android 桌面图标添加数字角标

是否支持角标并不与手机厂商有关，而是你当前使用的launcher开发厂商有关。

方法实现：

import android.app.Application;

import android.app.Notification;

import android.content.Intent;

import android.support.annotation.NonNull;

/**

 *谷歌

 */

public class GoogleModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "google not support before API O";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O) {

            throw new Exception(NOTIFICATION_ERROR);

        }

        Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");

        intent.putExtra("badge_count", count);

        intent.putExtra("badge_count_package_name", context.getPackageName());

        intent.putExtra("badge_count_class_name", Utils.getInstance().getLaunchIntentForPackage(context)); // com.test. badge.MainActivity is your apk main activity

//        if (Utils.getInstance().canResolveBroadcast(context, intent)) {

            context.sendBroadcast(intent);

//        } else {

//            throw new Exception(UNABLE_TO_RESOLVE_INTENT_ERROR_ + intent.toString());

//        }

        return notification;

    }

}

import android.app.Application;

import android.app.Notification;

import android.net.Uri;

import android.os.Bundle;

import android.support.annotation.NonNull;

/**

 * https://developer.huawei.com/consumer/cn/devservice/doc/30802

 * <p>

 * 华为

 */

public class HuaWeiModelImpl implements IconBadgeNumModel {

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        Bundle bunlde = new Bundle();

        bunlde.putString("package", context.getPackageName()); // com.test.badge is your package name

        bunlde.putString("class", Utils.getInstance().getLaunchIntentForPackage(context)); // com.test. badge.MainActivity is your apk main activity

        bunlde.putInt("badgenumber", count);

        context.getContentResolver().call(Uri.parse("content://com.huawei.android.launcher.settings/badge/"), "change_badge", null, bunlde);

        return notification;

    }

}

import android.app.Application;

import android.app.Notification;

import android.support.annotation.NonNull;

//魅族

public class MeizuModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "not support : meizu";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        if (true) {

            throw new Exception(NOTIFICATION_ERROR);

        }

        return null;

    }

}

import android.app.Application;

import android.app.Notification;

import android.support.annotation.NonNull;

/**

 * 以下是oppo客服原文（其中没有说明3.3中日活量和总下载量的标准）

 * <p>

 * 亲，您可以通过邮件的形式提交申请，邮件形式如下：

 * <p>

 * 1.主题：“申请开放OPPO手机应用角标权限——（应用名称）”

 * <p>

 * 2.收件人：devtec@oppo.com

 * <p>

 * 3.正文：应用角标申请所需材料

 * 以下为应用角标申请所需材料：

 * 1.应用方申请人基本信息（姓名、邮箱、手机、微信）；

 * 2.应用方厂商介绍（不少于200字）；

 * 3.申请应用近一个月内IOS与安卓系统的平均日活量及总下载量介绍；

 * 4.申请应用产品主要功能介绍（不少于100字）；

 * 5.申请应用期望角标出现的全部场景。（即哪些类的消息需要出现角标，需全部列出）

 * <p>

 * 您这边以邮件的形式申请接入角标后，OPPO方审核人员将在接收日期10个工作日内给出审核结果。感谢您对OPPO开放平台的关注与信任，还

 * 请您耐心等待的哦~

 */

public class OPPOModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "not support : oppo";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        if (true) {

            throw new Exception(NOTIFICATION_ERROR);

        }

        return null;

    }

}

import android.app.Application;

import android.app.Notification;

import android.content.Intent;

import android.support.annotation.NonNull;

import static com.demo.badges.Utils.UNABLE_TO_RESOLVE_INTENT_ERROR_;

/**

 * 没有找到官方文档说明，只有网上的方法

 * <p>

 * Galaxy S8/SM-G9500/android 8.0

 * Galaxy Galaxy Note8/SM-N9500/android 8.0

 * 三星

 */

public class SamsungModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "not support : samsung";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");

        intent.putExtra("badge_count", count);

        intent.putExtra("badge_count_package_name", context.getPackageName());

        intent.putExtra("badge_count_class_name", Utils.getInstance().getLaunchIntentForPackage(context));

        if (Utils.getInstance().canResolveBroadcast(context, intent)) {

            context.sendBroadcast(intent);

