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OnResume/OnPause handlers added to start/stop camera.

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OpenCV initialization moved to onResume event to support package installation waiting.
pull/80/head
Alexander Smorkalov 12 years ago committed by Andrey Kamaev
parent cc3430dbcc
commit 09901fae2b
2 changed files with 86 additions and 89 deletions
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  1. 133
      samples/android/15-puzzle-framework/src/org/opencv/samples/puzzle15/Puzzle15Activity.java
  2. 42
      samples/android/15-puzzle-framework/src/org/opencv/samples/puzzle15/Puzzle15Processor.java

133
samples/android/15-puzzle-framework/src/org/opencv/samples/puzzle15/Puzzle15Activity.java
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@ -18,39 +18,34 @@ import android.view.View;
public class Puzzle15Activity extends Activity implements CvCameraViewListener, View.OnTouchListener { public class Puzzle15Activity extends Activity implements CvCameraViewListener, View.OnTouchListener {
private static final String TAG = "Sample::Puzzle15::Activity"; private static final String TAG = "Sample::Puzzle15::Activity";
private OpenCvNativeCameraView mOpenCvCameraView; private OpenCvNativeCameraView mOpenCvCameraView;
private Puzzle15Processor mPuzzle15; private Puzzle15Processor mPuzzle15;
private int mGameWidth;
private int mGameHeight;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
mPuzzle15 = new Puzzle15Processor();
mPuzzle15.prepareNewGame();
/* Now enable camera view to start receiving frames */
mOpenCvCameraView.setOnTouchListener(Puzzle15Activity.this);
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
private int mGameWidth;
private int mGameHeight;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
/* Now enable camera view to start receiving frames */
mOpenCvCameraView.setOnTouchListener(Puzzle15Activity.this);
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
@Override @Override
public void onCreate(Bundle savedInstanceState) { public void onCreate(Bundle savedInstanceState) {
@ -61,12 +56,27 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
mOpenCvCameraView = (OpenCvNativeCameraView) findViewById(R.id.puzzle_activity_surface_view); mOpenCvCameraView = (OpenCvNativeCameraView) findViewById(R.id.puzzle_activity_surface_view);
mOpenCvCameraView.setCvCameraViewListener(this); mOpenCvCameraView.setCvCameraViewListener(this);
mPuzzle15 = new Puzzle15Processor();
mPuzzle15.prepareNewGame();
}
@Override
public void onPause()
{
mOpenCvCameraView.disableView();
super.onPause();
}
@Override
public void onResume()
{
super.onResume();
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mLoaderCallback); OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mLoaderCallback);
} }
public void onDestroy() { public void onDestroy() {
super.onDestroy(); super.onDestroy();
mOpenCvCameraView.disableView(); mOpenCvCameraView.disableView();
} }
@Override @Override
@ -79,49 +89,46 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
public boolean onOptionsItemSelected(MenuItem item) { public boolean onOptionsItemSelected(MenuItem item) {
Log.i(TAG, "Menu Item selected " + item); Log.i(TAG, "Menu Item selected " + item);
if (item.getItemId() == R.id.menu_start_new_game) { if (item.getItemId() == R.id.menu_start_new_game) {
/* We need to start new game */ /* We need to start new game */
mPuzzle15.prepareNewGame(); mPuzzle15.prepareNewGame();
} else if (item.getItemId() == R.id.menu_toggle_tile_numbers) { } else if (item.getItemId() == R.id.menu_toggle_tile_numbers) {
/* We need to enable or disable drawing of the tile numbers */ /* We need to enable or disable drawing of the tile numbers */
mPuzzle15.toggleTileNumbers(); mPuzzle15.toggleTileNumbers();
} }
return true; return true;
} }
@Override
public void onCameraViewStarted(int width, int height) {
mGameWidth = width;
mGameHeight = height;
mPuzzle15.prepareGameSize(width, height);
}
@Override @Override
public void onCameraViewStarted(int width, int height) { public void onCameraViewStopped() {
mGameWidth = width; }
mGameHeight = height;
mPuzzle15.prepareGameSize(width, height);
}
@Override
public void onCameraViewStopped() {
}
@Override
public Mat onCameraFrame(Mat inputFrame) {
return mPuzzle15.puzzleFrame(inputFrame);
}
@Override @Override
public boolean onTouch(View view, MotionEvent event) { public Mat onCameraFrame(Mat inputFrame) {
int xpos, ypos; return mPuzzle15.puzzleFrame(inputFrame);
}
xpos = (view.getWidth() - mGameWidth) / 2; @Override
xpos = (int)event.getX() - xpos; public boolean onTouch(View view, MotionEvent event) {
int xpos, ypos;
ypos = (view.getHeight() - mGameHeight) / 2; xpos = (view.getWidth() - mGameWidth) / 2;
ypos = (int)event.getY() - ypos; xpos = (int)event.getX() - xpos;
if (xpos >=0 && xpos <= mGameWidth && ypos >=0 && ypos <= mGameHeight) { ypos = (view.getHeight() - mGameHeight) / 2;
/* click is inside the picture. Deliver this event to processor */ ypos = (int)event.getY() - ypos;
mPuzzle15.deliverTouchEvent(xpos, ypos);
}
// TODO Auto-generated method stub if (xpos >=0 && xpos <= mGameWidth && ypos >=0 && ypos <= mGameHeight) {
return false; /* click is inside the picture. Deliver this event to processor */
mPuzzle15.deliverTouchEvent(xpos, ypos);
} }
return false;
}
} }

