小红点

package com.example.administrator.videopokernew;

import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.*;
import android.view.View;
import android.view.View.OnClickListener;
import  android.content.Intent;

import com.example.administrator.myhellofacebook.R;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.share.Sharer;
import com.facebook.share.widget.ShareDialog;
import com.facebook.share.model.ShareLinkContent;

import java.io.File;
import java.io.FileOutputStream;


public class MainActivity extends AppCompatActivity  {
    static private MainActivity s_instance;
    Button btn;
    private CallbackManager callbackManager;
    private ShareDialog shareDialog;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        callbackManager = CallbackManager.Factory.create();
        shareDialog = new ShareDialog(this);
        shareDialog.registerCallback(
                callbackManager,
                shareCallback);

        setContentView( R.layout.activity_main);
        s_instance= this;
        btn= findViewById(R.id.btn);
        btn.setOnClickListener(new OnClickListener()
        {
            public void onClick(View v) {
                BadgeUtil.setBadgeCount(s_instance,99, R.mipmap.red);
//               System.out.println ( "点击事件添加成功" );
//                Toast.makeText ( s_instance, "请更新Google Play到最新版本，并检查google账号在此设备是否可用", Toast.LENGTH_LONG ).show ();
//                Intent intent = new Intent();
//                intent.setAction("cn.programmer.CUSTOM_INTENT");
//                sendBroadcast(intent);
//                BadgeUtil.setBadgeCount ( s_instance,88,R.drawable.ic_launcher_background);
            }
        });
    }
    void share()
    {
        System.out.println ( "开始分享:"+ShareDialog.canShow(ShareLinkContent.class) );
        if (ShareDialog.canShow(ShareLinkContent.class)){
            ShareLinkContent linkContent = new ShareLinkContent.Builder()
                    .setContentUrl( Uri.parse("http://developers.facebook.com"))
                    .build();
            shareDialog.show(linkContent);
        }
    }
    private FacebookCallback<Sharer.Result> shareCallback = new FacebookCallback<Sharer.Result>() {
        @Override
        public void onCancel() {
            Log.d("HelloFacebook", "Canceled");
        }

        @Override
        public void onError(FacebookException error) {
            Log.d("HelloFacebook", String.format("Error: %s", error.toString()));
        }

        @Override
        public void onSuccess(Sharer.Result result) {
            Log.d("HelloFacebook", "Success!");
        }

    };
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        callbackManager.onActivityResult(requestCode, resultCode, data);
    }


    void test(){
        System.out.println ( "开始截图" );
        View dView = getWindow().getDecorView();
        dView.setDrawingCacheEnabled(true);
        dView.buildDrawingCache();
        Bitmap bitmap = Bitmap.createBitmap(dView.getDrawingCache());
        if (bitmap != null) {
            try {
                // 获取内置SD卡路径
                String sdCardPath = Environment.getExternalStorageDirectory().getPath();
                // 图片文件路径
                String filePath = sdCardPath + File.separator + "screenshot.png";
                File file = new File(filePath);
                FileOutputStream os = new FileOutputStream(file);
                bitmap.compress(Bitmap.CompressFormat.PNG, 100, os);
                os.flush();
                os.close();
                System.out.println ( "截图完成" );
            } catch (Exception e) {
            }
        }
    }

}

package com.example.administrator.videopokernew;

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.v4.app.NotificationCompat;
import android.os.Bundle;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public 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 if (Build.MANUFACTURER.toLowerCase().contains("OPPO")) {//oppo
            //setBadgeOfOPPO(context, count);
        }else if (Build.MANUFACTURER.toLowerCase().contains("LeMobile")) {//乐视

        }
        else if (Build.MANUFACTURER.toLowerCase().contains("vivo")) {
            setBadgeOfVIVO(context, count);
        }else if (Build.MANUFACTURER.toLowerCase().contains("HUAWEI")||Build.BRAND.equals("Huawei")||Build.BRAND.equals("HONOR")) {//华为
            setHuaweiBadge(context, count);
        }else if (Build.MANUFACTURER.toLowerCase().contains("")) {//魅族

        }else if (Build.MANUFACTURER.toLowerCase().contains("")) {//金立

        }else if (Build.MANUFACTURER.toLowerCase().contains("")) {//锤子

        }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);
    }

    /**
     * 设置vivo的Badge :vivoXplay5 vivo x7无效果
     */
    private static void setBadgeOfVIVO(Context context,int count){
        try {
            Intent intent = new Intent("launcher.action.CHANGE_APPLICATION_NOTIFICATION_NUM");
            intent.putExtra("packageName", context.getPackageName());
            String launchClassName = context.getPackageManager().getLaunchIntentForPackage(context.getPackageName()).getComponent().getClassName();
            intent.putExtra("className", launchClassName); intent.putExtra("notificationNum", count);
            context.sendBroadcast(intent);
        }catch (Exception e){
            e.printStackTrace();
        }
    }

    /**
     *设置oppo的Badge :oppo角标提醒目前只针对内部软件还有微信、QQ开放，其他的暂时无法提供
     */
    private static void setBadgeOfOPPO(Context context,int count){
        try {
            Bundle extras = new Bundle();
            extras.putInt("app_badge_count", count);
            context.getContentResolver().call(Uri.parse("content://com.android.badge/badge"), "setAppBadgeCount", String.valueOf(count), extras);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 设置华为的Badge :mate8 和华为 p7,honor畅玩系列可以,honor6plus 无效果
     */
    public static void setHuaweiBadge(Context context, int count)
    {
        try {
            Bundle bundle = new Bundle();
            bundle.putString("package", context.getPackageName());
            String launchClassName = context.getPackageManager().getLaunchIntentForPackage(context.getPackageName()).getComponent().getClassName();
            bundle.putString("class", launchClassName);
            bundle.putInt("badgenumber", count);
            context.getContentResolver().call(Uri.parse("content://com.huawei.android.launcher.settings/badge/"), "change_badge", null, bundle);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    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;
    }



}