create new task

Code Android/meinWald/.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

Code Android/meinWald/.idea/vcs.xml

@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
   </component>
 </project>

Code Android/meinWald/app/src/main/java/com/example/meinwald/ui/area/AreaFragment.java

@@ -13,6 +13,7 @@ import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProviders;
 
 import com.example.meinwald.R;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
 public class AreaFragment extends Fragment {
 
@@ -30,6 +31,9 @@ public class AreaFragment extends Fragment {
                 textView.setText(s);
             }
         });
+
+        FloatingActionButton fab = root.findViewById(R.id.fab_areas);
+
         return root;
     }
 }

Code Android/meinWald/app/src/main/java/com/example/meinwald/ui/task/TasksFragment.java

@@ -1,47 +1,330 @@
 package com.example.meinwald.ui.task;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.pm.PackageManager;
+import android.location.Location;
+import android.media.Image;
 import android.os.Bundle;
+import android.os.Handler;
+import android.util.Log;
+import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProviders;
 
+import com.example.meinwald.BuildConfig;
 import com.example.meinwald.R;
+import com.google.android.gms.location.FusedLocationProviderClient;
+import com.google.android.gms.location.LocationServices;
+import com.google.android.gms.maps.CameraUpdateFactory;
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
 
+import org.json.JSONException;
+import org.json.JSONObject;
+
 public class TasksFragment extends Fragment {
 
+    private static final String TAG = TasksFragment.class.getSimpleName();
+
+    /**
+     * ______________________________________________________________________________________________
+     * LOCATION
+     */
+    private static final int PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION = 1;
+    private static final String KEY_LOCATION = "location";
+    /**
+     * The entry point to the Fused Location Provider.
+     */
+    private FusedLocationProviderClient mFusedLocationProviderClient;
+    private boolean mLocationPermissionGranted;
+    /**
+     * The geographical location where the device is currently located.
+     * That is the last-known location retrieved by the Fused Location Provider.
+     */
+    private Location mLastKnownLocation;
+
     private NotificationsViewModel notificationsViewModel;
 
-    public View onCreateView(@NonNull LayoutInflater inflater,
-                             ViewGroup container, Bundle savedInstanceState) {
-        notificationsViewModel = ViewModelProviders.of(this).get(NotificationsViewModel.class);
+    public class OwnTask
+    {
+        private String title;
+        private String notice;
+        private Location location;
+        private Image image;
+
+        public OwnTask()
+        {
+            this.title = null;
+            this.notice = null;
+            this.location = null;
+            this.image = null;
+        }
+
+        public OwnTask(String title, String notice, Location location, Image image)
+        {
+            this.title = title;
+            this.notice = notice;
+            this.location = location;
+            this.image = image;
+        }
+
+        public String getTitle() {
+            return title;
+        }
+
+        public String getNotice() {
+            return notice;
+        }
+
+        public Location getLocation() {
+            return location;
+        }
+
+        public Image getImage() {
+            return image;
+        }
+
+        public void setTitle(String title) {
+            this.title = title;
+        }
+
+        public void setNotice(String notice) {
+            this.notice = notice;
+        }
+
+        public void setLocation(Location location) {
+            this.location = location;
+        }
+
+        public void setImage(Image image) {
+            this.image = image;
+        }
+
+        @Override
+        public String toString() {
+            return "OwnTask{" +
+                    "title='" + title + '\'' +
+                    ", notice='" + notice + '\'' +
+                    ", location=" + location +
+                    '}';
+        }
+    }
+
+    OwnTask newTask = new OwnTask();
+
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+
         View root = inflater.inflate(R.layout.fragment_tasks, container, false);
-        final TextView textView = root.findViewById(R.id.text_tasks);
-        notificationsViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(@Nullable String s) {
-                textView.setText(s);
-            }
-        });
 
-        FloatingActionButton fab = root.findViewById(R.id.fab);
+        //instance add button
+        FloatingActionButton fab = root.findViewById(R.id.fab_tasks);
+
+        //construct a FusedLocationProviderClient.
+        mFusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(getActivity());
+
+        //get location permission
+        getLocationPermission();
 
