pwdDialog = new AlertDialog.Builder(this)		.setTitle("密码修改")		.setIcon(null)		.setView(content)		.setPositiveButton("提交",new DialogInterface.OnClickListener() {			@Override			public void onClick(DialogInterface xdialog, int which) {				//设置不关闭对对话框        		try {         			Field field = xdialog.getClass().getSuperclass().getDeclaredField("mShowing");         			field.setAccessible(true);         			field.set(xdialog, false);    			} catch (Exception e) {         			e.printStackTrace();         		}        		String oldpwd = oldTx.getText().toString();        		String newpwd = newTx.getText().toString();        		String confpwd = confTx.getText().toString();        		if(StringUtil.isBlank(oldpwd)){        			Toast.makeText(SysManager.this,"请填写原密码！", Toast.LENGTH_SHORT).show();        			return;        		}        		if(StringUtil.isBlank(newpwd)){        			Toast.makeText(SysManager.this,"请填写新密码！", Toast.LENGTH_SHORT).show();        			return;        		}        		if(StringUtil.isBlank(confpwd)){        			Toast.makeText(SysManager.this,"请确认新密码！", Toast.LENGTH_SHORT).show();        			return;        		}        		if(!newpwd.equals(confpwd)){        			Toast.makeText(SysManager.this,"两次密码不一致！", Toast.LENGTH_SHORT).show();        			return;        		}        		postChangePwd(oldpwd, newpwd);        		//关闭对话框        		try {    				Field field = xdialog.getClass().getSuperclass().getDeclaredField("mShowing");    				field.setAccessible(true);    				field.set(xdialog, true);				} catch (Exception e) {    				e.printStackTrace();    			}			}		})		.setNegativeButton("取消",new DialogInterface.OnClickListener() {			@Override			public void onClick(DialogInterface xdialog, int which) {			}		}).create();