Android_PopUpWindow_相机-相册

转载请标明出处：http://blog.csdn.net/sh_12345/article/details/52860180

private PopupWindow mpopupWindow;private final int SCALE = 5;
private static final int REQUEST_CODE_CAMERA = 0x001;//拍照
private static final int REQUEST_CODE_PHOTO = 0x002;//相册

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switch (view.getId()) {
    case R.id.btn://点击
        showPopupWindow();
        break;
    case R.id.next://下一界面
        Intent intent = new Intent(MainActivity.this, SecondActivity.class);
        startActivity(intent);
        break;
    case R.id.mCamera://拍照
        Intent camera = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(camera, REQUEST_CODE_CAMERA);
        mpopupWindow.dismiss();

        break;
    case R.id.mPhoto://相册
        Intent photo = new Intent(Intent.ACTION_GET_CONTENT);
        photo.setType("image/*");//相片类型
        this.startActivityForResult(photo, REQUEST_CODE_PHOTO);
        mpopupWindow.dismiss();

        break;
    case R.id.mCancle://取消
        mpopupWindow.dismiss();
        break;
}

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private void showPopupWindow() {
    View mView = View.inflate(MainActivity.this, R.layout.popupwindow, null);
    mpopupWindow = new PopupWindow(mView,
            ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, true);
    Button mCamera = (Button) mView.findViewById(R.id.mCamera);
    Button mPhoto = (Button) mView.findViewById(R.id.mPhoto);
    Button mCancle = (Button) mView.findViewById(R.id.mCancle);

    mCamera.setOnClickListener(this);
    mCancle.setOnClickListener(this);
    mPhoto.setOnClickListener(this);

    mpopupWindow.setContentView(mView);
    //点击事件
    mpopupWindow.setOutsideTouchable(true);
    //弹出窗体可点击
    mpopupWindow.setTouchable(true);
    mpopupWindow.setAnimationStyle(R.style.mypopwindow_anim_style);
    // 实例化一个ColorDrawable颜色为半透明
    ColorDrawable dw = new ColorDrawable(0x5e000000);
    // 设置SelectPicPopupWindow弹出窗体的背景
    mpopupWindow.setBackgroundDrawable(dw);

    //显示PopupWindow
    View rootview = LayoutInflater.from(MainActivity.this).inflate(R.layout.activity_main, null);
    mpopupWindow.showAtLocation(rootview, Gravity.BOTTOM, 0, 0);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    //拍照
    if (requestCode == REQUEST_CODE_CAMERA && resultCode == Activity.RESULT_OK && null != data) {
        Bundle bundle = data.getExtras();
        //获取相机返回的数据，并转换为图片格式
        Bitmap bitmap = (Bitmap) bundle.get("data");
        savePic(bitmap);
        iv.setImageBitmap(bitmap);//显示图片

    } else if (requestCode == REQUEST_CODE_PHOTO) {//相册
        ContentResolver resolver = getContentResolver();
        if (data != null) {
            Uri originalUri = data.getData();
            try {
                // 使用ContentProvider通过URI获取原始图片
                Bitmap photo = MediaStore.Images.Media.getBitmap(resolver,
                        originalUri);
                if (photo != null) {
                    // 为防止原始图片过大导致内存溢出，这里先缩小原图显示，然后释放原始Bitmap占用的内存
                    Bitmap bitmap = ImageTools.zoomBitmap(photo,
                            photo.getWidth() / SCALE, photo.getHeight()
                                    / SCALE);
                    photo.recycle();
                    iv.setImageBitmap(bitmap);//显示图片
                }
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
    }
}

/**
 * 保存图片
 *
 * @param bitmap
 * @return
 */
private String savePic(Bitmap bitmap) {
    String sdState = Environment.getExternalStorageState();
    if (!sdState.equals(Environment.MEDIA_MOUNTED)) {
        return "";
    }
    new DateFormat();
    String name = DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA)) + ".jpg";

    FileOutputStream fout = null;
    File file = new File("/sdcard/pintu/");
    file.mkdirs();
    String filename = file.getPath() + name;
    try {
        fout = new FileOutputStream(filename);
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fout);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } finally {
        try {
            if (fout != null) {
                fout.flush();
                fout.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return filename;
}

注意：还有一些popupwindow出现的动画