src/com/android/packageinstaller/RemoveReceiver.java

/*
**
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
package com.android.packageinstaller;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;

public class RemoveReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(intent.getAction())) {
            Uri uri = intent.getData();
            String pkg = uri != null ? uri.getSchemeSpecificPart() : null;
            if (pkg != null) {
                SharedPreferences prefs = context.getSharedPreferences(
                        PackageInstallerActivity.PREFS_ALLOWED_SOURCES,
                        Context.MODE_PRIVATE);
                if (prefs.getBoolean(pkg, false)) {
                    prefs.edit().remove(pkg).apply();
                }
            }
        }
    }
}