tons of demo updates and support cropping to visible preview

camerakit/src/main/java/com/flurgle/camerakit/Camera1.java

@@ -1,6 +1,5 @@
 package com.flurgle.camerakit;
 
-import android.graphics.Rect;
 import android.graphics.YuvImage;
 import android.hardware.Camera;
 import android.media.CamcorderProfile;
@@ -10,12 +9,13 @@ import android.support.annotation.NonNull;
 import android.support.v4.util.SparseArrayCompat;
 import android.view.SurfaceHolder;
 
+import com.flurgle.camerakit.utils.AspectRatio;
 import com.flurgle.camerakit.utils.Size;
 import com.flurgle.camerakit.utils.YuvUtils;
 
-import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
+import java.util.Iterator;
 import java.util.List;
 import java.util.SortedSet;
 import java.util.TreeSet;
@@ -29,6 +29,12 @@ public class Camera1 extends CameraImpl {
         FLASH_MODES.put(CameraKit.Constants.FLASH_AUTO, Camera.Parameters.FLASH_MODE_AUTO);
     }
 
+    private static final SparseArrayCompat<Integer> FACING_MODES = new SparseArrayCompat<>();
+    static {
+        FACING_MODES.put(CameraKit.Constants.FACING_BACK, Camera.CameraInfo.CAMERA_FACING_BACK);
+        FACING_MODES.put(CameraKit.Constants.FACING_FRONT, Camera.CameraInfo.CAMERA_FACING_FRONT);
+    }
+
     private File mVideoFile;
 
     private int mCameraId;
@@ -42,8 +48,8 @@ public class Camera1 extends CameraImpl {
     private int mFlash;
     private int mDisplayOrientation;
 
-    private SortedSet<Size> mPreviewSizes;
+    private TreeSet<Size> mPreviewSizes;
-    private SortedSet<Size> mCaptureSizes;
+    private TreeSet<Size> mCaptureSizes;
 
     private MediaRecorder mMediaRecorder;
 
@@ -105,9 +111,14 @@ public class Camera1 extends CameraImpl {
     }
 
     private boolean setFacingInternal(int facing) {
+        int trueValue = FACING_MODES.get(facing, -1);
+        if (trueValue == -1) {
+            return false;
+        }
+
         for (int i = 0, count = Camera.getNumberOfCameras(); i < count; i++) {
             Camera.getCameraInfo(i, mCameraInfo);
-            if (mCameraInfo.facing == facing) {
+            if (mCameraInfo.facing == trueValue) {
                 mCameraId = i;
                 mFacing = facing;
                 return true;
@@ -224,11 +235,11 @@ public class Camera1 extends CameraImpl {
             public void onPreviewFrame(byte[] data, Camera camera) {
                 new Thread(new ProcessStillTask(data, camera, mCameraInfo, new ProcessStillTask.OnStillProcessedListener() {
                     @Override
-                    public void onStillProcessed(final byte[] data) {
+                    public void onStillProcessed(final YuvImage yuv) {
                         getView().post(new Runnable() {
                             @Override
                             public void run() {
-                                mCameraListener.onPictureTaken(data);
+                                mCameraListener.onPictureTaken(yuv);
                             }
                         });
                     }
@@ -279,14 +290,11 @@ public class Camera1 extends CameraImpl {
 
             YuvImage yuv = new YuvImage(rotatedData, parameters.getPreviewFormat(), postWidth, postHeight, null);
 
-            ByteArrayOutputStream out = new ByteArrayOutputStream();
+            onStillProcessedListener.onStillProcessed(yuv);
-            yuv.compressToJpeg(new Rect(0, 0, postWidth, postHeight), 50, out);
-
-            onStillProcessedListener.onStillProcessed(out.toByteArray());
         }
 
         interface OnStillProcessedListener {
-            void onStillProcessed(byte[] data);
+            void onStillProcessed(YuvImage yuv);
         }
 
