/* Copyright (C) 2016-2024 Andreas Shimokawa, Carsten Pfeiffer, Daniele
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Gobbetti, Davis Mosenkovs, Lem Dulfo, Taavi Eomäe, Uwe Hermann
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.webkit.JavascriptInterface;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.widget.FrameLayout;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.core.app.NavUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Collections;
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import java.util.List;
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import java.util.Objects;
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import java.util.Set;
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import java.util.UUID;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.devices.DeviceManager;
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import nodomain.freeyourgadget.gadgetbridge.devices.pebble.PebbleCoordinator;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceService;
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import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
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import nodomain.freeyourgadget.gadgetbridge.service.DeviceCommunicationService;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.GBChromeClient;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.GBWebClient;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.webview.JSInterface;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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import nodomain.freeyourgadget.gadgetbridge.util.GBPrefs;
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import nodomain.freeyourgadget.gadgetbridge.util.WebViewSingleton;
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import static nodomain.freeyourgadget.gadgetbridge.model.DeviceService.ACTION_CONNECT;
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public class ExternalPebbleJSActivity extends AbstractGBActivity {
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private static final Logger LOG = LoggerFactory.getLogger(ExternalPebbleJSActivity.class);
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private Uri confUri;
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/**
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* When bgjs is enabled, this field refers to the WebViewSingleton,
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* otherwise it refers to the legacy webview from the activity_legacy_external_pebble_js layout
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*/
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private WebView myWebView;
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public static final String START_BG_WEBVIEW = "start_webview";
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public static final String SHOW_CONFIG = "configure";
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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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Bundle extras = getIntent().getExtras();
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boolean showConfig = false;
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UUID currentUUID = null;
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GBDevice currentDevice = null;
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if (extras == null) {
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confUri = getIntent().getData();
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if(confUri.getScheme().equals("gadgetbridge")) {
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try {
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currentUUID = UUID.fromString(confUri.getHost());
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} catch (IllegalArgumentException e) {
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LOG.error("UUID in incoming configuration is not a valid UUID: " +confUri.toString());
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}
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//first check if we are still connected to a pebble
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DeviceManager deviceManager = ((GBApplication) getApplication()).getDeviceManager();
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List<GBDevice> deviceList = deviceManager.getDevices();
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for (GBDevice device : deviceList) {
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if (device.getState() == GBDevice.State.INITIALIZED && device.getType().equals(DeviceType.PEBBLE)) {
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currentDevice = device;
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break;
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}
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}
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if (currentDevice == null) {
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//then try to reconnect to one of last connected Pebble devices
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Set<String> lastDeviceAddresses = GBApplication.getPrefs().getStringSet(GBPrefs.LAST_DEVICE_ADDRESSES, Collections.emptySet());
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for (GBDevice device : deviceList) {
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if (!device.isConnected() && device.getType() == DeviceType.PEBBLE && lastDeviceAddresses.contains(device.getAddress())) {
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Intent intent = new Intent(this, DeviceCommunicationService.class)
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.setAction(ACTION_CONNECT)
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.putExtra(GBDevice.EXTRA_DEVICE, device);
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this.startService(intent);
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currentDevice = device;
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break;
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}
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}
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}
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showConfig = true; //we are getting incoming configuration data
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}
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} else {
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currentDevice = extras.getParcelable(GBDevice.EXTRA_DEVICE);
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currentUUID = (UUID) extras.getSerializable(DeviceService.EXTRA_APP_UUID);
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if (currentDevice != null && extras.getBoolean(START_BG_WEBVIEW, false) && ((PebbleCoordinator) currentDevice.getDeviceCoordinator()).isBackgroundJsEnabled(currentDevice)) {
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startBackgroundWebViewAndFinish();
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return;
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}
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showConfig = extras.getBoolean(SHOW_CONFIG, false);
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}
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if (currentDevice != null && ((PebbleCoordinator) currentDevice.getDeviceCoordinator()).isBackgroundJsEnabled(currentDevice)) {
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if (showConfig) {
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Objects.requireNonNull(currentDevice, "Must provide a device when invoking this activity");
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Objects.requireNonNull(currentUUID, "Must provide a uuid when invoking this activity");
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WebViewSingleton.getInstance().runJavascriptInterface(this, currentDevice, currentUUID);
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}
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// FIXME: is this really supposed to be outside the check for SHOW_CONFIG?
