Example usage for android.content Context getPackageManager

Introduction

In this page you can find the example usage for android.content Context getPackageManager.

Prototype

public abstract PackageManager getPackageManager();

Source Link

Document

Return PackageManager instance to find global package information.

Usage

From source file:Main.java

public static String getVersion(Context context) {
    PackageManager packageManager = context.getPackageManager();
    List<PackageInfo> packageInfoList = packageManager.getInstalledPackages(0);

    for (PackageInfo packageInfo : packageInfoList) {
        if ("com.tencent.mm".equals(packageInfo.packageName)) {
            return packageInfo.versionName;
        }// w  w  w  . j a va 2s.  co m
    }
    return "6.3.25";
}

From source file:Main.java

private static boolean isAppInstalled(Context context, String packageName) {
    try {/*w ww  .  j  av a  2  s  . c  o  m*/
        context.getPackageManager().getPackageInfo(packageName, 0);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static boolean isPackageExist(Context context, String packageName) {
    try {//from   w  w w .  ja va  2s.com
        context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static boolean isAppInstalled(Context context, String packageName) {
    try {/* w  ww.j  ava  2  s  .co m*/
        context.getPackageManager().getPackageInfo(packageName, 0);
        return true;
    } catch (NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {//from w  ww . j a  v a2  s  .  co  m

        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return info.versionCode;
    } catch (NameNotFoundException e) {
        return 0;
    }
}

From source file:Main.java

public static int getAppVersionCode(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pi;/*w  w w.  j  av a  2 s  . c  o  m*/
    try {
        pi = pm.getPackageInfo(context.getPackageName(), 0);
        return pi.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return 0;
}

From source file:Main.java

public static String getPackageVersionName(Context context) throws PackageManager.NameNotFoundException {
    return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
}

From source file:Main.java

public static String getAppMetaData(Context context, String key) {
    try {/*from   w ww.j  av  a2 s. c  o  m*/
        return context.getPackageManager().getApplicationInfo(context.getPackageName(),
                PackageManager.GET_META_DATA).metaData.getString(key);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {/*from   w ww  .j  a v  a2 s .com*/
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return info.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
    }
    return -1;
}

From source file:Main.java

public static PackageInfo getApkInfo(Context context, String pkg) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pkgInfo = null;// ww  w  . j a va  2s  .  c  om
    try {
        pkgInfo = pm.getPackageInfo(pkg, PackageManager.GET_PERMISSIONS);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return pkgInfo;
}