42
samples/android/15-puzzle-framework/src/org/opencv/samples/puzzle15/Puzzle15Processor.java
Unescape View File

@ -19,18 +19,17 @@ public class Puzzle15Processor {
private static final int GRID_SIZE = 4; private static final int GRID_SIZE = 4;
private static final int GRID_AREA = GRID_SIZE * GRID_SIZE; private static final int GRID_AREA = GRID_SIZE * GRID_SIZE;
private static final int GRID_EMPTY_INDEX = GRID_AREA - 1; private static final int GRID_EMPTY_INDEX = GRID_AREA - 1;
private static final String TAG = "Puzzle15Processor"; private static final String TAG = "Puzzle15Processor";
private int[] mIndexes; private int[] mIndexes;
private int[] mTextWidths; private int[] mTextWidths;
private int[] mTextHeights; private int[] mTextHeights;
private Mat mRgba;
private Mat mRgba15; private Mat mRgba15;
private Mat[] mCells; private Mat[] mCells;
private Mat[] mCells15; private Mat[] mCells15;
private boolean mShowTileNumbers = true; private boolean mShowTileNumbers = true;
public Puzzle15Processor() { public Puzzle15Processor() {
mTextWidths = new int[GRID_AREA]; mTextWidths = new int[GRID_AREA];
@ -38,13 +37,8 @@ public class Puzzle15Processor {
mIndexes = new int [GRID_AREA]; mIndexes = new int [GRID_AREA];
for (int i = 0; i < GRID_AREA; i++) { for (int i = 0; i < GRID_AREA; i++)
Size s = Core.getTextSize(Integer.toString(i + 1), 3/* CV_FONT_HERSHEY_COMPLEX */, 1, 2, null);
mTextHeights[i] = (int) s.height;
mTextWidths[i] = (int) s.width;
mIndexes[i] = i; mIndexes[i] = i;
}
} }
/* this method is intended to make processor prepared for a new game */ /* this method is intended to make processor prepared for a new game */
@ -67,34 +61,33 @@ public class Puzzle15Processor {
for (int i = 0; i < GRID_SIZE; i++) { for (int i = 0; i < GRID_SIZE; i++) {
for (int j = 0; j < GRID_SIZE; j++) { for (int j = 0; j < GRID_SIZE; j++) {
int k = i * GRID_SIZE + j; int k = i * GRID_SIZE + j;
// mCells[k] = mRgba.submat(i * height / GRID_SIZE, (i + 1) * height / GRID_SIZE, j * width / GRID_SIZE, (j + 1) * width / GRID_SIZE);
mCells15[k] = mRgba15.submat(i * height / GRID_SIZE, (i + 1) * height / GRID_SIZE, j * width / GRID_SIZE, (j + 1) * width / GRID_SIZE); mCells15[k] = mRgba15.submat(i * height / GRID_SIZE, (i + 1) * height / GRID_SIZE, j * width / GRID_SIZE, (j + 1) * width / GRID_SIZE);
} }
} }
for (int i = 0; i < GRID_AREA; i++) {
Size s = Core.getTextSize(Integer.toString(i + 1), 3/* CV_FONT_HERSHEY_COMPLEX */, 1, 2, null);
mTextHeights[i] = (int) s.height;
mTextWidths[i] = (int) s.width;
}
} }
/* this method to be called from the outside. it processes the frame and shuffles /* this method to be called from the outside. it processes the frame and shuffles
