分享开发 Android 手机施用的开发经验——QR生成器

          

<RadioGroup
      android:id="@+id/select"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="vertical"
    >
      <RadioButton
        android:id="@+id/select1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="名片"
      >
      </RadioButton>
      <RadioButton
        android:id="@+id/select2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="短信"
      >
      </RadioButton>
         <RadioButton
        android:id="@+id/select3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="电子邮件"
      >
      </RadioButton>
        <RadioButton
        android:id="@+id/select4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="文本"
      >
      </RadioButton>
        <RadioButton
        android:id="@+id/select5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="网址书签"
      >
      </RadioButton>
    </RadioGroup>

 private RadioGroup.OnCheckedChangeListener mChangeRadio=new RadioGroup.OnCheckedChangeListener()
    {
    	@Override
    	public void onCheckedChanged(RadioGroup group,int checkedId)
    	{
    		if(checkedId==mRadioname.getId())
    		{
    			jumptolayoutbusinesscard();//跳到名片界面
    			
    		}
    		else if(checkedId==mRadiosms.getId())
    		{
    			jumptolayoutsms();//跳到短信界面
    		}
    		else if(checkedId==mRadioemail.getId())
    		{
    			jumptolayoutemail();//跳到电子邮件界面
    		}
    		else if(checkedId==mRadiotext.getId())
    		{
    			jumptolayouttext();//跳到文本界面
    		}
    		else
    		{
    			jumptolayouturl();//跳到网络标签界面
    		}
    	}
    };

 public boolean onCreateOptionsMenu(Menu menu)
    {
      menu.add(0, 0, 0, R.string.app_about);
      menu.add(0, 1, 1, R.string.str_exit);
      return super.onCreateOptionsMenu(menu);
    }
    
    public boolean onOptionsItemSelected(MenuItem item)
    {
      super.onOptionsItemSelected(item);
      switch(item.getItemId())
      {
        case 0:
          openOptionsDialog();
          break;
        case 1:
          finish();
          break;
      }
      return true;
    }
    
    private void openOptionsDialog()
    {
      new AlertDialog.Builder(this)
      .setTitle(R.string.app_about)
      .setMessage(R.string.app_about_msg)
      .setPositiveButton(R.string.str_ok,
          new DialogInterface.OnClickListener()
          {
           public void onClick(DialogInterface dialoginterface, int i)
           {
           }
           }
          )
      .show();
    }

public Bitmap AndroidQREncode(String strEncoding, int qrcodeVersion) {
		Log.i("wwj", "QREncode");
		Bitmap canvasBmp = null;

		try {
			// 构建QRCode编码对象
			com.swetake.util.Qrcode testQrcode = new com.swetake.util.Qrcode();

			/* L','M','Q','H' */
			testQrcode.setQrcodeErrorCorrect('M');//错误修正率
			/* "N","A" or other */
			testQrcode.setQrcodeEncodeMode('B');
			/* 0-20 */
			testQrcode.setQrcodeVersion(qrcodeVersion);
			// getBytes
			byte[] bytesEncoding = strEncoding.getBytes("utf-8");

			if (bytesEncoding.length > 0) {
				// 转化成boolean数组
				bEncoding = testQrcode.calQrcode(bytesEncoding);
				int w = 320;
				int h = 240;
				canvasBmp = Bitmap.createBitmap(w, h, Config.ARGB_8888);//创建一个可改变的Bitmat对象
				Canvas cn = new Canvas(canvasBmp);//创建Canvas对象
				onDraw(cn);//调用画图函数
				cn.save(Canvas.ALL_SAVE_FLAG);
				cn.restore();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return canvasBmp;
	}

//在SurfaceView上绘制QRCode条形码
  private void drawQRCode(boolean[][] bRect, int colorFill)
  {
    /* test Canvas*/
    int intPadding = 20;
    
  //绘图前先锁定Surfaceholder
    Canvas mCanvas01 = mSurfaceHolder01.lockCanvas();
  //设置画图绘图颜色
    mCanvas01.drawColor(getResources().getColor(R.drawable.white));
    
    //创建画笔
    Paint mPaint01 = new Paint();
    
    //设置画笔颜色和模式
    mPaint01.setStyle(Paint.Style.FILL);
    mPaint01.setColor(colorFill);
    mPaint01.setStrokeWidth(1.0F);
    
    //逐一加载boolean数组
    for (int i=0;i<bRect.length;i++)
    {
      for (int j=0;j<bRect.length;j++)
      {
        if (bRect[j][i])
        {
          //绘出条形码方块
          mCanvas01.drawRect
          (
            new Rect
            (
              intPadding+j*3+2,//左上边x
              intPadding+i*3+2,//左上边y
              intPadding+j*3+2+3,//右下边x
              intPadding+i*3+2+3//右下边y
             ), mPaint01
          );
        }
      }
    }
   //解锁并绘图
    mSurfaceHolder01.unlockCanvasAndPost(mCanvas01);
   
  }
  

public void onDraw(Canvas mCanvas01) {
		super.onDraw(mCanvas01);
		Log.i("wwj", "onDraw");
		int intPadding = 50;
		// 设置画图绘图颜色
		mCanvas01.drawColor(getResources().getColor(R.drawable.white));

		// 创建画笔
		Paint mPaint01 = new Paint();

		// 设置画笔颜色和模式
		mPaint01.setStyle(Paint.Style.FILL);
		mPaint01.setColor(getResources().getColor(R.drawable.black));
		mPaint01.setStrokeWidth(1.0F);

		// 逐一加载boolean数组
		for (int i = 0; i < bEncoding.length; i++) {
			for (int j = 0; j < bEncoding.length; j++) {
				if (bEncoding[j][i]) {
					// 绘出条形码方块
					mCanvas01.drawRect(new Rect(intPadding + j * 3 + 2,// 左上边x
							intPadding + i * 3 + 2,// 左上边y
							intPadding + j * 3 + 2 + 3,// 右下边x
							intPadding + i * 3 + 2 + 3// 右下边y
					), mPaint01);
				}
			}

		}
	}

public void saveMyBitmap(String bitName, Bitmap bmp) throws IOException {
		
		File f = new File("/sdcard/" + bitName + ".png");		
		f.createNewFile();	
		FileOutputStream fOut = null;
		try {
			fOut = new FileOutputStream(f);

		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		// Log.i("wwj",""+bmp);
		bmp.compress(Bitmap.CompressFormat.PNG, 100, fOut);
		try {
			fOut.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		try {
			fOut.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

29 楼 win7qi 2011-10-21  

求源代码！！

32 楼 De_Hink 2011-12-05  

哥们，发一下源码：11475640@qq.com
谢谢