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 String getPackageByApkFilePath(Context context, String path) {
    PackageManager pm = context.getPackageManager();
    String packageName = "";
    PackageInfo info = pm.getPackageArchiveInfo(path, PackageManager.GET_ACTIVITIES);
    ApplicationInfo appInfo = null;/*from  ww  w.  j  a va2s  .c  o m*/
    if (info != null) {
        appInfo = info.applicationInfo;
        packageName = appInfo.packageName;
        //            System.out.println("packageName:" + packageName);
    }
    return packageName;
}

From source file:Main.java

public static int getVersionCode(Context cxt) {
    try {//www  .  j  a v  a  2  s  .co m
        PackageManager manager = cxt.getPackageManager();
        PackageInfo info = manager.getPackageInfo(cxt.getPackageName(), 0);
        return info.versionCode;
    } catch (Exception e) {
        e.printStackTrace();
        return -1;
    }
}

From source file:Main.java

public static boolean doSignaturesMatch(Context ctx, String pkg1, String pkg2) {
    boolean match = ctx.getPackageManager().checkSignatures(pkg1, pkg2) == SIGNATURE_MATCH;
    return match;
}

From source file:Main.java

public static int getAppVersionCode(Context context) {
    try {//from w  ww.  ja  va 2  s  .  com
        PackageManager pm = context.getPackageManager();
        PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
        return pi == null ? -1 : pi.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return -1;
    }
}

From source file:Main.java

public static int getVersionCode(Context context) {
    PackageManager pm = context.getPackageManager();
    int versionCode = 0;
    try {/*  www. j a  va  2  s.  co m*/
        PackageInfo packageInfo = pm.getPackageInfo(context.getPackageName(), 0);
        versionCode = packageInfo.versionCode;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return versionCode;
}

From source file:Main.java

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

From source file:Main.java

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

From source file:Main.java

public static boolean isUpdatedVersion(Context context) {

    final PackageManager packageManager = context.getPackageManager();
    Intent intent = packageManager.getLaunchIntentForPackage("pay.with.slydepay");
    if (intent == null) {
        return false;
    }//from  w  ww .j  a  v a 2s.com
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
    return list.size() > 0;
}

From source file:Main.java

/** Checks if a package is installed.
 * //www. j a  v  a 2 s  .c  o  m
 * @param context Context to be used to verify the existence of the package.
 * @param packageName Package name to be searched.
 * @return true if the package is discovered; false otherwise
 */
public static boolean isPackageInstalled(Context context, String packageName) {
    try {
        context.getPackageManager().getApplicationInfo(packageName, 0);
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

@SuppressWarnings("unused")
public static void launchApk(Context context, String launchApkUrl) {

    PackageManager pm = context.getPackageManager();
    Intent intent = pm.getLaunchIntentForPackage(launchApkUrl);
    context.startActivity(intent);//from  w w w. ja  v a2s.  co  m

}