Repository: cketti/EmailIntentBuilder Branch: master Commit: 137148deee5e Files: 27 Total size: 55.3 KB Directory structure: gitextract_qxd252kg/ ├── .github/ │ ├── FUNDING.yml │ └── workflows/ │ └── android.yml ├── .gitignore ├── LICENSE ├── README.md ├── android-mvn-push.gradle ├── build.gradle ├── gradle/ │ └── wrapper/ │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradle.properties ├── gradlew ├── gradlew.bat ├── library/ │ ├── .gitignore │ ├── build.gradle │ └── src/ │ ├── main/ │ │ ├── AndroidManifest.xml │ │ └── java/ │ │ └── de/ │ │ └── cketti/ │ │ └── mailto/ │ │ └── EmailIntentBuilder.java │ └── test/ │ └── java/ │ └── de/ │ └── cketti/ │ └── mailto/ │ └── EmailIntentBuilderTest.java ├── sample/ │ ├── .gitignore │ ├── build.gradle │ └── src/ │ └── main/ │ ├── AndroidManifest.xml │ ├── java/ │ │ └── de/ │ │ └── cketti/ │ │ └── mailto/ │ │ └── sample/ │ │ └── MainActivity.java │ └── res/ │ ├── layout/ │ │ └── activity_main.xml │ ├── menu/ │ │ └── activity_main.xml │ └── values/ │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml └── settings.gradle ================================================ FILE CONTENTS ================================================ ================================================ FILE: .github/FUNDING.yml ================================================ github: cketti ================================================ FILE: .github/workflows/android.yml ================================================ name: Android CI on: [push] jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v1 - name: set up JDK 1.8 uses: actions/setup-java@v1 with: java-version: 1.8 - name: Build with Gradle run: ./gradlew build ================================================ FILE: .gitignore ================================================ .gradle /local.properties /.idea/ .DS_Store /build *.iml ================================================ FILE: LICENSE ================================================ Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. ================================================ FILE: README.md ================================================ # Email Intent Builder [![Maven Central](https://maven-badges.herokuapp.com/maven-central/de.cketti.mailto/email-intent-builder/badge.svg)](https://maven-badges.herokuapp.com/maven-central/de.cketti.mailto/email-intent-builder) An Android Library for the creation of [SendTo](https://developer.android.com/reference/android/content/Intent.html#ACTION_SENDTO) Intents with [mailto:](https://tools.ietf.org/html/rfc6068) URI Read the article [Android: Sending Email using Intents](https://medium.com/@cketti/android-sending-email-using-intents-3da63662c58f) if you want to learn what motivated the creation of this library. ## Include the library Add this to your `dependencies` block in `build.gradle`: ```groovy implementation 'de.cketti.mailto:email-intent-builder:2.0.0' ``` ## Usage Creating a simple email intent is as easy as this: ```java Intent emailIntent = EmailIntentBuilder.from(activity) .to("alice@example.org") .subject("Feedback") .build(); ``` This will build an intent with the action `android.intent.action.SENDTO` and the data `mailto:alice@example.org?subject=Feedback`. You can also use `EmailIntentBuilder` to add a couple of other fields and directly launch the intent: ```java EmailIntentBuilder.from(activity) .to("alice@example.org") .cc("bob@example.org") .bcc("charles@example.org") .subject("Message from an app") .body("Some text here") .start(); ``` ## Changelog **Version 2.0.0 (2019-11-26)** - Use `org.jetbrains:annotations` for nullability annotations - No functional changes **Version 1.0.0 (2015-12-19)** - Initial release ## License Copyright 2015-2019 cketti 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. ================================================ FILE: android-mvn-push.gradle ================================================ if (!(hasProperty("nexusUsername") && hasProperty("nexusPassword"))) { return } apply plugin: 'maven' apply plugin: 'signing' afterEvaluate { project -> project.version = android.defaultConfig.versionName project.group = project.pom.group uploadArchives { repositories { mavenDeployer { beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) } pom.artifactId = project.pom.artifactId repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") { authentication(userName: nexusUsername, password: nexusPassword) } snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots") { authentication(userName: nexusUsername, password: nexusPassword) } pom.project { name project.pom.name packaging 'aar' description project.pom.description url project.pom.url scm { url project.pom.scmUrl connection