     }
@@ -390,20 +398,31 @@ public class Camera1 extends CameraImpl {
         Size previewSize = chooseOptimalSize(sizes);
         final Camera.Size currentSize = mCameraParameters.getPictureSize();
         if (currentSize.width != previewSize.getWidth() || currentSize.height != previewSize.getHeight()) {
-            final Size pictureSize = mCaptureSizes.last();
+            Iterator<Size> iterator = mCaptureSizes.descendingIterator();
+            Size pictureSize;
+            while ((pictureSize = iterator.next()) != null) {
+                if (AspectRatio.of(previewSize.getWidth(), previewSize.getHeight()).matches(pictureSize)) {
+                    break;
+                }
+            }
+
+            if (pictureSize == null) {
+                pictureSize = mCaptureSizes.last();
+            }
+
             if (mShowingPreview) {
                 mCamera.stopPreview();
             }
 
             mCameraParameters.setPreviewSize(previewSize.getWidth(), previewSize.getHeight());
             mPreview.setTruePreviewSize(previewSize.getWidth(), previewSize.getHeight());
-
             mCameraParameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
-
             mCameraParameters.setRotation(calcCameraRotation(mDisplayOrientation) + (mFacing == CameraKit.Constants.FACING_FRONT ? 180 : 0));
 
             setAutoFocusInternal(mAutoFocus);
-            setFlashInternal(mFlash);
+
+            //setFlashInternal(mFlash);
+
             mCamera.setParameters(mCameraParameters);
             if (mShowingPreview) {
                 mCamera.startPreview();

camerakit/src/main/java/com/flurgle/camerakit/CameraListener.java

@@ -1,5 +1,7 @@
 package com.flurgle.camerakit;
 
+import android.graphics.YuvImage;
+
 import java.io.File;
 
 public abstract class CameraListener {
@@ -12,7 +14,11 @@ public abstract class CameraListener {
 
     }
 
-    public void onPictureTaken(byte[] picture) {
+    public void onPictureTaken(byte[] jpeg) {
+
+    }
+
+    public void onPictureTaken(YuvImage yuv) {
 
     }
 

camerakit/src/main/java/com/flurgle/camerakit/CameraView.java

@@ -6,6 +6,8 @@ import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.pm.PackageManager;
 import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.graphics.YuvImage;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
@@ -26,8 +28,11 @@ import com.flurgle.camerakit.types.Facing;
 import com.flurgle.camerakit.types.Flash;
 import com.flurgle.camerakit.types.PictureMode;
 import com.flurgle.camerakit.types.TapToFocus;
+import com.flurgle.camerakit.utils.AspectRatio;
+import com.flurgle.camerakit.utils.CenterCrop;
 import com.flurgle.camerakit.utils.DisplayOrientationDetector;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 
 import static com.flurgle.camerakit.CameraKit.Constants.FACING_BACK;
@@ -371,7 +376,7 @@ public class CameraView extends FrameLayout {
 
     }
 
-    private static class CameraListenerMiddleWare extends CameraListener {
+    private class CameraListenerMiddleWare extends CameraListener {
 
         private CameraListener mCameraListener;
 
@@ -388,9 +393,27 @@ public class CameraView extends FrameLayout {
         }
 
         @Override
-        public void onPictureTaken(byte[] picture) {
+        public void onPictureTaken(byte[] jpeg) {
-            super.onPictureTaken(picture);
+            super.onPictureTaken(jpeg);
-            getCameraListener().onPictureTaken(picture);
+            if (mCropOutput) {
+                AspectRatio outputRatio = AspectRatio.of(getWidth(), getHeight());
+                getCameraListener().onPictureTaken(new CenterCrop(jpeg, outputRatio).getJpeg());
+            } else {
+                getCameraListener().onPictureTaken(jpeg);
+            }
+        }
+
+        @Override
+        public void onPictureTaken(YuvImage yuv) {
+            super.onPictureTaken(yuv);
+            if (mCropOutput) {
+                AspectRatio outputRatio = AspectRatio.of(getWidth(), getHeight());
+                getCameraListener().onPictureTaken(new CenterCrop(yuv, outputRatio).getJpeg());
+            } else {
+                ByteArrayOutputStream out = new ByteArrayOutputStream();
+                yuv.compressToJpeg(new Rect(0, 0, yuv.getWidth(), yuv.getHeight()), 50, out);
+                getCameraListener().onPictureTaken(out.toByteArray());
+            }
         }
 
