“应用”已停止android studio调试

Question

我尝试在设备7.0上运行，并且orid收到错误消息应用已停止

这是Logcat：

      09-08 16:20:39.510 24313-24313/? E/Zygote: v2
  09-08 16:20:39.511 24313-24313/? E/Zygote: accessInfo : 0
  09-08 16:20:39.819 24313-24313/com.test.myacc.test E/AndroidRuntime: FATAL EXCEPTION: main
      Process: com.test.myacc.test, PID: 24313
      java.lang.RuntimeException: Unable to start activity ComponentInfo{com.test.myacc.test/com.test.myacc.test.MainActivity}: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter savedInstanceState
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2984)
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045)
          at android.app.ActivityThread.-wrap14(ActivityThread.java)
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642)
          at android.os.Handler.dispatchMessage(Handler.java:102)
          at android.os.Looper.loop(Looper.java:154)
          at android.app.ActivityThread.main(ActivityThread.java:6776)
          at java.lang.reflect.Method.invoke(Native Method)
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496)
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386)
       Caused by: java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter savedInstanceState
          at com.test.myacc.test.MainActivity.onCreate(MainActivity.kt)
          at android.app.Activity.performCreate(Activity.java:6955)
          at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1126)
          at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2927)
          at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045) 
          at android.app.ActivityThread.-wrap14(ActivityThread.java) 
          at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642) 
          at android.os.Handler.dispatchMessage(Handler.java:102) 
          at android.os.Looper.loop(Looper.java:154) 
          at android.app.ActivityThread.main(ActivityThread.java:6776) 
          at java.lang.reflect.Method.invoke(Native Method) 
          at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496) 
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386) 

在调试中没有错误，所有文件都是干净的

AndroidManifest：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test.myacc.test">

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity
        android:name=".MainActivity"
        android:theme="@android:style/Theme.Black.NoTitleBar">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name=".MenuActivity"
        android:theme="@android:style/Theme.Black.NoTitleBar"/>
    <activity
        android:name=".GameActivity"
        android:theme="@android:style/Theme.Black.NoTitleBar"/>
    <activity
        android:name=".HelpActivity"
        android:theme="@android:style/Theme.Black.NoTitleBar"/>
</application>

MainActivity

package com.test.myacc.test

import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.os.CountDownTimer
import android.view.Menu
import android.view.MenuItem
import android.view.animation.AnimationUtils
import android.widget.TextView


class MainActivity : Activity() {

private var timer: CountDownTimer? = null
lateinit var tvCompany: TextView

override fun onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

   menuActivity()

    tvCompany = findViewById(R.id.tvCompany) as TextView

    val anim = AnimationUtils.loadAnimation(this, R.anim.screensaver_company)
    tvCompany.startAnimation(anim)

    timer = object : CountDownTimer(3000, 1000) {
        override fun onTick(millisUntilFinished: Long) {}

        override fun onFinish() {
            tvCompany.text = "PRESENTS"
        }
    }.start()

    timer = object : CountDownTimer(4000, 1000) {
        override fun onTick(millisUntilFinished: Long) {}

        override fun onFinish() {
            tvCompany.text = "GAME"
        }
    }.start()

    timer = object : CountDownTimer(5000, 1000) {
        override fun onTick(millisUntilFinished: Long) {}

        override fun onFinish() {
            menuActivity()
        }
    }.start()
}

private fun menuActivity() {
    val intent = Intent(this, MenuActivity::class.java)
    startActivity(intent)
}

override fun onCreateOptionsMenu(menu: Menu): Boolean {
    // Inflate the menu; this adds items to the action bar if it is present.
    menuInflater.inflate(R.menu.menu_main, menu)
    return true
}

override fun onOptionsItemSelected(item: MenuItem): Boolean {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    val id = item.itemId


    return if (id == R.id.action_settings) {
        true
    } else super.onOptionsItemSelected(item)

}
 }

我在S.O上读取了所有线程，但没有人帮助解决我的问题。

顺便说一句，代码已从Java文件转换为kotlin文件，并且所有错误都已修复...当我尝试运行测试时，应用程序崩溃了。