project.pom.scmConnection developerConnection project.pom.scmDevConnection } licenses { license { name project.pom.licenseName url project.pom.licenseUrl distribution project.pom.licenseDist } } developers { developer { id project.pom.developerId name project.pom.developerName } } } } } } signing { required { gradle.taskGraph.hasTask("uploadArchives") } sign configurations.archives } task androidJavadocs(type: Javadoc) { source = android.sourceSets.main.java.srcDirs classpath += project.files(android.getBootClasspath().join(File.pathSeparator)) options { linksOffline "http://d.android.com/reference", "${android.sdkDirectory}/docs/reference" } } task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) { classifier = 'javadoc' from androidJavadocs.destinationDir } task androidSourcesJar(type: Jar) { classifier = 'sources' from android.sourceSets.main.java.srcDirs } artifacts { archives androidSourcesJar archives androidJavadocsJar } } ================================================ FILE: build.gradle ================================================ buildscript { repositories { mavenCentral() google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.5.2' } } allprojects { repositories { mavenCentral() google() jcenter() } } ================================================ FILE: gradle/wrapper/gradle-wrapper.properties ================================================ distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-all.zip zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists ================================================ FILE: gradle.properties ================================================ # Project-wide Gradle settings. # IDE (e.g. Android Studio) users: # Gradle settings configured through the IDE *will override* # any settings specified in this file. # For more details on how to configure your build environment visit # http://www.gradle.org/docs/current/userguide/build_environment.html # Specifies the JVM arguments used for the daemon process. # The setting is particularly useful for tweaking memory settings. # Default value: -Xmx10248m -XX:MaxPermSize=256m # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 # When configured, Gradle will run in incubating parallel mode. # This option should only be used with decoupled projects. More details, visit # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects # org.gradle.parallel=true android.enableJetifier=true android.useAndroidX=true ================================================ FILE: gradlew ================================================ #!/usr/bin/env sh # # Copyright 2015 the original author or authors. # # 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 # # https://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. # ############################################################################## ## ## Gradle start up script for UN*X ## ############################################################################## # Attempt to set APP_HOME # Resolve links: $0 may be a link PRG="$0" # Need this for relative symlinks. while [ -h "$PRG" ] ; do ls=`ls -ld "$PRG"` link=`expr "$ls" : '.*-> \(.*\)$'` if expr "$link" : '/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`"/$link" fi done SAVED="`pwd`" cd "`dirname \"$PRG\"`/" >/dev/null APP_HOME="`pwd -P`" cd "$SAVED" >/dev/null APP_NAME="Gradle" APP_BASE_NAME=`basename "$0"` # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' # Use the maximum available, or set MAX_FD != -1 to use that value. MAX_FD="maximum" warn () { echo "$*" } die () { echo echo "$*" echo exit 1 } # OS specific support (must be 'true' or 'false'). cygwin=false msys=false darwin=false nonstop=false case "`uname`" in CYGWIN* ) cygwin=true ;; Darwin* ) darwin=true ;; MINGW* ) msys=true ;; NONSTOP* ) nonstop=true ;; esac CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar # Determine the Java command to use to start the JVM. if [ -n "$JAVA_HOME" ] ; then if [ -x "$JAVA_HOME/jre/sh/java" ] ; then # IBM's JDK on AIX uses strange locations for the executables JAVACMD="$JAVA_HOME/jre/sh/java" else JAVACMD="$JAVA_HOME/bin/java" fi if [ ! -x "$JAVACMD" ] ; then die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi else JAVACMD="java" which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. Please set the JAVA_HOME variable in your environment to match the location of your Java installation." fi # Increase the maximum file descriptors if we can. if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then MAX_FD_LIMIT=`ulimit -H -n` if [ $? -eq 0 ] ; then if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then MAX_FD="$MAX_FD_LIMIT" fi ulimit -n $MAX_FD if [ $? -ne 0 ] ; then warn "Could not set maximum