1、API 11之后: android.content.ClipboardManager。调用方式:
ClipboardManager cm = (ClipboardManager) this.getSystemService(this.CLIPBOARD_SERVICE);
cm.setPrimaryClip(ClipData.newPlainText("hello", "hello"));
参考:
http://developer.android.com/reference/android/content/ClipboardManager.html
http://developer.android.com/reference/android/content/ClipData.html