Android App的ICON上显示红色数字

来源：互联网发布：法学入门书籍知乎编辑：程序博客网时间：2024/05/01 07:52

import android.app.Notification;import android.app.NotificationManager;import android.content.ComponentName;import android.content.ContentValues;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.net.Uri;import android.os.Build;import android.support.v7.app.NotificationCompat;import android.widget.Toast;import java.lang.reflect.Field;import java.lang.reflect.Method;public final class BadgeUtil {    private BadgeUtil() throws InstantiationException {        throw new InstantiationException("This class is not for instantiation");    }    /**     * 设置Badge 目前支持Launcher     */    public static void setBadgeCount(Context context, int count, int iconResId) {        if (count <= 0) {            count = 0;        } else {            count = Math.max(0, Math.min(count, 99));        }        if (Build.MANUFACTURER.equalsIgnoreCase("xiaomi")) {            setBadgeOfMIUI(context, count, iconResId);        } else if (Build.MANUFACTURER.equalsIgnoreCase("sony")) {            setBadgeOfSony(context, count);        } else if (Build.MANUFACTURER.toLowerCase().contains("samsung") ||                Build.MANUFACTURER.toLowerCase().contains("lg")) {            setBadgeOfSumsung(context, count);        } else if (Build.MANUFACTURER.toLowerCase().contains("htc")) {            setBadgeOfHTC(context, count);        } else if (Build.MANUFACTURER.toLowerCase().contains("nova")) {            setBadgeOfNova(context, count);        } else {            Toast.makeText(context, "Not Found Support Launcher", Toast.LENGTH_LONG).show();        }    }    /**     * 设置MIUI的Badge     */    private static void setBadgeOfMIUI(Context context, int count, int iconResId) {        NotificationManager mNotificationManager = (NotificationManager) context                .getSystemService(Context.NOTIFICATION_SERVICE);        NotificationCompat.Builder builder = new NotificationCompat.Builder(context);        builder.setContentTitle("标题").setContentText("消息正文").setSmallIcon(iconResId);        Notification notification = builder.build();        try {            Field field = notification.getClass().getDeclaredField("extraNotification");            Object extraNotification = field.get(notification);            Method method = extraNotification.getClass().getDeclaredMethod("setMessageCount", int.class);            method.invoke(extraNotification, count);        } catch (Exception e) {            e.printStackTrace();        }        mNotificationManager.notify(0, notification);    }    /**     * 设置索尼的Badge     * 需添加权限：<uses-permission android:name="com.sonyericsson.home.permission.BROADCAST_BADGE" />     */    private static void setBadgeOfSony(Context context, int count) {        String launcherClassName = getLauncherClassName(context);        if (launcherClassName == null) {            return;        }        boolean isShow = true;        if (count == 0) {            isShow = false;        }        Intent localIntent = new Intent();        localIntent.setAction("com.sonyericsson.home.action.UPDATE_BADGE");        localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.SHOW_MESSAGE", isShow);//是否显示        localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.ACTIVITY_NAME", launcherClassName);//启动页        localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.MESSAGE", String.valueOf(count));//数字        localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.PACKAGE_NAME", context.getPackageName());//包名        context.sendBroadcast(localIntent);    }    /**     * 设置三星的Badge\设置LG的Badge     */    private static void setBadgeOfSumsung(Context context, int count) {        // 获取你当前的应用        String launcherClassName = getLauncherClassName(context);        if (launcherClassName == null) {            return;        }        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", launcherClassName);        context.sendBroadcast(intent);    }    /**     * 设置HTC的Badge     */    private static void setBadgeOfHTC(Context context, int count) {        Intent intentNotification = new Intent("com.htc.launcher.action.SET_NOTIFICATION");        ComponentName localComponentName = new ComponentName(context.getPackageName(), getLauncherClassName(context));        intentNotification.putExtra("com.htc.launcher.extra.COMPONENT", localComponentName.flattenToShortString());        intentNotification.putExtra("com.htc.launcher.extra.COUNT", count);        context.sendBroadcast(intentNotification);        Intent intentShortcut = new Intent("com.htc.launcher.action.UPDATE_SHORTCUT");        intentShortcut.putExtra("packagename", context.getPackageName());        intentShortcut.putExtra("count", count);        context.sendBroadcast(intentShortcut);    }    /**     * 设置Nova的Badge     */    private static void setBadgeOfNova(Context context, int count) {        ContentValues contentValues = new ContentValues();        contentValues.put("tag", context.getPackageName() + "/" + getLauncherClassName(context));        contentValues.put("count", count);        context.getContentResolver().insert(Uri.parse("content://com.teslacoilsw.notifier/unread_count"),                contentValues);    }    public static void setBadgeOfMadMode(Context context, int count, String packageName, String className) {        Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");        intent.putExtra("badge_count", count);        intent.putExtra("badge_count_package_name", packageName);        intent.putExtra("badge_count_class_name", className);        context.sendBroadcast(intent);    }    /**     * 重置Badge     */    public static void resetBadgeCount(Context context, int iconResId) {        setBadgeCount(context, 0, iconResId);    }    public static String getLauncherClassName(Context context) {        PackageManager packageManager = context.getPackageManager();        Intent intent = new Intent(Intent.ACTION_MAIN);        intent.setPackage(context.getPackageName());        intent.addCategory(Intent.CATEGORY_LAUNCHER);        ResolveInfo info = packageManager.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);        if (info == null) {            info = packageManager.resolveActivity(intent, 0);        }        return info.activityInfo.name;    }

BadgeUtil.setBadgeCount(getApplicationContext(), 10, R.mipmap.ic_launcher);

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