| /* |
| * Copyright (C) 2013 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.google.android.test.shared_library; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| |
| public class SharedLibraryMain { |
| private static String LIBRARY_PACKAGE = "com.google.android.test.shared_library"; |
| |
| /** |
| * Base version of the library. |
| */ |
| public static int VERSION_BASE = 1; |
| |
| /** |
| * The second version of the library. |
| */ |
| public static int VERSION_SECOND = 2; |
| |
| public static int getVersion(Context context) { |
| PackageInfo pi = null; |
| try { |
| pi = context.getPackageManager().getPackageInfo(LIBRARY_PACKAGE, 0); |
| return pi.versionCode; |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new IllegalStateException("Can't find my package!", e); |
| } |
| } |
| |
| public static void ensureVersion(Activity activity, int minVersion) { |
| if (getVersion(activity) >= minVersion) { |
| return; |
| } |
| |
| // The current version of the library does not meet the required version. Show |
| // a dialog to inform the user and have them update to the current version. |
| // Note that updating the library will be necessity mean killing the current |
| // application (so it can be re-started with the new version, so there is no |
| // reason to return a result here. |
| final Context context; |
| try { |
| context = activity.createPackageContext(LIBRARY_PACKAGE, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new IllegalStateException("Can't find my package!", e); |
| } |
| |
| // Display the dialog. Note that we don't need to deal with activity lifecycle |
| // stuff because if the activity gets recreated, it will first call through to |
| // ensureVersion(), causing us to either re-display the dialog if needed or let |
| // it now proceed. |
| final Resources res = context.getResources(); |
| AlertDialog.Builder builder = new AlertDialog.Builder(activity); |
| builder.setTitle(res.getText(R.string.upgrade_title)); |
| builder.setMessage(res.getString(R.string.upgrade_body, |
| activity.getApplicationInfo().loadLabel(activity.getPackageManager()), |
| context.getApplicationInfo().loadLabel(context.getPackageManager()))); |
| builder.setPositiveButton(res.getText(R.string.upgrade_button), |
| new Dialog.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| // Launch play store. |
| } |
| }); |
| builder.show(); |
| } |
| } |