file descriptor limit: $MAX_FD" fi else warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" fi fi # For Darwin, add options to specify how the application appears in the dock if $darwin; then GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" fi # For Cygwin or MSYS, switch paths to Windows format before running java if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then APP_HOME=`cygpath --path --mixed "$APP_HOME"` CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` JAVACMD=`cygpath --unix "$JAVACMD"` # We build the pattern for arguments to be converted via cygpath ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` SEP="" for dir in $ROOTDIRSRAW ; do ROOTDIRS="$ROOTDIRS$SEP$dir" SEP="|" done OURCYGPATTERN="(^($ROOTDIRS))" # Add a user-defined pattern to the cygpath arguments if [ "$GRADLE_CYGPATTERN" != "" ] ; then OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" fi # Now convert the arguments - kludge to limit ourselves to /bin/sh i=0 for arg in "$@" ; do CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` else eval `echo args$i`="\"$arg\"" fi i=`expr $i + 1` done case $i in 0) set -- ;; 1) set -- "$args0" ;; 2) set -- "$args0" "$args1" ;; 3) set -- "$args0" "$args1" "$args2" ;; 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; esac fi # Escape application args save () { for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done echo " " } APP_ARGS=`save "$@"` # Collect all arguments for the java command, following the shell quoting and substitution rules eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" exec "$JAVACMD" "$@" ================================================ FILE: gradlew.bat ================================================ @rem @rem Copyright 2015 the original author or authors. @rem @rem Licensed under the Apache License, Version 2.0 (the "License"); @rem you may not use this file except in compliance with the License. @rem You may obtain a copy of the License at @rem @rem https://www.apache.org/licenses/LICENSE-2.0 @rem @rem Unless required by applicable law or agreed to in writing, software @rem distributed under the License is distributed on an "AS IS" BASIS, @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @rem See the License for the specific language governing permissions and @rem limitations under the License. @rem @if "%DEBUG%" == "" @echo off @rem ########################################################################## @rem @rem Gradle startup script for Windows @rem @rem ########################################################################## @rem Set local scope for the variables with windows NT shell if "%OS%"=="Windows_NT" setlocal set DIRNAME=%~dp0 if "%DIRNAME%" == "" set DIRNAME=. set APP_BASE_NAME=%~n0 set APP_HOME=%DIRNAME% @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" @rem Find java.exe if defined JAVA_HOME goto findJavaFromJavaHome set JAVA_EXE=java.exe %JAVA_EXE% -version >NUL 2>&1 if "%ERRORLEVEL%" == "0" goto init echo. echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :findJavaFromJavaHome set JAVA_HOME=%JAVA_HOME:"=% set JAVA_EXE=%JAVA_HOME%/bin/java.exe if exist "%JAVA_EXE%" goto init echo. echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% echo. echo Please set the JAVA_HOME variable in your environment to match the echo location of your Java installation. goto fail :init @rem Get command-line arguments, handling Windows variants if not "%OS%" == "Windows_NT" goto win9xME_args :win9xME_args @rem Slurp the command line arguments. set CMD_LINE_ARGS= set _SKIP=2 :win9xME_args_slurp if "x%~1" == "x" goto execute set CMD_LINE_ARGS=%* :execute @rem Setup the command line set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar @rem Execute Gradle "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% :end @rem End local scope for the variables with windows NT shell if "%ERRORLEVEL%"=="0" goto mainEnd :fail rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of rem the _cmd.exe /c_ return code! if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 exit /b 1 :mainEnd if "%OS%"=="Windows_NT" endlocal :omega ================================================ FILE: library/.gitignore ================================================ /build ================================================ FILE: library/build.gradle ================================================ apply plugin: 'com.android.library' android { compileSdkVersion 28 buildToolsVersion "28.0.3" defaultConfig { versionName "2.0.0" minSdkVersion 14 } } dependencies { api 'org.jetbrains:annotations:18.0.0' testImplementation 'junit:junit:4.12' testImplementation 'org.mockito:mockito-core:2.21.0' testImplementation 'org.robolectric:robolectric:4.3.1' testImplementation 