        } else {

            throw new Exception(UNABLE_TO_RESOLVE_INTENT_ERROR_ + intent.toString());

        }

        return notification;

    }

}

import android.app.Application;

import android.app.Notification;

import android.support.annotation.NonNull;

/**

 * 网上查到了此段代码，但在vivo X21A[android-8.1.0/Funtouch OS_4.0]真机上并未测试成功。

 * 在vivo开发者平台上与人工客服联系后，对方回复暂时没有公开的方法可以设置，也没有渠道可以申请，只有vivo特别指定的应用可以实现（微信、微博等）

 */

public class VIVOModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "not support : vivo";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        if (true) {

            throw new Exception(NOTIFICATION_ERROR);

        }

        return null;

    }

}

import android.app.Application;

import android.app.Notification;

import android.support.annotation.NonNull;

import java.lang.reflect.Field;

import java.lang.reflect.Method;

/**

 * https://dev.mi.com/console/doc/detail?pId=939

 * <p>

 * 必须发送通知

 */

public class XiaoMiModelImpl implements IconBadgeNumModel {

    private static final String NOTIFICATION_ERROR = "Xiaomi phones must send notification";

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        if (notification == null) {

            throw new Exception(NOTIFICATION_ERROR);

        }

        Field field = notification.getClass().getDeclaredField("extraNotification");

        Object extraNotification = field.get(notification);

        Method method = extraNotification.getClass().getDeclaredMethod("setMessageCount", int.class);

        method.invoke(extraNotification, count);

        return notification;

    }

}

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import java.util.List;

public class Utils {

    public static final String UNABLE_TO_RESOLVE_INTENT_ERROR_ = "unable to resolve intent: ";

    private static Utils instance;

    public static Utils getInstance() {

        if (instance == null) {

            instance = new Utils();

        }

        return instance;

    }

    public boolean canResolveBroadcast(Context context, Intent intent) {

        PackageManager packageManager = context.getPackageManager();

        List<ResolveInfo> receivers = packageManager.queryBroadcastReceivers(intent, 0);

        return receivers != null && receivers.size() > 0;

    }

    public String getLaunchIntentForPackage(Context context) {

        return context.getPackageManager().getLaunchIntentForPackage(context.getPackageName()).getComponent().getClassName();

    }

}

import android.app.Application;

import android.app.Notification;

import android.support.annotation.NonNull;

public interface IconBadgeNumModel {

    Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception;

}

import android.content.Context;

import android.content.Intent;

import android.content.pm.ResolveInfo;

import android.support.annotation.NonNull;

import android.support.annotation.Nullable;

import java.util.HashMap;

import java.util.Map;

public class LauncherHelper {

    public final static String GOOGLE = "google";

    public final static String HUAWEI = "huawei";

    public final static String MEIZU = "meizu";

    public final static String XIAOMI = "xiaomi";

    public final static String OPPO = "oppo";

    public final static String VIVO = "vivo";

    public final static String SAMSUNG = "samsung";

    private static Map<String, String> launcherMap;

    static {

        launcherMap = new HashMap<>();

        launcherMap.put("com.huawei.android.launcher", HUAWEI);

        launcherMap.put("com.miui.home", XIAOMI);

        launcherMap.put("com.sec.android.app.launcher", SAMSUNG);

        launcherMap.put("com.google.android.apps.nexuslauncher", GOOGLE);

    }

    @Nullable

    public String getLauncherTypeByName(@NonNull String launcherName) {

        return launcherMap.get(launcherName);

    }

    @Nullable

    public String getLauncherPackageName(@NonNull Context context) {

        final Intent intent = new Intent(Intent.ACTION_MAIN);

        intent.addCategory(Intent.CATEGORY_HOME);

        final ResolveInfo res = context.getPackageManager().resolveActivity(intent, 0);

        if (res.activityInfo == null) {

            // should not happen. A home is always installed, isn't it?