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
-                        .setAction("Action", null).show();
+                AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+
+                getDeviceLocation();
+
+                final View viewInflated = LayoutInflater.from(getContext()).inflate(R.layout.task_input, (ViewGroup) getView(), false);
+                builder.setView(viewInflated);
+
+                //set location
+                final Button buttonSetLocation = viewInflated.findViewById(R.id.taskSetLocation);
+                final TextView locationText = viewInflated.findViewById(R.id.taskLocation);
+
+                buttonSetLocation.setOnClickListener(new View.OnClickListener() {
+                    public void onClick(View v) {
+
+                        getLocationPermission();
+                        getDeviceLocation();
+
+                        do {
+                            final Handler handler = new Handler();
+                            handler.postDelayed(new Runnable() {
+                                @Override
+                                public void run() {
+                                    //wait if there is no known location
+                                }
+                            }, 100);
+                        }while (mLastKnownLocation == null);
+
+                        //save and display location
+                        newTask.setLocation(mLastKnownLocation);
+                        locationText.setText("Lat: " +String.valueOf(mLastKnownLocation.getLatitude()) + " Lng: " + String.valueOf(mLastKnownLocation.getLongitude()));
+                    }
+                });
+
+                //add picture
+                final Button buttonAddPicture = viewInflated.findViewById(R.id.taskAddPicture);
+
+                buttonAddPicture.setOnClickListener(new View.OnClickListener() {
+                    public void onClick(View v) {
+                        // Code here executes on main thread after user presses button
+                    }
+                });
+
+                builder.setPositiveButton("Bestätigen", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+
+                        final TextView titleView = viewInflated.findViewById(R.id.taskTitleUserInput);
+                        final TextView noticeView = viewInflated.findViewById(R.id.taskNoticeUserInput);
+
+                        if (titleView.getText()!=null)
+                        {
+                            //save user input
+                            newTask.setTitle(String.valueOf(titleView.getText()));
+                            newTask.setNotice(String.valueOf(noticeView.getText()));
+
+                            if (BuildConfig.DEBUG)
+                            {
+                                Log.d(TAG, "new Task: " + newTask.toString());
+                            }
+
+                            dialog.dismiss();
+
+                            //confirm added task
+                            Toast toast = Toast.makeText(getActivity(), "Aufgabe hinzugefügt!", Toast.LENGTH_SHORT);
+                            TextView v = (TextView) toast.getView().findViewById(android.R.id.message);
+                            if( v != null)
+                            {
+                                //text align center
+                                v.setGravity(Gravity.CENTER);
+                            }
+                            toast.show();
+                        }
+                        else
+                        {
+                            //title needed
+                            Toast toast = Toast.makeText(getActivity(), "Aufgabentitel fehlt!", Toast.LENGTH_SHORT);
+                            TextView v = (TextView) toast.getView().findViewById(android.R.id.message);
+                            if( v != null)
+                            {
+                                //text align center
+                                v.setGravity(Gravity.CENTER);
+                            }
+                            toast.show();
+                        }
+                    }
+                });
+
+                builder.setNegativeButton("Abbrechen", new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.cancel();
+                    }
+                });
+
+                builder.show();
             }
         });
 
         return root;
     }
+
+    /**
+     * Request location permission, so that we can get the location of the device.
+     * The result of the permission request is handled by a callback,
+     * onRequestPermissionsResult.
+     *
+     */
+    private void getLocationPermission() {
+        if (ContextCompat.checkSelfPermission(getActivity().getApplicationContext(),
+                android.Manifest.permission.ACCESS_FINE_LOCATION)
+                == PackageManager.PERMISSION_GRANTED) {
+            mLocationPermissionGranted = true;
+        } else {
+            ActivityCompat.requestPermissions(getActivity(),
+                    new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION},
+                    PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION);
+        }
+    }
+
+    /**
+     * DOCU ME!
+     * TOOD: What are grant results etc for?
+     * @param requestCode
+     * @param permissions
+     * @param grantResults
+     */
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults)
+    {
+        mLocationPermissionGranted = false;
+        switch (requestCode) {
+            case PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION: {
+                // If request is cancelled, the result arrays are empty.
+                if (grantResults.length > 0
+                        && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+                {
+                    mLocationPermissionGranted = true;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get the best and most recent location of the device, which may be null in rare
+     * cases when a location is not available.
+     *
+     */
+    private void getDeviceLocation() {
+        try {
+            if (mLocationPermissionGranted) {
+                Task<Location> locationResult = mFusedLocationProviderClient.getLastLocation();
+                locationResult.addOnCompleteListener(getActivity(), new OnCompleteListener<Location>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Location> task) {
+                        if (task.isSuccessful()) {
+                            // Set the last known position to the current location of the device.
+                            mLastKnownLocation = task.getResult();
+                            if (BuildConfig.DEBUG) {
+
+                                if (task.getResult() != null)
+                                {
+                                    Log.d(TAG, "getDeviceLocation " + task.getResult().toString());
+                                }
+                            }
+                        } else {
+                            if (BuildConfig.DEBUG) {
+                                Log.d(TAG, "Current location is null. Using defaults.");
+                                Log.e(TAG, "Exception: %s", task.getException());
+                            }
+
+                            if (BuildConfig.DEBUG) {
+                                Log.d(TAG, "getDeviceLocation: task not successful");
+                            }
+                        }
+                    }
+                });
+            }
+        } catch (SecurityException e)  {
+            if (BuildConfig.DEBUG) {
+                Log.e(TAG, "Exception occurred: ");
+                e.printStackTrace();
+            }
+        }
+    }
 }

