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

/**
 * Find out whether or not K-9 Mail is installed.
 *
 * @param context/*from  w ww . j  a  v  a 2 s . com*/
 *         Used to retrieve the package manager.
 *
 * @return {@code true} if K-9 Mail is installed, {@code false} otherwise.
 */
public static final boolean isK9Installed(Context context) {
    PackageManager manager = context.getPackageManager();
    try {
        manager.getPackageInfo(PACKAGE_NAME, 0);
        return true;
    } catch (NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static void collectDeviceInfo(Context ctx, HashMap<String, String> infos) {
    try {//from w  ww. j  a  v a2 s .com
        PackageManager pm = ctx.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
        if (pi != null) {
            String versionName = pi.versionName == null ? "null" : pi.versionName;
            String versionCode = pi.versionCode + "";
            infos.put("versionName", versionName);
            infos.put("versionCode", versionCode);
        }
    } catch (NameNotFoundException e) {
        e.getMessage();
    }
    Field[] fields = Build.class.getDeclaredFields();
    for (Field field : fields) {
        try {
            field.setAccessible(true);
            infos.put(field.getName(), field.get(null).toString());
        } catch (Exception e) {
            e.getMessage();
        }
    }
}

From source file:Main.java

public static int getAppVersionCode(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pi;// ww  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 -1;
}

From source file:Main.java

public static boolean isAppInstalled(Context ctx, String uri) {
    PackageManager pm = ctx.getPackageManager();
    boolean installed = false;
    try {/*  w  ww.ja v  a 2 s .c om*/
        pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
        installed = true;
    } catch (PackageManager.NameNotFoundException e) {
        installed = false;
    }
    return installed;
}

From source file:Main.java

public static boolean appInstalledOrNot(String uri, Context context) {
    PackageManager pm = context.getPackageManager();
    boolean app_installed;
    try {// w  w w . jav  a  2 s .c  o m
        pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
        app_installed = true;
    } catch (PackageManager.NameNotFoundException e) {
        app_installed = false;
    }
    return app_installed;
}

From source file:Main.java

public static String getAppVersionName(Context context, String s) {
    PackageManager manager = context.getPackageManager();

    try {//from  w w w.  j  av  a2 s  . c  om
        PackageInfo packageInfo = manager.getPackageInfo(s, 0);
        return packageInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
        return null;
    }
}

From source file:Main.java

public static boolean isInstalled(Context context, String pkgName) {
    PackageManager packageManager = context.getPackageManager();
    try {// w  w w  . j a  v a  2s.  c o m
        PackageInfo info = packageManager.getPackageInfo(pkgName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return false;
    }

}

From source file:Main.java

public static String getVersion(Context context) {
    String version = "unknown";
    try {//from   w  w w.j a v a 2s.  com
        if (context != null) {
            Context appContext = context.getApplicationContext();
            PackageManager manager = appContext.getPackageManager();
            PackageInfo packageInfo = manager.getPackageInfo(appContext.getPackageName(), 0);
            version = packageInfo.versionName;
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return version;
}

From source file:Main.java

private static void getVersionState(Context context) {
    if (VERSION_CODE == -1 && VERSION_NAME == null) {
        PackageManager pm = context.getPackageManager();
        try {// w w  w.  ja  v  a 2 s  . c  om
            PackageInfo pkg = pm.getPackageInfo(context.getPackageName(), 0);
            VERSION_CODE = pkg.versionCode;
            VERSION_NAME = pkg.versionName;
        } catch (NameNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

From source file:Main.java

public static boolean isAppExists(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    try {// w  w  w  . j ava2s .  c om
        PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        if (packageInfo != null) {
            return true;
        }
    } catch (NameNotFoundException e) {
        return false;
    }

    return true;
}