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Code Issues Projects Releases Packages Activity

trackbook now asks the user before clearing the map

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This commit is contained in:
y20k 2016-09-27 16:08:45 +02:00
parent a38270d2c4
commit e1b01091cb
5 changed files with 149 additions and 6 deletions
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35
app/src/main/java/org/y20k/trackbook/MainActivity.java
View file

@ -18,6 +18,7 @@ package org.y20k.trackbook;
import android.Manifest;
import android.annotation.TargetApi;
import android.app.DialogFragment;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
@ -44,6 +45,7 @@ import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import org.y20k.trackbook.helpers.DialogClearFragment;
import org.y20k.trackbook.helpers.LogHelper;
import org.y20k.trackbook.helpers.NotificationHelper;
import org.y20k.trackbook.helpers.TrackbookKeys;
@ -57,7 +59,7 @@ import java.util.Map;
/**
* MainActivity class
*/
public class MainActivity extends AppCompatActivity implements TrackbookKeys {
public class MainActivity extends AppCompatActivity implements TrackbookKeys, DialogClearFragment.DialogClearListener {
/* Define log tag */
private static final String LOG_TAG = MainActivity.class.getSimpleName();
@ -203,6 +205,26 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
}
@Override
public void onDialogClearPositiveClick(DialogFragment dialog) {
// DialogClear: User chose CLEAR.
LogHelper.v(LOG_TAG, "User chose CLEAR");
// clear the map
mMainActivityMapFragment.clearMap();
// dismiss notification
NotificationHelper.stop();
}
@Override
public void onDialogClearNegativeClick(DialogFragment dialog) {
// DialogClear: User chose CANCEL.
LogHelper.v(LOG_TAG, "User chose CANCEL.");
}
/* Set up main layout */
private void setupLayout() {
if (mPermissionsGranted) {
@ -232,8 +254,9 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
if (mTrackerServiceRunning || mMainActivityMapFragment == null) {
return false;
} else {
mMainActivityMapFragment.clearMap();
NotificationHelper.stop();
// show clear dialog
DialogFragment dialog = new DialogClearFragment();
dialog.show(getFragmentManager(), "DialogClearFragment");
return true;
}
}
@ -304,8 +327,6 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
if (mTrackerServiceRunning || mMainActivityMapFragment == null) {
return false;
} else {
mMainActivityMapFragment.clearMap();
NotificationHelper.stop();
return true;
}
}
@ -404,7 +425,9 @@ public class MainActivity extends AppCompatActivity implements TrackbookKeys {
// prevent multiple reactions to intent
intent.setAction(ACTION_DEFAULT);
} else if (intent.hasExtra(EXTRA_CLEAR_MAP) && mMainActivityMapFragment != null) {
mMainActivityMapFragment.clearMap();
// show clear dialog
DialogFragment dialog = new DialogClearFragment();
dialog.show(getFragmentManager(), "DialogClearFragment");
// prevent multiple reactions to intent
intent.setAction(ACTION_DEFAULT);
}

25
app/src/main/java/org/y20k/trackbook/MainActivityMapFragment.java
View file

@ -384,6 +384,7 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
/* Removes track crumbs from map */
public void clearMap() {
// clear map
if (mTrackOverlay != null) {
Toast.makeText(mActivity, mActivity.getString(R.string.toast_message_clear_map), Toast.LENGTH_LONG).show();
@ -391,6 +392,30 @@ public class MainActivityMapFragment extends Fragment implements TrackbookKeys {
}
// clear track object
mTrack = null;
// // Use the Builder class for convenient dialog construction
// AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
// builder.setTitle(R.string.dialog_clear_map_title)
// .setMessage(R.string.dialog_clear_map_message)
// .setPositiveButton(R.string.dialog_clear_map_okay, new DialogInterface.OnClickListener() {
// public void onClick(DialogInterface dialog, int id) {
// // clear map
// if (mTrackOverlay != null) {
// Toast.makeText(mActivity, mActivity.getString(R.string.toast_message_clear_map), Toast.LENGTH_LONG).show();
// mMapView.getOverlays().remove(mTrackOverlay);
// }
// // clear track object
// mTrack = null;
// }
// })
// .setNegativeButton(R.string.dialog_clear_map_cancel, new DialogInterface.OnClickListener() {
// public void onClick(DialogInterface dialog, int id) {
// // user clicked cancel - do nothing
// }
// });
// // Create the AlertDialog object and return it
// builder.create().show();
}