         @Override

camerakit/src/main/java/com/flurgle/camerakit/utils/CenterCrop.java

@@ -0,0 +1,51 @@
+package com.flurgle.camerakit.utils;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Rect;
+import android.graphics.YuvImage;
+
+import java.io.ByteArrayOutputStream;
+
+public class CenterCrop {
+
+    private byte[] croppedJpeg;
+
+    public CenterCrop(YuvImage yuv, AspectRatio targetRatio) {
+        Rect crop = getCrop(yuv.getWidth(), yuv.getHeight(), targetRatio);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        yuv.compressToJpeg(crop, 100, out);
+        this.croppedJpeg = out.toByteArray();
+    }
+
+    public CenterCrop(byte[] jpeg, AspectRatio targetRatio) {
+        Bitmap bitmap = BitmapFactory.decodeByteArray(jpeg, 0, jpeg.length);
+        Rect crop = getCrop(bitmap.getWidth(), bitmap.getHeight(), targetRatio);
+        bitmap = Bitmap.createBitmap(bitmap, crop.left, crop.top, crop.width(), crop.height());
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
+        this.croppedJpeg = out.toByteArray();
+    }
+
+    public byte[] getJpeg() {
+        return croppedJpeg;
+    }
+
+    private static Rect getCrop(int currentWidth, int currentHeight, AspectRatio targetRatio) {
+        AspectRatio currentRatio = AspectRatio.of(currentWidth, currentHeight);
+
+        Rect crop;
+        if (currentRatio.toFloat() > targetRatio.toFloat()) {
+            int width = (int) (currentHeight * targetRatio.toFloat());
+            int widthOffset = (currentWidth - width) / 2;
+            crop = new Rect(widthOffset, 0, currentWidth - widthOffset, currentHeight);
+        } else {
+            int height = (int) (currentWidth * targetRatio.inverse().toFloat());
+            int heightOffset = (currentHeight - height) / 2;
+            crop = new Rect(0, heightOffset, currentWidth, currentHeight - heightOffset);
+        }
+
+        return crop;
+    }
+
+}

demo/src/main/AndroidManifest.xml

@@ -19,6 +19,10 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".PreviewActivity"
+            android:screenOrientation="portrait" />
+
     </application>
 
 </manifest>

demo/src/main/java/com/flurgle/camerakit/demo/AutoUnfocusEditText.java

@@ -27,6 +27,7 @@ public class AutoUnFocusEditText extends EditText {
             clearFocus();
             return true;
         }
+
         return super.dispatchKeyEvent(event);
     }
 

demo/src/main/java/com/flurgle/camerakit/demo/MainActivity.java

@@ -1,16 +1,18 @@
 package com.flurgle.camerakit.demo;
 
+import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.os.Bundle;
-import android.os.Handler;
 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.widget.Button;
 import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.RadioButton;
+import android.widget.RadioGroup;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -26,6 +28,8 @@ import butterknife.OnCheckedChanged;
 import butterknife.OnClick;
 import butterknife.OnTextChanged;
 
+import static com.flurgle.camerakit.demo.R.id.widthCustom;
+
 public class MainActivity extends AppCompatActivity {
 
     @BindView(R.id.activity_main)
@@ -34,29 +38,37 @@ public class MainActivity extends AppCompatActivity {
     @BindView(R.id.camera)
     CameraView camera;
 
+    // Capture Mode:
+
     @BindView(R.id.modeCaptureQuality)
     RadioButton modeQuality;
-
     @BindView(R.id.modeCaptureSpeed)
     RadioButton modeSpeed;
 
+    // Width:
+
     @BindView(R.id.screenWidth)
     TextView screenWidth;
-
     @BindView(R.id.width)
     EditText width;
+    @BindView(R.id.widthUpdate)
+    Button widthUpdate;
+    @BindView(R.id.widthRadioGroup)
+    RadioGroup widthRadioGroup;
 
-    @BindView(R.id.widthWrapContent)
+    // Height:
-    RadioButton widthWrapContent;
-
-    @BindView(R.id.widthMatchParent)
-    RadioButton widthMatchParent;
 
