ac01.java

基于ANdroid平台的高欢堂书籍的对应源代码 非常有用

package com.misoo.ppxx;

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.CompoundButton.OnCheckedChangeListener;

public class ac01 extends Activity implements OnCheckedChangeListener {
	  private final int WC = LinearLayout.LayoutParams.WRAP_CONTENT; 
	  private int state_var_A, state_var_B;
	  public boolean isCube; 
	  
	  @Override
      protected void onCreate(Bundle icicle) {
          super.onCreate(icicle);
          setContentView(R.layout.main);
          state_var_A = 0; //initial
          state_var_B = 0;
	      isCube = false;
          
	      goto_state_1();
      }
	 void goto_state_1()  //go to state-01 
	    {
	    	setTitle("State_1");
	    	state_var_A = 1;
	      	LinearLayout layout_01 = new LinearLayout(this);
	        layout_01.setOrientation(LinearLayout.VERTICAL);
	        LinearLayout.LayoutParams param = 
	         	new LinearLayout.LayoutParams(200, 250);
	        param.leftMargin = 1;
	        param.topMargin = 3;
	        if(state_var_B == 0 || state_var_B == 3)
	        	isCube = false;
	        else isCube = true;
	        MySurfaceView sv = new MySurfaceView(this);
	        sv.setCube(isCube);
	        layout_01.addView(sv,param);
	        setContentView(layout_01);
	    }
	  void goto_state_2() 
	    {
		    setTitle("State_2");
	    	state_var_A = 2;
	    	goto_state_3(); //default state   
	    }
	  void show_layout_02() 
	    {
	     	LinearLayout.LayoutParams para;
	    	LinearLayout layout_02 = new LinearLayout(this);
	        layout_02.setOrientation(LinearLayout.HORIZONTAL);
	        para = new LinearLayout.LayoutParams(200, 250);
	        para.leftMargin = 1;
	        para.topMargin = 3;
	        MySurfaceView sv = new MySurfaceView(this);
	        sv.setCube(isCube);
	        layout_02.addView(sv,para);
	        
	        CheckBox cx = new CheckBox(this);
	        cx.setText("Cube");
	        cx.setChecked(isCube);
	        cx.setOnCheckedChangeListener(this);
	        para = new LinearLayout.LayoutParams(WC, WC);
	        para.leftMargin = 30; 
	        para.topMargin = 30;
	        layout_02.addView(cx, para);
	        setContentView(layout_02);
	    }
	  void goto_state_3() 
	    { state_var_A = 2;
		  state_var_B = 3;
	      setTitle("State_3");
	    }
	  void goto_state_4() 
	    { state_var_A = 2;
		  state_var_B = 4;
		  setTitle("State_4");
	    }
	  @Override
	    public boolean onKeyDown(int keyCode, KeyEvent msg) {
	       switch(keyCode) {
	    	   case KeyEvent.KEYCODE_A:
	    		   if(state_var_A == 1)
	    			     if(isCube) 
	    			        {
	    			    	 this.show_layout_02();
	    			    	 goto_state_4();
	    			        }
    			         else 
    			        	 {  
    			        	 this.show_layout_02();
    			        	 goto_state_3();
    			        	 }
	    		   else if(state_var_A == 2)
	    			     goto_state_1();
	    		    break;
	       }
		    return true;
		 }
	  /*
	@Override
	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
		if(state_var_A == 2){
			if(state_var_B == 3)
				goto_state_4();
			else if(state_var_B == 4)
				goto_state_3();
		}
	} 
	*/
	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
		if(state_var_A == 2){
			if(state_var_B == 3)
				goto_state_4();
			else if(state_var_B == 4)
				goto_state_3();
		}
	} 
}