/**
 * 檢查已安裝的應用程式。並開啟
 */
private void openApp(){
    //應用過濾條件
    Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
    mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
    PackageManager mPackageManager = mContext.getPackageManager();
    List<ResolveInfo> mAllApps = mPackageManager.queryIntentActivities(mainIntent, 0);
    //按包名排序
    Collections.sort(mAllApps, new ResolveInfo.DisplayNameComparator(mPackageManager));
    //遍歷
    for(ResolveInfo res : mAllApps){
        //該應用的包名和主Activity
        String pkg = res.activityInfo.packageName;
        String cls = res.activityInfo.name;

        // 開啟酷狗音樂APP
        if(pkg.contains("com.kugou.android")){
            ComponentName componet = new ComponentName(pkg, cls);
            Intent intent = new Intent();
            intent.setComponent(componet);
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            mContext.startActivity(intent);
        }
    }
}