处理焦点项目2

package com.example.testfocus;



import com.example.testfocus.OtherActivity.EditTextManagerWatcher;

import android.content.Context;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnFocusChangeListener;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

public class Other extends LinearLayout implements OnFocusChangeListener{
	private EditText editText1;
	private EditText editText2;
	private EditText editText3;
	private TextView test1;
	private TextView test2;
	private TextView test3;
	public Other(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
	}


	public Other(Context context, AttributeSet attrs) {
		super(context, attrs);
		LayoutInflater.from(context).inflate(R.layout.other, this, true);  
		init();
	}


	private void init() {
		editText1 =(EditText) findViewById(R.id.editText1);
		editText2 =(EditText) findViewById(R.id.editText2);
		editText3 =(EditText) findViewById(R.id.editText3);
		test1 =(TextView) findViewById(R.id.test1);
		test2 =(TextView) findViewById(R.id.test2);
		test3 =(TextView) findViewById(R.id.test3);
		test1.setTextColor(this.getResources().getColor(R.color.other));
		editText1.setOnFocusChangeListener(this);
		editText2.setOnFocusChangeListener(this);
		editText3.setOnFocusChangeListener(this);
		
	}

	/**
	 * 设置焦点位置
	 */

	@Override
	public void onFocusChange(View v, boolean hasFocus) {
		Editable editable;
		int len;
		switch (v.getId()) {
		case R.id.editText1:
			if(hasFocus){
				editText1.addTextChangedListener(new EditTextManagerWatcher(3, editText1)); 
				test1.setTextColor(getResources().getColor(R.color.other));
			}else{
				test1.setTextColor(getResources().getColor(R.color.white));
			}
			
			break;

		case R.id.editText2:
			if(hasFocus){
				editText2.addTextChangedListener(new EditTextManagerWatcher(3, editText2));
				test2.setTextColor(getResources().getColor(R.color.other));
			}
			else{
				test2.setTextColor(getResources().getColor(R.color.white));
			}
			break;
		case R.id.editText3:
			if(hasFocus){
				editText3.addTextChangedListener(new EditTextManagerWatcher(3, editText3)); 
				test3.setTextColor(getResources().getColor(R.color.other));
			}else{
				test3.setTextColor(getResources().getColor(R.color.white));
			}
			break;
		}

	}



	/**
	 * 
	 * <P> [功能] 监听输入内容是否超出最大长度，控制输入类型，</P>
	 * <P> [说明] </P>
	 * <P> [备注] </P>
	 * @author nWX212045
	 * @2014-03-3 上午09:48:27
	 */
	public class EditTextManagerWatcher implements TextWatcher {

		//最大长度
		private int maxLen;

		//监听改变的文本框
		private EditText editText;

		/**
		 * 构造函数
		 */
		public EditTextManagerWatcher(int maxLen,EditText editText){
			this.maxLen = maxLen;
			this.editText = editText;
		}

		@Override
		public void onTextChanged(CharSequence ss, int start, int before, int count) {
			Editable editable = editText.getText();
			int len = editable.length();
			//大于最大长度
			if(len == maxLen){
				/*int selEndIndex = Selection.getSelectionEnd(editable);
			String str = editable.toString();
			//截取新字符串
			String newStr = str.substring(0, maxLen);
			editText.setText(newStr);
			editable = editText.getText();
			//新字符串长度
			int newLen = editable.length();
			//旧光标位置超过字符串长度
			if(selEndIndex > newLen){
				selEndIndex = editable.length();
			}
			//设置新的光标所在位置
			Selection.setSelection(editable, selEndIndex);*/
				if(editText==editText1){
					

					editText2.setFocusable(true);
					editText2.setFocusableInTouchMode(true);
					editText2.requestFocus();
					//test1.setTextColor(getResources().getColor(R.color.white));
					test2.setTextColor(getResources().getColor(R.color.other));
				}else{
					if(editText==editText2){


						editText3.setFocusable(true);
						editText3.setFocusableInTouchMode(true);
						editText3.requestFocus();
						//test2.setTextColor(getResources().getColor(R.color.white));
						test3.setTextColor(getResources().getColor(R.color.other));
					}

				}
			}else if(len>maxLen){
				return;
			}

		}

		@Override
		public void afterTextChanged(Editable s) {
			try {
				String temp = s.toString();
				String tem = temp.substring(temp.length()-1, temp.length());
				char[] temC = tem.toCharArray();
				int mid = temC[0];
				if(mid>=48&&mid<=57){//数字
					return;
				}
				/*if(mid>=65&&mid<=90){//大写字母
			return;
			}
			if(mid>97&&mid<=122){//小写字母
			return;
			}*/
				//s.delete(temp.length()-1, temp.length());
			} catch (Exception e) {
				// TODO: handle exception
			}
		}

		@Override
		public void beforeTextChanged(CharSequence s, int start, int count,int after) {

		}

	}

	

}

<com.example.testfocus.Other 
    android:layout_width="match_parent"
        android:layout_height="wrap_content"
    ></com.example.testfocus.Other>


    
        
 
         
            
  
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