学步园

package com.example.testPackage;

import android.net.Uri;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RelativeLayout;
import android.widget.Toast;
import android.app.Activity;
import android.content.Intent;


public class MainActivity extends Activity {

	private static int HORIZON_MAX_COUNT = 3;
	private static int BUTTON_COUNT = 15;
	
	private static int LEFT_SPACE = 5;			//边界距离
	private static int TOP_SPACE = 5;		
	private static int VERTICAL_SPACE = 5;		//控件间距离
	private static int HORIZON_SPACE = 5;
	private static int BUTTON_HEIGHT = 60;
	private static int BUTTON_START_ID = 3000;
	
	private static int EDIT_HEIGHT = 60;
	

	private EditText m_EditViewPhoneNum;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		DisplayMetrics dm = new DisplayMetrics();
		getWindowManager().getDefaultDisplay().getMetrics(dm);;
		
		RelativeLayout layout = new RelativeLayout(this);
		Button buttons[] = new Button[BUTTON_COUNT];
		String[] m_strNames = {"1","2","3","4","5","6","7","8","9","*","0","#","call","IP","Mail"};
		
		int nLayoutW = 1;
		int nlayoutH = 1;
		int nEditWide = dm.widthPixels;
		int nPerButtonWide = (dm.widthPixels - LEFT_SPACE)/HORIZON_MAX_COUNT - HORIZON_SPACE;

		
		m_EditViewPhoneNum = new EditText(this);
		m_EditViewPhoneNum.setId(2999);
		
		RelativeLayout.LayoutParams btPhoneNum = new RelativeLayout.LayoutParams(nEditWide,EDIT_HEIGHT);
		btPhoneNum.topMargin = 1;
		btPhoneNum.leftMargin = 1;
		layout.addView(m_EditViewPhoneNum);
		
		for(int i=0;i<BUTTON_COUNT;i++)
		{
			buttons[i] = new Button(this);
			buttons[i].setId(BUTTON_START_ID+i);
			buttons[i].setText(m_strNames[i]);
			
			String strBuf;
			strBuf = "nlayoutH:" + nlayoutH + "\tnLayoutW:" + nLayoutW;
			Log.e(strBuf, "layout");
			
			RelativeLayout.LayoutParams btParams = new RelativeLayout.LayoutParams(nPerButtonWide,BUTTON_HEIGHT);
			
			btParams.topMargin = TOP_SPACE + EDIT_HEIGHT + VERTICAL_SPACE + ((BUTTON_HEIGHT + VERTICAL_SPACE) * (i/HORIZON_MAX_COUNT));
			btParams.leftMargin = LEFT_SPACE + ((nPerButtonWide + HORIZON_SPACE) * (i%HORIZON_MAX_COUNT));
			
			layout.addView(buttons[i],btParams);
		}
		
		this.setContentView(layout);

		for(int i=0;i<BUTTON_COUNT;i++)
		{
			buttons[i].setTag(i);
			buttons[i].setOnClickListener(new Button.OnClickListener()
			{
				@Override
				public void onClick(View view)
				{
					String strBuf;
					strBuf = "click button:" + view.getId();
					Log.v(strBuf, "按键");
					GetViewString(view);
				}
			});
		}
	}
	void PrintPressButton(String strData)
	{
		int nIndex = m_EditViewPhoneNum.getSelectionStart();
		m_EditViewPhoneNum.getText().insert( nIndex, strData).toString();
		m_EditViewPhoneNum.setSelection(nIndex + 1);
	}

	void GetViewString(View view)
	{
		switch(view.getId())
		{
		case 3000:PrintPressButton("1");
			break;
		case 3001:PrintPressButton("2");
			break;
		case 3002:PrintPressButton("3");
			break;
		case 3003:PrintPressButton("4");
			break;
		case 3004:PrintPressButton("5");
			break;
		case 3005:PrintPressButton("6");
			break;
		case 3006:PrintPressButton("7");
			break;
		case 3007:PrintPressButton("8");
			break;
		case 3008:PrintPressButton("9");
			break;
		case 3009:PrintPressButton("*");
			break;
		case 3010:PrintPressButton("0");
			break;
		case 3011:PrintPressButton("#");
			break;
		case 3012:
			{
				String strPhoneNum = m_EditViewPhoneNum.getText().toString();
				startPhoneCall(strPhoneNum);
			}break;
		case 3013:
			{
				String strPhoneNum = m_EditViewPhoneNum.getText().toString();
				strPhoneNum = "17911" + strPhoneNum;
				startPhoneCall(strPhoneNum);
			}
			break;
		case 3014:PrintPressButton("Email");
			break;
		}
	};
	
	private void startPhoneCall(String strPhoneNum)
	{
		if(strPhoneNum==null||"".equals(strPhoneNum.trim()))
		{
			Toast.makeText(getApplicationContext(), "没有电话号码",strPhoneNum.length()).show();
		}
		else
		{
			Toast.makeText(getApplicationContext(), "有电话号码"+strPhoneNum,Toast.LENGTH_SHORT).show();
			Intent intent=new Intent(Intent.ACTION_CALL,Uri.parse("tel:"+strPhoneNum));
			startActivity(intent);
		}
	}
}