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AppRestrictionEnforcer / src / com.example.android.apprestrictionenforcer /

MainActivity.java

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/*
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 * Copyright (C) 2014 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.apprestrictionenforcer;
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import android.app.admin.DevicePolicyManager;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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import android.support.v4.app.FragmentActivity;
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public class MainActivity extends FragmentActivity implements StatusFragment.StatusUpdatedListener {
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    @Override
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    protected void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        setContentView(R.layout.activity_main_real);
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        if (null == savedInstanceState) {
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            DevicePolicyManager devicePolicyManager =
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                    (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
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            PackageManager packageManager = getPackageManager();
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            if (!devicePolicyManager.isProfileOwnerApp(getApplicationContext().getPackageName())) {
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                // If the managed profile is not yet set up, we show the setup screen.
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                showSetupProfile();
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            } else {
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                try {
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                    ApplicationInfo info = packageManager.getApplicationInfo(
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                            Constants.PACKAGE_NAME_APP_RESTRICTION_SCHEMA,
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                            PackageManager.GET_UNINSTALLED_PACKAGES);
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                    if (0 == (info.flags & ApplicationInfo.FLAG_INSTALLED)) {
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                        // Need to reinstall the sample app
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                        showStatusProfile();
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                    } else if (devicePolicyManager.isApplicationHidden(
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                            EnforcerDeviceAdminReceiver.getComponentName(this),
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                            Constants.PACKAGE_NAME_APP_RESTRICTION_SCHEMA)) {
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                        // The app is installed but hidden in this profile
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                        showStatusProfile();
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                    } else {
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                        // Everything is clear; show the main screen
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                        showMainFragment();
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                    }
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                } catch (PackageManager.NameNotFoundException e) {
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                    showStatusProfile();
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                }
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            }
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        }
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    }
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    private void showSetupProfile() {
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        getSupportFragmentManager().beginTransaction()
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                .replace(R.id.container, SetupProfileFragment.newInstance())
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                .commit();
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    }
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    private void showStatusProfile() {
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        getSupportFragmentManager().beginTransaction()
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                .replace(R.id.container, new StatusFragment())
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                .commit();
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    }
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    private void showMainFragment() {
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        getSupportFragmentManager().beginTransaction()
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                .replace(R.id.container, new AppRestrictionEnforcerFragment())
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                .commit();
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    }
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    @Override
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    public void onStatusUpdated() {
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        showMainFragment();
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    }
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}
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