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

/**
 * get version of app/*from ww w. ja  v  a  2 s .  co m*/
 *
 * @param context
 * @return
 */
public static String getAppVersion(Context context) {
    try {
        PackageManager packageManager = context.getPackageManager();
        PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        String version = packInfo.versionName;
        return version;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Checks if an app with the specified package name is installed
 *
 * @param context/* w ww .  ja  v a  2 s. c  o m*/
 * @param packageName The package name of the app to check
 * @return <b>true</b> if the app exists and successfully launched, <b>false</b> otherwise
 */
public static boolean isInstalled(Context context, String packageName) {
    final PackageManager packageManager = context.getPackageManager();
    try {
        packageManager.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

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

From source file:Main.java

public static String getPackage(Context context) {
    try {/* w w  w.jav  a 2 s .co m*/
        PackageManager packageManager = context.getPackageManager();
        PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        return packageInfo.packageName;
    } catch (Exception e) {
    }
    return "";
}

From source file:Main.java

public static Drawable getApplicationIcon(Context context) {
    PackageManager packageManager = getPackageManager(context);
    try {/*www  .  j  a v  a  2 s.  c  o  m*/
        PackageInfo packageInfo = packageManager.getPackageInfo(getPacketName(context), 0);
        return packageInfo.applicationInfo.loadIcon(packageManager);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

private static String getVersion(Context context) {

    try {//from  w ww.ja v a 2s  . c o  m
        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        return "version" + info.versionCode;

    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return "default";
    }
}

From source file:Main.java

public static PackageInfo getApkInfo(Context context, String pkg) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pkgInfo = null;/*  www  .j a v  a 2  s  . c  o  m*/
    try {
        pkgInfo = pm.getPackageInfo(pkg, PackageManager.GET_PERMISSIONS);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return pkgInfo;
}

From source file:Main.java

public static boolean isDebug(Context context) {
    boolean ret = false;
    if (context == null)
        return false;
    PackageManager manager = context.getPackageManager();
    try {/*from w  w w .  j a va 2s .  c om*/
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        int flag = info.applicationInfo.flags;
        if ((flag & ApplicationInfo.FLAG_DEBUGGABLE) == ApplicationInfo.FLAG_DEBUGGABLE) {
            ret = true;
        }
    } catch (NameNotFoundException e) {
        // TODO Auto-generated catch block
        Log.e("WxException", e.getMessage(), e);
    } catch (Throwable e) {
        // TODO: handle exception
        return false;
    }
    return ret;
}

From source file:Main.java

public static boolean isInstalled(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    PackageInfo info;/* w  w  w .j  a va2 s.com*/
    try {
        info = pm.getPackageInfo(packageName, 0);
    } catch (PackageManager.NameNotFoundException e) {
        info = null;
    }
    return info != null;
}

From source file:Main.java

/**
 * Get the application version code.//from   ww w . ja v  a 2s .  c  o  m
 * @param context The current context.
 * @return The application version code.
 */
public static int getApplicationVersionCode(Context context) {

    int result = -1;

    try {

        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);

        result = info.versionCode;

    } catch (NameNotFoundException e) {
        Log.w("ApplicationUtils", "Unable to get application version: " + e.getMessage());
        result = -1;
    }

    return result;
}