MP1_CalebFontenot

Book Files/31_TouchEvents/DragAndDraw/app/.gitignore

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+/build

Book Files/31_TouchEvents/DragAndDraw/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.2'
+    defaultConfig {
+        applicationId "com.bignerdranch.android.draganddraw"
+        minSdkVersion 19
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.3.0'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    testCompile 'junit:junit:4.12'
+}

Book Files/31_TouchEvents/DragAndDraw/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/chris/AndroidDeveloper/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

Book Files/31_TouchEvents/DragAndDraw/app/src/androidTest/java/com/bignerdranch/android/draganddraw/ExampleInstrumentedTest.java

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+package com.bignerdranch.android.draganddraw;
+
+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.draganddraw", appContext.getPackageName());
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/AndroidManifest.xml

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

Book Files/31_TouchEvents/DragAndDraw/app/src/main/java/com/bignerdranch/android/draganddraw/Box.java

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+package com.bignerdranch.android.draganddraw;
+
+import android.graphics.PointF;
+
+public class Box {
+    private PointF mOrigin;
+    private PointF mCurrent;
+
+    public Box(PointF origin) {
+        mOrigin = origin;
+        mCurrent = origin;
+    }
+
+    public PointF getCurrent() {
+        return mCurrent;
+    }
+
+    public void setCurrent(PointF current) {
+        mCurrent = current;
+    }
+
+    public PointF getOrigin() {
+        return mOrigin;
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/java/com/bignerdranch/android/draganddraw/BoxDrawingView.java

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+package com.bignerdranch.android.draganddraw;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PointF;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BoxDrawingView extends View {
+    private static final String TAG = "BoxDrawingView";
+
+    private Box mCurrentBox;
+    private List<Box> mBoxen = new ArrayList<>();
+    private Paint mBoxPaint;
+    private Paint mBackgroundPaint;
+
+    // Used when creating the view in code
+    public BoxDrawingView(Context context) {
+        this(context, null);
+    }
+
+    // Used when inflating the view from XML
+    public BoxDrawingView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        // Paint the boxes a nice semitransparent red (ARGB)
+        mBoxPaint = new Paint();
+        mBoxPaint.setColor(0x22ff0000);
+
+        // Paint the background off-white
+        mBackgroundPaint = new Paint();
+        mBackgroundPaint.setColor(0xfff8efe0);
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        // Fill the background
+        canvas.drawPaint(mBackgroundPaint);
+
+        for (Box box : mBoxen) {
+            float left = Math.min(box.getOrigin().x, box.getCurrent().x);
+            float right = Math.max(box.getOrigin().x, box.getCurrent().x);
+            float top = Math.min(box.getOrigin().y, box.getCurrent().y);
+            float bottom = Math.max(box.getOrigin().y, box.getCurrent().y);
+            
+            canvas.drawRect(left, top, right, bottom, mBoxPaint);
+        }
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        PointF current = new PointF(event.getX(), event.getY());
+        String action = "";
+        switch (event.getAction()) {
+            case MotionEvent.ACTION_DOWN:
+                action = "ACTION_DOWN";
+                // Reset drawing state
+                mCurrentBox = new Box(current);
+                mBoxen.add(mCurrentBox);
+                break;
+            case MotionEvent.ACTION_MOVE:
+                action = "ACTION_MOVE";
+                if (mCurrentBox != null) {
+                    mCurrentBox.setCurrent(current);
+                    invalidate();
+                }
+                break;
+            case MotionEvent.ACTION_UP:
+                action = "ACTION_UP";
+                mCurrentBox = null;
+                break;
+            case MotionEvent.ACTION_CANCEL:
+                action = "ACTION_CANCEL";
+                mCurrentBox = null;
+                break;
+        }
+
+        Log.i(TAG, action + " at x=" + current.x +
+                ", y=" + current.y);
+
+        return true;
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/java/com/bignerdranch/android/draganddraw/DragAndDrawActivity.java

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+package com.bignerdranch.android.draganddraw;
+
+import android.support.v4.app.Fragment;
+
+public class DragAndDrawActivity extends SingleFragmentActivity {
+
+    @Override
+    protected Fragment createFragment() {
+        return DragAndDrawFragment.newInstance();
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/java/com/bignerdranch/android/draganddraw/DragAndDrawFragment.java

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+package com.bignerdranch.android.draganddraw;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class DragAndDrawFragment extends Fragment {
+
+    public static DragAndDrawFragment newInstance() {
+        return new DragAndDrawFragment();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View v = inflater.inflate(R.layout.fragment_drag_and_draw, container, false);
+        return v;
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/java/com/bignerdranch/android/draganddraw/SingleFragmentActivity.java

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+package com.bignerdranch.android.draganddraw;
+
+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();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fragment);
+
+        FragmentManager fm = getSupportFragmentManager();
+        Fragment fragment = fm.findFragmentById(R.id.fragment_container);
+
+        if (fragment == null) {
+            fragment = createFragment();
+            fm.beginTransaction()
+                    .add(R.id.fragment_container, fragment)
+                    .commit();
+        }
+    }
+}

Book Files/31_TouchEvents/DragAndDraw/app/src/main/res/layout/activity_fragment.xml

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

Book Files/31_TouchEvents/DragAndDraw/app/src/main/res/layout/fragment_drag_and_draw.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<com.bignerdranch.android.draganddraw.BoxDrawingView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />

Book Files/31_TouchEvents/DragAndDraw/app/src/main/res/values/colors.xml

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+<?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/31_TouchEvents/DragAndDraw/app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">DragAndDraw</string>
+</resources>

Book Files/31_TouchEvents/DragAndDraw/app/src/main/res/values/styles.xml

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+<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/31_TouchEvents/DragAndDraw/app/src/test/java/com/bignerdranch/android/draganddraw/ExampleUnitTest.java

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+package com.bignerdranch.android.draganddraw;
+
+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);
+    }
+}