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

/**
 * Convenience method to test whether the Collector application is installed on the device or not
 *
 * @param context an application context
 * @return true if Collector is installed on the device, false otherwise
 *///ww  w .ja  v a  2  s.  c o m
public static boolean isCollectorInstalled(Context context) {
    PackageManager pm = context.getPackageManager();
    try {
        pm.getPackageInfo(COLLECTOR_URI, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException ignore) {
    }

    return false;
}

From source file:Main.java

public static boolean needsMigration(Context context) {
    try {/*from   ww w.  j  a va 2  s.co  m*/
        int currentVersion = context.getPackageManager().getPackageInfo(context.getPackageName(),
                0).versionCode;
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);

        return !preferences.contains("migration_" + currentVersion);
    } catch (Exception e) {
        e.printStackTrace();
    }

    return false;
}

From source file:Main.java

public static void launchApp(Context context, String packageName) {
    PackageManager packageManager = context.getPackageManager();
    Intent intent = packageManager.getLaunchIntentForPackage(packageName);
    context.startActivity(intent);/* ww  w  .j  a  va  2 s.  c  om*/
}

From source file:Main.java

public static int getAppVersionCode(Context context) {
    try {//ww  w .j  a  va2  s  . co m
        PackageManager manager = context.getPackageManager();
        PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
        return info.versionCode;
    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    }
}

From source file:Main.java

public static int getVersionCode(Context appContext) {
    try {//from   ww  w .  j  a va2  s .  c  o  m
        PackageInfo packInfo = appContext.getPackageManager().getPackageInfo(appContext.getPackageName(), 0);
        return packInfo.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return 1;
    }
}

From source file:Main.java

@SuppressWarnings("unused")
private static boolean isIntentAvailable(Context context, Intent intent) {
    PackageManager packageManager = context.getPackageManager();
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.GET_ACTIVITIES);
    return list.size() > 0;
}

From source file:Main.java

public static String getAppName(Context context) {
    PackageManager packageManager = context.getPackageManager();
    try {/* w w w  .j a  v  a2s .co  m*/
        ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
        appName = (String) packageManager.getApplicationLabel(applicationInfo);
        if (appName == null)
            appName = "unknown";
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return appName;
}

From source file:Main.java

public static Drawable getIconFromApp(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    try {//from  w  w w .j a  v a2  s.  co m
        PackageInfo pi = pm.getPackageInfo(packageName, 0);
        return pi.applicationInfo.loadIcon(pm);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String getAppSign(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    List<PackageInfo> packages = pm.getInstalledPackages(PackageManager.GET_SIGNATURES);
    for (PackageInfo pkg : packages) {
        if (packageName.equals(pkg.packageName)) {
            return pkg.signatures[0].toCharsString();
        }//from  w  w w  .  j a  v a2 s .c om
    }

    return null;
}

From source file:Main.java

public static boolean isExsistServices(Context context, Class<?> mClass) throws NameNotFoundException {
    return context.getPackageManager().getServiceInfo(new ComponentName(context, mClass),
            PackageManager.GET_META_DATA) != null;
}