Java tutorial
/* * This file is part of Domodroid. * * Domodroid is Copyright (C) 2011 Pierre LAINE, Maxime CHOFARDET * * Domodroid 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 3 of the License, or (at your option) any later * version. * * Domodroid 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 * Domodroid. If not, see <http://www.gnu.org/licenses/>. */ package widgets; import java.util.ArrayList; import java.util.List; import rinor.Rest_com; import database.DmdContentProvider; import database.JSONParser; import database.WidgetUpdate; import org.json.JSONException; import org.json.JSONObject; import org.w3c.dom.Text; import activities.Gradients_Manager; import activities.Graphics_Manager; import org.domogik.domodroid13.R; import android.annotation.SuppressLint; import android.app.Activity; import android.app.AlertDialog; import android.content.ContentValues; import android.content.DialogInterface; import android.content.SharedPreferences; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.Typeface; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.Message; import misc.List_Icon_Adapter; import misc.tracerengine; import android.view.Gravity; import android.view.View; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.View.OnLongClickListener; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TextView; import android.widget.Toast; @SuppressLint("HandlerLeak") public class Graphical_Binary_New extends Basic_Graphical_widget implements OnClickListener { private Button ON; private Button OFF; private TextView state; private String address; private String state_progress; private String url; private String usage; private int dev_id; private int id; private Handler handler; private String state_key; private String value0; private String value1; private String type; private int update; public boolean activate = false; private Animation animation; private boolean touching; private int updating = 0; private Message msg; private String name; private String wname; public static FrameLayout container = null; private static FrameLayout myself = null; private static String mytag = ""; private tracerengine Tracer = null; private Activity context = null; private String stateS = ""; private String Value_0 = "0"; private String Value_1 = "1"; private String place_type; private int place_id; private String login; private String password; private Entity_client session = null; private Boolean realtime = false; private int session_type; private SharedPreferences params; public Graphical_Binary_New(tracerengine Trac, Activity context, String address, String name, int id, int dev_id, String state_key, String url, final String usage, String parameters, String model_id, int update, int widgetSize, int session_type, int place_id, String place_type, SharedPreferences params) throws JSONException { super(context, Trac, id, name, "", usage, widgetSize, session_type, place_id, place_type, mytag, container); this.Tracer = Trac; this.context = context; this.address = address; this.url = url; this.state_key = state_key; this.dev_id = dev_id; this.id = id; this.usage = usage; this.update = update; this.name = name; this.wname = name; this.myself = this; this.session_type = session_type; this.stateS = getResources().getText(R.string.State).toString(); this.place_id = place_id; this.place_type = place_type; this.params = params; login = params.getString("http_auth_username", null); password = params.getString("http_auth_password", null); mytag = "Graphical_Binary_New(" + dev_id + ")"; //get parameters try { JSONObject jparam = new JSONObject(parameters.replaceAll(""", "\"")); value0 = jparam.getString("value0"); value1 = jparam.getString("value1"); } catch (Exception e) { value0 = "0"; value1 = "1"; } if (usage.equals("light")) { this.Value_0 = getResources().getText(R.string.light_stat_0).toString(); this.Value_1 = getResources().getText(R.string.light_stat_1).toString(); } else if (usage.equals("shutter")) { this.Value_0 = getResources().getText(R.string.shutter_stat_0).toString(); this.Value_1 = getResources().getText(R.string.shutter_stat_1).toString(); } else { this.Value_0 = value0; this.Value_1 = value1; } String[] model = model_id.split("\\."); type = model[0]; Tracer.d(mytag, "model_id = <" + model_id + "> type = <" + type + "> value0 = " + value0 + " value1 = " + value1); //state state = new TextView(context); state.setTextColor(Color.BLACK); state.setText("State :" + this.Value_0); final float scale = getContext().getResources().getDisplayMetrics().density; float dps = 40; int pixels = (int) (dps * scale + 0.5f); //first seekbar on/off ON = new Button(context); ON.setOnClickListener(this); ON.setHeight(pixels); //ON.setWidth(60); ON.setTag("ON"); ON.setText(this.Value_1); ON.