'com.squareup.assertj:assertj-android:1.2.0' } project.ext { pom = [ group: "de.cketti.mailto", artifactId: "email-intent-builder", name: "Email Intent Builder", description: "An Android Library for creation of SendTo Intents with mailto: URI", url: "https://github.com/cketti/EmailIntentBuilder", scmUrl: "https://github.com/cketti/EmailIntentBuilder", scmConnection: "scm:git@github.com:cketti/EmailIntentBuilder.git", scmDevConnection: "scm:git@github.com:cketti/EmailIntentBuilder.git", licenseName: "The Apache Software License, Version 2.0", licenseUrl: "http://www.apache.org/licenses/LICENSE-2.0.txt", licenseDist: "repo", developerId: "cketti", developerName: "cketti" ] } apply from: '../android-mvn-push.gradle' ================================================ FILE: library/src/main/AndroidManifest.xml ================================================ ================================================ FILE: library/src/main/java/de/cketti/mailto/EmailIntentBuilder.java ================================================ /* * Copyright 2015-2019 cketti * * 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. */ package de.cketti.mailto; import java.util.Collection; import java.util.LinkedHashSet; import java.util.Set; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.util.Patterns; import org.jetbrains.annotations.NotNull; /** * A helper to create email intents, i.e. {@link Intent#ACTION_SENDTO} with a {@code mailto:} URI. * *

Example usage:

* 
 * 
 * EmailIntentBuilder.from(activity)
 *         .to("alice@example.org")
 *         .subject("Bug report for 'My awesome app'")
 *         .body("Something went wrong :(")
 *         .start();
 * 
 *
*

This creates an intent containing the following {@code mailto:} URI:

* 
 * 
 * mailto:alice@example.org?subject=Bug%20report%20for%20'My%20awesome%20app'&body=Something%20went%20wrong%20%3A(
 * 
 *
* * @see #from(Context) */ @SuppressWarnings("WeakerAccess") public final class EmailIntentBuilder { private final Context context; private final Set to = new LinkedHashSet<>(); private final Set cc = new LinkedHashSet<>(); private final Set bcc = new LinkedHashSet<>(); private String subject; private String body; private EmailIntentBuilder(@NotNull Context context) { this.context = checkNotNull(context); } /** * Create a builder to create an {@link Intent#ACTION_SENDTO} intent or to launch that intent. * * @param context * The {@code Context} that will be used to launch the intent * * @return An email intent builder */ @NotNull public static EmailIntentBuilder from(@NotNull Context context) { return new EmailIntentBuilder(context); } /** * Add an email address to be used in the "to" field. * * @param to * the email address to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder to(@NotNull String to) { checkEmail(to); this.to.add(to); return this; } /** * Add a list of email addresses to be used in the "to" field. * * @param to * the email addresses to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder to(@NotNull Collection to) { checkNotNull(to); for (String email : to) { checkEmail(email); } this.to.addAll(to); return this; } /** * Add an email address to be used in the "cc" field. * * @param cc * the email address to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder cc(@NotNull String cc) { checkEmail(cc); this.cc.add(cc); return this; } /** * Add an email address to be used in the "cc" field. * * @param cc * the email addresses to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder cc(@NotNull Collection cc) { checkNotNull(cc); for (String email : cc) { checkEmail(email); } this.cc.addAll(cc); return this; } /** * Add an email address to be used in the "bcc" field. * * @param bcc * the email address to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder bcc(@NotNull String bcc) { checkEmail(bcc); this.bcc.add(bcc); return this; } /** * Add an email address to be used in the "bcc" field. * * @param bcc * the email addresses to add * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder bcc(@NotNull Collection bcc) { checkNotNull(bcc); for (String email : bcc) { checkEmail(email); } this.bcc.addAll(bcc); return this; } /** * Set the subject line for this email intent. * * @param subject * the email subject line * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder subject(@NotNull String subject) { checkNotNull(subject); checkNoLineBreaks(subject); this.subject = subject; return this; } /** * Set the text body for this email intent. * * @param body * the text body * * @return This {@code EmailIntentBuilder} for method chaining */ @NotNull public EmailIntentBuilder body(@NotNull String body) { checkNotNull(body); this.body = fixLineBreaks(body); return this; } /** * Launch the email intent. * * @return {@code false} if no activity to handle the email intent could be found; {@code true} otherwise */ public boolean start() { Intent emailIntent = build(); try { startActivity(emailIntent); } catch (ActivityNotFoundException e) { return false; } return true; } private void startActivity(Intent intent) { if (!