            return null;

        }

        if (res.activityInfo.packageName.equals("android")) {

            return null;

        } else {

            return res.activityInfo.packageName;

        }

    }

}

import android.app.Application;

import android.app.Notification;

import android.os.Build;

import android.support.annotation.NonNull;

import android.text.TextUtils;

import java.util.HashMap;

import java.util.Map;

public class IconBadgeNumManager implements IconBadgeNumModel {

    private static final String NOT_SUPPORT_PHONE = "not support your phone [ Build.MANUFACTURER is null ]";

    private static final String NOT_SUPPORT_MANUFACTURER_ = "not support ";

    private static final String NOT_SUPPORT_LAUNCHER = "not support your launcher [ default launcher is null ]";

    private static final String NOT_SUPPORT_LAUNCHER_ = "not support ";

    private Map<String, IconBadgeNumModel> iconBadgeNumModelMap;

    private LauncherHelper launcherHelper;

    public IconBadgeNumManager() {

        this.launcherHelper = new LauncherHelper();

        iconBadgeNumModelMap = new HashMap<>();

    }

    @Override

    public Notification setIconBadgeNum(@NonNull Application context, Notification notification, int count) throws Exception {

        IconBadgeNumModel iconBadgeNumModel = getSetIconBadgeNumModel(context);

        return iconBadgeNumModel.setIconBadgeNum(context, notification, count);

    }

    /**

     * 根据手机类型获取相应Model

     *

     * @deprecated 判断当前launcher更加准确

     */

    @Deprecated

    @NonNull

    private IconBadgeNumModel getIconBadgeNumModelByManufacturer() throws Exception {

        if (TextUtils.isEmpty(Build.MANUFACTURER)) {

            throw new Exception(NOT_SUPPORT_PHONE);

        }

        switch (Build.MANUFACTURER.toLowerCase()) {

            case MobileBrand.HUAWEI:

                return new GoogleModelImpl();

            case MobileBrand.XIAOMI:

                return new XiaoMiModelImpl();

            case MobileBrand.VIVO:

                return new VIVOModelImpl();

            case MobileBrand.OPPO:

                return new OPPOModelImpl();

            case MobileBrand.SAMSUNG:

                return new SamsungModelImpl();

            case MobileBrand.MEIZU:

                return new MeizuModelImpl();

            case MobileBrand.GOOGLE:

                return new GoogleModelImpl();

            default:

                throw new Exception(NOT_SUPPORT_MANUFACTURER_ + Build.MANUFACTURER);

        }

    }

    /**

     * 根据手机当前launcher获取相应Model

     */

    @NonNull

    private IconBadgeNumModel getIconBadgeNumModelByLauncher(@NonNull String launcherType) throws Exception {

        switch (launcherType) {

            case LauncherHelper.HUAWEI:

                return new HuaWeiModelImpl();

            case LauncherHelper.XIAOMI:

                return new XiaoMiModelImpl();

            case LauncherHelper.VIVO:

                return new VIVOModelImpl();

            case LauncherHelper.OPPO:

                return new OPPOModelImpl();

            case LauncherHelper.SAMSUNG:

                return new SamsungModelImpl();

            case LauncherHelper.MEIZU:

                return new MeizuModelImpl();

            case LauncherHelper.GOOGLE:

                return new GoogleModelImpl();

            default:

                throw new Exception(NOT_SUPPORT_LAUNCHER_ + launcherType);

        }

    }

    @NonNull

    private IconBadgeNumModel getSetIconBadgeNumModel(@NonNull Application context) throws Exception {

        String launcherName = launcherHelper.getLauncherPackageName(context);

        if (TextUtils.isEmpty(launcherName)) {

            throw new Exception(NOT_SUPPORT_LAUNCHER);

