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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mozilla.gecko.util;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.text.TextUtils;
public class ContextUtils {
private static final String INSTALLER_GOOGLE_PLAY = "com.android.vending";
private ContextUtils() {}
/**
* @return {@link android.content.pm.PackageInfo#firstInstallTime} for the context's package.
* @throws PackageManager.NameNotFoundException Unexpected - we get the package name from the context so
* it's expected to be found.
*/
public static PackageInfo getCurrentPackageInfo(final Context context) {
try {
return context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
} catch (PackageManager.NameNotFoundException e) {
throw new AssertionError("Should not happen: Can't get package info of own package");
}
}
public static boolean isPackageInstalled(final Context context, String packageName) {
try {
PackageManager pm = context.getPackageManager();
pm.getPackageInfo(packageName, 0);
return true;
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
public static boolean isInstalledFromGooglePlay(final Context context) {
final String installerPackageName = context.getPackageManager().getInstallerPackageName(context.getPackageName());
if (TextUtils.isEmpty(installerPackageName)) {
return false;
}
return INSTALLER_GOOGLE_PLAY.equals(installerPackageName);
}
}
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