
-            addShortcuts(true, R.string.shortcut_start);
-            addShortcuts(false, R.string.shortcut_stop);
+            addShortcuts(ShortcutActivity.EXTRA_ACTION_START, R.string.shortcut_start);
+            addShortcuts(ShortcutActivity.EXTRA_ACTION_STOP, R.string.shortcut_stop);
+            addShortcuts(ShortcutActivity.EXTRA_ACTION_SOS, R.string.shortcut_sos);
             return true;
         } else if (item.getItemId() == R.id.about) {
             startActivity(new Intent(this, AboutActivity.class));

app/src/main/java/org/traccar/client/PositionProvider.java

@@ -68,14 +68,14 @@ public abstract class PositionProvider {
         if (location != null && location.getTime() - lastUpdateTime >= period) {
             Log.i(TAG, "location new");
             lastUpdateTime = location.getTime();
-            listener.onPositionUpdate(new Position(deviceId, location, getBatteryLevel()));
+            listener.onPositionUpdate(new Position(deviceId, location, getBatteryLevel(context)));
         } else {
             Log.i(TAG, location != null ? "location old" : "location nil");
         }
     }
 
     @TargetApi(Build.VERSION_CODES.ECLAIR)
-    private double getBatteryLevel() {
+    public static double getBatteryLevel(Context context) {
         if (android.os.Build.VERSION.SDK_INT > Build.VERSION_CODES.ECLAIR) {
             Intent batteryIntent = context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
             int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);

app/src/main/java/org/traccar/client/ProtocolFormatter.java

@@ -20,6 +20,10 @@ import android.net.Uri;
 public class ProtocolFormatter {
 
     public static String formatRequest(String address, int port, boolean secure, Position position) {
+        return formatRequest(address, port, secure, position, null);
+    }
+
+    public static String formatRequest(String address, int port, boolean secure, Position position, String alarm) {
 
         Uri.Builder builder = new Uri.Builder();
         builder.scheme(secure ? "https" : "http").encodedAuthority(address + ':' + port)
@@ -32,6 +36,10 @@ public class ProtocolFormatter {
                 .appendQueryParameter("altitude", String.valueOf(position.getAltitude()))
                 .appendQueryParameter("batt", String.valueOf(position.getBattery()));
 
+        if (alarm != null) {
+            builder.appendQueryParameter("alarm", alarm);
+        }
+
         return builder.build().toString();
     }
 

app/src/main/java/org/traccar/client/ShortcutActivity.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2016 - 2017 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,14 +16,23 @@
 package org.traccar.client;
 
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
+import android.location.Location;
+import android.location.LocationManager;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.widget.Toast;
 
 public class ShortcutActivity extends Activity {
 
-    public static final String EXTRA_ACTION = "shortcutAction";
+    public static final String EXTRA_ACTION = "action";
+    public static final String EXTRA_ACTION_START = "start";
+    public static final String EXTRA_ACTION_STOP = "stop";
+    public static final String EXTRA_ACTION_SOS = "sos";
+
+    private static final String ALARM_SOS = "sos";
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -37,20 +46,71 @@ public class ShortcutActivity extends Activity {
         checkShortcutAction(intent);
     }
 
-    private void checkShortcutAction(Intent intent) {
-        if (intent.hasExtra(EXTRA_ACTION)) {
-            boolean start = intent.getBooleanExtra(EXTRA_ACTION, false);
-            PreferenceManager.getDefaultSharedPreferences(this)
-                    .edit().putBoolean(MainActivity.KEY_STATUS, start).commit();
-            if (start) {
-                startService(new Intent(this, TrackingService.class));
-                Toast.makeText(this, R.string.status_service_create, Toast.LENGTH_SHORT).show();
-            } else {
-                stopService(new Intent(this, TrackingService.class));
-                Toast.makeText(this, R.string.status_service_destroy, Toast.LENGTH_SHORT).show();
-            }
-            finish();
+    @SuppressWarnings("MissingPermission")
+    private void sendAlarm() {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+        LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
+
+        Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
+        if (location == null) {
+            location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
+        }
+
+        if (location != null) {
+
+            Position position = new Position(
+                    preferences.getString(MainActivity.KEY_DEVICE, null),
+                    location, PositionProvider.getBatteryLevel(this));
+
+            String request = ProtocolFormatter.formatRequest(
+                    preferences.getString(MainActivity.KEY_ADDRESS, null),
+                    Integer.parseInt(preferences.getString(MainActivity.KEY_PORT, null)),
+                    preferences.getBoolean(MainActivity.KEY_SECURE, false),
+                    position, ALARM_SOS);
+
+            RequestManager.sendRequestAsync(request, new RequestManager.RequestHandler() {
+                @Override
+                public void onComplete(boolean success) {
+                    if (success) {
+                        Toast.makeText(ShortcutActivity.this, R.string.status_send_success, Toast.LENGTH_SHORT).show();
+                    } else {
+                        Toast.makeText(ShortcutActivity.this, R.string.status_send_fail, Toast.LENGTH_SHORT).show();
+                    }
+                }
+            });
+
+        } else {
+            Toast.makeText(this, R.string.status_send_fail, Toast.LENGTH_SHORT).show();
         }
     }
 
+    private void checkShortcutAction(Intent intent) {
+        String action;
+        if (intent.hasExtra("shortcutAction")) {
+            action = intent.getBooleanExtra("shortcutAction", false)
+                    ? EXTRA_ACTION_START : EXTRA_ACTION_STOP;
+        } else {
+            action = intent.getStringExtra(EXTRA_ACTION);
+        }
+        switch (action) {
+            case EXTRA_ACTION_START:
+                PreferenceManager.getDefaultSharedPreferences(this)
+                        .edit().putBoolean(MainActivity.KEY_STATUS, true).commit();
+                startService(new Intent(this, TrackingService.class));
+                Toast.makeText(this, R.string.status_service_create, Toast.LENGTH_SHORT).show();
+                break;
+            case EXTRA_ACTION_STOP:
+                PreferenceManager.getDefaultSharedPreferences(this)
+                        .edit().putBoolean(MainActivity.KEY_STATUS, false).commit();
+                stopService(new Intent(this, TrackingService.class));
+                Toast.makeText(this, R.string.status_service_destroy, Toast.LENGTH_SHORT).show();
+                break;
+            case EXTRA_ACTION_SOS:
+                sendAlarm();
+                break;
+        }
+        finish();
+    }
+
 }