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 void runApp(Context context, String packageName) {
    context.startActivity(new Intent(context.getPackageManager().getLaunchIntentForPackage(packageName)));
}

From source file:Main.java

public static int getSize(Context context, Intent intent) {
    PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);
    return activities.size();
}

From source file:Main.java

public static Boolean isAppInstalled(Context context, String appName) {
    PackageManager pm = context.getPackageManager();
    boolean installed;
    try {//from w ww .j a v  a2  s. c om
        pm.getPackageInfo(appName, PackageManager.GET_ACTIVITIES);
        installed = true;
    } catch (PackageManager.NameNotFoundException e) {
        installed = false;
    }
    return installed;
}

From source file:Main.java

public static String getVersionInfo(Context context) {
    PackageManager packageManager = context.getPackageManager();
    try {/* w w  w  .ja  v a  2s  .c o m*/
        PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionName;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        Log.e("majunjun", "can't reach........");
        return "";
    }
}

From source file:Main.java

public static boolean isGooglePlayInstalled(Context context) {
    PackageManager pm = context.getPackageManager();
    boolean app_installed;
    try {//from www .  j av a 2  s .  c  om
        PackageInfo info = pm.getPackageInfo("com.android.vending", PackageManager.GET_ACTIVITIES);
        String label = (String) info.applicationInfo.loadLabel(pm);
        app_installed = (label != null && label.equals("Google Play Store"));
    } catch (PackageManager.NameNotFoundException e) {
        app_installed = false;
    }
    return app_installed;
}

From source file:Main.java

public static String getVersionName(Context context) {
    PackageManager packageManager = context.getPackageManager();
    PackageInfo packageInfo = null;//w ww . java 2 s . c  om
    try {
        packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return null;
    }
    return packageInfo.versionName;

}

From source file:Main.java

public static boolean doesPackageHaveSameSignature(Context context, String productPackage) {
    int compareSignatures = context.getPackageManager().checkSignatures(context.getPackageName(),
            productPackage);/*from  w w  w. ja va  2s .  co  m*/
    return PackageManager.SIGNATURE_MATCH == compareSignatures;
}

From source file:Main.java

public static boolean isInstalled(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    try {/*from   w w  w.  j  ava 2 s .  c om*/
        pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

private static boolean isActionAvailable(Context context, Intent intent) {
    PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);
    return activities.size() > 0;
}

From source file:Main.java

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