├── .gitignore ├── CONTRIBUTING.md ├── LICENSE ├── NOTICE ├── README.md ├── ros2_listener_android ├── build.gradle ├── package.xml └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── org │ │ └── ros2 │ │ └── examples │ │ └── android │ │ └── listener │ │ ├── ListenerNode.java │ │ └── ROS2ListenerActivity.java │ └── res │ ├── drawable-hdpi │ └── ic_launcher.png │ ├── drawable-ldpi │ └── ic_launcher.png │ ├── drawable-mdpi │ └── ic_launcher.png │ ├── drawable-xhdpi │ └── ic_launcher.png │ ├── layout │ └── main.xml │ └── values │ └── strings.xml └── ros2_talker_android ├── build.gradle ├── package.xml └── src └── main ├── AndroidManifest.xml ├── java └── org │ └── ros2 │ └── examples │ └── android │ └── talker │ ├── ROS2TalkerActivity.java │ └── TalkerNode.java └── res ├── drawable-hdpi └── ic_launcher.png ├── drawable-ldpi └── ic_launcher.png ├── drawable-mdpi └── ic_launcher.png ├── drawable-xhdpi └── ic_launcher.png ├── layout └── main.xml └── values └── strings.xml /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # Intellij 36 | *.iml 37 | .idea/workspace.xml 38 | 39 | # Keystore files 40 | *.jks 41 | -------------------------------------------------------------------------------- /CONTRIBUTING.md: -------------------------------------------------------------------------------- 1 | Any contribution that you make to this repository will 2 | be under the Apache 2 License, as dictated by that 3 | [license](http://www.apache.org/licenses/LICENSE-2.0.html): 4 | 5 | ~~~ 6 | 5. 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4 | * you may not use this file except in compliance with the License. 5 | * You may obtain a copy of the License at 6 | * 7 | * http://www.apache.org/licenses/LICENSE-2.0 8 | * 9 | * Unless required by applicable law or agreed to in writing, software 10 | * distributed under the License is distributed on an "AS IS" BASIS, 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | * See the License for the specific language governing permissions and 13 | * limitations under the License. 14 | */ 15 | 16 | package org.ros2.examples.android.listener; 17 | 18 | import android.widget.TextView; 19 | 20 | import org.ros2.rcljava.node.BaseComposableNode; 21 | import org.ros2.rcljava.subscription.Subscription; 22 | 23 | public class ListenerNode extends BaseComposableNode { 24 | private final String topic; 25 | 26 | private final TextView listenerView; 27 | 28 | private Subscription subscriber; 29 | 30 | public ListenerNode(final String name, final String topic, 31 | final TextView listenerView) { 32 | super(name); 33 | this.topic = topic; 34 | this.listenerView = listenerView; 35 | this.subscriber = this.node.createSubscription( 36 | std_msgs.msg.String.class, this.topic, msg 37 | -> this.listenerView.append("Hello ROS2 from Android: " + msg.getData() + 38 | "\r\n")); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /ros2_listener_android/src/main/java/org/ros2/examples/android/listener/ROS2ListenerActivity.java: -------------------------------------------------------------------------------- 1 | /* Copyright 2016-2017 Esteve Fernandez 2 | * 3 | * Licensed under the Apache License, Version 2.0 (the "License"); 4 | * you may not use this file except in compliance with the License. 5 | * You may obtain a copy of the License at 6 | * 7 | * http://www.apache.org/licenses/LICENSE-2.0 8 | * 9 | * Unless required by applicable law or agreed to in writing, software 10 | * distributed under the License is distributed on an "AS IS" BASIS, 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | * See the License for the specific language governing permissions and 13 | * limitations under the License. 