Toast的简单使用

[img]http://dl.iteye.com/upload/attachment/547097/43fe21be-98f8-369b-ab62-5fb39da867dc.jpg" alt="[/img]

import android.app.Activity;

import android.os.Bundle;

import android.text.Editable;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

/**

 * Toast的使用

 *

 */

public class ActivityMain extends Activity {

    private Button mButton;

    private EditText mEditText;



    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);



        mButton =(Button) findViewById(R.id.myButton);

        mEditText = (EditText) findViewById(R.id.myEditText);



        mButton.setOnClickListener(new Button.OnClickListener(){

            public void onClick(View v) {

                Editable Str = mEditText.getText();



                //使用系统标准的makeText()方式来产生Toast信息

                Toast.makeText(ActivityMain.this, "你的汇报 "+Str.toString() + "已发送到老婆大人的邮箱！", Toast.LENGTH_LONG).show();



                //清空EditText

                mEditText.setText("");

            }

        });

    }

}