Java tutorial
/* This file was modified from or inspired by Apache Cordova. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.polyvi.xface.extension; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.util.List; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PixelFormat; import android.graphics.drawable.Drawable; import android.net.Uri; import android.provider.Settings; import android.util.Base64; import com.polyvi.xface.core.XConfiguration; import com.polyvi.xface.plugin.api.XIWebContext; import com.polyvi.xface.util.XAppUtils; import com.polyvi.xface.util.XBase64; import com.polyvi.xface.util.XConstant; import com.polyvi.xface.util.XFileUtils; import com.polyvi.xface.util.XLog; import com.polyvi.xface.util.XPathResolver; import com.polyvi.xface.util.XStringUtils; public class XAppExt extends XExtension { private static final String CLASS_NAME = "XAppExt"; private static final String COMMAND_EXITAPP = "exitApp"; private static final String COMMAND_OPEN_URL = "openUrl"; private static final String COMMAND_INSTALL = "install"; private static final String COMMAND_START_SYSTEM_COMPONENT = "startSystemComponent"; private static final String COMMAND_SET_WIFI_SLEEP_POLICY = "setWifiSleepPolicy"; private static final String COMMAND_LOAD_URL = "loadUrl"; private static final String COMMAND_BACK_HISTORY = "backHistory"; private static final String COMMAND_CLEAR_HISTORY = "clearHistory"; private static final String COMMAND_CLEAR_CACHE = "clearCache"; private static final String COMMAND_START_NATIVE_APP = "startNativeApp"; private static final String COMMAND_IS_NATIVE_APP_INSTALLED = "isNativeAppInstalled"; private static final String COMMAND_TEL_LINK_ENABLE = "telLinkEnable"; private static final String COMMAND_QUERY_INSTALLED_NATIVEAPP = "queryInstalledNativeApp"; private static final String COMMAND_UNINSTALL_NATIVEAPP = "uninstallNativeApp"; private static final String APK_TYPE = "application/vnd.android.package-archive"; /** tag? */ private static final String TAG_APP_NAME = "name"; private static final String TAG_APP_ID = "id"; private static final String TAG_APP_ICON = "icon"; private BroadcastReceiver mInstallerReceiver; private String uninstallPackageName; /** ??component?? */ public enum SysComponent { VPN_CONFIG, // vpn? WIRELESS_CONFIG, // ? GPS_CONFIG, // gps? UNKNOWN // ?? }; /** wifi3?? */ private static final String WIFI_SLEEP_POLICY_DEFAULT = "wifi_sleep_policy_default"; private static final String WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED = "wifi_sleep_policy_never_while_plugged"; private static final String WIFI_SLEEP_POLICY_NEVER = "wifi_sleep_policy_never"; @Override public void sendAsyncResult(String result) { } @Override public boolean isAsync(String action) { if (action.equals(COMMAND_START_SYSTEM_COMPONENT) || action.equals(COMMAND_OPEN_URL)) { return false; } return true; } @Override public XExtensionResult exec(String action, JSONArray args, XCallbackContext callbackCtx) throws JSONException { XExtensionResult.Status status = XExtensionResult.Status.OK; String result = ""; try { if (action.equals(COMMAND_EXITAPP)) { exitApp(); } else if (COMMAND_OPEN_URL.equals(action)) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); String url = args.getString(0); Uri uri = getUrlFromPath(mWebContext, url); if (null == uri) { status = XExtensionResult.Status.ERROR; result = "file not exist"; return new XExtensionResult(status, result); } setDirPermisionUntilWorkspace(mWebContext, uri); setIntentByUri(intent, uri); getContext().startActivity(intent); } else if (COMMAND_INSTALL.equals(action)) { XPathResolver pathResolver = new XPathResolver(args.getString(0), mWebContext.getWorkSpace()); install(pathResolver.resolve(), callbackCtx); return new XExtensionResult(XExtensionResult.Status.NO_RESULT); } else if (COMMAND_START_SYSTEM_COMPONENT.equals(action)) { if (!startSystemComponent(args.getInt(0))) { status = XExtensionResult.Status.ERROR; result = "Unsupported component:: " + args.getString(0); } } else if (COMMAND_SET_WIFI_SLEEP_POLICY.equals(action)) { if (!setWifiSleepPolicy(args.getString(0))) { status = XExtensionResult.Status.ERROR; result = "set wifi sleep policy error"; } } else if (COMMAND_LOAD_URL.equals(action)) { boolean openExternal = Boolean.valueOf(args.getString(1)); boolean clearHistory = Boolean.valueOf(args.getString(2)); loadUrl(args.getString(0), openExternal, clearHistory, mWebContext); } else if (COMMAND_BACK_HISTORY.equals(action)) { backHistory(mWebContext); } else if (COMMAND_CLEAR_HISTORY.equals(action)) { clearHistory(mWebContext); } else if (COMMAND_CLEAR_CACHE.equalsIgnoreCase(action)) { clearCache(mWebContext); } else if (COMMAND_START_NATIVE_APP.equalsIgnoreCase(action)) { if (!XAppUtils.startNativeApp(mExtensionContext.getSystemContext().getContext(), args.getString(0), XConstant.TAG_APP_START_PARAMS, args.getString(1))) { status = XExtensionResult.Status.ERROR; } } else if (COMMAND_IS_NATIVE_APP_INSTALLED.equals(action)) { boolean installResult = false; if (isAppInstalled(args.getString(0))) { installResult = true; } return new XExtensionResult(status, installResult); } else if (COMMAND_TEL_LINK_ENABLE.equals(action)) { XConfiguration.getInstance().setTelLinkEnabled(args.optBoolean(0, true)); } else if (COMMAND_QUERY_INSTALLED_NATIVEAPP.equals(action)) { return new XExtensionResult(status, queryInstalledNativeApp(args.getString(0))); } else if (COMMAND_UNINSTALL_NATIVEAPP.equals(action)) { uninstallNativeApp(args.getString(0), callbackCtx); return new XExtensionResult(XExtensionResult.Status.NO_RESULT); } else { status = XExtensionResult.Status.INVALID_ACTION; result = "Unsupported Operation: " + action; } return new XExtensionResult(status, result); } catch (IllegalArgumentException e) { e.printStackTrace(); return new XExtensionResult(XExtensionResult.Status.ERROR); } } private void setIntentByUri(Intent intent, Uri uri) { if (!XConstant.FILE_SCHEME.contains(uri.getScheme())) { intent.setData(uri); } else { String mimeType = XFileUtils.getMIMEType(uri.toString()); intent.setDataAndType(uri, XStringUtils.isEmptyString(mimeType) ? "*/*" : mimeType); } } private void setDirPermisionUntilWorkspace(XIWebContext webContext, Uri uri) { // ?? // ?:?workspace if (!XConstant.FILE_SCHEME.contains(uri.getScheme())) { return; } String filePath = uri.getPath(); String workspace = new File(webContext.getWorkSpace()).getAbsolutePath(); File fileObj = new File(filePath); do { String path = fileObj.getAbsolutePath(); // ?? XFileUtils.setPermission(XFileUtils.ALL_PERMISSION, path); fileObj = new File(fileObj.getParent()); } while (!fileObj.getAbsolutePath().equals(workspace)); } /** * App */ public void exitApp() { mExtensionContext.getSystemContext().finish(); } /** * apk * * @param path * ?apk */ public void install(String path, XCallbackContext callbackCtx) { registerInstallerReceiver(callbackCtx); Intent intent = new Intent(Intent.ACTION_VIEW); // ???, ?apk? XFileUtils.setPermission(XFileUtils.READABLE_BY_OTHER, path); intent.setDataAndType(Uri.fromFile(new File(path)), APK_TYPE); getContext().startActivity(intent); } /** * ?componen * * @param componenName * ??componen?? return true??,false? */ private boolean startSystemComponent(int componentCode) { SysComponent componentName = SysComponent.UNKNOWN; try { componentName = SysComponent.values()[componentCode]; } catch (ArrayIndexOutOfBoundsException e) { XLog.d(CLASS_NAME, "unkown component name!", e); return false; } Intent intent = null; boolean success = false; switch (componentName) { case VPN_CONFIG: intent = new Intent("android.net.vpn.SETTINGS"); break; case WIRELESS_CONFIG: intent = new Intent(Settings.ACTION_WIRELESS_SETTINGS); break; case GPS_CONFIG: intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); break; default: XLog.d(CLASS_NAME, "unkown component name!"); break; } if (null != intent) { intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); getContext().startActivity(intent); success = true; } return success; } /** * ?pathuri * * @param app * * @param path * url return Uri ?:uri,:null */ private Uri getUrlFromPath(XIWebContext webContext, String path) { XPathResolver fileResolver = new XPathResolver(path, webContext.getWorkSpace()); String absPath = fileResolver.resolve(); Uri uri = null; if (path.startsWith(XConstant.HTTP_SCHEME) || path.startsWith(XConstant.HTTPS_SCHEME)) { uri = Uri.parse(absPath); } else { File file = new File(absPath); if (file.exists()) { uri = Uri.fromFile(file); } } return uri; } /** * wifi * * @param wifiSleepPolicy * * @return true:?,false: */ private boolean setWifiSleepPolicy(String wifiSleepPolicy) { if (WIFI_SLEEP_POLICY_DEFAULT.equals(wifiSleepPolicy)) { return Settings.System.putInt(getContext().getContentResolver(), Settings.System.WIFI_SLEEP_POLICY, Settings.System.WIFI_SLEEP_POLICY_DEFAULT); } else if (WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED.equals(wifiSleepPolicy)) { return Settings.System.putInt(getContext().getContentResolver(), Settings.System.WIFI_SLEEP_POLICY, Settings.System.