Handle the back key. Finish the activity if dialog is cancelled. Show an error and finish the activity if URL couldn't be found due to connectivity problem and not just when Telephony is not available.
114 lines
3.9 KiB
Java
114 lines
3.9 KiB
Java
/*
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* Copyright (C) 2009 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.android.settings;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.SystemProperties;
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import android.telephony.TelephonyManager;
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import android.text.TextUtils;
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import android.view.KeyEvent;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import com.android.internal.app.AlertActivity;
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import com.android.internal.app.AlertController;
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import android.content.DialogInterface;
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/**
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* The "dialog" that shows from "Safety information" in the Settings app.
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*/
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public class SettingsSafetyLegalActivity extends AlertActivity
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implements DialogInterface.OnCancelListener, DialogInterface.OnClickListener {
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private static final String PROPERTY_LSAFETYLEGAL_URL = "ro.url.safetylegal";
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private WebView mWebView;
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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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String userSafetylegalUrl = SystemProperties.get(PROPERTY_LSAFETYLEGAL_URL);
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final Configuration configuration = getResources().getConfiguration();
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final String language = configuration.locale.getLanguage();
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final String country = configuration.locale.getCountry();
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String loc = String.format("locale=%s-%s", language, country);
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userSafetylegalUrl = String.format("%s&%s", userSafetylegalUrl, loc);
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mWebView = new WebView(this);
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// Begin accessing
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mWebView.getSettings().setJavaScriptEnabled(true);
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mWebView.loadUrl(userSafetylegalUrl);
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mWebView.setWebViewClient(new WebViewClient() {
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@Override
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public void onPageFinished(WebView view, String url) {
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// Change from 'Loading...' to the real title
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mAlert.setTitle(getString(R.string.settings_safetylegal_activity_title));
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}
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@Override
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public void onReceivedError(WebView view, int errorCode,
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String description, String failingUrl) {
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showErrorAndFinish(failingUrl);
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}
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});
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final AlertController.AlertParams p = mAlertParams;
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p.mTitle = getString(R.string.settings_safetylegal_activity_loading);
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p.mView = mWebView;
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p.mForceInverseBackground = true;
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setupAlert();
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}
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private void showErrorAndFinish(String url) {
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new AlertDialog.Builder(this)
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.setMessage(getResources()
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.getString(R.string.settings_safetylegal_activity_unreachable, url))
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.setTitle(R.string.settings_safetylegal_activity_title)
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.setPositiveButton(android.R.string.ok, this)
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.setOnCancelListener(this)
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.setCancelable(true)
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.show();
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}
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@Override
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public boolean dispatchKeyEvent(KeyEvent event) {
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if (event.getKeyCode() == KeyEvent.KEYCODE_BACK
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&& event.getAction() == KeyEvent.ACTION_DOWN) {
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if (mWebView.canGoBack()) {
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mWebView.goBack();
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return true;
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}
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}
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return super.dispatchKeyEvent(event);
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}
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public void onClick(DialogInterface dialog, int whichButton) {
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finish();
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}
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public void onCancel(DialogInterface dialog) {
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finish();
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}
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}
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