打开相机拍照与 读取背地相册图片

String path;
public  void setHeader(){
   //打开系统图库的隐式意图
    Intent intent=new Intent(Intent.ACTION_PICK);
    intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,"image/*");
    //打开系统拍照程序的意图
    Intent intent1=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    //设置拍照后图片的存储路径
    File file=new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),System.currentTimeMillis()+".jpg");
    path=file.getAbsolutePath();
    Uri uri=Uri.fromFile(file);
    intent1.putExtra(MediaStore.EXTRA_OUTPUT,uri);
    Intent intentchooser=Intent.createChooser(intent,"设置头像");
    intentchooser.putExtra(Intent.EXTRA_INITIAL_INTENTS,new Intent[]{intent1});
    startActivity(intentchooser);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    final  String filePath;
    if(resultCode==RESULT_OK||resultCode==100){
    //图片通过拍照获得
       Uri uri=data.getData();
        Cursor cursor=getContentResolver().query(uri,new String[]{MediaStore.Images.Media.DATA},null,null,null);
        cursor.moveToNext();
        filePath=cursor.getString(0);
    }else{
        filePath=path;
    }
}