(context instanceof Activity)) { intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); } context.startActivity(intent); } /** * Build the {@link Intent#ACTION_SENDTO} intent. * * @return the intent containing the provided information */ @NotNull public Intent build() { Uri mailtoUri = constructMailtoUri(); return new Intent(Intent.ACTION_SENDTO, mailtoUri); } @NotNull private Uri constructMailtoUri() { StringBuilder mailto = new StringBuilder(1024); mailto.append("mailto:"); addRecipients(mailto, to); boolean hasQueryParameters; hasQueryParameters = addRecipientQueryParameters(mailto, "cc", cc, false); hasQueryParameters = addRecipientQueryParameters(mailto, "bcc", bcc, hasQueryParameters); hasQueryParameters = addQueryParameter(mailto, "subject", subject, hasQueryParameters); addQueryParameter(mailto, "body", body, hasQueryParameters); return Uri.parse(mailto.toString()); } private boolean addQueryParameter(StringBuilder mailto, String field, String value, boolean hasQueryParameters) { if (value == null) { return hasQueryParameters; } mailto.append(hasQueryParameters ? '&' : '?').append(field).append('=').append(Uri.encode(value)); return true; } private boolean addRecipientQueryParameters(StringBuilder mailto, String field, Set recipients, boolean hasQueryParameters) { if (recipients.isEmpty()) { return hasQueryParameters; } mailto.append(hasQueryParameters ? '&' : '?').append(field).append('='); addRecipients(mailto, recipients); return true; } private void addRecipients(StringBuilder mailto, Set recipients) { if (recipients.isEmpty()) { return; } for (String recipient : recipients) { mailto.append(encodeRecipient(recipient)); mailto.append(','); } mailto.setLength(mailto.length() - 1); } private void checkEmail(String email) { checkNotNull(email); if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) { throw new IllegalArgumentException("Argument is not a valid email address (according to " + "Patterns.EMAIL_ADDRESS)"); } } private void checkNoLineBreaks(String text) { boolean containsCarriageReturn = text.indexOf('\r') != -1; boolean containsLineFeed = text.indexOf('\n') != -1; if (containsCarriageReturn || containsLineFeed) { throw new IllegalArgumentException("Argument must not contain line breaks"); } } @NotNull private static T checkNotNull(T object) { if (object == null) { throw new IllegalArgumentException("Argument must not be null"); } return object; } @NotNull static String encodeRecipient(String recipient) { int index = recipient.lastIndexOf('@'); String localPart = recipient.substring(0, index); String host = recipient.substring(index + 1); return Uri.encode(localPart) + "@" + Uri.encode(host); } @NotNull static String fixLineBreaks(String text) { return text.replaceAll("\r\n", "\n").replace('\r', '\n').replaceAll("\n", "\r\n"); } } ================================================ FILE: library/src/test/java/de/cketti/mailto/EmailIntentBuilderTest.java ================================================ package de.cketti.mailto; import java.util.Arrays; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.Intent; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.ArgumentCaptor; import org.mockito.Mock; import org.mockito.MockitoAnnotations; import org.robolectric.RobolectricTestRunner; import org.robolectric.annotation.Config; import static org.assertj.android.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThat; import static org.mockito.Matchers.any; import static org.mockito.Mockito.doThrow; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.verify; @RunWith(RobolectricTestRunner.class) @Config(sdk = 28) public class EmailIntentBuilderTest { @Mock private Context context; @Before public void setUp() { MockitoAnnotations.initMocks(this); } @SuppressWarnings("ConstantConditions") @Test(expected = IllegalArgumentException.class) public void from_withNullArgument_shouldThrow() { EmailIntentBuilder.from(null); } @Test public void build_shouldReturnIntentWithSendToAction() { Intent intent = EmailIntentBuilder.from(context).build(); assertThat(intent).hasAction(Intent.ACTION_SENDTO); } @Test public void build_withSingleToValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .to("john@example.org") .build(); assertThat(intent).hasData("mailto:john@example.org"); } @Test public void