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL); //ON.setBackgroundResource(R.drawable.boolean_on); //ON.setPadding(10, 0, 10, 0); OFF = new Button(context); OFF.setOnClickListener(this); OFF.setTag("OFF"); OFF.setHeight(pixels); //OFF.setWidth(60); OFF.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL); //OFF.setBackgroundResource(R.drawable.boolean_off); OFF.setText(this.Value_0); //OFF.setPadding(0,10,0,10); super.LL_featurePan.addView(ON); super.LL_featurePan.addView(OFF); super.LL_infoPan.addView(state); handler = new Handler() { @Override public void handleMessage(Message msg) { if (activate) { Tracer.d(mytag, "Handler receives a request to die "); if (realtime) { Tracer.get_engine().unsubscribe(session); session = null; realtime = false; } //That seems to be a zombie //removeView(background); myself.setVisibility(GONE); if (container != null) { container.removeView(myself); container.recomputeViewAttributes(myself); } try { finalize(); } catch (Throwable t) { } //kill the handler thread itself } else { try { Bundle b = msg.getData(); if ((b != null) && (b.getString("message") != null)) { if (b.getString("message").equals(value0)) { //state.setText(stateS+value0); state.setText(stateS + Value_0); IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 0)); } else if (b.getString("message").equals(value1)) { //state.setText(stateS+value1); state.setText(stateS + Value_1); IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 2)); } state.setAnimation(animation); } else { if (msg.what == 2) { Toast.makeText(getContext(), "Command Failed", Toast.LENGTH_SHORT).show(); } else if (msg.what == 9999) { //state_engine send us a signal to notify value changed if (session == null) return; String new_val = session.getValue(); Tracer.d(mytag, "Handler receives a new value <" + new_val + ">"); if (new_val.equals(value0)) { state.setText(stateS + Value_0); IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 0)); } else if (new_val.equals(value1)) { state.setText(stateS + Value_1); IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 2)); } else { state.setText(stateS + new_val); } } else if (msg.what == 9998) { // state_engine send us a signal to notify it'll die ! Tracer.d(mytag, "state engine disappeared ===> Harakiri !"); session = null; realtime = false; //removeView(background); myself.setVisibility(GONE); if (container != null) { container.removeView(myself); container.recomputeViewAttributes(myself); } try { finalize(); } catch (Throwable t) { } //kill the handler thread itself } } } catch (Exception e) { Tracer.e(mytag, "Handler error for device " + wname); e.printStackTrace(); } } } }; //================================================================================ /* * New mechanism to be notified by widgetupdate engine when our value is changed * */ WidgetUpdate cache_engine = WidgetUpdate.getInstance(); if (cache_engine != null) { session = new Entity_client(dev_id, state_key, mytag, handler, session_type); if (Tracer.get_engine().subscribe(session)) { realtime = true; //we're connected to engine //each time our value change, the engine will call handler handler.sendEmptyMessage(9999); //Force to consider current value in session } } //================================================================================ //updateTimer(); //Don't use anymore cyclic refresh.... } public void onClick(View v) { if (v.getTag().equals("OFF")) { IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 0)); state.setText(stateS + Value_0); state_progress = value0; } else if (v.getTag().equals("ON")) { IV_img.setBackgroundResource(Graphics_Manager.Icones_Agent(usage, 2)); state.setText(stateS + Value_1); state_progress = value1; } new CommandeThread().execute(); } public class CommandeThread extends AsyncTask<Void, Integer, Void> { @Override protected Void doInBackground(Void... params) { updating = 3; String Url2send = url + "command/" + type + "/" + address + "/" + state_progress; Tracer.i(mytag, "Sending to Rinor : <" + Url2send + ">"); JSONObject json_Ack = null; try { json_Ack = Rest_com.connect(Url2send, login, password); } catch (Exception e) { Tracer.e(mytag, "Rinor exception sending command <" + e.getMessage() + ">"); } try { Boolean ack = JSONParser.Ack(json_Ack); if (ack == false) { Tracer.i(mytag, "Received error from Rinor : <" + json_Ack.toString() + ">"); handler.sendEmptyMessage(2); } } catch (Exception e) { e.printStackTrace(); } return null; } } @Override protected void onWindowVisibilityChanged(int visibility) { if (visibility == 0) { //activate=true; } } }