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public class ToastUtils { private static Toast mToast; @SuppressLint("ShowToast") public static void showShortToast(String str) { if (mToast == null) { mToast = Toast.makeText(CrushApplication.instance, str, Toast.LENGTH_SHORT); } mToast.setText(str); mToast.show(); } public static void showShortToast(Activity activity, final String str){ if (activity == null || TextUtils.isEmpty(str)){ return; } activity.runOnUiThread(new Runnable() { @Override public void run() { showShortToast(str); } }); } }