Remove extra permissions; better organize files dir

app/src/main/AndroidManifest.xml

@@ -27,10 +27,12 @@
     <uses-permission android:name="android.permission.VIBRATE"/>
 
     <uses-permission
-        android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+        android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="18" />
 
     <uses-permission
-        android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="18" />
 
     <application
         android:name="HabitsApplication"

app/src/main/java/org/isoron/uhabits/MainActivity.java

@@ -153,7 +153,7 @@ public class MainActivity extends ReplayableActivity
         switch (resultCode)
         {
             case RESULT_IMPORT_DATA:
-                onActionImportClicked();
+                listHabitsFragment.showImportDialog();
                 break;
 
             case RESULT_EXPORT_CSV:
@@ -166,22 +166,6 @@ public class MainActivity extends ReplayableActivity
         }
     }
 
-    private void onActionImportClicked()
-    {
-        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) !=
-                PackageManager.PERMISSION_GRANTED)
-        {
-            if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN)
-                return;
-
-            String[] permissions = new String[]{ Manifest.permission.READ_EXTERNAL_STORAGE };
-            ActivityCompat.requestPermissions(this, permissions, 0);
-            return;
-        }
-
-        listHabitsFragment.showImportDialog();
-    }
-
     @Override
     public void onHabitClicked(Habit habit)
     {

app/src/main/java/org/isoron/uhabits/fragments/HabitSelectionCallback.java

@@ -29,15 +29,14 @@ import android.widget.ProgressBar;
 import com.android.colorpicker.ColorPickerDialog;
 import com.android.colorpicker.ColorPickerSwatch;
 
-import org.isoron.uhabits.helpers.ColorHelper;
-import org.isoron.uhabits.helpers.DialogHelper;
-import org.isoron.uhabits.ReplayableActivity;
 import org.isoron.uhabits.R;
+import org.isoron.uhabits.ReplayableActivity;
 import org.isoron.uhabits.commands.ArchiveHabitsCommand;
 import org.isoron.uhabits.commands.ChangeHabitColorCommand;
 import org.isoron.uhabits.commands.DeleteHabitsCommand;
 import org.isoron.uhabits.commands.UnarchiveHabitsCommand;
-import org.isoron.uhabits.tasks.ExportCSVTask;
+import org.isoron.uhabits.helpers.ColorHelper;
+import org.isoron.uhabits.helpers.DialogHelper;
 import org.isoron.uhabits.loaders.HabitListLoader;
 import org.isoron.uhabits.models.Habit;
 
@@ -199,12 +198,6 @@ public class HabitSelectionCallback implements ActionMode.Callback
 
                 return true;
             }
-
-            case R.id.action_export_csv:
-            {
-                onExportHabitsClick(selectedHabits);
-                return true;
-            }
         }
 
         return false;
@@ -215,9 +208,4 @@ public class HabitSelectionCallback implements ActionMode.Callback
     {
         if(listener != null) listener.onActionModeDestroyed(mode);
     }
-
-    private void onExportHabitsClick(final LinkedList<Habit> selectedHabits)
-    {
-        new ExportCSVTask(activity, selectedHabits, progressBar).execute();
-    }
 }

app/src/main/java/org/isoron/uhabits/fragments/ListHabitsFragment.java

@@ -25,7 +25,6 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.Environment;
 import android.preference.PreferenceManager;
 import android.view.ActionMode;
 import android.view.ContextMenu;
@@ -49,14 +48,14 @@ import com.mobeta.android.dslv.DragSortController;
 import com.mobeta.android.dslv.DragSortListView;
 import com.mobeta.android.dslv.DragSortListView.DropListener;
 
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.ReplayableActivity;
 import org.isoron.uhabits.commands.Command;
+import org.isoron.uhabits.commands.ToggleRepetitionCommand;
+import org.isoron.uhabits.dialogs.FilePickerDialog;
 import org.isoron.uhabits.helpers.DateHelper;
 import org.isoron.uhabits.helpers.DialogHelper;
 import org.isoron.uhabits.helpers.DialogHelper.OnSavedListener;
-import org.isoron.uhabits.ReplayableActivity;
-import org.isoron.uhabits.R;
-import org.isoron.uhabits.commands.ToggleRepetitionCommand;
-import org.isoron.uhabits.dialogs.FilePickerDialog;
 import org.isoron.uhabits.helpers.HintManager;
 import org.isoron.uhabits.helpers.ListHabitsHelper;
 import org.isoron.uhabits.helpers.ReminderHelper;
@@ -434,7 +433,9 @@ public class ListHabitsFragment extends Fragment
 
     public void showImportDialog()
     {
-        File dir = Environment.getExternalStorageDirectory();
+        File dir = activity.getExternalFilesDir(null);
+        if(dir == null) return;
+
         FilePickerDialog picker = new FilePickerDialog(activity, dir);
         picker.setFileListener(new FilePickerDialog.OnFileSelectedListener()
         {

app/src/main/java/org/isoron/uhabits/helpers/DatabaseHelper.java

@@ -2,6 +2,7 @@ package org.isoron.uhabits.helpers;
 
 import android.content.Context;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 
 import com.activeandroid.ActiveAndroid;
 
@@ -51,9 +52,9 @@ public class DatabaseHelper
     {
         File db = getDatabaseFile(context, BuildConfig.databaseFilename);
 
