安卓開發中調用照相功能代碼實例

public class MyCameraActivity extends Activity {

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button btnCamera = (Button) findViewById(R.id.btnCamera);
        btnCamera.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                letCamera();
            }
        });
    }

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        switch (requestCode) {
        case 1:// 拍照
            if (resultCode == RESULT_OK) {
                Toast.makeText(this, "拍攝成功", Toast.LENGTH_SHORT).show();
            }
            break;
        default:
            break;
        }
    }

    protected void letCamera() {
        // TODO Auto-generated method stub
        Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        String strImgPath = Environment.getExternalStorageDirectory()
                .toString() + "/dlion/";// 存放照片的文件夾
        String fileName = new SimpleDateFormat("yyyyMMddHHmmss")
                .format(new Date()) + ".jpg";// 照片命名
        File out = new File(strImgPath);
        if (!out.exists()) {
            out.mkdirs();
        }
        out = new File(strImgPath, fileName);
        strImgPath = strImgPath + fileName;// 該照片的絕對路徑
        Uri uri = Uri.fromFile(out);
        imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
        imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
        startActivityForResult(imageCaptureIntent, 1);
    }
}