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/*
* Copyright (C) 2015 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.settings;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemProperties;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;
import java.io.File;
/**
* The "dialog" that shows from "Manual" in the Settings app.
*/
public class ManualDisplayActivity extends Activity {
private static final String TAG = "SettingsManualActivity";
private static final String DEFAULT_MANUAL_PATH = "/system/etc/MANUAL.html.gz";
private static final String PROPERTY_MANUAL_PATH = "ro.config.manual_path";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Resources resources = getResources();
if (!resources.getBoolean(R.bool.config_show_manual)) {
finish(); // No manual to display for this device
}
final String path = SystemProperties.get(PROPERTY_MANUAL_PATH, DEFAULT_MANUAL_PATH);
if (TextUtils.isEmpty(path)) {
Log.e(TAG, "The system property for the manual is empty");
showErrorAndFinish();
return;
}
final File file = new File(path);
if (!file.exists() || file.length() == 0) {
Log.e(TAG, "Manual file " + path + " does not exist");
showErrorAndFinish();
return;
}
final Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file), "text/html");
intent.putExtra(Intent.EXTRA_TITLE, getString(R.string.settings_manual_activity_title));
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.setPackage("com.android.htmlviewer");
try {
startActivity(intent);
finish();
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Failed to find viewer", e);
showErrorAndFinish();
}
}
private void showErrorAndFinish() {
Toast.makeText(this, R.string.settings_manual_activity_unavailable, Toast.LENGTH_LONG)
.show();
finish();
}
}
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