Android中使用Toast.cancel()方法优化toast内容显示的解决方法

void cancel()
Close the view if it's showing, or don't show it if it isn't showing yet.

package com.arui.framework.android.util;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.widget.Toast;

/**
* Toast util class.
*
* @author http://yii666.net
* @version 2011/11/30
*
*/
public class Twww.yii666.comoastUtil {
private static Handler handler = new Handler(Looper.getMainLooper());
private static Toast toast = null;
private static Object synObj = new Object();
public static void showMessage(final Context act, final String msg) {
showMessage(ac文章来源站点https://www.yii666.com/t, msg, Toast.LENGTH_SHORT);
}
public static void showMessage(final Context act, final int msg) {
showMessage(act, msg, Toast.LENGTH_SHORT);
}
public static void showMessage(final Context act, fi文章来源地址75815.htmlnal String msg,
final int len) {
new Thread(new Runnable() {
public void run() {
handler.post(new Runnable() {
@Override
public void run() {
synchronized (synObj) {
if (toast != null) {
toast.cancel();
toast.setText(msg);
toast.setDuration(len);
} else {
toast = Toast.makeText(act, msg, len);
}
toast.show();
}
}
});
}
}).start();
}

public static void showMessage(final Context act, final int msg,
final int len) {
new Thread(new Runnable() {
public void run() {
handler.post(new Runnable() {
@Override
public void run() {
synchronized (synObj) {
if (toast != null) {
toast.cancel();
toast.setText(msg);
twww.yii666.comoast.setDuration(len);
} else {
toast = Toast.makeText(act, msg, len);
}
toast.show();
}
}
});
}
}).start();
}
}