Java tutorial
/* The MIT License (MIT) Copyright (c) 2013 pwlin - pwlin05@gmail.com Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package io.github.pwlin.cordova.plugins.fileopener2; import java.io.File; import java.util.List; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.net.Uri; import android.os.Build; import io.github.pwlin.cordova.plugins.fileopener2.FileProvider; import org.apache.cordova.CordovaPlugin; import org.apache.cordova.CallbackContext; import org.apache.cordova.PluginResult; import org.apache.cordova.CordovaResourceApi; public class FileOpener2 extends CordovaPlugin { /** * Executes the request and returns a boolean. * * @param action * The action to execute. * @param args * JSONArry of arguments for the plugin. * @param callbackContext * The callback context used when calling back into JavaScript. * @return boolean. */ public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException { if (action.equals("open")) { this._open(args.getString(0), args.getString(1), callbackContext); } else if (action.equals("uninstall")) { this._uninstall(args.getString(0), callbackContext); } else if (action.equals("appIsInstalled")) { JSONObject successObj = new JSONObject(); if (this._appIsInstalled(args.getString(0))) { successObj.put("status", PluginResult.Status.OK.ordinal()); successObj.put("message", "Installed"); } else { successObj.put("status", PluginResult.Status.NO_RESULT.ordinal()); successObj.put("message", "Not installed"); } callbackContext.success(successObj); } else { JSONObject errorObj = new JSONObject(); errorObj.put("status", PluginResult.Status.INVALID_ACTION.ordinal()); errorObj.put("message", "Invalid action"); callbackContext.error(errorObj); } return true; } private void _open(String fileArg, String contentType, CallbackContext callbackContext) throws JSONException { String fileName = ""; try { CordovaResourceApi resourceApi = webView.getResourceApi(); Uri fileUri = resourceApi.remapUri(Uri.parse(fileArg)); fileName = this.stripFileProtocol(fileUri.toString()); } catch (Exception e) { fileName = fileArg; } File file = new File(fileName); if (file.exists()) { try { Uri path = Uri.fromFile(file); Intent intent = new Intent(Intent.ACTION_VIEW); if (Build.VERSION.SDK_INT >= 24) { Context context = cordova.getActivity().getApplicationContext(); path = FileProvider.getUriForFile(context, cordova.getActivity().getPackageName() + ".opener.provider", file); intent.setDataAndType(path, contentType); intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); //intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); List<ResolveInfo> infoList = context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); for (ResolveInfo resolveInfo : infoList) { String packageName = resolveInfo.activityInfo.packageName; context.grantUriPermission(packageName, path, Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION); } } else { intent.setDataAndType(path, contentType); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); } /* * @see * http://stackoverflow.com/questions/14321376/open-an-activity-from-a-cordovaplugin */ cordova.getActivity().startActivity(intent); //cordova.getActivity().startActivity(Intent.createChooser(intent,"Open File in...")); callbackContext.success(); } catch (android.content.ActivityNotFoundException e) { JSONObject errorObj = new JSONObject(); errorObj.put("status", PluginResult.Status.ERROR.ordinal()); errorObj.put("message", "Activity not found: " + e.getMessage()); callbackContext.error(errorObj); } } else { JSONObject errorObj = new JSONObject(); errorObj.put("status", PluginResult.Status.ERROR.ordinal()); errorObj.put("message", "File not found"); callbackContext.error(errorObj); } } private void _uninstall(String packageId, CallbackContext callbackContext) throws JSONException { if (this._appIsInstalled(packageId)) { Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); intent.setData(Uri.parse("package:" + packageId)); cordova.getActivity().startActivity(intent); callbackContext.success(); } else { JSONObject errorObj = new JSONObject(); errorObj.put("status", PluginResult.Status.ERROR.ordinal()); errorObj.put("message", "This package is not installed"); callbackContext.error(errorObj); } } private boolean _appIsInstalled(String packageId) { PackageManager pm = cordova.getActivity().getPackageManager(); boolean appInstalled = false; try { pm.getPackageInfo(packageId, PackageManager.GET_ACTIVITIES); appInstalled = true; } catch (PackageManager.NameNotFoundException e) { appInstalled = false; } return appInstalled; } private String stripFileProtocol(String uriString) { if (uriString.startsWith("file://")) { uriString = uriString.substring(7); } return uriString; } }