Migrated project to latest Android SDK and moved sources out of 'main' dir

Sorry for the conflicts caused by moving the sources!

src/org/kde/kdeconnect/Plugins/Plugin.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2014 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
+*/
+
+package org.kde.kdeconnect.Plugins;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.widget.Button;
+
+import org.kde.kdeconnect.Device;
+import org.kde.kdeconnect.NetworkPackage;
+
+public abstract class Plugin {
+
+    protected Device device;
+    protected Context context;
+
+    public void setContext(Context context, Device device) {
+        this.device = device;
+        this.context = context;
+    }
+
+    /**
+     * Return the internal plugin name, that will be used as a
+     * unique key to distinguish it. This function can not access
+     * this.context nor this.device.
+     */
+    public abstract String getPluginName();
+
+    /**
+     * Return the human-readable plugin name. This function can
+     * access this.context to provide translated text.
+     */
+    public abstract String getDisplayName();
+
+    /**
+     * Return the human-readable description of this plugin. This
+     * function can access this.context to provide translated text.
+     */
+    public abstract String getDescription();
+
+    /**
+     * Return an icon associated to this plugin. This function can
+     * access this.context to load the image from resources.
+     */
+    public abstract Drawable getIcon();
+
+    /**
+     * Return true if this plugin should be enabled on new devices.
+     * This function can access this.context and perform compatibility
+     * checks with the Android version, but can not access this.device.
+     */
+    public abstract boolean isEnabledByDefault();
+
+
+    /**
+     * Return true if this plugin needs an specific UI settings.
+     */
+    public abstract boolean hasSettings();
+
+    /**
+     * Initialize the listeners and structures in your plugin.
+     * Should return true if initialization was successful.
+     */
+    public abstract boolean onCreate();
+
+    /**
+     * Finish any ongoing operations, remove listeners... so
+     * this object could be garbage collected.
+     */
+    public abstract void onDestroy();
+
+    /**
+     * If onCreate returns false, should create a dialog explaining
+     * the problem (and how to fix it, if possible) to the user.
+     */
+    public abstract boolean onPackageReceived(NetworkPackage np);
+
+    /**
+     * If onCreate returns false, should create a dialog explaining
+     * the problem (and how to fix it, if possible) to the user.
+     */
+    public abstract AlertDialog getErrorDialog(Activity deviceActivity);
+
+    /**
+     * Creates a button that will be displayed in the user interface
+     * It can open an activity or perform any other action that the
+     * plugin would wants to expose to the user. Return null if no
+     * button should be displayed.
+     */
+    public abstract Button getInterfaceButton(Activity activity);
+
+
+}