Java tutorial
//package com.java2s; /* * Copyright 2015 OpenMarket Ltd * * 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. */ import android.app.Activity; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.util.Log; import java.util.List; public class Main { private static final String LOG_TAG = "AdapterUtils"; /** Launch an email intent if the device is capable. * * @param activity The parent activity (for context) * @param addr The address to email (not the full URI) * @param text The email body */ public static void launchEmailIntent(final Activity activity, String addr, String text) { Log.i(LOG_TAG, "Launch email intent from " + activity.getLocalClassName()); // create email intent Intent emailIntent = new Intent(Intent.ACTION_SEND); emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { addr }); emailIntent.setType("text/plain"); // make sure there is an activity which can handle the intent. PackageManager emailpackageManager = activity.getPackageManager(); List<ResolveInfo> emailresolveInfos = emailpackageManager.queryIntentActivities(emailIntent, 0); if (emailresolveInfos.size() > 0) { activity.startActivity(emailIntent); } } }