Android应用源码之基于Android2.2照相机Demo,可以直接放到项目里使用-IT计算机-毕业设计.zip

package cn.sun.picture; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import android.app.Activity; import android.app.Service; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.AssetFileDescriptor; import android.content.res.Configuration; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.graphics.PixelFormat; import android.graphics.drawable.BitmapDrawable; import android.hardware.Camera; import android.hardware.Camera.AutoFocusCallback; import android.hardware.Camera.PictureCallback; import android.hardware.Camera.ShutterCallback; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.ToneGenerator; import android.os.Bundle; import android.os.Environment; import android.os.Vibrator; import android.provider.ContactsContract.CommonDataKinds.Im; import android.util.Log; import android.view.Display; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ImageButton; import android.widget.ListView; import android.widget.PopupWindow; import android.widget.RelativeLayout; import android.widget.Toast; /** * 照相机 */ public class MainActivity extends Activity { private static final String TAG = "MainActivity"; private SurfaceView surfaceView; private Camera camera; private ImageButton startCaemraBtn; private ImageButton flashModeBtn; // Popwindow显示 private PopupWindow tipPopupWindow; private RelativeLayout layout; private ListView listView; private String title[] = { "自动", "开启", "关闭" }; private AudioManager mAudioManager; private int ringMode; public static Bitmap prviewImageBitMap; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Window window = getWindow(); requestWindowFeature(Window.FEATURE_NO_TITLE); window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); setContentView(R.layout.main); initView(); mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); setRingMode(mAudioManager.getRingerMode()); Toast.makeText(MainActivity.this, "进入无声拍照模式！", Toast.LENGTH_SHORT) .show(); } // 初始化界面的UI private void initView() { startCaemraBtn = (ImageButton) findViewById(R.id.startCameraBtn); flashModeBtn = (ImageButton) findViewById(R.id.flashModeBtn); startCaemraBtn.setOnClickListener(new startCameraOnClick()); flashModeBtn.setOnClickListener(new flashModeCameraOnClick()); SharedPreferences sharedPreferences = getSharedPreferences( "issetValueXml", Context.MODE_PRIVATE); int i = sharedPreferences.getInt("onoff", 0); if (i == 0) { flashModeBtn.setBackgroundResource(R.drawable.flashmode_auto); } else if (i == 1) { flashModeBtn.setBackgroundResource(R.drawable.flashmode_open); } else if (i == 2) { flashModeBtn.setBackgroundResource(R.drawable.flashmode_off); } surfaceView = (SurfaceView) findViewById(R.id.surfaceView); surfaceView.getHolder().setFixedSize(surfaceView.getWidth(), surfaceView.getHeight()); // 设置SurfaceHolder对象的类型 surfaceView.getHolder() .setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // 指定用于捕捉拍照事件的SurfaceHolder.Callback对象 surfaceView.getHolder().addCallback(new SurfaceCallback()); } // 回调接口 private final class SurfaceCallback implements SurfaceHolder.Callback { @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { camera = Camera.open(); camera.setDisplayOrientation(90); WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); Camera.Parameters parameters = camera.getParameters(); // 根据屏幕方向设置预览尺寸 parameters.setPreviewSize(display.getWidth(), display.getHeight()); // 下面的参数有可能导致某些手机花屏(后续解决) parameters.setPreviewFrameRate(3); // 设置照片格式 parameters.setPictureFormat(PixelFormat.JPEG); parameters.set("jpeg-quality", 85); // 设置拍摄照片的实际分辨率，本例中的分辨率是1024×768 parameters.setPictureSize(display.getWidth() / 2, display.getHeight() / 2); /* * if * (MainActivity.this.getResources().getConfiguration().orientation * != Configuration.ORIENTATION_LANDSCAPE) { // 如果是竖屏 * parameters.set("orientation", "portrait"); * camera.setDisplayOrientation(90); } else { * parameters.set("orientation", "landscape"); * camera.setDisplayOrientation(0); } */ // 设置保存的图像大小 camera.setParameters(parameters); try { // 设置用于显示拍照影像的SurfaceHolder对象 camera.setPreviewDisplay(surfaceView.getHolder()); camera.startPreview(); } catch (IOException e) { Log.e(TAG, e.toString()); } } @Override public void surfaceDestroyed(SurfaceHolder holder) { if (camera != null) { camera.stopPreview(); camera.setPreviewCallback(null); camera.release(); camera = null; } } @Override public void surfaceCreated(SurfaceHolder holder) { // TODO Auto-generated method stub } } // 回调接口 private final class TakePictureCallback implements PictureCallback { // 该方法用于处理拍摄后的照片数据 @Override public void onPictureTaken(byte[] data, Camera camera) { Log.v("--------", "执行"); mAudioManager.setRingerMode(getRingMode()); // data参数值就是照片数据，将这些数据以key-value形式保存，以便其他调用该Activity的程序可以获得照片数据 try { Matrix matrix = new Matrix(); matrix.reset(); matrix.setRotate(90); Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length); bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); setPrviewImageBitMap(bitmap);//为预览提供一个BitMap（转换） Intent intent = new Intent(MainActivity.this, PreviewImageView.class); startActivity(intent); // 停止照片拍摄 camera.stopPreview(); } catch (Exception e) { Log.e(TAG, e.toString()); } } } // 无声处理 ShutterCallback sc = new ShutterCallback() { @Override public void onShutter() { Vibrator vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE); vibrator.vibrate(100); } }; public boolean onTouchEvent(MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) // 结束拍照 camera.autoFocus(new AutoFocusCallback() { @Override public void onAutoFocus(boolean success, Camera camera) { // success为true表示对焦成功 if (success) { SharedPreferences sharedPreferences = getSharedPreferences( "issetValueXml", Context.MODE_PRIVATE); int i = sharedPreferences.getInt("onoff", 2); if (i == 0) { Camera.Parameters parameters = camera .getParameters(); parameters .setFlashMode(Camera.Parameters.FOCUS_MODE_AUTO); camera.setParameters(parameters); } else if (i == 1) { Camera.Parameters parameters = camera .getParameters(); parameters .setFlashMode(Camera.Parameters.FLASH_MODE_ON); camera.setParameters(parameters);