Android封装Toast工具类

Android封装Toast工具类

/**
 * Created by Chen Chuanwen on 2016/12/19.
 * Toast工具类
 */

public class ToastUtils {
    private static Handler handler = new Handler(Looper.getMainLooper());
    private static Toast toast = null;
    private static Object synObj = new Object();

    /**
     * Toast发送消息，默认Toast.LENGTH_SHORT
     *
     * @param act
     * @param msg
     */
    public static void showMessage(final Context act, final String msg) {
        showMessage(act, msg, Toast.LENGTH_SHORT);
    }

    /**
     * Toast发送消息，默认Toast.LENGTH_LONG
     *
     * @param act
     * @param msg
     */
    public static void showMessageLong(final Context act, final String msg) {
        showMessage(act, msg, Toast.LENGTH_LONG);
    }


    /**
     * Toast发送消息
     *
     * @param act
     * @param msg
     * @param len
     */
    private static void showMessage(final Context act, final 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.setText(msg);
                                toast.setDuration(len);
                            } else {
                                toast = Toast.makeText(act, msg, len);
                            }
                            toast.show();
                        }
                    }
                });
            }
        }).start();
    }
}
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