* the tiles as specified by mIndexes array * the tiles as specified by mIndexes array
*/ */
public synchronized Mat puzzleFrame(Mat inputPicture) { public synchronized Mat puzzleFrame(Mat inputPicture) {
int rows = inputPicture.rows(); int rows = inputPicture.rows();
int cols = inputPicture.cols(); int cols = inputPicture.cols();
int type = inputPicture.type();
rows = rows - rows%4; rows = rows - rows%4;
cols = cols - cols%4; cols = cols - cols%4;
for (int i = 0; i < GRID_SIZE; i++) { for (int i = 0; i < GRID_SIZE; i++) {
for (int j = 0; j < GRID_SIZE; j++) { for (int j = 0; j < GRID_SIZE; j++) {
int k = i * GRID_SIZE + j; int k = i * GRID_SIZE + j;
mCells[k] = inputPicture.submat(i * inputPicture.rows() / GRID_SIZE, (i + 1) * inputPicture.rows() / GRID_SIZE, j * inputPicture.cols()/ GRID_SIZE, (j + 1) * inputPicture.cols() / GRID_SIZE); mCells[k] = inputPicture.submat(i * inputPicture.rows() / GRID_SIZE, (i + 1) * inputPicture.rows() / GRID_SIZE, j * inputPicture.cols()/ GRID_SIZE, (j + 1) * inputPicture.cols() / GRID_SIZE);
} }
} }
rows = rows - rows%4; rows = rows - rows%4;
cols = cols - cols%4; cols = cols - cols%4;
@ -115,23 +108,22 @@ public class Puzzle15Processor {
drawGrid(cols, rows, mRgba15); drawGrid(cols, rows, mRgba15);
return mRgba15; return mRgba15;
} }
public void toggleTileNumbers() { public void toggleTileNumbers() {
mShowTileNumbers = !mShowTileNumbers; mShowTileNumbers = !mShowTileNumbers;
} }
public void deliverTouchEvent(int x, int y) { public void deliverTouchEvent(int x, int y) {
int rows = mRgba15.rows(); int rows = mRgba15.rows();
int cols = mRgba15.cols(); int cols = mRgba15.cols();
int row = (int) Math.floor(y * GRID_SIZE / rows); int row = (int) Math.floor(y * GRID_SIZE / rows);
int col = (int) Math.floor(x * GRID_SIZE / cols); int col = (int) Math.floor(x * GRID_SIZE / cols);
if (row < 0 || row >= GRID_SIZE || col < 0 || col >= GRID_SIZE) { if (row < 0 || row >= GRID_SIZE || col < 0 || col >= GRID_SIZE) {
Log.e(TAG, "It is not expected to get touch event outside of picture"); Log.e(TAG, "It is not expected to get touch event outside of picture");
return ; return ;
} }
@ -172,7 +164,6 @@ public class Puzzle15Processor {
} }
} }
private static void shuffle(int[] array) { private static void shuffle(int[] array) {
for (int i = array.length; i > 1; i--) { for (int i = array.length; i > 1; i--) {
int temp = array[i - 1]; int temp = array[i - 1];
@ -199,5 +190,4 @@ public class Puzzle15Processor {
} }
return sum % 2 == 0; return sum % 2 == 0;
} }
} }

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