Code Android/meinWald/app/src/main/res/layout/fragment_areas.xml

@@ -22,12 +22,17 @@
         android:gravity="center_horizontal" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/fab"
+        android:id="@+id/fab_areas"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom|end"
         android:layout_margin="@dimen/fab_margin"
+        android:tint="#00009688"
+        app:backgroundTint="@color/colorPrimary"
+        app:fabSize="mini"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
+
+        app:rippleColor="#00000000"
+        app:srcCompat="@android:drawable/ic_menu_add" />
 </androidx.constraintlayout.widget.ConstraintLayout>

Code Android/meinWald/app/src/main/res/layout/fragment_tasks.xml

@@ -22,12 +22,17 @@
         app:layout_constraintTop_toTopOf="parent" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/fab"
+        android:id="@+id/fab_tasks"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom|end"
         android:layout_margin="@dimen/fab_margin"
+        android:tint="#00009688"
+        app:backgroundTint="@color/colorPrimary"
+        app:backgroundTintMode="src_in"
+        app:fabSize="mini"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
+        app:rippleColor="#00000000"
+        app:srcCompat="@android:drawable/ic_menu_add" />
 </androidx.constraintlayout.widget.ConstraintLayout>

Code Android/meinWald/app/src/main/res/layout/task_input.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/layout_root"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:orientation="vertical"
+    android:padding="10dp" >
+
+    <TextView
+        android:id="@+id/taskTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Aufgabe"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <EditText
+        android:id="@+id/taskTitleUserInput"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Titel eingeben!">
+
+        <requestFocus />
+
+    </EditText>
+
+    <TextView
+        android:id="@+id/taskNotice"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Notizen"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <EditText
+        android:id="@+id/taskNoticeUserInput"
+        android:layout_width="match_parent"
+        android:layout_height="149dp"
+        android:hint="Beschreibung eingeben!"
+        android:isScrollContainer="true">
+
+        <requestFocus />
+
+    </EditText>
+
+    <Button
+        android:id="@+id/taskSetLocation"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Standort setzen!" />
+
+    <TextView
+        android:id="@+id/taskLocation"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:textAppearance="?android:attr/textAppearanceLarge" />
+
+    <Button
+        android:id="@+id/taskAddPicture"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Bild hinzufügen!" />
+
+    <ImageView
+        android:id="@+id/taskImage"
+        android:layout_width="243dp"
+        android:layout_height="149dp"
+        android:layout_gravity="center"
+        android:baselineAlignBottom="true"
+        android:foregroundGravity="center_vertical|center_horizontal"
+        app:srcCompat="@android:drawable/ic_menu_camera" />
+
+</LinearLayout>

Code Android/meinWald/app/src/main/res/menu/bottom_nav_menu.xml

@@ -3,7 +3,7 @@
 
     <item
         android:id="@+id/navigation_map"
-        android:icon="@drawable/ic_home_black_24dp"
+        android:icon="@android:drawable/ic_dialog_map"
         android:title="@string/title_map" />
 
     <item

Code Android/meinWald/app/src/main/res/values/colors.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#6200EE</color>
+    <color name="colorPrimary">#1B5E20</color>
     <color name="colorPrimaryDark">#3700B3</color>
     <color name="colorAccent">#03DAC5</color>
 </resources>