-        SimpleDateFormat dateFormat = DateHelper.getCSVDateFormat();
+        SimpleDateFormat dateFormat = DateHelper.getBackupDateFormat();
-        String date = dateFormat.format(DateHelper.getStartOfToday());
+        String date = dateFormat.format(DateHelper.getLocalTime());
-        File dbCopy = new File(String.format("%s/Loop-Habits-Backup-%s.db", dir.getAbsolutePath(), date));
+        File dbCopy = new File(String.format("%s/Loop Habits Backup %s.db", dir.getAbsolutePath(), date));
 
         copy(db, dbCopy);
 
@@ -72,4 +73,16 @@ public class DatabaseHelper
         return new File(String.format("%s/../databases/%s",
                     context.getApplicationContext().getFilesDir().getPath(), databaseFilename));
     }
+
+    @Nullable
+    public static File getFilesDir(Context context, String prefix)
+    {
+        File baseDir = context.getExternalFilesDir(null);
+        if(baseDir == null) return null;
+        if(!baseDir.canWrite()) return null;
+
+        File dir = new File(String.format("%s/%s/", baseDir.getAbsolutePath(), prefix));
+        dir.mkdirs();
+        return dir;
+    }
 }

app/src/main/java/org/isoron/uhabits/helpers/DateHelper.java

@@ -105,6 +105,14 @@ public class DateHelper
         return dateFormat;
     }
 
+    public static SimpleDateFormat getBackupDateFormat()
+    {
+        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.US);
+        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+
+        return dateFormat;
+    }
+
     public static String formatHeaderDate(GregorianCalendar day)
     {
         String dayOfMonth = Integer.toString(day.get(GregorianCalendar.DAY_OF_MONTH));

app/src/main/java/org/isoron/uhabits/io/HabitsCSVExporter.java

@@ -44,13 +44,10 @@ public class HabitsCSVExporter
 
     private String exportDirName;
 
-    public HabitsCSVExporter(List<Habit> habits, String exportDirName)
+    public HabitsCSVExporter(List<Habit> habits, File dir)
     {
         this.habits = habits;
-        this.exportDirName = exportDirName;
+        this.exportDirName = dir.getAbsolutePath() + "/";
-
-        if(!this.exportDirName.endsWith("/"))
-            this.exportDirName += "/";
 
         generateDirs = new LinkedList<>();
         generateFilenames = new LinkedList<>();
@@ -98,7 +95,7 @@ public class HabitsCSVExporter
     {
         SimpleDateFormat dateFormat = DateHelper.getCSVDateFormat();
         String date = dateFormat.format(DateHelper.getStartOfToday());
-        String zipFilename = String.format("%s/Loop-Habits-CSV-%s.zip", exportDirName, date);
+        String zipFilename = String.format("%s/Loop Habits CSV %s.zip", exportDirName, date);
 
         FileOutputStream fos = new FileOutputStream(zipFilename);
         ZipOutputStream zos = new ZipOutputStream(fos);
@@ -127,21 +124,13 @@ public class HabitsCSVExporter
         fis.close();
     }
 
-    public String writeArchive()
+    public String writeArchive() throws IOException
     {
         String zipFilename;
 
-        try
+        writeHabits();
-        {
+        zipFilename = writeZipFile();
-            writeHabits();
+        cleanup();
-            zipFilename = writeZipFile();
-            cleanup();
-        }
-        catch (IOException e)
-        {
-            e.printStackTrace();
-            return null;
-        }
 
         return zipFilename;
     }

app/src/main/java/org/isoron/uhabits/tasks/ExportCSVTask.java

@@ -25,12 +25,14 @@ import android.os.AsyncTask;
 import android.view.View;
 import android.widget.ProgressBar;
 
-import org.isoron.uhabits.ReplayableActivity;
 import org.isoron.uhabits.R;
+import org.isoron.uhabits.ReplayableActivity;
+import org.isoron.uhabits.helpers.DatabaseHelper;
 import org.isoron.uhabits.io.HabitsCSVExporter;
 import org.isoron.uhabits.models.Habit;
 
 import java.io.File;
+import java.io.IOException;
 import java.util.List;
 
 public class ExportCSVTask extends AsyncTask<Void, Void, Void>
@@ -82,9 +84,18 @@ public class ExportCSVTask extends AsyncTask<Void, Void, Void>
     @Override
     protected Void doInBackground(Void... params)
     {
-        String dirName = String.format("%s/export/", activity.getExternalCacheDir());
+        try
-        HabitsCSVExporter exporter = new HabitsCSVExporter(selectedHabits, dirName);
+        {
-        archiveFilename = exporter.writeArchive();
+            File dir = DatabaseHelper.getFilesDir(activity, "CSV");
+            if(dir == null) return null;
+
+            HabitsCSVExporter exporter = new HabitsCSVExporter(selectedHabits, dir);
+            archiveFilename = exporter.writeArchive();
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+        }
 
         return null;
     }

app/src/main/java/org/isoron/uhabits/tasks/ExportDBTask.java

@@ -82,7 +82,10 @@ public class ExportDBTask extends AsyncTask<Void, Void, Void>
 
         try
         {
-            filename = DatabaseHelper.saveDatabaseCopy(activity, activity.getExternalCacheDir());
+            File dir = DatabaseHelper.getFilesDir(activity, "Backups");
+            if(dir == null) return null;
+
+            filename = DatabaseHelper.saveDatabaseCopy(activity, dir);
         }
         catch(IOException e)
         {

app/src/main/res/menu/list_habits_context.xml

@@ -40,10 +40,6 @@
         android:title="@string/unarchive"
         android:icon="@drawable/ic_action_unarchive_light"/>
 
-    <item
-        android:id="@+id/action_export_csv"
-        android:title="@string/export_to_csv" />
-
     <item
         android:id="@+id/action_delete"
         android:title="@string/delete" />