AndroidでAlertを表示する.
xxxActivityクラスのフィールド変数として宣言
AlertDialog.Builder builder;
xxxActivity.onCreate関数内で
builder = new AlertDialogBuilder(this);
必要なときに
builder.setTitle("Network Error") .setMessage("Cloud was down") .setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method } }); AlertDialog alertDialog = builder.create(); alertDialog.show();