     @BindView(R.id.screenHeight)
     TextView screenHeight;
-
     @BindView(R.id.height)
     EditText height;
+    @BindView(R.id.heightUpdate)
+    Button heightUpdate;
+    @BindView(R.id.heightRadioGroup)
+    RadioGroup heightRadioGroup;
+
+    private int mCameraWidth;
+    private int mCameraHeight;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -75,7 +87,13 @@ public class MainActivity extends AppCompatActivity {
         camera.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
             @Override
             public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {
-                invalidateParameters();
+                mCameraWidth = right - left;
+                mCameraHeight = bottom - top;
+
+                width.setText(String.valueOf(mCameraWidth));
+                height.setText(String.valueOf(mCameraHeight));
+
+                camera.removeOnLayoutChangeListener(this);
             }
         });
     }
@@ -96,10 +114,13 @@ public class MainActivity extends AppCompatActivity {
     void capturePhoto() {
         camera.setCameraListener(new CameraListener() {
             @Override
-            public void onPictureTaken(byte[] picture) {
+            public void onPictureTaken(byte[] jpeg) {
-                super.onPictureTaken(picture);
+                super.onPictureTaken(jpeg);
-                Bitmap bitmap = BitmapFactory.decodeByteArray(picture, 0, picture.length);
+                Bitmap bitmap = BitmapFactory.decodeByteArray(jpeg, 0, jpeg.length);
-                new PreviewDialog(MainActivity.this, bitmap).show();
+                MediaHolder.dispose();
+                MediaHolder.setImage(bitmap);
+                Intent intent = new Intent(MainActivity.this, PreviewActivity.class);
+                startActivity(intent);
             }
         });
         camera.capturePicture();
@@ -111,8 +132,10 @@ public class MainActivity extends AppCompatActivity {
             @Override
             public void onVideoTaken(File video) {
                 super.onVideoTaken(video);
-                PreviewDialog previewDialog = new PreviewDialog(MainActivity.this, video);
+                MediaHolder.dispose();
-                previewDialog.show();
+                MediaHolder.setVideo(video);
+                Intent intent = new Intent(MainActivity.this, PreviewActivity.class);
+                startActivity(intent);
             }
         });
 
@@ -166,20 +189,38 @@ public class MainActivity extends AppCompatActivity {
 
     @OnTextChanged(value = R.id.width, callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
     void widthChanged() {
-        if (width.isFocused()) {
+        if (String.valueOf(mCameraWidth).equals(width.getText().toString())) {
-            new Handler().postDelayed(new UpdateCameraRunnable(width), 2000);
+            widthUpdate.setAlpha(.2f);
+        } else {
+            widthUpdate.setAlpha(1f);
         }
     }
 
-    @OnCheckedChanged({R.id.widthCustom, R.id.widthWrapContent, R.id.widthMatchParent})
+    @OnClick(R.id.widthUpdate)
+    void widthUpdateClicked() {
+        if (widthUpdate.getAlpha() >= 1) {
+            updateCamera(true, false);
+        }
+    }
+
+    @OnCheckedChanged({widthCustom, R.id.widthWrapContent, R.id.widthMatchParent})
     void widthModeChanged(CompoundButton buttonCompat, boolean checked) {
 
     }
 
     @OnTextChanged(value = R.id.height)
     void heightChanged() {
-        if (height.isFocused()) {
+        if (String.valueOf(mCameraHeight).equals(height.getText().toString())) {
-            new Handler().postDelayed(new UpdateCameraRunnable(height), 2000);
+            heightUpdate.setAlpha(.2f);
+        } else {
+            heightUpdate.setAlpha(1f);
+        }
+    }
+
+    @OnClick(R.id.heightUpdate)
+    void heightUpdateClicked() {
+        if (heightUpdate.getAlpha() >= 1) {
+            updateCamera(false, true);
         }
     }
 
@@ -188,50 +229,72 @@ public class MainActivity extends AppCompatActivity {
 
     }
 
+    private void updateCamera(boolean updateWidth, boolean updateHeight) {
+        ViewGroup.LayoutParams cameraLayoutParams = camera.getLayoutParams();
+        int width = cameraLayoutParams.width;
+        int height = cameraLayoutParams.height;
 
