[예제] Toast 객체 사용하기

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<Button
	android:id="@+id/shortmsg"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:text="짧은 메시지"
	/>
<Button
	android:id="@+id/longmsg"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:text="긴 메시지"
	/>
<Button
	android:id="@+id/count1"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:text="카운트 연속 출력"
	/>
<Button
	android:id="@+id/count2"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:text="카운트 연속 출력2"
	/>
<Button
	android:id="@+id/customview"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"
	android:text="커스텀 뷰 표시"
	/>
</LinearLayout>

toast.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:id="@+id/toastlayout"
	android:orientation="vertical"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent">
 <TextView
 	android:layout_width="fill_parent"
 	android:layout_height="wrap_content"
 	android:text="This is custom view"
 	/>
</LinearLayout>

ToastTest.java

package org.catchabug.ToastTest;

import android.app.*;
import android.os.*;
import android.view.*;
import android.widget.*;

public class ToastTest extends Activity {
	Toast mToast = null;
	int count;
	String str;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        findViewById(R.id.shortmsg).setOnClickListener(mClickListener);
        findViewById(R.id.longmsg).setOnClickListener(mClickListener);
        findViewById(R.id.count1).setOnClickListener(mClickListener);
        findViewById(R.id.count2).setOnClickListener(mClickListener);
        findViewById(R.id.customview).setOnClickListener(mClickListener);
    }
    
    Button.OnClickListener mClickListener = new Button.OnClickListener() {
    	public void onClick(View v) {
    		switch(v.getId()) {
    		case R.id.shortmsg:
    			Toast.makeText(ToastTest.this, "잠시 나타나는 메시지", Toast.LENGTH_SHORT).show();
    			break;
    		case R.id.longmsg:
    			Toast.makeText(ToastTest.this, "조금 길게 나타나는 메시지", Toast.LENGTH_LONG).show();
    			break;
    		case R.id.count1:
    			str = "현재 카운트 = " + count++;
    			if(mToast != null) {
    				mToast.cancel();
    			}
    			mToast = Toast.makeText(ToastTest.this, str, Toast.LENGTH_SHORT);
    			mToast.show();
    			break;
    		case R.id.count2:
    			str = "현재 카운트 = " + count++;
    			if(mToast == null) {
    				mToast = Toast.makeText(ToastTest.this, str, Toast.LENGTH_SHORT);
    			} else {
    				mToast.setText(str);
    			}
    			mToast.show();
    			break;
    		case R.id.customview:
    			LinearLayout linear = (LinearLayout)View.inflate(ToastTest.this, R.layout.toast, null);
    			Toast t2 = new Toast(ToastTest.this);
    			t2.setView(linear);
    			t2.show();
    			break;
    		}
    	}
    };
}