Добавлена возможность удаления сохранений

res/values/strings.xml

@@ -8,6 +8,8 @@
     <string name="navigate">Навигация</string>
     <string name="save">Сохранить</string>
     <string name="load">Загрузить</string>
+    <string name="remove">Удалить</string>
+    <string name="removed">Удалено</string>
 
     <string-array name="menu_items">
         <item>@string/to_prev_scene</item>

src/com/annimon/everlastingsummer/Dialogs.java

@@ -1,6 +1,8 @@
 package com.annimon.everlastingsummer;
 
+import java.text.DateFormat;
 import java.util.List;
+import java.util.Locale;
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -9,6 +11,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.SeekBar;
 import android.widget.TextView;
+import android.widget.Toast;
 
 /**
  * Работа с диалогами.
@@ -83,9 +86,55 @@ public final class Dialogs {
         builder.show();
     }
     
-    public void showSaves(List<SaveInfo> saves, DialogInterface.OnClickListener listener) {
+    public void showSaves(final List<SaveInfo> saves, DialogInterface.OnClickListener listener) {
         builder.setTitle(R.string.load);
         builder.setAdapter(new SavesAdapter(context, saves), listener);
+        builder.setPositiveButton(R.string.remove, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.dismiss();
+                Dialogs.with(context).showSavesRemove(saves);
+            }
+        });
+        builder.setNegativeButton(android.R.string.cancel, dismissDialog);
+        builder.setCancelable(true);
+        builder.show();
+    }
+    
+    public void showSavesRemove(final List<SaveInfo> saves) {
+        final int size = saves.size();
+        final String[] items = new String[size];
+        final DateFormat format = DateFormat.getDateTimeInstance(
+                DateFormat.MEDIUM, DateFormat.MEDIUM, Locale.getDefault());
+        for (int i = 0; i < size; i++) {
+            final SaveInfo info = saves.get(i);
+            items[i] = format.format(info.getTime()) + "\n" + info.getPath();
+        }
+        final boolean[] checkedItems = new boolean[size];
+
+        builder.setTitle(R.string.remove);
+        builder.setMultiChoiceItems(items, checkedItems, new DialogInterface.OnMultiChoiceClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
+                checkedItems[which] = isChecked;
+            }
+        });
+        
+        builder.setPositiveButton(R.string.remove, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                boolean removed = false;
+                for (int i = 0; i < size; i++) {
+                    if (checkedItems[i]) {
+                        IOUtil.removeSaveInfo(context, Long.toString(saves.get(i).getTime()));
+                        removed = true;
+                    }
+                }
+                if (removed) {
+                    Toast.makeText(context, R.string.removed, Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
         builder.setNegativeButton(android.R.string.cancel, dismissDialog);
         builder.setCancelable(true);
         builder.show();

src/com/annimon/everlastingsummer/IOUtil.java

@@ -3,6 +3,7 @@ package com.annimon.everlastingsummer;
 import java.io.BufferedReader;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
+import java.io.File;
 import java.io.FileDescriptor;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -61,6 +62,13 @@ public final class IOUtil {
         dos.close();
     }
     
+    public static void removeSaveInfo(Context context, String filename) {
+        final File file = context.getFileStreamPath(filename);
+        if (file != null) {
+            file.delete();
+        }
+    }
+    
     private static FileInputStream streamForFD;
     public static FileDescriptor getFD(String file) throws IOException {
         if (streamForFD != null) streamForFD.close();