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED); } else if (WIFI_SLEEP_POLICY_NEVER.equals(wifiSleepPolicy)) { return Settings.System.putInt(getContext().getContentResolver(), Settings.System.WIFI_SLEEP_POLICY, Settings.System.WIFI_SLEEP_POLICY_NEVER); } else { return false; } } /** * url. * * @param url * ?URL * @param props * ?loadUrl? (i.e. openExternal,clearHistory) * @param webContext * * @throws JSONException */ public void loadUrl(String url, boolean openExternal, boolean clearHistory, XIWebContext webContext) throws JSONException { XLog.d("App", "App.loadUrl(" + url + ",openExternal:" + openExternal + ",clearHistory:" + clearHistory + ")"); webContext.getApplication().loadUrl(url, openExternal, clearHistory, getContext()); } /** * ??androidback? * * @param webContext * ? */ public void backHistory(final XIWebContext webContext) { mExtensionContext.getSystemContext().runOnUiThread(new Runnable() { public void run() { webContext.getApplication().backHistory(); } }); } /** * ????. */ public void clearHistory(XIWebContext webContext) { webContext.getApplication().clearHistory(); } /** * ??. */ public void clearCache(XIWebContext webContext) { webContext.getApplication().clearCache(true); } /** * ??? * * @param appId * ?id?? * @return true?? */ public boolean isAppInstalled(String appId) { if (null == appId) { return false; } try { getContext().getPackageManager().getApplicationInfo(appId, PackageManager.GET_UNINSTALLED_PACKAGES); return true; } catch (NameNotFoundException e) { return false; } } /** * ??? * * @param type * "0":"1","2": * @return ?? * @throws JSONException */ public JSONArray queryInstalledNativeApp(String type) throws JSONException { JSONArray appArray = new JSONArray(); int appType = Integer.valueOf(type); PackageManager pm = getContext().getPackageManager(); List<PackageInfo> packages = pm.getInstalledPackages(0); for (PackageInfo packageInfo : packages) { if (getContext().getPackageName().equals(packageInfo.applicationInfo.packageName)) continue; switch (appType) { case 0: JSONObject obj = new JSONObject(); obj.put(TAG_APP_NAME, pm.getApplicationLabel(packageInfo.applicationInfo).toString()); obj.put(TAG_APP_ID, packageInfo.applicationInfo.packageName); obj.put(TAG_APP_ICON, drawableToBase64(pm.getApplicationIcon(packageInfo.applicationInfo))); appArray.put(obj); break; case 1: if ((packageInfo.applicationInfo.flags & 0x1) != 0) continue; JSONObject userAppObj = new JSONObject(); userAppObj.put(TAG_APP_NAME, pm.getApplicationLabel(packageInfo.applicationInfo).toString()); userAppObj.put(TAG_APP_ID, packageInfo.applicationInfo.packageName); userAppObj.put(TAG_APP_ICON, drawableToBase64(pm.getApplicationIcon(packageInfo.applicationInfo))); appArray.put(userAppObj); break; case 2: if ((packageInfo.applicationInfo.flags & 0x1) == 0) continue; JSONObject sysAppObj = new JSONObject(); sysAppObj.put(TAG_APP_NAME, pm.getApplicationLabel(packageInfo.applicationInfo).toString()); sysAppObj.put(TAG_APP_ID, packageInfo.applicationInfo.packageName); sysAppObj.put(TAG_APP_ICON, drawableToBase64(pm.getApplicationIcon(packageInfo.applicationInfo))); appArray.put(sysAppObj); } } return appArray; } /** * ?native * * @param appId * ?? */ public void uninstallNativeApp(String appId, XCallbackContext callbackCtx) { registerInstallerReceiver(callbackCtx); uninstallPackageName = appId; Uri packageURI = Uri.parse("package:" + appId); Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI); getContext().startActivity(uninstallIntent); } private String drawableToBase64(Drawable drawable) { int width = drawable.getIntrinsicWidth(); int height = drawable.getIntrinsicHeight(); Bitmap bitmap = Bitmap.createBitmap(width, height, drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, width, height); drawable.draw(canvas); String result = null; ByteArrayOutputStream baos = null; try { if (bitmap != null) { baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); baos.flush(); baos.close(); byte[] bitmapBytes = baos.toByteArray(); result = XBase64.encodeToString(bitmapBytes, Base64.DEFAULT); } } catch (IOException e) { e.printStackTrace(); } finally { try { if (baos != null) { baos.flush(); baos.close(); } } catch (IOException e) { e.printStackTrace(); } } return result; } private void registerInstallerReceiver(final XCallbackContext callbackCtx) { if (null == mInstallerReceiver) { mInstallerReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals("android.intent.action.PACKAGE_REMOVED") && (uninstallPackageName.equals(intent.getDataString().substring(8)))) { XExtensionResult result = new XExtensionResult(XExtensionResult.Status.OK); callbackCtx.sendExtensionResult(result); } if (intent.getAction().equals("android.intent.action.PACKAGE_ADDED")) { XExtensionResult result = new XExtensionResult(XExtensionResult.Status.OK); callbackCtx.sendExtensionResult(result); } } }; IntentFilter filter = new IntentFilter(); filter.addAction(Intent.ACTION_PACKAGE_ADDED); filter.addAction(Intent.ACTION_PACKAGE_REMOVED); filter.addDataScheme("package"); getContext().registerReceiver(mInstallerReceiver, filter); } } @Override public void destroy() { getContext().unregisterReceiver(mInstallerReceiver); } }