Example usage for android.content.pm PackageManager SIGNATURE_UNKNOWN_PACKAGE

Introduction

In this page you can find the example usage for android.content.pm PackageManager SIGNATURE_UNKNOWN_PACKAGE.

Prototype

int SIGNATURE_UNKNOWN_PACKAGE

To view the source code for android.content.pm PackageManager SIGNATURE_UNKNOWN_PACKAGE.

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Document

Signature check result: this is returned by #checkSignatures if either of the packages are not valid.

Usage

From source file:de.ub0r.android.lib.DonationHelper.java

/**
 * Check if ads should be hidden.//from   ww  w  .j  a  v a 2s . co m
 * 
 * @param context
 *            {@link Context}
 * @return true if ads should be hidden
 */
public static boolean hideAds(final Context context) {
    PackageManager pm = context.getPackageManager();
    Intent donationCheck = new Intent(DONATOR_BROADCAST_CHECK);
    ResolveInfo ri = pm.resolveService(donationCheck, 0);
    // Log.d(TAG, "ri: " + ri);
    int match = PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    if (ri != null) {
        Log.d(TAG, "found package: " + ri.serviceInfo.packageName);
        ComponentName cn = new ComponentName(ri.serviceInfo.packageName, ri.serviceInfo.name);
        // Log.d(TAG, "component name: " + cn);
        int i = pm.getComponentEnabledSetting(cn);
        // Log.d(TAG, "component status: " + i);
        // Log.d(TAG, "package status: " + ri.serviceInfo.enabled);
        if (i == PackageManager.COMPONENT_ENABLED_STATE_ENABLED
                || i == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT && ri.serviceInfo.enabled) {
            match = pm.checkSignatures(context.getPackageName(), ri.serviceInfo.packageName);
        } else {
            Log.w(TAG, ri.serviceInfo.packageName + ": " + ri.serviceInfo.enabled);
        }
    }

    Log.i(TAG, "signature match: " + match);
    if (match != PackageManager.SIGNATURE_UNKNOWN_PACKAGE) {
        if (Math.random() < CHECK_DONATOR_LIC) {
            // verify donator license
            ComponentName cn = context.startService(donationCheck);
            Log.d(TAG, "Started service: " + cn);
            if (cn == null) {
                return false;
            }
        }
        return match == PackageManager.SIGNATURE_MATCH;
    }
    pm = null;

    // no donator app installed, check donation traditionally
    // do not drop legacy donators
    boolean ret = PreferenceManager.getDefaultSharedPreferences(context).getBoolean(PREFS_HIDEADS, false);
    Log.d(TAG, "legacy donation check: " + ret);
    return ret;
}

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