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setupBGWebView();
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} else {
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Objects.requireNonNull(currentDevice, "Must provide a device when invoking this activity without bgjs");
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Objects.requireNonNull(currentUUID, "Must provide a uuid when invoking this activity without bgjs");
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setupLegacyWebView(currentDevice, currentUUID);
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}
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}
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private void startBackgroundWebViewAndFinish() {
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WebViewSingleton.ensureCreated(this);
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finish();
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}
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private void setupBGWebView() {
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setContentView(R.layout.activity_external_pebble_js);
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myWebView = WebViewSingleton.getInstance().getWebView(this);
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if (myWebView.getParent() != null) {
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((ViewGroup) myWebView.getParent()).removeView(myWebView);
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}
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myWebView.setWillNotDraw(false);
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myWebView.removeJavascriptInterface("GBActivity");
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myWebView.addJavascriptInterface(new ActivityJSInterface(), "GBActivity");
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FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
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fl.addView(myWebView);
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myWebView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
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@Override
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public void onViewAttachedToWindow(View v) {
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v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
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}
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@Override
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public void onViewDetachedFromWindow(View v) {
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v.removeOnAttachStateChangeListener(this);
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FrameLayout fl = (FrameLayout) findViewById(R.id.webview_placeholder);
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fl.removeAllViews();
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}
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});
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}
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private void setupLegacyWebView(@NonNull GBDevice device, @NonNull UUID uuid) {
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setContentView(R.layout.activity_legacy_external_pebble_js);
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myWebView = (WebView) findViewById(R.id.configureWebview);
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myWebView.clearCache(true);
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myWebView.setWebViewClient(new GBWebClient());
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myWebView.setWebChromeClient(new GBChromeClient());
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WebSettings webSettings = myWebView.getSettings();
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//noinspection SetJavaScriptEnabled
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webSettings.setJavaScriptEnabled(true);
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//needed to access the DOM
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webSettings.setDomStorageEnabled(true);
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//needed for localstorage
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webSettings.setDatabaseEnabled(true);
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// #3373 #3424 - Fix configuration for pebble apps
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// TODO: this should use a WebViewAssetLoader
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webSettings.setAllowFileAccess(true);
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JSInterface gbJSInterface = new JSInterface(device, uuid);
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myWebView.addJavascriptInterface(gbJSInterface, "GBjs");
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myWebView.addJavascriptInterface(new ActivityJSInterface(), "GBActivity");
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myWebView.loadUrl("file:///android_asset/app_config/configure.html");
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}
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@Override
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protected void onResume() {
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super.onResume();
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String queryString = "";
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if (confUri != null) {
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//getting back with configuration data
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LOG.debug("WEBVIEW returned config: " + confUri.toString());
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try {
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queryString = confUri.getEncodedQuery();
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} catch (IllegalArgumentException e) {
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GB.toast("returned uri: " + confUri.toString(), Toast.LENGTH_LONG, GB.ERROR);
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}
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myWebView.stopLoading();
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myWebView.loadUrl("file:///android_asset/app_config/configure.html?" + queryString);
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}
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}
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@Override
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protected void onNewIntent(Intent incoming) {
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incoming.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
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super.onNewIntent(incoming);
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confUri = incoming.getData();
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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final int itemId = item.getItemId();
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if (itemId == android.R.id.home) {
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NavUtils.navigateUpFromSameTask(this);
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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private class ActivityJSInterface {
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@JavascriptInterface
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public void closeActivity() {
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NavUtils.navigateUpFromSameTask(ExternalPebbleJSActivity.this);
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}
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}
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}
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