setContentView(R.layout.
activity_main
);
init();
}
private void init() {
et_main_name = (EditText) findViewById(R.id.
et_main_name
);
et_main_uid = (EditText) findViewById(R.id.
et_main_uid
);
et_main_psw = (EditText) findViewById(R.id.
et_main_psw
);
}
/**
* 跳转到连接摄像头的页面
* @param v
*/
public void connectCamera(View v){
// 获取输入框输入的内容
String name = et_main_name.getText().toString().trim();
String uid = et_main_uid.getText().toString().trim();
String psw = et_main_psw.getText().toString().trim();
// 判断名称、uid、密码是否为空字符串,如果为空字符串,提示用户,如果不为空,发送到显示界面进行
连接
if (TextUtils.
isEmpty
(name)) {
Toast.
makeText
(getApplicationContext(), "名称不能为空", 0).show();
return;
}else if(TextUtils.
isEmpty
(uid) || uid.length() != 20){
Toast.
makeText
(getApplicationContext(), "UID 输入错误", 0).show();
return;
}else if(TextUtils.
isEmpty
(psw)){
Toast.
makeText
(getApplicationContext(), "密码不能为空", 0).show();
return;
}else{
//通过 intent 将名称、uid、密码传递给显示界面进行连接的操作,这里先弹个 Toast 提示下
Toast.
makeText
(getApplicationContext(), "连接成功", 0).show();
}
}
}