Java tutorial
/* * Copyright (C) 2011 The Stanford MobiSocial Laboratory * * This file is part of Musubi, a mobile social network. * * 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) any later version. * * 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package edu.stanford.mobisocial.dungbeetle.feed.objects; import mobisocial.socialkit.Obj; import mobisocial.socialkit.musubi.DbObj; import org.json.JSONException; import org.json.JSONObject; import android.content.Context; import android.telephony.TelephonyManager; import android.view.Gravity; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.TextView; import edu.stanford.mobisocial.dungbeetle.feed.iface.DbEntryHandler; import edu.stanford.mobisocial.dungbeetle.feed.iface.FeedRenderer; import edu.stanford.mobisocial.dungbeetle.model.Contact; import edu.stanford.mobisocial.dungbeetle.model.DbObject; public class PhoneStateObj extends DbEntryHandler implements FeedRenderer { public static final String EXTRA_STATE_UNKNOWN = "UNKNOWN"; public static final String TYPE = "phone"; public static final String ACTION = "action"; public static final String NUMBER = "num"; @Override public String getType() { return TYPE; } public static DbObject from(String action, String number) { return new DbObject(TYPE, json(action, number)); } public static JSONObject json(String action, String number) { JSONObject obj = new JSONObject(); try { obj.put(ACTION, action); obj.put(NUMBER, number); } catch (JSONException e) { } return obj; } public void handleDirectMessage(Context context, Contact from, JSONObject obj) { } public void render(Context context, ViewGroup frame, Obj obj, boolean allowInteractions) { JSONObject content = obj.getJson(); TextView valueTV = new TextView(context); valueTV.setText(asText(content)); valueTV.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT)); valueTV.setGravity(Gravity.TOP | Gravity.LEFT); frame.addView(valueTV); } private String asText(JSONObject obj) { StringBuilder status = new StringBuilder(); String a = obj.optString(ACTION); String b = obj.optString(NUMBER); if (TelephonyManager.EXTRA_STATE_OFFHOOK.equals(a)) { status.append("Calling "); } else if (TelephonyManager.EXTRA_STATE_IDLE.equals(a)) { status.append("Ending phone call with "); } else if (TelephonyManager.EXTRA_STATE_RINGING.equals(a)) { status.append("Inbound call from "); } status.append(b).append("."); return status.toString(); } @Override public boolean doNotification(Context context, DbObj obj) { return false; } }