build_withListToValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .to(Arrays.asList("bob@example.org", "alice@example.org")) .build(); assertThat(intent).hasData("mailto:bob@example.org,alice@example.org"); } @Test public void build_withSingleCcValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .cc("john@example.org") .build(); assertThat(intent).hasData("mailto:?cc=john@example.org"); } @Test public void build_withListCcValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .cc(Arrays.asList("bob@example.org", "alice@example.org")) .build(); assertThat(intent).hasData("mailto:?cc=bob@example.org,alice@example.org"); } @Test public void build_withSingleBccValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .bcc("john@example.org") .build(); assertThat(intent).hasData("mailto:?bcc=john@example.org"); } @Test public void build_withListBccValue_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .bcc(Arrays.asList("alice@example.org", "bob@example.org")) .build(); assertThat(intent).hasData("mailto:?bcc=alice@example.org,bob@example.org"); } @Test public void build_withSubject_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .subject("hi there") .build(); assertThat(intent).hasData("mailto:?subject=hi%20there"); } @Test public void build_withBodyContainingImproperLineBreak_shouldReturnFixedResult() { Intent intent = EmailIntentBuilder.from(context) .body("this is\na test") .build(); assertThat(intent).hasData("mailto:?body=this%20is%0D%0Aa%20test"); } @Test public void build_withAllExtras_shouldReturnExpectedResult() { Intent intent = EmailIntentBuilder.from(context) .to(Arrays.asList("leia@example.org", "luke@example.org")) .cc("obi.wan@example.org") .cc("han@example.org") .bcc("chewbacca@example.org") .subject("rebel stuff") .body("start execution of secret plan & good luck") .build(); assertThat(intent).hasData("mailto:" + "leia@example.org,luke@example.org" + "?cc=obi.wan@example.org,han@example.org" + "&bcc=chewbacca@example.org" + "&subject=rebel%20stuff" + "&body=start%20execution%20of%20secret%20plan%20%26%20good%20luck"); } @Test public void start_fromActivity_shouldCreateIntentWithoutNewTaskFlag() { Activity activity = mock(Activity.class); EmailIntentBuilder.from(activity) .to("john@example.org") .start(); Intent intent = getIntentFromStartActivityInvocation(activity); assertThat(intent).hasFlags(0); } @Test public void start_fromContext_shouldCreateIntentWithNewTaskFlag() { EmailIntentBuilder.from(context) .to("john@example.org") .start(); Intent intent = getIntentFromStartActivityInvocation(context); assertThat(intent).hasFlags(Intent.FLAG_ACTIVITY_NEW_TASK); } @Test public void start_withoutError_shouldReturnTrue() { boolean success = EmailIntentBuilder.from(context).start(); assertThat(success).isTrue(); } @Test public void start_withActivityNotFoundException_shouldReturnFalse() { doThrow(new ActivityNotFoundException()).when(context).startActivity(any(Intent.class)); boolean success = EmailIntentBuilder.from(context).start(); assertThat(success).isFalse(); } @Test public void encodeRecipient_withComplicatedEmailOne_shouldReturnExpectedResult() { String encoded = EmailIntentBuilder.encodeRecipient("\"not@me\"@example.org"); assertThat(encoded).isEqualTo("%22not%40me%22@example.org"); } @Test public void encodeRecipient_withComplicatedEmailTwo_shouldReturnExpectedResult() { String encoded = EmailIntentBuilder.encodeRecipient("\"oh\\\\no\"@example.org"); assertThat(encoded).isEqualTo("%22oh%5C%5Cno%22@example.org"); } @Test public void encodeRecipient_withComplicatedEmailThree_shouldReturnExpectedResult() { String encoded = EmailIntentBuilder.encodeRecipient("\"\\\\\\\"it's\\ ugly\\\\\\\"\"@example.org"); assertThat(encoded).isEqualTo("%22%5C%5C%5C%22it's%5C%20ugly%5C%5C%5C%22%22@example.org"); } @SuppressWarnings("ConstantConditions") @Test(expected = IllegalArgumentException.class) public void to_withNullArgument_shouldThrow() { EmailIntentBuilder.from(context) .to((String) null); } @Test(expected = IllegalArgumentException.class) public void to_withArgumentStartingWithAt_shouldThrow() { EmailIntentBuilder.from(context) .to("@example.org"); } @Test(expected = IllegalArgumentException.class) public void to_withArgumentEndingInAt_shouldThrow() { EmailIntentBuilder.from(context) .to("hi@"); } @Test(expected = IllegalArgumentException.class) public void to_withArgumentNotContainingAt_shouldThrow() { EmailIntentBuilder.from(context) .to("bob(at)example.org"); } @SuppressWarnings("ConstantConditions") @Test(expected = IllegalArgumentException.class) public void subject_withNullArgument_shouldThrow() { EmailIntentBuilder.from(context) .subject(null); } @Test(expected = IllegalArgumentException.class) public void