EditText使用

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MainActivity.java

package com.example.widgetall;

import android.os.Bundle;

import android.app.Activity;

import android.view.View;

import android.content.Intent;

import android.widget.Button;

public class MainActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        find_and_modify_button();

    }

    private void find_and_modify_button(){

        Button edit_view_button=(Button)findViewById(R.id.edit_view_button);

         edit_view_button.setOnClickListener(edit_view_button_listener);

    }

    private Button.OnClickListener  edit_view_button_listener=new Button.OnClickListener(){

        public void onClick(View v){

            Intent intent=new Intent();

            intent.setClass(MainActivity.this, EditTextActivity.class);

            startActivity(intent);         

        }

    };

}

EditTextActivity.java

package com.example.widgetall;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.EditText;

import android.widget.TextView;

public class EditTextActivity extends Activity {

         @Override

         protected void onCreate(Bundle savedInstanceState) {

                   super.onCreate(savedInstanceState);

                   setTitle("EditView Activity");

                   setContentView(R.layout.editview);               

                   find_and_modify_editview();

         }

         private void find_and_modify_editview(){

                   Button get_edit_view_button=(Button)findViewById(R.id.get_edit_view_button);

                   get_edit_view_button.setOnClickListener(get_edit_view_button_listener);

         }

         private Button.OnClickListener get_edit_view_button_listener=new Button.OnClickListener(){

                   public void onClick(View v){

                            EditText edit_text=(EditText)findViewById(R.id.edit_text);

                            CharSequence edit_text_value=edit_text.getText();

                            setTitle("Edit的值："+edit_text_value);

                   }

         };

}

EditText使用

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原文地址：http://www.cnblogs.com/mqx365/p/4624826.html