原文：https://blog.csdn.net/uyy203/article/details/70160752
由于角标在Android原生的系统中没有支持，所以各个Android手机厂商各自为政。
正如很多资料所说，这一功能完全是效仿IOS，Android本不存在的，对于不支持的厂商如魅族、中兴、酷派，必须为他们不盲目跟风而点赞。
做起适配来，真的很麻烦，要针对各个厂商逐个去写以及测试。
目前做到支持小米、华为、三星、LG、VIVO、ZUK、HTC、NOVA等厂商的Andorid系统
效果如下图所示
image.png
特别说明一下小米自MIUI6.0以后，角标的显示和通知栏Notification绑在一起。目前我发现的做法，就只有小米需要和Notification绑在一起才能生效。
不过我在这里的例子因产品需求，全部机型的做法都把Notification绑上。
消息通知ID
private int MQTT_IM_NOTIFICATION_ID=1007;
通知栏Notification的定义
String content = 2 + "个联系人发了" + i + "条消息";
NotificationCompat.Builder builder = new NotificationCompat.Builder(getBaseContext());
builder.setSmallIcon(R.drawable.chat_notify_icon);
builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));
builder.setTicker("收到" + i + "条消息");
builder.setWhen(System.currentTimeMillis());
Intent intent = new Intent(getBaseContext(), MainActivity.class);
intent.setAction(getApplicationContext().getPackageName());
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
PendingIntent pi = PendingIntent.getActivity(getBaseContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(pi);
builder.setContentTitle(getResources().getText(R.string.app_name));
builder.setContentText(content);
final Notification n = builder.build();
int defaults = Notification.DEFAULT_LIGHTS;
defaults |= Notification.DEFAULT_SOUND;
defaults |= Notification.DEFAULT_VIBRATE;
n.defaults = defaults;
n.flags = Notification.FLAG_SHOW_LIGHTS | Notification.FLAG_AUTO_CANCEL;
厂商
String content = 2 + "个联系人发了" + i + "条消息";
NotificationCompat.Builder builder = new NotificationCompat.Builder(getBaseContext());
builder.setSmallIcon(R.drawable.chat_notify_icon);
builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));
builder.setTicker("收到" + i + "条消息");
builder.setWhen(System.currentTimeMillis());
Intent intent = new Intent(getBaseContext(), MainActivity.class);
intent.setAction(getApplicationContext().getPackageName());
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
PendingIntent pi = PendingIntent.getActivity(getBaseContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(pi);
builder.setContentTitle(getResources().getText(R.string.app_name));
builder.setContentText(content);
final Notification n = builder.build();
int defaults = Notification.DEFAULT_LIGHTS;
defaults |= Notification.DEFAULT_SOUND;
defaults |= Notification.DEFAULT_VIBRATE;
n.defaults = defaults;
n.flags = Notification.FLAG_SHOW_LIGHTS | Notification.FLAG_AUTO_CANCEL;
厂商获取
OSName=android.os.Build.BRAND.trim().toUpperCase();
广播
特别注意，小米的通知栏提示需要延时操作才会出现角标，但是偶尔还是没法出现，暂时没有特别好的解决办法，不过目前能保证做到较高的成功率。
除了小米以外，其他实现基本没什么问题。
//小米
private static void setBadgeOfXiaomi(final Context context,final Notification notification,final int NOTIFI_ID,final int num){
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
try {
Field field = notification.getClass().getDeclaredField("extraNotification");
Object extraNotification = field.get(notification);
Method method = extraNotification.getClass().getDeclaredMethod("setMessageCount", int.class);
method.invoke(extraNotification, num);
} catch (Exception e) {
e.printStackTrace();
Log.e("Xiaomi" + " Badge error", "set Badge failed");
}
// mNotificationManager.notify(0,notification);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}
},550);
}
三星 & LG
//三星和LG
private static void setBadgeOfSamsung(Context context,Notification notification, int NOTIFI_ID,int num) {
// 获取你当前的应用
String launcherClassName = getLauncherClassName(context);
if (launcherClassName == null) {
return;
}
try {
Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");
intent.putExtra("badge_count", num);
intent.putExtra("badge_count_package_name", context.getPackageName());
intent.putExtra("badge_count_class_name", launcherClassName);
context.sendBroadcast(intent);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("SAMSUNG" + " Badge error", "set Badge failed");
}
}
华为
华为及其荣耀系列通用，不需要官网认证
//华为 系列
private static void setBadgeOfHuaWei(Context context, Notification notification,int NOTIFI_ID,int num) {
try{
Bundle localBundle = new Bundle();
localBundle.putString("package", context.getPackageName());
localBundle.putString("class", getLauncherClassName(context));
localBundle.putInt("badgenumber", num);
context.getContentResolver().call(Uri.parse("content://com.huawei.android.launcher.settings/badge/"), "change_badge", null, localBundle);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch(Exception e){
e.printStackTrace();
Log.e("HUAWEI" + " Badge error", "set Badge failed");
}
}
索尼
//索尼
private static void setBadgeOfSony(Context context,Notification notification,int NOTIFI_ID, int num){
String numString="";
String activityName = getLauncherClassName(context);
if (activityName == null){
return;
}
Intent localIntent = new Intent();
// int numInt = Integer.valueOf(num);
boolean isShow = true;
if (num < 1){
numString = "";
isShow = false;