14 | */ 15 | 16 | package org.ros2.examples.android.listener; 17 | 18 | import android.os.Bundle; 19 | import android.text.method.ScrollingMovementMethod; 20 | import android.util.Log; 21 | import android.view.View; 22 | import android.view.View.OnClickListener; 23 | import android.widget.Button; 24 | import android.widget.TextView; 25 | import android.widget.Toast; 26 | 27 | import org.ros2.rcljava.RCLJava; 28 | 29 | import org.ros2.android.activity.ROSActivity; 30 | 31 | public class ROS2ListenerActivity extends ROSActivity { 32 | 33 | private static final String IS_WORKING = "isWorking"; 34 | 35 | private ListenerNode listenerNode; 36 | 37 | private TextView listenerView; 38 | 39 | private static String logtag = ROS2ListenerActivity.class.getName(); 40 | 41 | private boolean isWorking; 42 | 43 | /** Called when the activity is first created. */ 44 | @Override 45 | public final void onCreate(final Bundle savedInstanceState) { 46 | super.onCreate(savedInstanceState); 47 | setContentView(R.layout.main); 48 | 49 | if (savedInstanceState != null) { 50 | isWorking = savedInstanceState.getBoolean(IS_WORKING); 51 | } 52 | 53 | Button buttonStart = (Button)findViewById(R.id.buttonStart); 54 | buttonStart.setOnClickListener(startListener); 55 | 56 | Button buttonStop = (Button)findViewById(R.id.buttonStop); 57 | buttonStop.setOnClickListener(stopListener); 58 | 59 | listenerView = (TextView)findViewById(R.id.listenerView); 60 | listenerView.setMovementMethod(new ScrollingMovementMethod()); 61 | 62 | RCLJava.rclJavaInit(); 63 | 64 | listenerNode = 65 | new ListenerNode("android_listener_node", "chatter", listenerView); 66 | 67 | changeState(isWorking); 68 | } 69 | 70 | // Create an anonymous implementation of OnClickListener 71 | private OnClickListener startListener = new OnClickListener() { 72 | public void onClick(final View view) { 73 | Log.d(logtag, "onClick() called - start button"); 74 | Toast.makeText( 75 | ROS2ListenerActivity.this, "The Start button was clicked.", 76 | Toast.LENGTH_LONG).show(); 77 | Log.d(logtag, "onClick() ended - start button"); 78 | changeState(true); 79 | } 80 | }; 81 | 82 | // Create an anonymous implementation of OnClickListener 83 | private OnClickListener stopListener = new OnClickListener() { 84 | public void onClick(final View view) { 85 | Log.d(logtag, "onClick() called - stop button"); 86 | Toast.makeText( 87 | ROS2ListenerActivity.this, "The Stop button was clicked.", 88 | Toast.LENGTH_LONG).show(); 89 | changeState(false); 90 | Log.d(logtag, "onClick() ended - stop button"); 91 | } 92 | }; 93 | 94 | private void changeState(boolean isWorking) { 95 | this.isWorking = isWorking; 96 | Button buttonStart = (Button)findViewById(R.id.buttonStart); 97 | Button buttonStop = (Button)findViewById(R.id.buttonStop); 98 | buttonStart.setEnabled(!isWorking); 99 | buttonStop.setEnabled(isWorking); 100 | if (isWorking){ 101 | getExecutor().addNode(listenerNode); 102 | } else { 103 | getExecutor().removeNode(listenerNode); 104 | } 105 | } 106 | 107 | @Override 108 | protected void onSaveInstanceState(Bundle outState) { 109 | if (outState != null) { 110 | outState.putBoolean(IS_WORKING, isWorking); 111 | } 112 | super.onSaveInstanceState(outState); 113 | } 114 | } 115 | -------------------------------------------------------------------------------- /ros2_listener_android/src/main/res/drawable-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ros2-java/ros2_android_examples/2991504197030a1740541d781db9d84b6aa12a97/ros2_listener_android/src/main/res/drawable-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /ros2_listener_android/src/main/res/drawable-ldpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ros2-java/ros2_android_examples/2991504197030a1740541d781db9d84b6aa12a97/ros2_listener_android/src/main/res/drawable-ldpi/ic_launcher.png -------------------------------------------------------------------------------- /ros2_listener_android/src/main/res/drawable-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ros2-java/ros2_android_examples/2991504197030a1740541d781db9d84b6aa12a97/ros2_listener_android/src/main/res/drawable-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /ros2_listener_android/src/main/res/drawable-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ros2-java/ros2_android_examples/2991504197030a1740541d781db9d84b6aa12a97/ros2_listener_android/src/main/res/drawable-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /ros2_listener_android/src/main/res/layout/main.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 13 | 14 |