【Android】Activity生命周期(Normal,Dialog)

喜欢ヅ旅行 2022-11-17 03:43 108阅读 0赞

### Activity生命周期-Normal,Dialog ###

> **代码**

*  **Menifest:**

*  **Kotlin:**

`MainLIfeActivity:`

class MainLifeActivity : AppCompatActivity() {
        private val tag = "MainLife"
    
        private lateinit var mainBinding: ActivityLifeMainBinding
        override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            Log.d(tag,"onCreate")
            mainBinding = ActivityLifeMainBinding.inflate(layoutInflater)
            setContentView(mainBinding.root)
    
            mainBinding.mainStartNormal.setOnClickListener {
                val intent = Intent(this, NormalLifeActivity::class.java)
                startActivity(intent)
            }
            mainBinding.mainStartDialog.setOnClickListener {
                val intent = Intent(this, DialogLifeActivity::class.java)
                startActivity(intent)
            }
        }
    
        override fun onStart() {
           super.onStart()
           Log.d(tag,"onStart")
       }
    
       override fun onStop() {
           super.onStop()
           Log.d(tag,"onStop")
       }
    
       override fun onDestroy() {
           super.onDestroy()
           Log.d(tag,"onDestroy")
       }
    
       override fun onResume() {
           super.onResume()
           Log.d(tag,"onResume")
       }
    
       override fun onPause() {
           super.onPause()
           Log.d(tag,"onPause")
       }
    
       override fun onRestart() {
           super.onRestart()
           Log.d(tag,"onRestart")
       }
    }

`NormalLifeActivity,DialogLifeActivity:`

class NormalLifeActivity: AppCompatActivity() {
        private lateinit var normalBinding: ActivityLifeNormalBinding
        override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            normalBinding= ActivityLifeNormalBinding.inflate(layoutInflater)
            setContentView(normalBinding.root)
        }
    }

class DialogLifeActivity: AppCompatActivity() {
    
        private lateinit var dialogBinding: ActivityLifeDialogBinding
        override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            dialogBinding= ActivityLifeDialogBinding.inflate(layoutInflater)
            setContentView(dialogBinding.root)
        }
    }

*  **Layout**

`很简单,懒得贴了...`

--------------------

> **效果**

`启动:`  
![在这里插入图片描述][20210408102835879.png]  
`点击Normal页面:`  
![在这里插入图片描述][20210408102923398.png]  
`再返回:`  
![在这里插入图片描述][20210408103002936.png]

--------------------

`点击Dialog页面:`  
![在这里插入图片描述][20210408103124254.png]  
`再返回:`  
![在这里插入图片描述][20210408103201265.png]

--------------------

`最后退出程序:`  
![在这里插入图片描述][20210408103321761.png]  
`删除后台:`

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjQ3MzIyOA_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][20210408103411494.png]

[20210408102835879.png]: /images/20221022/17d1e3b7111144a2a7546a4dbd084c10.png
[20210408102923398.png]: /images/20221022/12b1809cddf549fcae8befc0f93fbdae.png
[20210408103002936.png]: /images/20221022/b775e3e4f9bc452eace6b57ce5f7c3d7.png
[20210408103124254.png]: /images/20221022/63fcd383d9cc4c2cbe9819ed197673a7.png
[20210408103201265.png]: /images/20221022/40e3a4e712bd4715a32b1f674f44630c.png
[20210408103321761.png]: /images/20221022/f8041678d3bd472fbd973c26cdf0abd9.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjQ3MzIyOA_size_16_color_FFFFFF_t_70]: /images/20221022/e3d2d470d17d452d9524dc8ff1b4270f.png
[20210408103411494.png]: /images/20221022/186b27c0e9cd4711b8466bbb7b9d23a4.png