android notification 多个action时，PendingIntent中extra数据始终一样

最近需要在项目中添加Android 4.1 Notification BigPicture 支持，来让这个提醒条更加美观。下面便是代码：

Intent notificationIntent = fillDatabaseContentToIntent(context, cursor1, cursor2, false); Intent shareIntent = fillDatabaseContentToIntent(context, cursor1, cursor2, true);

cursor1.close(); cursor2.close(); if(myDbHelper != null) myDbHelper.close(); Bitmap bitmapForBigPicture = BitmapFactory.decodeResource(context.getResources(), R.drawable.background1);

NotificationCompat.Builder notification = new NotificationCompat.Builder(context) .setSmallIcon(R.drawable.fish_grey) .setContentTitle(contentTitle) .setContentText(contentText) .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(bitmapForBigPicture).setSummaryText(contentText).setBigContentTitle(contentTitle)) .addAction( android.R.drawable.ic_menu_add, “View”, PendingIntent.getActivity(context, (int) System.currentTimeMillis(), notificationIntent, 0, null)) .addAction( android.R.drawable.ic_menu_share, “Share”, PendingIntent.getActivity(context, (int) System.currentTimeMillis() + 10, shareIntent, 0, null));

private Intent fillDatabaseContentToIntent(Context context, Cursor cursor1, Cursor cursor2, boolean openShare) { Intent notificationIntent = new Intent(context, DetailActivity.class); notificationIntent.putExtra(DataBaseHelper.CONTENT_ID_FOR_EXTRAS, cursor1.getLong(cursor1.getColumnIndexOrThrow(DataBaseHelper.CONTENT_ID))); notificationIntent.putExtra(DataBaseHelper.CATEGORY_ID_FOR_EXTRAS, DataBaseHelper.FAKE_CATEGORY_ID_DAILY); notificationIntent.putExtra(DataBaseHelper.CATEGORY_LABEL, cursor2.getString(cursor2.getColumnIndexOrThrow(DataBaseHelper.CATEGORY_LABEL))); notificationIntent.putExtra(DetailActivity.TO_SHARE, openShare); return notificationIntent; }

很简单的逻辑， notification中有两个按钮，一个是查看，一个是分享。然后分享的话，我们在extra中将其To_SHARE设置为真，而如果是查看的话，其值为假。

接下来我们在DetailActivity中，获取TO_SHARE的值来决定是否应该调出分享操作。

Bundle extras = this.getIntent().getExtras(); Boolean isToShareFromNotification = extras.getBoolean(TO_SHARE); if(isToShareFromNotification){ gotoShare(); }

但是我们发现这个 isToShareFromNotification 永远都是false,这个很是奇怪。 整来整去都木有想明白，网上搜了搜，果然发现了一个方案:android pending intent notification problem.

The way I solved that problem was by assigning a unique requestID when you get the PendingIntent: PendingIntent.getActivity(context, requestID, showIntent, 0); By doing so you are registering with the system different/unique intent instances.

然后尝试了一下给一个不同的requestId.

NotificationCompat.Builder notification = new NotificationCompat.Builder(context) .setSmallIcon(R.drawable.fish_white) .setContentTitle(contentTitle) .setContentText(contentText) .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(bitmapForBigPicture).setSummaryText(contentText).setBigContentTitle(contentTitle)) .addAction( android.R.drawable.ic_menu_more, “View”, PendingIntent.getActivity(context, (int) System.currentTimeMillis(), notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT)) .addAction( android.R.drawable.ic_menu_share, “Share”, PendingIntent.getActivity(context, (int) System.currentTimeMillis() + 10, shareIntent, PendingIntent.FLAG_UPDATE_CURRENT));

果然就正常工作了。