83
app/src/main/java/org/y20k/trackbook/helpers/DialogClearFragment.java Normal file
View file

@ -0,0 +1,83 @@
/**
* DialogClearFragment.java
* Implements the DialogClearFragment class
* A DialogClearFragment appears when the user wants to clear the map
*
* This file is part of
* TRACKBOOK - Movement Recorder for Android
*
* Copyright (c) 2016 - Y20K.org
* Licensed under the MIT-License
* http://opensource.org/licenses/MIT
*
* Trackbook uses osmdroid - OpenStreetMap-Tools for Android
* https://github.com/osmdroid/osmdroid
*/
package org.y20k.trackbook.helpers;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import org.y20k.trackbook.R;
/**
* DialogClearFragment class
*/
public class DialogClearFragment extends DialogFragment {
/* Define log tag */
private static final String LOG_TAG = DialogClearFragment.class.getSimpleName();
/* Interface that the context that creates an instance of this fragment must implement */
public interface DialogClearListener {
public void onDialogClearPositiveClick(DialogFragment dialog);
public void onDialogClearNegativeClick(DialogFragment dialog);
}
/* Main class variables */
private DialogClearListener mListener;
@Override
public void onAttach(Context context) {
super.onAttach(context);
// verify that the host context implements the callback interface
try {
// instantiate the NoticeDialogListener so we can send events to the host
mListener = (DialogClearListener) context;
} catch (ClassCastException e) {
LogHelper.e(LOG_TAG, "Context does not implement the DialogClearListener interface.");
}
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// construct dialog
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(R.string.dialog_clear_map_title)
.setMessage(R.string.dialog_clear_map_message)
.setPositiveButton(R.string.dialog_clear_map_okay, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// user clicked CLEAR - inform initiating fragment / context
mListener.onDialogClearPositiveClick(DialogClearFragment.this);
}
})
.setNegativeButton(R.string.dialog_clear_map_cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// user clicked CANCEL - inform initiating fragment / context
mListener.onDialogClearNegativeClick(DialogClearFragment.this);
}
});
// create the AlertDialog object and return it
return builder.create();
}
}

6
app/src/main/res/values-de/strings.xml
View file

@ -28,6 +28,12 @@
<string name="snackbar_message_tracking_started">Tracking aktiviert</string>
<string name="snackbar_message_location_offline">Standortdienste sind deaktiviert. Trackbook kann nicht aufzeichnen.</string>
<!-- dialogs -->
<string name="dialog_clear_map_title">Zurücksetzen</string>
<string name="dialog_clear_map_message">Möchten Sie die Karte zurücksetzen?</string>
<string name="dialog_clear_map_okay">Zurücksetzen</string>
<string name="dialog_clear_map_cancel">Abbrechen</string>
<!-- toast messages -->
<string name="toast_message_permissions_granted">Berechtigungen erteilt.</string>
<string name="toast_message_unable_to_start_app">Trackbook kann nicht starten.</string>

6
app/src/main/res/values/strings.xml
View file

@ -28,6 +28,12 @@
<string name="snackbar_message_tracking_started">Tracking started</string>
<string name="snackbar_message_location_offline">Location is turned off. Trackbook will not work.</string>
<!-- dialogs -->
<string name="dialog_clear_map_title">Clear</string>
<string name="dialog_clear_map_message">Do you want to clear the map?</string>
<string name="dialog_clear_map_okay">Clear</string>
<string name="dialog_clear_map_cancel">Cancel</string>
<!-- toast messages -->
<string name="toast_message_permissions_granted">Permissions granted.</string>
<string name="toast_message_unable_to_start_app">Unable to start Trackbook.</string>