}else if (num > 99){
numString = "99";
}
try {
localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.SHOW_MESSAGE", isShow);
localIntent.setAction("com.sonyericsson.home.action.UPDATE_BADGE");
localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.ACTIVITY_NAME", activityName);
localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.MESSAGE", numString);
localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.PACKAGE_NAME", context.getPackageName());
context.sendBroadcast(localIntent);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("SONY" + " Badge error", "set Badge failed");
}
}
VIVO
//VIVO
private static void setBadgeOfVIVO(Context context,Notification notification,int NOTIFI_ID,int num){
try {
Intent localIntent = new Intent("launcher.action.CHANGE_APPLICATION_NOTIFICATION_NUM");
localIntent.putExtra("packageName", context.getPackageName());
localIntent.putExtra("className", getLauncherClassName(context));
localIntent.putExtra("notificationNum", num);
context.sendBroadcast(localIntent);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("VIVO" + " Badge error", "set Badge failed");
}
}
OPPO
目前只支持部分机型
//OPPO *只支持部分机型
private static void setBadgeOfOPPO(Context context, Notification notification,int NOTIFI_ID,int num){
try {
if (num == 0) {
num = -1;
}
Intent intent = new Intent("com.oppo.unsettledevent");
intent.putExtra("pakeageName", context.getPackageName());
intent.putExtra("number", num);
intent.putExtra("upgradeNumber", num);
if (canResolveBroadcast(context, intent)) {
context.sendBroadcast(intent);
} else {
try {
Bundle extras = new Bundle();
extras.putInt("app_badge_count", num);
context.getContentResolver().call(Uri.parse("content://com.android.badge/badge"), "setAppBadgeCount", null, extras);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
} catch (Throwable th) {
Log.e("OPPO" + " Badge error", "unable to resolve intent: " + intent.toString());
}
}
}catch (Exception e){
e.printStackTrace();
Log.e("OPPO" + " Badge error", "set Badge failed");
}
}
ZUK
//ZUK
private static void setBadgeOfZUK(Context context,Notification notification,int NOTIFI_ID, int num){
final Uri CONTENT_URI = Uri.parse("content://com.android.badge/badge");
try {
Bundle extra = new Bundle();
extra.putInt("app_badge_count", num);
context.getContentResolver().call(CONTENT_URI, "setAppBadgeCount", null, extra);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("ZUK" + " Badge error", "set Badge failed");
}
}
HTC
//HTC
private static void setBadgeOfHTC(Context context,Notification notification,int NOTIFI_ID,int num){
try {
Intent intent1 = new Intent("com.htc.launcher.action.SET_NOTIFICATION");
intent1.putExtra("com.htc.launcher.extra.COMPONENT", context.getPackageManager().getLaunchIntentForPackage(context.getPackageName()).getComponent().flattenToShortString());
intent1.putExtra("com.htc.launcher.extra.COUNT", num);
Intent intent = new Intent("com.htc.launcher.action.UPDATE_SHORTCUT");
intent.putExtra("packagename", context.getPackageName());
intent.putExtra("count", num);
if (canResolveBroadcast(context, intent1) || canResolveBroadcast(context, intent)) {
context.sendBroadcast(intent1);
context.sendBroadcast(intent);
} else {
Log.e("HTC" + " Badge error", "unable to resolve intent: " + intent.toString());
}
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("HTC" + " Badge error", "set Badge failed");
}
}
NOVA
//NOVA
private static void setBadgeOfNOVA(Context context,Notification notification,int NOTIFI_ID,int num){
try{
ContentValues contentValues = new ContentValues();
contentValues.put("tag", context.getPackageName()+ "/" +getLauncherClassName(context));
contentValues.put("count", num);
context.getContentResolver().insert(Uri.parse("content://com.teslacoilsw.notifier/unread_count"), contentValues);
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("NOVA" + " Badge error", "set Badge failed");
}
}
其他
做个备案吧，这个真不一定能生效，只能从大多数的做法里摸规律
//其他
private static void setBadgeOfDefault(Context context,Notification notification,int NOTIFI_ID,int num){
try {
Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");
intent.putExtra("badge_count", num);
intent.putExtra("badge_count_package_name", context.getPackageName());
intent.putExtra("badge_count_class_name", getLauncherClassName(context));
if (canResolveBroadcast(context, intent)) {
context.sendBroadcast(intent);
} else {
Log.e("Default" + " Badge error", "unable to resolve intent: " + intent.toString());
}
NotificationManager notifyMgr = (NotificationManager)(context.getSystemService(NOTIFICATION_SERVICE));
if(num!=0)notifyMgr.notify(NOTIFI_ID, notification);else notifyMgr.cancel(NOTIFI_ID);
}catch (Exception e){
e.printStackTrace();
Log.e("Default" + " Badge error", "set Badge failed");
}
}
github : https://github.com/Cedric-Xuan/SNSNotificationBadge
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