Android Open Source - Android-Desktop-Remote-Control Controller

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License

The source code is released under:

GNU General Public License

Java Source Code

//   Copyright 2010 Justin Taylor
//   This software can be distributed under the terms of the
//   GNU General Public License. 
//w w w  .ja  va  2  s  . co m
package org.example.touch;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;

import android.view.Display;
import android.view.MotionEvent;
import android.view.View.OnTouchListener;
import android.view.View.OnKeyListener;
import android.view.*;

import android.widget.Button;
import android.widget.EditText;
import android.text.Editable;
import android.text.TextWatcher;

import android.view.inputmethod.InputMethodManager;
import android.content.Context;


public class Controller extends Activity implements OnTouchListener, OnKeyListener{
  
  int lastXpos = 0;
  int lastYpos = 0;
  boolean keyboard = false;
  Thread checking;

  String delim = new String("!!");
  
  protected void onCreate(Bundle savedInstanceState) {
    
    super.onCreate(savedInstanceState);
      setContentView(R.layout.control);
    
     Display display = getWindowManager().getDefaultDisplay(); 
     int width = display.getWidth();
     
     Button left = (Button) findViewById(R.id.LeftClickButton);
     Button right =  (Button) findViewById(R.id.RightClickButton);
     
     left.setWidth(width/2);
     right.setWidth(width/2);
     
      View touchView = (View) findViewById(R.id.TouchPad);
      touchView.setOnTouchListener(this);
      
      EditText editText = (EditText) findViewById(R.id.KeyBoard);
      editText.setOnKeyListener(this);
      editText.addTextChangedListener(new TextWatcher(){
        public void  afterTextChanged (Editable s){
          Log.d("seachScreen", ""+s);
          s.clear();
          } 
          public void  beforeTextChanged  (CharSequence s, int start, int count, int after){ 
                  Log.d("seachScreen", "beforeTextChanged"); 
          } 
          public void  onTextChanged  (CharSequence s, int start, int before, int count) {
            AppDelegate appDel = ((AppDelegate)getApplicationContext());
            
            try{
              char c = s.charAt(start);
              appDel.sendMessage("KEY"+delim+c);
            }
            catch(Exception e){}
          }
      });
  }
  
  public void onStart(){
    super.onStart();

    AppDelegate appDel = ((AppDelegate)getApplicationContext());
    sendToAppDel(new String("Mouse Sensitivity!!"+appDel.mouse_sensitivity));
    
      new Thread(new Runnable(){
        AppDelegate appDel = ((AppDelegate)getApplicationContext());
        public void run(){
          while(appDel.connected){
            try{Thread.sleep(1000);}
            catch(Exception e){};
            if(!appDel.connected){
              finish();
            }
          }
        }
      }).start();
  }
  
  // detect touch events
  // and pass them to mousePadHandler method
  @Override
  public boolean onTouch(View v, MotionEvent event) {
    mousePadHandler(event);
     return true;
  }
  
  // detect keyboard event
  // and send to delegate
  @Override
  public boolean onKey(View v, int c, KeyEvent event){
    Log.d("ello", ""+event.getKeyCode());
    AppDelegate appDel = ((AppDelegate)getApplicationContext());
    
     appDel.sendMessage("S_KEY"+delim+event.getKeyCode());
    return false;
  }

  // send message to AppDelegate class
  // to be sent to server on client desktop
  private void sendToAppDel(String message){
    AppDelegate appDel = ((AppDelegate)getApplicationContext());
    if(appDel.connected){
      appDel.sendMessage(message);
    }
    else{
      finish();
    }
  }
  // send a mouse message
    private void mousePadHandler(MotionEvent event) {
      StringBuilder sb = new StringBuilder();
      
      int action = event.getAction();
      int touchCount = event.getPointerCount();
      
     // if a single touch
     // send movement based on action
      if(touchCount == 1){
      switch(action){
        case 0: sb.append("DOWN"+delim);
            sb.append((int)event.getX()+delim);
            sb.append((int)event.getY()+delim);
            break;
        
        case 1: sb.append("UP"+delim);
            sb.append(event.getDownTime()+delim);
            sb.append(event.getEventTime());
            break;
        
        case 2: sb.append("MOVE"+delim);
            sb.append((int)event.getX()+delim);
            sb.append((int)event.getY());
            break;
            
        default: break;
      }
      }

     // if two touches
     // send scroll message
     // based off MAC osx multi touch
     // scrolls up and down
      else if(touchCount == 2){
        sb.append("SCROLL"+delim);
        if(action == 2){
         sb.append("MOVE"+delim);
         sb.append((int)event.getX()+delim);
        sb.append((int)event.getY());
        }
        else
          sb.append("DOWN");
      }
      
     sendToAppDel(sb.toString());
   }
    
    public void LeftButtonClickHandler(View v){
      Log.d("eloo", "CLICKED");
      sendToAppDel("CLICK"+delim+"LEFT");
    }
    
    public void RightButtonClickHandler(View v){
      sendToAppDel("CLICK"+delim+"RIGHT");
    }
    
  // Show and hide Keyboard by setting the
  // focus on a hidden text field
    public void keyClickHandler(View v){
      EditText editText = (EditText) findViewById(R.id.KeyBoard);
      InputMethodManager mgr = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
      
      if(keyboard){
        mgr.hideSoftInputFromWindow(editText.getWindowToken(), 0);
        keyboard = false;
      }
      else{
        mgr.showSoftInput(editText, InputMethodManager.SHOW_IMPLICIT);
        keyboard = true;
      }
        
      Log.d("SET", "Foucs");
    }
}

Java Source Code List

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