package cn.com.basic.face.base;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.List;
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import android.app.Activity;
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import android.content.ContentValues;
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import android.content.Intent;
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import android.hardware.Camera;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.MediaStore.Images;
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import android.util.Log;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.MotionEvent;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.View;
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import android.view.View.OnTouchListener;
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import com.bsk.zhangbo.demoforbsk.R;
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public class PictureTaker extends Activity
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{
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private static final String TAG = "PICTURE_TAKER";
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private SurfaceView surfaceView;
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private SurfaceHolder surfaceHolder;
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private boolean isPreviewing;
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private Camera camera;
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private List<String> effects;
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private List<Camera.Size> sizes;
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private String effect = Camera.Parameters.EFFECT_NONE;
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@Override
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public void onCreate(Bundle bundle)
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{
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super.onCreate(bundle);
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setContentView(R.layout.fragment_register_camera_preview);
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surfaceView = (SurfaceView) findViewById(R.id.cameraSurfaceView);
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surfaceView.setOnTouchListener(touchListener);
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surfaceHolder = surfaceView.getHolder();
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surfaceHolder.addCallback(surfaceCallback);
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surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu)
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{
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super.onCreateOptionsMenu(menu);
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for (String effect : effects)
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menu.add(effect);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item)
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{
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Camera.Parameters p = camera.getParameters();
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p.setColorEffect(item.getTitle().toString());
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camera.setParameters(p);
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return true;
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}
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private SurfaceHolder.Callback surfaceCallback =
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new SurfaceHolder.Callback()
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{
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@Override
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public void surfaceDestroyed(SurfaceHolder arg0)
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{
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camera.stopPreview();
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isPreviewing = false;
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camera.release();
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}
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@Override
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public void surfaceCreated(SurfaceHolder arg0)
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{
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camera = Camera.open();
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effects = camera.getParameters().getSupportedColorEffects();
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sizes = camera.getParameters().getSupportedPreviewSizes();
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}
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@Override
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public void surfaceChanged(SurfaceHolder holder, int format,
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int width, int height)
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{
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if (isPreviewing)
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camera.stopPreview();
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Camera.Parameters p = camera.getParameters();
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p.setPreviewSize(sizes.get(0).width, sizes.get(0).height);
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p.setColorEffect(effect);
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p.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
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camera.setParameters(p);
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try
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{
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camera.setPreviewDisplay(holder); // display using holder
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}
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catch (IOException e)
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{
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Log.v(TAG, e.toString());
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}
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camera.startPreview(); // begin the preview
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isPreviewing = true;
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}
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};
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Camera.PictureCallback pictureCallback = new Camera.PictureCallback()
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{
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public void onPictureTaken(byte[] imageData, Camera c)
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{
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String fileName = "Slideshow_" + System.currentTimeMillis();
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ContentValues values = new ContentValues();
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values.put(Images.Media.TITLE, fileName);
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values.put(Images.Media.DATE_ADDED, System.currentTimeMillis());
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values.put(Images.Media.MIME_TYPE, "image/jpg");
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Uri uri = getContentResolver().insert(
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Images.Media.EXTERNAL_CONTENT_URI, values);
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try
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{
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OutputStream outStream =
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getContentResolver().openOutputStream(uri);
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outStream.write(imageData);
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outStream.flush();
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outStream.close();
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Intent returnIntent = new Intent();
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returnIntent.setData(uri);
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setResult(RESULT_OK, returnIntent);
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finish();
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}
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catch (IOException ex)
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{
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setResult(RESULT_CANCELED);
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}
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}
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};
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private OnTouchListener touchListener = new OnTouchListener()
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{
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@Override
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public boolean onTouch(View v, MotionEvent event)
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{
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camera.takePicture(null, null, pictureCallback);
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return false;
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}
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};
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}
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