        }

        String launcherType = launcherHelper.getLauncherTypeByName(launcherName);

        if (TextUtils.isEmpty(launcherType)) {

            throw new Exception(NOT_SUPPORT_LAUNCHER_ + launcherName);

        }

        if (iconBadgeNumModelMap.containsKey(launcherType)) {

            return iconBadgeNumModelMap.get(launcherType);

        }

        IconBadgeNumModel iconBadgeNumModel = getIconBadgeNumModelByLauncher(launcherType);

        iconBadgeNumModelMap.put(launcherType, iconBadgeNumModel);

        return iconBadgeNumModel;

    }

}

测试：

import android.content.Intent;

import android.os.Build;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import com.demo.badges.LauncherHelper;

public class MainActivity extends AppCompatActivity {

    private static final String TAG = "MainActivity";

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Log.e(TAG, Build.MANUFACTURER);

        Log.e(TAG, new LauncherHelper().getLauncherPackageName(this));

        findViewById(R.id.button1).setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Intent i = new Intent(MainActivity.this, MyService.class);

                startService(i);

            }

        });

        findViewById(R.id.button2).setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View view) {

                Intent i = new Intent(MainActivity.this, MyService.class);

                stopService(i);

            }

        });

    }

}

import android.app.Notification;

import android.app.NotificationChannel;

import android.app.NotificationManager;

import android.app.Service;

import android.content.Context;

import android.content.Intent;

import android.graphics.Color;

import android.os.Build;

import android.os.IBinder;

import android.support.annotation.RequiresApi;

import android.support.v4.app.NotificationCompat;

import com.demo.badges.IconBadgeNumManager;

public class MyService extends Service {

    IconBadgeNumManager setIconBadgeNumManager;

    private boolean isStop;

    private int count;

    Thread thread = new Thread(new Runnable() {

        @Override

        public void run() {

            while (!isStop) {

                try {

                    Thread.sleep(1000);

                } catch (InterruptedException e) {

                    e.printStackTrace();

                }

                count += 2;

                sendIconNumNotification();

            }

        }

    });

    public MyService() {

        setIconBadgeNumManager = new IconBadgeNumManager();

    }

    @Override

    public int onStartCommand(Intent intent, int flags, int startId) {

        isStop = false;

        thread.start();

        return super.onStartCommand(intent, flags, startId);

    }

    @Override

    public void onDestroy() {

        super.onDestroy();

        isStop = true;

    }

    @Override

    public IBinder onBind(Intent intent) {

        throw new UnsupportedOperationException("Not yet implemented");

    }

    private void sendIconNumNotification() {

        NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        if (nm == null) return;

        String notificationChannelId = null;

        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {

            NotificationChannel notificationChannel = createNotificationChannel();

            nm.createNotificationChannel(notificationChannel);

            notificationChannelId = notificationChannel.getId();

        }

        Notification notification = null;

        try {

            notification = new NotificationCompat.Builder(this, notificationChannelId)

                    .setSmallIcon(getApplicationInfo().icon)

                    .setWhen(System.currentTimeMillis())

                    .setContentTitle("title")

                    .setContentText("content num: " + count)

                    .setTicker("ticker")

                    .setAutoCancel(true)

                    .setNumber(count)

                    .build();

            notification = setIconBadgeNumManager.setIconBadgeNum(getApplication(), notification, count);

            nm.notify(32154, notification);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    @RequiresApi(api = Build.VERSION_CODES.O)

    private static NotificationChannel createNotificationChannel() {

        String channelId = "test";

        NotificationChannel channel = null;

        channel = new NotificationChannel(channelId,

                "Channel1", NotificationManager.IMPORTANCE_DEFAULT);

        channel.enableLights(true); //是否在桌面icon右上角展示小红点

        channel.setLightColor(Color.RED); //小红点颜色

        channel.setShowBadge(true); //是否在久按桌面图标时显示此渠道的通知

        return channel;

    }

}

亲测华为手机可行！

巴特西

android 桌面图标添加数字角标

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