-    private void invalidateParameters() {
+        if (updateWidth) {
-        if (!widthMatchParent.isChecked() && !widthWrapContent.isChecked()) {
+            switch (widthRadioGroup.getCheckedRadioButtonId()) {
-            width.setText(String.valueOf(camera.getWidth()));
+                case R.id.widthCustom:
-            width.setHint("pixels");
+                    String widthInput = this.width.getText().toString();
-        } else if (widthMatchParent.isChecked()) {
+                    if (widthInput.length() > 0) {
-            width.setHint("match_parent");
+                        try {
-            width.setText("");
+                            width = Integer.valueOf(widthInput);
-        } else if (widthWrapContent.isChecked()) {
+                        } catch (Exception e) {
-            width.setHint("wrap_content");
-            width.setText("");
-        }
 
-        height.setText(String.valueOf(camera.getHeight()));
+                        }
                     }
 
-    private class UpdateCameraRunnable implements Runnable {
+                    break;
 
-        private EditText editText;
+                case R.id.widthWrapContent:
-        private String startText;
+                    width = ViewGroup.LayoutParams.WRAP_CONTENT;
+                    break;
 
-        public UpdateCameraRunnable(EditText editText) {
+                case R.id.widthMatchParent:
-            this.startText = editText.getText().toString();
+                    width = ViewGroup.LayoutParams.MATCH_PARENT;
+                    break;
+            }
         }
 
-        @Override
+        if (updateHeight) {
-        public void run() {
+            switch (heightRadioGroup.getCheckedRadioButtonId()) {
-            if (startText.equals(editText.getText().toString())) {
+                case R.id.heightCustom:
-                ViewGroup.LayoutParams layoutParams = camera.getLayoutParams();
+                    String heightInput = this.height.getText().toString();
-                switch (editText.getId()) {
+                    if (heightInput.length() > 0) {
-                    case R.id.width:
+                        try {
-                        layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
+                            height = Integer.valueOf(heightInput);
-                        break;
+                        } catch (Exception e) {
 
-                    case R.id.height:
-                        layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
-                        break;
                         }
+                    }
+                    break;
 
-                camera.setLayoutParams(layoutParams);
+                case R.id.heightWrapContent:
+                    height = ViewGroup.LayoutParams.WRAP_CONTENT;
+                    break;
 
+                case R.id.heightMatchParent:
+                    height = parent.getHeight();
+                    break;
             }
         }
 
+        cameraLayoutParams.width = width;
+        cameraLayoutParams.height = height;
+
+        camera.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
+            @Override
+            public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {
+                mCameraWidth = right - left;
+                mCameraHeight = bottom - top;
+                camera.removeOnLayoutChangeListener(this);
+                widthChanged();
+                heightChanged();
+            }
+        });
+        camera.setLayoutParams(cameraLayoutParams);
     }
 
 }

demo/src/main/java/com/flurgle/camerakit/demo/MediaHolder.java

@@ -0,0 +1,37 @@
+package com.flurgle.camerakit.demo;
+
+import android.graphics.Bitmap;
+import android.support.annotation.Nullable;
+
+import java.io.File;
+import java.lang.ref.WeakReference;
+
+public class MediaHolder {
+
+    private static WeakReference<File> video;
+    private static WeakReference<Bitmap> image;
+
+    public static void setVideo(@Nullable File video) {
+        MediaHolder.video = video != null ? new WeakReference<>(video) : null;
+    }
+
+    @Nullable
+    public static File getVideo() {
+        return video != null ? video.get() : null;
+    }
+
+    public static void setImage(@Nullable Bitmap image) {
+        MediaHolder.image = image != null ? new WeakReference<>(image) : null;
+    }
+
+    @Nullable
+    public static Bitmap getImage() {
+        return image != null ? image.get() : null;
+    }
+
+    public static void dispose() {
+        setVideo(null);
+        setImage(null);
+    }
+
+}

demo/src/main/java/com/flurgle/camerakit/demo/PreviewActivity.java

@@ -1,11 +1,10 @@
 package com.flurgle.camerakit.demo;
 
