Android打开相机和相册实例代码

本文实例为大家分享了Android打开相机和相册具体代码，供大家参考，具体内容如下

打开相机 

 

  private void showCamera() {
    // 跳转到系统照相机
    Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    if (cameraIntent.resolveActivity(getPackageManager()) != null) {
      // 设置系统相机拍照后的输出路径
      // 创建临时文件
      mTmpFile = OtherUtils.createFile(getApplicationContext());

      cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(mTmpFile));
      startActivityForResult(cameraIntent, REQUEST_CAMERA);
    } else {
      Toast.makeText(getApplicationContext(), R.string.msg_no_camera, Toast.LENGTH_SHORT).show();
    }

  } 

打开相册

Intent albumIntent = new Intent(Intent.ACTION_PICK, null);
    albumIntent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image
public class OtherUtils {
  public static int dip2px(Context context, float dpValue) {
    final float scale = context.getResources().getDisplayMetrics().density;
    return (int) (dpValue * scale + 0.5f);
  }

  public static int px2dip(Context context, float pxValue) {
    final float scale = context.getResources().getDisplayMetrics().density;
    return (int) (pxValue / scale + 0.5f);
  }

  
  public static File createFile(Context context){
    File file;
    if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
      String timeStamp = String.valueOf(new Date().getTime());
      file = new File(Environment.getExternalStorageDirectory() +
   File.separator + timeStamp+".jpg");
    }else{
      File cacheDir = context.getCacheDir();
      String timeStamp = String.valueOf(new Date().getTime());
      file = new File(cacheDir, timeStamp+".jpg");
    }
    return file;
  }

}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。