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 PackageInfo getPackageInfo(Context context) {
    PackageManager packageManager = context.getPackageManager();
    PackageInfo packageInfo = null;//from  ww w  . jav  a  2s.c  om
    try {
        packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return packageInfo;
}

From source file:Main.java

private static boolean isIntentAvailable(Context context, Intent intent) {
    final PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.GET_ACTIVITIES);
    return list.size() > 0;
}

From source file:Main.java

public static String getVersionName(Context context) {
    PackageManager p = context.getPackageManager();
    // GetPackageName () is your current class package name, 0 stands for is
    // to get version information
    PackageInfo packInfo;//  ww  w . j  a va  2  s  .  c o  m
    try {
        packInfo = p.getPackageInfo(context.getPackageName(), 0);
        return packInfo.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

/**
 * @return Application's version code from the {@code PackageManager}.
 *//* w w  w  .  java2  s.  c  o m*/
private static int getAppVersion(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionCode;
    } catch (NameNotFoundException e) {
        // should never happen
        throw new RuntimeException("Could not get package name: " + e);
    }
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {/*from  w w w .  j a va2  s .c  o m*/
        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        int version = info.versionCode;
        return version;
    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    }
}

From source file:Main.java

public static String getVersion(Context context) {
    try {// w w w.j  a  v a  2 s  .  c om
        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        String version = info.versionName;
        return version;
    } catch (Exception e) {
        e.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static String getAppVersionName(Context context) {
    try {/*from  w  w  w .  j  a v a  2 s  .  c o  m*/
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_META_DATA);
        return info.versionName;
    } catch (NameNotFoundException e) {
        return "";
    }
}

From source file:Main.java

/**
 * Return whether a package is installed.
 *///from ww  w  .  j  av  a 2  s . c  o m
public static boolean isPackageInstalledAndEnabled(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    PackageInfo info;
    try {
        info = pm.getPackageInfo(packageName, 0);
    } catch (PackageManager.NameNotFoundException e) {
        info = null;
    }

    return info != null && info.applicationInfo != null && info.applicationInfo.enabled;
}

From source file:Main.java

public static boolean isUpToDate(String v2, Context context) {
    try {//w  ww  . ja v  a 2  s. c  o  m
        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        String version = info.versionName;

        return v2.equals(version);

    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:Main.java

/**
 * Get meta data of named node: fix bug for integer values
 *///from   w  w  w.  j a  va  2s  . c o m
public static String getAppMetaData(Context context, String name) {
    try {
        return context.getPackageManager().getApplicationInfo(context.getPackageName(),
                PackageManager.GET_META_DATA).metaData.get(name).toString();
    } catch (Exception e) {
        return null;
    }
}