Example usage for android.content.pm PackageManager getPackageInfo

Introduction

In this page you can find the example usage for android.content.pm PackageManager getPackageInfo.

Prototype

public abstract PackageInfo getPackageInfo(VersionedPackage versionedPackage, @PackageInfoFlags int flags)
        throws NameNotFoundException;

Source Link

Document

Retrieve overall information about an application package that is installed on the system.

Usage

From source file:Main.java

public static boolean isActivityInstalled(Context context, String packageName, String activityName) {
    if (packageName == null || packageName.trim().length() == 0) {
        return false;
    }//from   w w  w .jav a 2  s  .  c om
    if (activityName == null || activityName.trim().length() == 0) {
        return false;
    }
    try {
        PackageManager pm = context.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        String s = packageName + activityName;
        for (int i = 0; i < pi.activities.length; i++) {
            ActivityInfo ai = pi.activities[i];
            if (ai.name.equals(s)) {
                return true;
            }
        }
    } catch (Exception e) {

    }
    return false;
}

From source file:Main.java

/**
 * Get give package version code./*from ww w.j a v  a2  s.c o  m*/
 * 
 * @param context Object of {@link Context}.
 * @param pkg package name.
 * @return Package version code.
 */
public final static int getAppVersionCode(Context context, String pkg) {
    PackageManager pm = context.getPackageManager();
    try {
        PackageInfo info = pm.getPackageInfo(pkg, 0);
        return info.versionCode;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return 0;
    }
}

From source file:Main.java

/**
 * Get give package version name./*from w  w w.j a v a 2s .  c om*/
 * 
 * @param context Object of {@link Context}.
 * @param pkg Package name.
 * @return {@link String} of version name.
 */
public final static String getAppVersionName(Context context, String pkg) {
    PackageManager pm = context.getPackageManager();
    try {
        PackageInfo info = pm.getPackageInfo(pkg, 0);
        return info.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static String getAppName(final Context context) {
    if (sAppName == null) {
        try {/*from ww  w . j a v  a2  s.  c o  m*/
            final PackageManager pm = context.getPackageManager();
            sAppName = pm.getPackageInfo(context.getPackageName(), 1).applicationInfo.loadLabel(pm).toString();
        } catch (final Exception e) {
            // NOP
        }
    }
    return sAppName;
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {/*from w ww .j  a  va2  s .  c  om*/
        PackageManager packageManager = context.getPackageManager();

        PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);

        int versionCode = packageInfo.versionCode;
        return versionCode;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return 0;
}

From source file:Main.java

public static String getVersionName(Context context) {
    PackageManager packageManager = context.getPackageManager();
    try {/*from w w  w. j a v a 2s .c  o  m*/
        PackageInfo info = packageManager.getPackageInfo(context.getPackageName(), 0);
        return info.versionName;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static boolean isPackageInstalled(Context ctx, String targetPackage) {
    PackageManager pm = ctx.getPackageManager();
    try {/*from  ww  w .ja v a  2s  .  c om*/
        PackageInfo info = pm.getPackageInfo(targetPackage, PackageManager.GET_META_DATA);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }

    return true;
}

From source file:Main.java

public static int getVersionCode(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pi;//from   w  w w  . j  ava  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 getVersion(Context context) {
    PackageManager manager = context.getPackageManager();
    try {//from   www. ja  va  2s .  c  om
        PackageInfo packageInfo = manager.getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionName;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

public static boolean isAppInstalled(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    boolean app_installed;
    try {/*from   w  ww . ja  v a 2 s .  com*/
        pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        app_installed = true;
    } catch (PackageManager.NameNotFoundException e) {
        app_installed = false;
    }
    return app_installed;
}