这几天，开始一个项目，需要一个小效果，就是一个输入邮箱地址的EditTest 需要动态的添加。默认有两个，然后最多5个，手机的屏幕总是有限的

 好的 ，这就上代码了

 

 布局文件

　　这里时用一个有ID 的  LinearLayout   后面拿到它，向它加入EditTest 就OK了。

 

 java 代码

package com.quseit.listedit.listedit;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.EditText;import android.widget.LinearLayout;import android.widget.Toast;public class MainActivity extends ActionBarActivity {    private LinearLayout layout_ll;    private int edit_i=0;    private String[] Param;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();    }    public void initView(){          layout_ll=(LinearLayout)findViewById(R.id.layout_ll);    }    public void setEdit(){        EditText edit_l=new EditText(this);        edit_i++;        edit_l.setTag(edit_i);        edit_l.setHint(edit_i + "");        edit_l.setText(edit_i + "zheshi");        layout_ll.addView(edit_l);    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }    public void onInsert(View v){        setEdit();    }    public void onLast(View v){        int i=layout_ll.getChildCount();        EditText e  =(EditText)layout_ll.getChildAt(i-1);        Toast.makeText(this,e.getText().toString()+":"+i,Toast.LENGTH_SHORT).show();    }    public void onFast(View v){        int i=layout_ll.getChildCount();        EditText e  =(EditText)layout_ll.getChildAt(i-2);        Toast.makeText(this,e.getText().toString()+":"+i,Toast.LENGTH_SHORT).show();    }   public void getEditstr(){       int edit_i=layout_ll.getChildCount();       if(edit_i>0) {           for (int i = 0; i < edit_i; i++) {               EditText edit = (EditText) layout_ll.getChildAt(i);           }       }   }}

其实，实现还是很简单的，只需要 getChildAt()  一下 拿到 LinearLayout里面的 节点  注意LinearLayout最好只放EditTest