package com.hgc.teststudy
import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.util.Log
import com.hgc.teststudy.databinding.ActivityMainBinding
class MainActivity : Activity() {
private lateinit var binding: ActivityMainBinding
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
Log.d("Life", "onCreate")
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
Log.d("Life", "onSaveInstanceState")
}
override fun onRestoreInstanceState(savedInstanceState: Bundle) {
super.onRestoreInstanceState(savedInstanceState)
Log.d("Life", "onRestoreInstanceState")
}
override fun onNewIntent(intent: Intent?) {
super.onNewIntent(intent)
Log.d("Life", "onNewIntent")
}
override fun onRestart() {
super.onRestart()
Log.d("Life", "onRestart")
}
override fun onStart() {
super.onStart()
Log.d("Life", "onStart")
}
override fun onPause() {
super.onPause()
Log.d("Life", "onPause")
}
override fun onResume() {
super.onResume()
Log.d("Life", "onResume")
}
override fun onStop() {
super.onStop()
Log.d("Life", "onStop")
}
override fun onDestroy() {
super.onDestroy()
Log.d("Life", "onDestroy")
}
companion object {
fun startActivity(activity: Activity) {
var intent = Intent(activity, MainActivity::class.java)
activity.startActivity(intent)
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
Log.d("Life", "onActivityResult")
}
}
正常啟動(dòng) 走三個(gè)方法： onCreate onStart OnResume
2022-09-24 08:10:22.576 6654-6654/com.hgc.teststudy D/Life: onCreate
2022-09-24 08:10:22.578 6654-6654/com.hgc.teststudy D/Life: onStart
2022-09-24 08:10:22.580 6654-6654/com.hgc.teststudy D/Life: onResume
按下息屏鍵：
2022-09-24 08:13:33.104 6654-6654/com.hgc.teststudy D/Life: onPause
2022-09-24 08:13:33.125 6654-6654/com.hgc.teststudy D/Life: onStop
2022-09-24 08:13:33.129 6654-6654/com.hgc.teststudy D/Life: onSaveInstanceState
按下息屏鍵，在重新亮屏幕
2022-09-24 08:15:29.079 6654-6654/com.hgc.teststudy D/Life: onRestart
2022-09-24 08:15:29.082 6654-6654/com.hgc.teststudy D/Life: onStart
2022-09-24 08:15:29.083 6654-6654/com.hgc.teststudy D/Life: onResume
按下home鍵
2022-09-24 08:16:06.187 6654-6654/com.hgc.teststudy D/Life: onPause
2022-09-24 08:16:06.918 6654-6654/com.hgc.teststudy D/Life: onStop
2022-09-24 08:16:06.919 6654-6654/com.hgc.teststudy D/Life: onSaveInstanceState
按下home鍵，在重新啟動(dòng)
2022-09-24 08:18:40.083 6654-6654/com.hgc.teststudy D/Life: onRestart
2022-09-24 08:18:40.084 6654-6654/com.hgc.teststudy D/Life: onStart
2022-09-24 08:18:40.084 6654-6654/com.hgc.teststudy D/Life: onResume
按下返回鍵
2022-09-24 08:19:05.625 6654-6654/com.hgc.teststudy D/Life: onPause
2022-09-24 08:19:06.199 6654-6654/com.hgc.teststudy D/Life: onStop
2022-09-24 08:19:06.200 6654-6654/com.hgc.teststudy D/Life: onDestroy
按下返回鍵扔亥，在重新啟動(dòng)
2022-09-24 08:19:32.008 6654-6654/com.hgc.teststudy D/Life: onCreate
2022-09-24 08:19:32.013 6654-6654/com.hgc.teststudy D/Life: onStart
2022-09-24 08:19:32.014 6654-6654/com.hgc.teststudy D/Life: onResume
跳轉(zhuǎn)一個(gè)LifeSecondActivity
2022-09-24 08:22:16.392 9977-9977/com.hgc.teststudy D/Life: onPause
2022-09-24 08:22:16.508 9977-9977/com.hgc.teststudy D/LifeSecondActivity: onCreate
2022-09-24 08:22:16.511 /com.hgc.teststudy D/LifeSecondActivity: onStart
2022-09-24 08:22:16.512 /com.hgc.teststudy D/LifeSecondActivity: onResume
2022-09-24 08:22:16.980 9977-9977/com.hgc.teststudy D/Life: onStop
2022-09-24 08:22:16.980 9977-9977/com.hgc.teststudy D/Life: onSaveInstanceState
跳轉(zhuǎn)一個(gè)LifeSecondActivity能耻，在跳回來(lái)
2022-09-24 08:38:23.458 14295-14295/com.hgc.teststudy D/LifeSecondActivity: onPause
2022-09-24 08:38:23.482 14295-14295/com.hgc.teststudy D/Life: onCreate
2022-09-24 08:38:23.484 14295-14295/com.hgc.teststudy D/Life: onStart
2022-09-24 08:38:23.484 14295-14295/com.hgc.teststudy D/Life: onResume
2022-09-24 08:38:23.939 14295-14295/com.hgc.teststudy D/LifeSecondActivity: onStop
2022-09-24 08:38:23.939 14295-14295/com.hgc.teststudy D/LifeSecondActivity: onSaveInstanceState