subject_withArgumentContainingCarriageReturn_shouldThrow() { EmailIntentBuilder.from(context) .subject("This is an important\rsubject"); } @Test(expected = IllegalArgumentException.class) public void subject_withArgumentContainingLineFeed_shouldThrow() { EmailIntentBuilder.from(context) .subject("Keep\nreading"); } @Test(expected = IllegalArgumentException.class) public void subject_withArgumentContainingCrLf_shouldThrow() { EmailIntentBuilder.from(context) .subject("One\r\nTwo"); } @Test public void fixLineBreaks_withArgumentContainingCr_shouldReturnExpectedResult() { String result = EmailIntentBuilder.fixLineBreaks("\r2nd"); assertThat(result).isEqualTo("\r\n2nd"); } @Test public void fixLineBreaks_withArgumentContainingLf_shouldReturnExpectedResult() { String result = EmailIntentBuilder.fixLineBreaks("hi\nthere"); assertThat(result).isEqualTo("hi\r\nthere"); } @Test public void fixLineBreaks_withArgumentContainingCrLf_shouldReturnExpectedResult() { String result = EmailIntentBuilder.fixLineBreaks("line one\r\nline two"); assertThat(result).isEqualTo("line one\r\nline two"); } private Intent getIntentFromStartActivityInvocation(Context context) { ArgumentCaptor argumentCaptor = ArgumentCaptor.forClass(Intent.class); verify(context).startActivity(argumentCaptor.capture()); return argumentCaptor.getValue(); } } ================================================ FILE: sample/.gitignore ================================================ /build ================================================ FILE: sample/build.gradle ================================================ apply plugin: 'com.android.application' android { compileSdkVersion 28 buildToolsVersion "28.0.3" defaultConfig { applicationId "de.cketti.mailto.sample" minSdkVersion 16 targetSdkVersion 28 versionCode 1 versionName "1.0" } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } } dependencies { implementation project(':library') implementation 'androidx.appcompat:appcompat:1.1.0' implementation 'com.google.android.material:material:1.0.0' } ================================================ FILE: sample/src/main/AndroidManifest.xml ================================================ ================================================ FILE: sample/src/main/java/de/cketti/mailto/sample/MainActivity.java ================================================ package de.cketti.mailto.sample; import android.os.Bundle; import android.text.TextUtils; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.EditText; import androidx.appcompat.app.AppCompatActivity; import com.google.android.material.snackbar.Snackbar; import de.cketti.mailto.EmailIntentBuilder; public class MainActivity extends AppCompatActivity { private View mainContent; private EditText emailTo; private EditText emailCc; private EditText emailBcc; private EditText emailSubject; private EditText emailBody; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mainContent = findViewById(R.id.main_content); emailTo = findViewById(R.id.email_to); emailCc = findViewById(R.id.email_cc); emailBcc = findViewById(R.id.email_bcc); emailSubject = findViewById(R.id.email_subject); emailBody = findViewById(R.id.email_body); findViewById(R.id.button_send_email).setOnClickListener(v -> sendEmail()); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == R.id.menu_feedback) { sendFeedback(); } return true; } private void sendFeedback() { boolean success = EmailIntentBuilder.from(this) .to("cketti@gmail.com") .subject(getString(R.string.feedback_subject)) .body(getString(R.string.feedback_body)) .start(); if (!success) { Snackbar.make(mainContent, R.string.error_no_email_app, Snackbar.LENGTH_LONG).show(); } } void sendEmail() { String to = emailTo.getText().toString(); String cc = emailCc.getText().toString(); String bcc = emailBcc.getText().toString(); String subject = emailSubject.getText().toString(); String body = emailBody.getText().toString(); EmailIntentBuilder builder = EmailIntentBuilder.from(this); try { if (!TextUtils.isEmpty(to)) { builder.to(to); } if (!TextUtils.isEmpty(cc)) { builder.cc(cc); } if (!TextUtils.isEmpty(bcc)) { builder.bcc(bcc); } if (!TextUtils.isEmpty(subject)) { builder.subject(subject); } if (!TextUtils.isEmpty(body)) { builder.body(body); } boolean success = builder.start(); if (!success) { Snackbar.make(mainContent, R.string.error_no_email_app, Snackbar.LENGTH_LONG).show(); } } catch (IllegalArgumentException e) { String errorMessage = getString(R.string.argument_error, e.getMessage()); Snackbar.make(mainContent, errorMessage, Snackbar.LENGTH_LONG).show(); } } } ================================================ FILE: sample/src/main/res/layout/activity_main.xml ================================================