desc:首页检测内存容量

app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HomeActivity.kt

@@ -22,15 +22,20 @@ import com.yinuo.safetywatcher.watcher.constant.DELAY_TIME_CHECK_SENSOR
 import com.yinuo.safetywatcher.watcher.constant.DELAY_TIME_OPEN_CAMERA
 import com.yinuo.safetywatcher.watcher.port.GasUtils
 import com.yinuo.safetywatcher.watcher.services.HeartbeatService
+import com.yinuo.safetywatcher.watcher.ui.view.ConfirmDialog
 import com.yinuo.safetywatcher.watcher.utils.BatteryHelper
+import com.yinuo.safetywatcher.watcher.utils.LztekUtil
 import com.yinuo.safetywatcher.watcher.utils.SimHelper
 import com.yinuo.safetywatcher.watcher.utils.WifiHelper
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
+import java.io.File
 
 class HomeActivity : NoOptionsActivity() {
 
+    private var warnDialog: ConfirmDialog? = null
+
     private val mBinding: ActivityHomeBinding by lazy {
         ActivityHomeBinding.inflate(layoutInflater)
     }
@@ -78,6 +83,16 @@ class HomeActivity : NoOptionsActivity() {
                 itemSetting.requestFocus()
             }
         }
+
+        val cardAvailableSize = LztekUtil.getCardAvailableSize()
+        if (cardAvailableSize < 30) {
+            warnDialog =
+                ConfirmDialog("检测倒系统剩余存储空间较小，将影响视频录制，是否删除部分早期录像腾出空间？") {
+                    warnDialog?.dismiss()
+                    delSomeVideo()
+                }
+            warnDialog?.show(supportFragmentManager, "warn")
+        }
     }
 
     /**
@@ -210,6 +225,20 @@ class HomeActivity : NoOptionsActivity() {
         SimHelper.init(this@HomeActivity)
     }
 
+    private fun delSomeVideo() {
+        GlobalScope.launch {
+            val videoDao = DBUtils.videoDao()
+            val oldVideo = videoDao.getOldVideo()
+            try {
+                oldVideo?.forEach {
+                    File(it.path).delete()
+                }
+            } catch (e: Exception) {
+                LogUtils.v("delSomeVideo error, ${e.message}")
+            }
+        }
+    }
+
     override fun onDestroy() {
         super.onDestroy()
         BatteryHelper.release(this@HomeActivity)
@@ -217,6 +246,7 @@ class HomeActivity : NoOptionsActivity() {
         SimHelper.release(this@HomeActivity)
         mBinding.root?.removeCallbacks(reStartCamera)
         mRender?.onDestoryed()
+        warnDialog?.dismiss()
         Process.killProcess(Process.myPid())
     }
 

app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt

@@ -1,7 +1,7 @@
 package com.yinuo.safetywatcher.watcher.utils
 
+import android.os.StatFs
 import com.lztek.toolkit.Lztek
-import com.yinuo.library.vlc.PushHelper
 import java.math.BigInteger
 import java.security.MessageDigest
 
@@ -52,4 +52,22 @@ object LztekUtil {
         this.rtspUrl = str
         rtspUrl?.let { PushHelper.setPushUrl(it) }
     }
+
+    private fun getStorageCardPath(): String? {
+        return mLztek?.storageCardPath
+    }
+
+    private const val BYTE_GB = 1024 * 1024 * 1024
+
+    fun getCardAvailableSize(): Int {
+        val storageCardPath = getStorageCardPath()
+        storageCardPath?.let {
+            val statfs = StatFs(it)
+            val blocSize = statfs.blockSizeLong
+            val availableSize = statfs.availableBlocksLong * blocSize
+            val totalSize = statfs.blockCountLong * blocSize
+            return (availableSize / BYTE_GB).toInt()
+        }
+        return 0
+    }
 }

library-common/src/main/java/com/common/commonlib/db/dao/VideoDao.kt

@@ -15,6 +15,9 @@ interface VideoDao {
     @Query("SELECT * FROM video WHERE time BETWEEN :startTime AND :endTime")
     suspend fun getAllByTime(startTime: Long, endTime: Long): List<Video>
 
+    @Query("SELECT * FROM video LIMIT 50")
+    suspend fun getOldVideo(): List<Video>
+
     @Insert
     suspend fun insert(video: Video)