-import android.app.Dialog;
+import android.app.Activity;
-import android.content.Context;
 import android.graphics.Bitmap;
 import android.media.MediaPlayer;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.VideoView;
@@ -15,33 +14,25 @@ import java.io.File;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
-public class PreviewDialog extends Dialog {
+import static com.flurgle.camerakit.demo.R.id.video;
+
+public class PreviewActivity extends Activity {
 
     @BindView(R.id.image)
     ImageView imageView;
 
-    @BindView(R.id.video)
+    @BindView(video)
     VideoView videoView;
 
-    private Bitmap bitmap;
-    private File video;
-
-    public PreviewDialog(@NonNull Context context, Bitmap bitmap) {
-        super(context);
-        this.bitmap = bitmap;
-    }
-
-    public PreviewDialog(@NonNull Context context, File video) {
-        super(context);
-        this.video = video;
-    }
-
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.dialog_preview);
+        setContentView(R.layout.activity_preview);
         ButterKnife.bind(this);
 
+        Bitmap bitmap = MediaHolder.getImage();
+        File video = MediaHolder.getVideo();
+
         if (bitmap != null) {
             imageView.setImageBitmap(bitmap);
         } else if (video != null) {

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

@@ -126,7 +126,7 @@
                             android:id="@+id/modeCaptureSpeed"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:layout_marginLeft="20dp"
+                            android:layout_marginLeft="10dp"
                             android:text="Speed" />
 
                     </RadioGroup>
@@ -177,7 +177,7 @@
                             android:id="@+id/modeCropFullSize"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:layout_marginLeft="20dp"
+                            android:layout_marginLeft="10dp"
                             android:text="Full size" />
 
                     </RadioGroup>
@@ -281,14 +281,35 @@
                         android:textColor="@android:color/black"
                         android:textSize="11dp" />
 
+                    <FrameLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content">
+
                         <com.flurgle.camerakit.demo.AutoUnFocusEditText
                             android:id="@+id/width"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
+                            android:layout_marginRight="120dp"
                             android:hint="pixels"
                             android:inputType="number" />
 
+                        <Button
+                            android:id="@+id/widthUpdate"
+                            android:layout_width="90dp"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center_vertical|right"
+                            android:layout_marginRight="15dp"
+                            android:backgroundTint="@color/colorPrimary"
+                            android:gravity="center"
+                            android:text="UPDATE"
+                            android:textColor="@android:color/white"
+                            android:textSize="14dp"
+                            android:textStyle="bold" />
+
+                    </FrameLayout>
+
                     <RadioGroup
+                        android:id="@+id/widthRadioGroup"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="3dp"
@@ -358,14 +379,35 @@
                         android:textColor="@android:color/black"
                         android:textSize="11dp" />
 
+                    <FrameLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content">
+
                         <com.flurgle.camerakit.demo.AutoUnFocusEditText
                             android:id="@+id/height"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
+                            android:layout_marginRight="120dp"
                             android:hint="pixels"
                             android:inputType="number" />
 
+                        <Button
+                            android:id="@+id/heightUpdate"
+                            android:layout_width="90dp"
+                            android:layout_height="wrap_content"
+                            android:layout_gravity="center_vertical|right"
+                            android:layout_marginRight="15dp"
+                            android:backgroundTint="@color/colorPrimary"
+                            android:gravity="center"
+                            android:text="UPDATE"
+                            android:textColor="@android:color/white"
+                            android:textSize="14dp"
+                            android:textStyle="bold" />
+
+                    </FrameLayout>
+
                     <RadioGroup
+                        android:id="@+id/heightRadioGroup"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_marginTop="3dp"
@@ -394,7 +436,6 @@
 
                     </RadioGroup>
 
-
                 </LinearLayout>
 
             </FrameLayout>

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

@@ -1,3 +1,3 @@
 <resources>
-    <string name="app_name">CameraKit Demo</string>
+    <string name="app_name">CameraKit</string>
 </resources>

demo/src/main/res/values/styles.xml

@@ -8,4 +8,8 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="Theme.PreviewActivity" parent="Theme.AppCompat.NoActionBar">
+
+    </style>
+
 </resources>