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 java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.app.Activity;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.CompoundButton.OnCheckedChangeListener;

public class ac01 extends Activity implements 
                        OnCheckedChangeListener, OnClickListener {
	private final int WC = LinearLayout.LayoutParams.WRAP_CONTENT; 
	private int state_var_A, state_var_B;
	private int state_var_C, state_var_D;
	
	private TextView tx;
    private String file_name = null;
  
    @Override public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
        this.goto_state_1();    
    }
    void show_layout_01(){
    	RadioGroup rg = new RadioGroup(this); 
        RadioGroup.LayoutParams rg_param
            = new RadioGroup.LayoutParams(WC, WC); 
        rg.setOrientation(RadioGroup.HORIZONTAL);
        rg.setLayoutParams(rg_param); 
       // rg.setOnClickListener(this);

        RadioButton rb_btn1 = new RadioButton(this); 
        rb_btn1.setText("KM.xml");
        rb_btn1.setId(1001);
        rb_btn1.setChecked(false);
        rb_btn1.setOnClickListener(this);
        rg.addView(rb_btn1,rg_param); 

        RadioButton rb_btn2 = new RadioButton(this); 
        rb_btn2.setText("Customer.xml"); 
        rb_btn2.setId(1002);
        rb_btn2.setChecked(false);
        rb_btn2.setOnClickListener(this);
        rg_param.leftMargin = 12;
        rg.addView(rb_btn2, rg_param); 
        //=================================
       
        LinearLayout.LayoutParams l_ck_param;
       	LinearLayout ck_layout = new LinearLayout(this);
    	ck_layout.setOrientation(LinearLayout.HORIZONTAL);   
        
    	CheckBox cx1 = new CheckBox(this);
    	cx1.setId(2001);
	    cx1.setText("Bold");
	    cx1.setChecked(false);
	    cx1.setOnCheckedChangeListener(this);
	    l_ck_param = new LinearLayout.LayoutParams(WC, WC);
	    l_ck_param.topMargin = 20;
	    l_ck_param.leftMargin = 12;
	    ck_layout.addView(cx1, l_ck_param);
	    
	    CheckBox cx2 = new CheckBox(this);
	    cx2.setId(2002);
	    cx2.setText("Italic");
	    cx2.setChecked(false);
	    cx2.setOnCheckedChangeListener(this);
	    l_ck_param = new LinearLayout.LayoutParams(WC, WC);
	    l_ck_param.topMargin = 20;
	    l_ck_param.leftMargin = 32;
	    ck_layout.addView(cx2, l_ck_param);
        //================================
       
        LinearLayout.LayoutParams param;
       	LinearLayout layout = new LinearLayout(this);
    	layout.setOrientation(LinearLayout.VERTICAL);
      	
    	param = new LinearLayout.LayoutParams(WC, WC);
        param.leftMargin = 3;
        param.topMargin = 3;
        layout.addView(ck_layout,param);
         
        tx = new TextView(this);
        tx.setBackgroundResource(R.drawable.bk);
        param = new LinearLayout.LayoutParams(300, 150);
        param.leftMargin = 3;
        param.topMargin = 3;
        layout.addView(tx,param);
        
    	param = new LinearLayout.LayoutParams(WC, WC);
        param.leftMargin = 3; 
        param.topMargin = 10;
        layout.addView(rg, param);
        //-------------------------------------
        setContentView(layout);
    }
    void goto_state_1() // Transit
    {
      	state_var_A = 1;
    	goto_state_2();
    }  
    void goto_state_2() 
    {
    	state_var_A = 2;
    	this.show_layout_01();
      	state_var_B = 3;  // default
     	state_var_C = 6;  // default
     	state_var_D = 8;  // default
    }  
    
    void goto_state_3() 
    {
        state_var_B = 3;
        tx.setTextColor(Color.RED);
  	    tx.setText(" Select a XML file...");
    }  
    void goto_state_4() 
    {
        state_var_B = 4;
        tx.setTextColor(Color.BLACK);
   	    file_name = "/res/raw/km.xml";
   	    this.transition_action();
    }  
    void goto_state_5() 
    {
        state_var_B = 5;
        tx.setTextColor(Color.BLUE);
   	    file_name = "/res/raw/customer.xml";
   	    this.transition_action();
    }  
    void goto_state_6() 
    {
        state_var_C = 6;
        this.transition_action();
    } 
    void goto_state_7() 
    {
        state_var_C = 7;
        this.transition_action();
    }  
    void goto_state_8() 
    {
        state_var_D = 8;
        this.transition_action();
      }  
    void goto_state_9() 
    {
        state_var_D = 9;
        this.transition_action();
     }  
    void transition_action() 
    {
        this.showXml(file_name);
    }  
    public void showXml(String full_name) {
    	 if(state_var_B == 3)
	    	{ tx.setTextColor(Color.RED);
	    	  tx.setText(" Select a XML file...");
	    	  return;
	    	}
    		String preXml = "";
    		InputStream is = R.class.getResourceAsStream(full_name);
    		if(is == null)
    			setTitle("fail to open " + full_name);
    		BufferedInputStream bso = new BufferedInputStream(is);
    	  	BufferedReader reader = new BufferedReader(new InputStreamReader(bso));
     	  	String s;
    		try {
    			s = reader.readLine();
    		   	while(s != null){
       	        preXml += s.trim();;	
    	   	    s = reader.readLine();
    	  	    }
    		}
    	    catch (Exception e1) {
    	     	e1.printStackTrace();
    	   }
    	  tx.setText(preXml);
          if(state_var_C == 7 && state_var_D == 9 )    	  
              tx.setTypeface(null, Typeface.BOLD_ITALIC);
          else if(state_var_C == 7)
        	  tx.setTypeface(null, Typeface.BOLD);
          else if(state_var_D == 9)
        	  tx.setTypeface(null, Typeface.ITALIC);
          else
        	  tx.setTypeface(null, Typeface.NORMAL);
    }
   
	@Override
	public void onClick(View v) {
		 if(v.getId() == 1001) {
			 if(state_var_B == 3 || state_var_B == 5)
    			goto_state_4();
		 }
         else if(v.getId() == 1002){
            	 if(state_var_B == 3 || state_var_B == 4)
            	     goto_state_5();
         }
    }
	@Override
	public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
		if(buttonView.getId() == 2001){
			if(state_var_C == 6)
			    goto_state_7();
			else if(state_var_C == 7)
				goto_state_6();
		}
	   else if(buttonView.getId() == 2002){
		    if(state_var_D == 8)
			    goto_state_9();
			else if(state_var_D == 9)
				goto_state_8();
	   }
	}
}