MP1_CalebFontenot

Book Files/20_MVVM/BeatBox/app/src/androidTest/java/com/bignerdranch/android/beatbox/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.bignerdranch.android.beatbox;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.bignerdranch.android.beatbox", appContext.getPackageName());
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/AndroidManifest.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.bignerdranch.android.beatbox">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".BeatBoxActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/BeatBox.java

@@ -0,0 +1,44 @@
+package com.bignerdranch.android.beatbox;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.util.Log;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BeatBox {
+    private static final String TAG = "BeatBox";
+
+    private static final String SOUNDS_FOLDER = "sample_sounds";
+
+    private AssetManager mAssets;
+    private List<Sound> mSounds = new ArrayList<>();
+
+    public BeatBox(Context context) {
+        mAssets = context.getAssets();
+        loadSounds();
+    }
+
+    private void loadSounds() {
+        String[] soundNames;
+        try {
+            soundNames = mAssets.list(SOUNDS_FOLDER);
+            Log.i(TAG, "Found " + soundNames.length + " sounds");
+        } catch (IOException ioe) {
+            Log.e(TAG, "Could not list assets", ioe);
+            return;
+        }
+
+        for (String filename : soundNames) {
+            String assetPath = SOUNDS_FOLDER + "/" + filename;
+            Sound sound = new Sound(assetPath);
+            mSounds.add(sound);
+        }
+    }
+
+    public List<Sound> getSounds() {
+        return mSounds;
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/BeatBoxActivity.java

@@ -0,0 +1,12 @@
+package com.bignerdranch.android.beatbox;
+
+import android.support.v4.app.Fragment;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class BeatBoxActivity extends SingleFragmentActivity {
+    @Override
+    protected Fragment createFragment() {
+        return BeatBoxFragment.newInstance();
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/BeatBoxFragment.java

@@ -0,0 +1,87 @@
+package com.bignerdranch.android.beatbox;
+
+import android.databinding.DataBindingUtil;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v7.widget.GridLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.bignerdranch.android.beatbox.databinding.FragmentBeatBoxBinding;
+import com.bignerdranch.android.beatbox.databinding.ListItemSoundBinding;
+
+import java.util.List;
+
+
+public class BeatBoxFragment extends Fragment {
+
+    private BeatBox mBeatBox;
+
+    public static BeatBoxFragment newInstance() {
+        return new BeatBoxFragment();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        FragmentBeatBoxBinding binding = DataBindingUtil
+                .inflate(inflater, R.layout.fragment_beat_box, container, false);
+
+        binding.recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 3));
+        binding.recyclerView.setAdapter(new SoundAdapter(mBeatBox.getSounds()));
+
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mBeatBox = new BeatBox(getActivity());
+    }
+
+    private class SoundHolder extends RecyclerView.ViewHolder {
+        private ListItemSoundBinding mBinding;
+
+        private SoundHolder(ListItemSoundBinding binding) {
+            super(binding.getRoot());
+            mBinding = binding;
+            mBinding.setViewModel(new SoundViewModel(mBeatBox));
+        }
+
+        public void bind(Sound sound) {
+            mBinding.getViewModel().setSound(sound);
+            mBinding.executePendingBindings();
+        }
+    }
+
+    private class SoundAdapter extends RecyclerView.Adapter<SoundHolder> {
+        private List<Sound> mSounds;
+
+        public SoundAdapter(List<Sound> sounds) {
+            mSounds = sounds;
+        }
+
+        @Override
+        public SoundHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            LayoutInflater inflater = LayoutInflater.from(getActivity());
+            ListItemSoundBinding binding = DataBindingUtil
+                    .inflate(inflater, R.layout.list_item_sound, parent, false);
+            return new SoundHolder(binding);
+        }
+
+        @Override
+        public void onBindViewHolder(SoundHolder holder, int position) {
+            Sound sound = mSounds.get(position);
+            holder.bind(sound);
+        }
+
+        @Override
+        public int getItemCount() {
+            return mSounds.size();
+        }
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/SingleFragmentActivity.java

@@ -0,0 +1,30 @@
+package com.bignerdranch.android.beatbox;
+
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v7.app.AppCompatActivity;
+
+public abstract class SingleFragmentActivity extends AppCompatActivity {
+    protected abstract Fragment createFragment();
+
+    protected int getLayoutResId() {
+        return R.layout.activity_fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(getLayoutResId());
+        FragmentManager manager = getSupportFragmentManager();
+        Fragment fragment = manager.findFragmentById(R.id.fragment_container);
+
+        if (fragment == null) {
+            fragment = createFragment();
+            manager.beginTransaction()
+                .add(R.id.fragment_container, fragment)
+                .commit();
+        }
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/Sound.java

@@ -0,0 +1,21 @@
+package com.bignerdranch.android.beatbox;
+
+public class Sound {
+    private String mAssetPath;
+    private String mName;
+
+    public Sound(String assetPath) {
+        mAssetPath = assetPath;
+        String[] components = assetPath.split("/");
+        String filename = components[components.length - 1];
+        mName = filename.replace(".wav", "");
+    }
+
+    public String getAssetPath() {
+        return mAssetPath;
+    }
+
+    public String getName() {
+        return mName;
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/java/com/bignerdranch/android/beatbox/SoundViewModel.java

@@ -0,0 +1,28 @@
+package com.bignerdranch.android.beatbox;
+
+import android.databinding.BaseObservable;
+import android.databinding.Bindable;
+import android.util.Log;
+
+public class SoundViewModel extends BaseObservable {
+    private Sound mSound;
+    private BeatBox mBeatBox;
+
+    public SoundViewModel(BeatBox beatBox) {
+        mBeatBox = beatBox;
+    }
+
+    @Bindable
+    public String getTitle() {
+        return mSound.getName();
+    }
+
+    public Sound getSound() {
+        return mSound;
+    }
+
+    public void setSound(Sound sound) {
+        mSound = sound;
+        notifyChange();
+    }
+}

Book Files/20_MVVM/BeatBox/app/src/main/res/layout/activity_fragment.xml

@@ -0,0 +1,5 @@
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/fragment_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>

Book Files/20_MVVM/BeatBox/app/src/main/res/layout/fragment_beat_box.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+</layout>

Book Files/20_MVVM/BeatBox/app/src/main/res/layout/list_item_sound.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools">
+    <data>
+        <variable
+            name="viewModel"
+            type="com.bignerdranch.android.beatbox.SoundViewModel"/>
+    </data>
+    <Button
+        android:layout_width="match_parent"
+        android:layout_height="120dp"
+        android:text="@{viewModel.title}"
+        tools:text="Sound name"/>
+</layout>

Book Files/20_MVVM/BeatBox/app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

Book Files/20_MVVM/BeatBox/app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

Book Files/20_MVVM/BeatBox/app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

Book Files/20_MVVM/BeatBox/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">BeatBox</string>
+</resources>

Book Files/20_MVVM/BeatBox/app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

Book Files/20_MVVM/BeatBox/app/src/test/java/com/bignerdranch/android/beatbox/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.bignerdranch.android.beatbox;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}