Add speech recognition feature and mockup UI

.idea/misc.xml

@@ -29,7 +29,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/AndroidManifest.xml

@@ -2,6 +2,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.se.catornot2">
 
+    <!-- Permission for speech recognizer -->
+    <uses-permission
+        android:name="android.permission.INTERNET"/>
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission
+        android:name="android.permission.RECORD_AUDIO" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -9,6 +17,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/example/se/catornot2/MainActivity.java

@@ -1,13 +1,56 @@
 package com.example.se.catornot2;
 
+import android.content.Intent;
+import android.speech.RecognizerIntent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.view.View;
+
+import java.util.List;
 
 public class MainActivity extends AppCompatActivity {
 
+    private static final int SPEECH_REQUEST_CODE = 0;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
     }
+
+    // Fires, when speechButton is clicked
+    public void handleSpeechButtonClick(View target) {
+        displaySpeechRecognizer();
+    }
+
+    // Create an intent that can start the Speech Recognizer activity
+    private void displaySpeechRecognizer() {
+        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
+        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
+                "en-US");
+        // Start the activity, the intent will be populated with the speech text
+        startActivityForResult(intent, SPEECH_REQUEST_CODE);
+    }
+
+    // This callback is invoked when the Speech Recognizer returns.
+    // This is where you process the intent and extract the speech text from the intent.
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode,
+                                    Intent data) {
+        if (requestCode == SPEECH_REQUEST_CODE && resultCode == RESULT_OK) {
+            List<String> results = data.getStringArrayListExtra(
+                    RecognizerIntent.EXTRA_RESULTS);
+            String spokenText = results.get(0);
+            processVoiceCommand(spokenText);
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
+    private void processVoiceCommand(String spokenText) {
+        if (spokenText.equals("take photo") || spokenText.equals("photo")) {
+            // sound of taking photo
+            // say the result
+            System.out.println("Good!");
+        }
+    }
 }

app/src/main/res/layout/activity_main.xml

@@ -6,13 +6,12 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
+    <Button
+        android:id="@+id/speechButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
+        android:onClick="handleSpeechButtonClick"
+        android:text="@string/speech_button"
+        tools:layout_editor_absoluteX="147dp"
+        tools:layout_editor_absoluteY="230dp" />
 </android.support.constraint.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">Cat or Not 2</string>
+    <string name="speech_button">Click me!</string>
 </resources>