Improve/flesh-out shared library version check. (ce5abb0a) · Commits · e / os / android_frameworks_base

tests/SharedLibrary/lib/src/com/google/android/test/shared_library/SharedLibraryMain.java

+30 −35

Original line number	Diff line number	Diff line
		@@ -17,16 +17,14 @@
		package com.google.android.test.shared_library;

		import android.app.Activity;
		import android.app.AlertDialog;
		import android.app.Dialog;
		import android.app.Fragment;
		import android.app.FragmentManager;
		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";
		static String LIBRARY_PACKAGE = "com.google.android.test.shared_library";

		/**
		* Base version of the library.
		@@ -38,6 +36,9 @@ public class SharedLibraryMain {
		*/
		public static int VERSION_SECOND = 2;

		/**
		* Return the version number of the currently installed library.
		*/
		public static int getVersion(Context context) {
		PackageInfo pi = null;
		try {
		@@ -48,40 +49,34 @@ public class SharedLibraryMain {
		}
		}

		public static void ensureVersion(Activity activity, int minVersion) {
		/**
		* Check that the library's version is at least the given minimum version,
		* displaying a dialog to have the user install an update if that is not true.
		* The dialog is displayed as a DialogFragment in your activity if a newer
		* version is needed. If a newer version is needed, false is returned.
		*/
		public static boolean ensureVersion(final Activity activity, int minVersion) {
		final FragmentManager fm = activity.getFragmentManager();
		final String dialogTag = LIBRARY_PACKAGE + ":version";
		Fragment curDialog = fm.findFragmentByTag(dialogTag);

		if (getVersion(activity) >= minVersion) {
		return;
		// Library version is sufficient. Make sure any version dialog
		// we had shown is removed before returning.
		if (curDialog != null) {
		fm.beginTransaction().remove(curDialog).commitAllowingStateLoss();
		}

		// 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);
		return true;
		}

		// 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.
		// The current version of the library does not meet the required version.
		// If we don't already have a version dialog displayed, display it now.
		if (curDialog == null) {
		curDialog = new VersionDialog();
		fm.beginTransaction().add(curDialog, dialogTag).commitAllowingStateLoss();
		}
		});
		builder.show();

		// Tell the caller that the current version is not sufficient.
		return false;
		}
		}

tests/SharedLibrary/lib/src/com/google/android/test/shared_library/VersionDialog.java

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		/*
		* 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.app.DialogFragment;
		import android.content.Context;
		import android.content.DialogInterface;
		import android.content.Intent;
		import android.content.pm.PackageManager;
		import android.content.res.Resources;
		import android.net.Uri;
		import android.os.Bundle;

		/**
		* This is the dialog we show when the library's version is older than
		* the version the app needs.
		*/
		public class VersionDialog extends DialogFragment {
		@Override
		public Dialog onCreateDialog(Bundle savedInstanceState) {
		final Activity activity = getActivity();

		// Need to use our library's resources for showing the dialog.
		final Context context;
		try {
		context = activity.createPackageContext(SharedLibraryMain.LIBRARY_PACKAGE, 0);
		} catch (PackageManager.NameNotFoundException e) {
		throw new IllegalStateException("Can't find my package!", e);
		}

		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 into the details of our app.
		try {
		activity.startActivity(new Intent(Intent.ACTION_VIEW,
		Uri.parse("market://details?id="
		+ SharedLibraryMain.LIBRARY_PACKAGE)));
		} catch (android.content.ActivityNotFoundException anfe) {
		activity.startActivity(new Intent(Intent.ACTION_VIEW,
		Uri.parse("http://play.google.com/store/apps/details?id="
		+ SharedLibraryMain.LIBRARY_PACKAGE)));
		}
		}
		});
		return builder.create();
		}
		}