Android development jumps to the application market to update version function

There are two ways to deal with version updates:

Jump to the App Market and download updates and install through the App Market.

Download Apk in the App and update and install after the download is completed.

Implementation ideas:

Request background data and judge whether the application needs to update based on the return version number.
If not, jump to the login or application main interface. If you need to perform a pop-up box, let the user choose whether to perform an update operation.
If the user chooses to cancel the update, jump to the login or application main interface
If the user chooses to update, it will determine whether the app market APP you need to enter is installed in the phone.
If installed, then directly enter the details page of the application market according to the package name to download the apk.
If it is not installed, then open it in a browser according to the address returned by the background to download.

Key Step Code Description:

1. Determine whether the user needs to enter the app.

 /**
      * Methods to determine whether the application market exists
      *
      * @param context
      * @param packageName
      *
      * The corresponding package name of mainstream app stores
      * ----- Google Play
      * -----Application treasure
      * -----360 Mobile Assistant
      * -----Baidu Mobile Assistance
      * -----Xiaomi App Store
      *.phoenix2 ------Pea pod
      * -----Huawei Application Market
      * ----Taobao Mobile Assistant
      * -----Android market
      * -----Anzhi Market
      */
    public static boolean isAvilible(Context context, String packageName) {
        // Get packagemanager        final PackageManager packageManager = ();
        // Get package information for all installed programs        List&lt;PackageInfo&gt; pinfo = (0);
        // Used to store the package names of all installed programs        List&lt;String&gt; pName = new ArrayList&lt;String&gt;();
        // Take out the package name from pinfo        if (pinfo != null) {
            for (int i = 0; i &lt; (); i++) {
                String pf = (i).packageName;
                (pf);
            }
        }
        // Determine whether there is a package name of the target program in pName, true, no false        return (packageName);
    }

2. Download apk directly into the application market details page according to the package name

/**
      * Launch to the app store app details interface
      *
      * @param appPkg The package name of the target app
      * @param marketPkg Application store package name, if it is "", the system will pop up the app store list for users to choose, otherwise it will be transferred to the application details interface of the target market
      */
    public static void launchAppDetail(Context mContext, String appPkg, String marketPkg) {
        try {
            if ((appPkg)) {
                return;
            }

            Uri uri = ("market://details?codeview"> Uri uri = (url);
 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
 startActivity(intent);

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