当我单击忘记密码应用程序崩溃时
这是代码：
class MainActivity : AppCompatActivity() {
lateinit var txtForgotPassword: TextView
lateinit var register: TextView
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
txtForgotPassword = findViewById(R.id.frgtpass)
txtForgotPassword.setOnClickListener {
val intent=Intent(this@MainActivity,Register::class.java)
startActivity(intent)
}
}
}
这是我遇到的错误：
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.vishesh.foodrunner/com.vishesh.foodrunner.Register}: java.lang.NullPointerException
This is the code:
class MainActivity : AppCompatActivity() {
lateinit var txtForgotPassword: TextView
lateinit var register: TextView
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
txtForgotPassword = findViewById(R.id.frgtpass)
txtForgotPassword.setOnClickListener {
val intent=Intent(this@MainActivity,Register::class.java)
startActivity(intent)
}
}
}
This is the error I faced:
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.vishesh.foodrunner/com.vishesh.foodrunner.Register}: java.lang.NullPointerException
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评论（1）
从我可以从日志中看到的内容，您在MainActivity第17行中拥有一个属性，您分配了
LateInit属性，但忘记了初始化它。我不确定您是否使用过它，但是为其提供基本值，并且错误会消失，您可以随时更改，因为它是varvariable。From what I can see from the logs you have a property in MainActivity line 17 which you assigned
lateinitproperty but forgot to initialize it. I am not sure if you used it or not but give a base value to it and the error will go away you can always change as it is avarvariable.