跳轉(zhuǎn)一個(gè)LifeSecondActivity内列，返回鍵回來(lái)
2022-09-24 08:54:38.111 17916-17916/com.hgc.teststudy D/LifeSecondActivity: onPause
2022-09-24 08:54:38.137 17916-17916/com.hgc.teststudy D/Life: onRestart
2022-09-24 08:54:38.139 17916-17916/com.hgc.teststudy D/Life: onStart
2022-09-24 08:54:38.140 17916-17916/com.hgc.teststudy D/Life: onResume
2022-09-24 08:54:38.608 17916-17916/com.hgc.teststudy D/LifeSecondActivity: onStop
2022-09-24 08:54:38.609 17916-17916/com.hgc.teststudy D/LifeSecondActivity: onDestroy
跳轉(zhuǎn)一個(gè)透明的LifeSecondActivity
2022-09-24 08:27:44.575 11498-11498/com.hgc.teststudy D/Life: onPause
2022-09-24 08:27:44.600 11498-11498/com.hgc.teststudy D/LifeSecondActivity: onCreate
2022-09-24 08:27:44.602 11498-11498/com.hgc.teststudy D/LifeSecondActivity: onStart
2022-09-24 08:27:44.602 11498-11498/com.hgc.teststudy D/LifeSecondActivity: onResume
跳轉(zhuǎn)一個(gè)透明的LifeSecondActivity孽锥，在跳回來(lái)
2022-09-24 08:41:09.291 14966-14966/com.hgc.teststudy D/LifeSecondActivity: onPause
2022-09-24 08:41:09.309 14966-14966/com.hgc.teststudy D/Life: onCreate
2022-09-24 08:41:09.311 14966-14966/com.hgc.teststudy D/Life: onStart
2022-09-24 08:41:09.312 14966-14966/com.hgc.teststudy D/Life: onResume
2022-09-24 08:41:09.764 14966-14966/com.hgc.teststudy D/Life: onStop
2022-09-24 08:41:09.765 14966-14966/com.hgc.teststudy D/Life: onSaveInstanceState
2022-09-24 08:41:09.767 14966-14966/com.hgc.teststudy D/LifeSecondActivity: onStop
2022-09-24 08:41:09.767 14966-14966/com.hgc.teststudy D/LifeSecondActivity: onSaveInstanceState
跳轉(zhuǎn)一個(gè)透明的LifeSecondActivity咐汞，返回鍵回來(lái)
2022-09-24 08:55:53.078 18440-18440/com.hgc.teststudy D/LifeSecondActivity: onPause
2022-09-24 08:55:53.110 18440-18440/com.hgc.teststudy D/Life: onResume
2022-09-24 08:55:53.113 18440-18440/com.hgc.teststudy D/LifeSecondActivity: onStop
2022-09-24 08:55:53.114 18440-18440/com.hgc.teststudy D/LifeSecondActivity: onDestroy
onNewIntent
單例模式(singleInstance) 1.第二次調(diào)用的時(shí)候才會(huì)回掉
2022-09-24 09:02:10.156 20029-20029/com.hgc.teststudy D/LifeSecondActivity: onRestart
2022-09-24 09:02:10.157 20029-20029/com.hgc.teststudy D/LifeSecondActivity: onStart
2022-09-24 09:02:10.158 20029-20029/com.hgc.teststudy D/LifeSecondActivity: onNewIntent
2022-09-24 09:02:10.158 20029-20029/com.hgc.teststudy D/LifeSecondActivity: onResume
onNewIntent
singleTask 1.同理第二次調(diào)用的時(shí)候才會(huì)回掉
由此可見(jiàn)onNewIntent在第二次跳到已經(jīng)有的activity才會(huì)調(diào)用
onRestoreInstanceState
只有在activity被系統(tǒng)回收概行，重新創(chuàng)建activity的情況下才會(huì)被調(diào)用蠢挡。
橫屏切豎屏
2022-09-24 09:11:13.208 22081-22081/com.hgc.teststudy D/Life: onPause
2022-09-24 09:11:13.209 22081-22081/com.hgc.teststudy D/Life: onStop
2022-09-24 09:11:13.209 22081-22081/com.hgc.teststudy D/Life: onSaveInstanceState
2022-09-24 09:11:13.209 22081-22081/com.hgc.teststudy D/Life: onDestroy
2022-09-24 09:11:13.250 22081-22081/com.hgc.teststudy D/Life: onCreate
2022-09-24 09:11:13.260 22081-22081/com.hgc.teststudy D/Life: onStart
2022-09-24 09:11:13.260 22081-22081/com.hgc.teststudy D/Life: onRestoreInstanceState
2022-09-24 09:11:13.261 22081-22081/com.hgc.teststudy D/Life: onResume
豎屏切橫屏
2022-09-24 09:12:59.049 22419-22419/com.hgc.teststudy D/Life: onPause
2022-09-24 09:12:59.050 22419-22419/com.hgc.teststudy D/Life: onStop
2022-09-24 09:12:59.050 22419-22419/com.hgc.teststudy D/Life: onSaveInstanceState
2022-09-24 09:12:59.050 22419-22419/com.hgc.teststudy D/Life: onDestroy
2022-09-24 09:12:59.076 22419-22419/com.hgc.teststudy D/Life: onCreate
2022-09-24 09:12:59.080 22419-22419/com.hgc.teststudy D/Life: onStart
2022-09-24 09:12:59.080 22419-22419/com.hgc.teststudy D/Life: onRestoreInstanceState
2022-09-24 09:12:59.081 22419-22419/com.hgc.teststudy D/Life: onResume
橫屏切豎屏 清單配置 給Acitivty設(shè)置對(duì)配置不敏感 android:configChanges="keyboardHidden|screenSize|orientation"
不會(huì)再走，任何生命周期
安卓生命周期
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