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 void startApkActivity(final Context ctx, String packageName) {
    PackageManager pm = ctx.getPackageManager();
    PackageInfo pi;/*from   w w w  .  ja v  a2  s.c  o  m*/
    try {
        pi = pm.getPackageInfo(packageName, 0);
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setPackage(pi.packageName);

        List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);

        ResolveInfo ri = apps.iterator().next();
        if (ri != null) {
            String className = ri.activityInfo.name;
            intent.setComponent(new ComponentName(packageName, className));
            ctx.startActivity(intent);
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String[] getVersionInfo(Context context) {
    String[] version = new String[2];

    PackageManager packageManager = context.getPackageManager();

    try {//  w w  w  .  j av a2 s  .  co  m
        PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        version[0] = String.valueOf(packageInfo.versionCode);
        version[1] = packageInfo.versionName;
        return version;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }

    return version;
}

From source file:Main.java

public static Boolean isInstalled(Context context, String appPackageName) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pInfo = null;//from w w  w. j  a v a  2 s . co  m
    try {
        pInfo = pm.getPackageInfo(appPackageName, 0);
    } catch (NameNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    if (pInfo != null) {
        return true;
    }
    return false;
}

From source file:Main.java

/**
 * get version name via package name//from  w  w  w. jav  a  2  s . co  m
 * @param context
 * @param packageName
 * @return
 */
public static String getVersionName(Context context, String packageName) {
    String versionName = null;
    do {
        if ((null == context) || TextUtils.isEmpty(packageName)) {
            break;
        }
        PackageManager pm = context.getPackageManager();
        try {
            PackageInfo pi = pm.getPackageInfo(packageName, 0);
            versionName = pi.versionName;
        } catch (NameNotFoundException e) {

            e.printStackTrace();
            break;
        }

    } while (false);

    return versionName;
}

From source file:Main.java

public static String getAppVersionName(Context context) {
    PackageManager manager = context.getPackageManager();
    PackageInfo info;//from   w w  w .  j a  va  2 s  .com
    try {
        info = manager.getPackageInfo(context.getPackageName(), 0);
        return info.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        return "1.0";
    }
}

From source file:Main.java

public static void startApkActivity(final Context ctx, String packageName) {
    PackageManager pm = ctx.getPackageManager();
    PackageInfo pi;//from w w  w.  j  a  v  a 2s. c o  m
    try {
        pi = pm.getPackageInfo(packageName, 0);
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setPackage(pi.packageName);

        List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);

        ResolveInfo ri = apps.iterator().next();
        if (ri != null) {
            String className = ri.activityInfo.name;
            intent.setComponent(new ComponentName(packageName, className));
            ctx.startActivity(intent);
        }
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String getVersionName(Activity activity) {
    PackageManager packageManager = activity.getPackageManager();
    PackageInfo packInfo;//from w w w  . j a va 2  s.c  o m
    try {
        packInfo = packageManager.getPackageInfo(activity.getPackageName(), 0);
        return packInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return "1.0";
    }
}

From source file:Main.java

public static String getVersionName(Activity ctx) {
    PackageManager packageManager = ctx.getPackageManager();
    PackageInfo packInfo = null;//from w  w w .j a  va2  s.  c  o m
    try {
        packInfo = packageManager.getPackageInfo(ctx.getPackageName(), 0);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    String version = packInfo.versionName;
    return version;
}

From source file:Main.java

public static String getApplicationVersion(final Context context) {
    String appVersion = "";

    PackageManager packageManager = context.getPackageManager();
    try {//from   ww w.  j  a  v a  2  s  .  co m
        PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        appVersion = packageInfo.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }

    return appVersion;
}

From source file:Main.java

public static String getVersionName(Context context) {
    PackageManager manager = context.getPackageManager();
    PackageInfo pInfo = new PackageInfo();
    try {//from w  ww.  ja v a 2  s  . c  om
        pInfo = manager.getPackageInfo(context.getPackageName(), 0);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return pInfo.versionName == null ? null : pInfo.versionName;
}