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package com;
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import java.lang.reflect.Field;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Build;
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import android.widget.Toast;
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/**
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* 应用启动图标未读消息数显示 工具类 (效果如：QQ、微信、未读短信 等应用图标)<br/>
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* 依赖于第三方手机厂商(如：小米、三星)的Launcher定制、原生系统不支持该特性<br/>
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* 该工具类 支持的设备有 小米、三星、索尼【其中小米、三星亲测有效、索尼未验证】
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* @author ice_zhengbin@163.com
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*
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*/
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public class BadgeUtil {
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/**
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* Set badge count<br/>
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* 针对 Samsung / xiaomi / sony 手机有效
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* @param context The context of the application package.
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* @param count Badge count to be set
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*/
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public static void setBadgeCount(Context context, int count) {
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if (count <= 0) {
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count = 0;
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} else {
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count = Math.max(0, Math.min(count, 99));
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}
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if (Build.MANUFACTURER.equalsIgnoreCase("Xiaomi")) {
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sendToXiaoMi(context, count);
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} else if (Build.MANUFACTURER.equalsIgnoreCase("sony")) {
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sendToSony(context, count);
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} else if (Build.MANUFACTURER.toLowerCase().contains("samsung")) {
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sendToSamsumg(context, count);
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} else {
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Toast.makeText(context, "Not Support", Toast.LENGTH_LONG).show();
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}
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}
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/**
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* 向小米手机发送未读消息数广播
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* @param count
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*/
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private static void sendToXiaoMi(Context context, int count) {
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try {
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Class miuiNotificationClass = Class.forName("android.app.MiuiNotification");
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Object miuiNotification = miuiNotificationClass.newInstance();
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Field field = miuiNotification.getClass().getDeclaredField("messageCount");
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field.setAccessible(true);
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field.set(miuiNotification, String.valueOf(count == 0 ? "" : count)); // 设置信息数-->这种发送必须是miui 6才行
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} catch (Exception e) {
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e.printStackTrace();
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// miui 6之前的版本
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Intent localIntent = new Intent(
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"android.intent.action.APPLICATION_MESSAGE_UPDATE");
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localIntent.putExtra(
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"android.intent.extra.update_application_component_name",
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context.getPackageName() + "/" + getLauncherClassName(context));
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localIntent.putExtra(
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"android.intent.extra.update_application_message_text", String.valueOf(count == 0 ? "" : count));
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context.sendBroadcast(localIntent);
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}
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}
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/**
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* 向索尼手机发送未读消息数广播<br/>
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* 据说：需添加权限：<uses-permission android:name="com.sonyericsson.home.permission.BROADCAST_BADGE" /> [未验证]
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* @param count
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*/
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private static void sendToSony(Context context, int count){
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String launcherClassName = getLauncherClassName(context);
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if (launcherClassName == null) {
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return;
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}
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boolean isShow = true;
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if (count == 0) {
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isShow = false;
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}
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Intent localIntent = new Intent();
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localIntent.setAction("com.sonyericsson.home.action.UPDATE_BADGE");
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localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.SHOW_MESSAGE",isShow);//是否显示
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localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.ACTIVITY_NAME",launcherClassName );//启动页
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localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.MESSAGE", String.valueOf(count));//数字
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localIntent.putExtra("com.sonyericsson.home.intent.extra.badge.PACKAGE_NAME", context.getPackageName());//包名
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context.sendBroadcast(localIntent);
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}
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/**
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* 向三星手机发送未读消息数广播
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* @param count
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*/
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private static void sendToSamsumg(Context context, int count){
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String launcherClassName = getLauncherClassName(context);
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if (launcherClassName == null) {
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return;
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}
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Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");
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intent.putExtra("badge_count", count);
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intent.putExtra("badge_count_package_name", context.getPackageName());
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intent.putExtra("badge_count_class_name", launcherClassName);
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context.sendBroadcast(intent);
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}
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/**
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* 重置、清除Badge未读显示数<br/>
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* @param context
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*/
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public static void resetBadgeCount(Context context) {
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setBadgeCount(context, 0);
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}
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/**
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* Retrieve launcher activity name of the application from the context
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*
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* @param context The context of the application package.
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* @return launcher activity name of this application. From the
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* "android:name" attribute.
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*/
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private static String getLauncherClassName(Context context) {
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PackageManager packageManager = context.getPackageManager();
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Intent intent = new Intent(Intent.ACTION_MAIN);
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// To limit the components this Intent will resolve to, by setting an
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// explicit package name.
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intent.setPackage(context.getPackageName());
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intent.addCategory(Intent.CATEGORY_LAUNCHER);
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// All Application must have 1 Activity at least.
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// Launcher activity must be found!
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ResolveInfo info = packageManager
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.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
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// get a ResolveInfo containing ACTION_MAIN, CATEGORY_LAUNCHER
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// if there is no Activity which has filtered by CATEGORY_DEFAULT
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if (info == null) {
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info = packageManager.resolveActivity(intent, 0);
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}
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return info.activityInfo.name;
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}
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}
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