package com.example.headpull; import java.util.List; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; //BadgeUtil provides static utility methods to set "badge count" on Launcher (by Samsung, LG). //Currently, it's working from Android 4.0. //But some devices, which are released from the manufacturers, are not working. public class BadgeUtil { public static void setBadge(Context context, int count) { setBadgeSamsung(context, count); setBadgeSony(context, count); } public static void clearBadge(Context context) { setBadgeSamsung(context, 0); clearBadgeSony(context); } public static void setBadgeSamsung(Context context, int count) { 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); } private static void setBadgeSony(Context context, int count) { String launcherClassName = getLauncherClassName(context); if (launcherClassName == null) { return; } Intent intent = new Intent(); intent.setAction("com.sonyericsson.home.action.UPDATE_BADGE"); intent.putExtra("com.sonyericsson.home.intent.extra.badge.ACTIVITY_NAME", launcherClassName); intent.putExtra("com.sonyericsson.home.intent.extra.badge.SHOW_MESSAGE", true); intent.putExtra("com.sonyericsson.home.intent.extra.badge.MESSAGE", String.valueOf(count)); intent.putExtra("com.sonyericsson.home.intent.extra.badge.PACKAGE_NAME", context.getPackageName()); context.sendBroadcast(intent); } private static void clearBadgeSony(Context context) { String launcherClassName = getLauncherClassName(context); if (launcherClassName == null) { return; } Intent intent = new Intent(); intent.setAction("com.sonyericsson.home.action.UPDATE_BADGE"); intent.putExtra("com.sonyericsson.home.intent.extra.badge.ACTIVITY_NAME", launcherClassName); intent.putExtra("com.sonyericsson.home.intent.extra.badge.SHOW_MESSAGE", false); intent.putExtra("com.sonyericsson.home.intent.extra.badge.MESSAGE", String.valueOf(0)); intent.putExtra("com.sonyericsson.home.intent.extra.badge.PACKAGE_NAME", context.getPackageName()); context.sendBroadcast(intent); } private static String getLauncherClassName(Context context) { PackageManager pm = context.getPackageManager(); Intent intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_LAUNCHER); List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0); for (ResolveInfo resolveInfo : resolveInfos) { String pkgName = resolveInfo.activityInfo.applicationInfo.packageName; if (pkgName.equalsIgnoreCase(context.getPackageName())) { String className = resolveInfo.activityInfo.name; return className; } } return null; } }
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