Android 動態生成 EditTest

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"

    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"

    android:orientation="vertical">

    <TextView android:text="@string/hello_world" android:layout_width="wrap_content"

        android:layout_height="wrap_content" />

    <LinearLayout

        android:id="@+id/layout_ll"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:orientation="vertical">

        <EditText

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:hint="1"/>

        <EditText

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:hint="2"/>

     </LinearLayout>

     <Button

         android:layout_width="fill_parent"

         android:layout_height="wrap_content"

         android:text="新增"

         android:onClick="onInsert"/>

      <Button

          android:layout_width="fill_parent"

          android:layout_height="wrap_content"

          android:text="最後一個Edit的資料"

          android:onClick="onLast"/>

    <Button

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="倒數第二個Edit的資料"

        android:onClick="onFast"/>

</LinearLayout>

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);

           }

       }

   }

}