desc:创建数据库

app/build.gradle

@@ -60,6 +60,11 @@ dependencies {
     implementation rootProject.ext.dependencies.retrofit
     // 添加rxjava依赖
     implementation rootProject.ext.dependencies.rxjava
+    // room
+    var room_version = "2.5.0"
+    implementation("androidx.room:room-runtime:$room_version")
+    annotationProcessor("androidx.room:room-compiler:$room_version")
+    implementation("androidx.room:room-ktx:$room_version")
 
     implementation 'com.google.android.material:material:1.5.0'
     annotationProcessor 'androidx.lifecycle:lifecycle-compiler:2.0.0'

app/src/main/java/com/yinuo/safetywatcher/MainActivity.java

@@ -243,30 +243,30 @@ public class MainActivity extends AppCompatActivity {
     }
 
     public void onUVCCamera(View view) {
-//        Intent intent = new Intent(this, UVCActivity.class);
+        Intent intent = new Intent(this, UVCActivity.class);
 
 
 //        Intent intent = new Intent(this, ProVideoActivity.class);
 //        String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/mvtest.mp4";
 //        intent.putExtra("videoPath", path);
-//        startActivity(intent);
+        startActivity(intent);
-
+
-        List<List<SimpleCellValue>> allData = new ArrayList<>();
+//        List<List<SimpleCellValue>> allData = new ArrayList<>();
-        List<SimpleCellValue> row1 = new ArrayList<>();
+//        List<SimpleCellValue> row1 = new ArrayList<>();
-        row1.add(new SimpleCellValue("5.22"));
+//        row1.add(new SimpleCellValue("5.22"));
-        row1.add(new SimpleCellValue("1"));
+//        row1.add(new SimpleCellValue("1"));
-        row1.add(new SimpleCellValue("2"));
+//        row1.add(new SimpleCellValue("2"));
-        row1.add(new SimpleCellValue("3"));
+//        row1.add(new SimpleCellValue("3"));
-        List<SimpleCellValue> row2 = new ArrayList<>();
+//        List<SimpleCellValue> row2 = new ArrayList<>();
-        row2.add(new SimpleCellValue("5.23"));
+//        row2.add(new SimpleCellValue("5.23"));
-        row2.add(new SimpleCellValue("4"));
+//        row2.add(new SimpleCellValue("4"));
-        row2.add(new SimpleCellValue("5"));
+//        row2.add(new SimpleCellValue("5"));
-        row2.add(new SimpleCellValue("6"));
+//        row2.add(new SimpleCellValue("6"));
-
+//
-        allData.add(row1);
+//        allData.add(row1);
-        allData.add(row2);
+//        allData.add(row2);
-
+//
-        ExcelUtils.INSTANCE.writeStringListToExcel(allData, this);
+//        ExcelUtils.INSTANCE.writeStringListToExcel(allData, this);
     }
 
     public void OnSaveRecord(View view) {

app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt

@@ -5,7 +5,6 @@ import com.lztek.toolkit.Lztek
 import com.yinuo.safetywatcher.watcher.utils.LztekUtil
 
 class App : CommonApplication() {
-
     override fun onCreate() {
         super.onCreate()
         LztekUtil.setObject(Lztek.create(this))

app/src/main/java/com/yinuo/safetywatcher/watcher/db/AppDatabase.kt

@@ -0,0 +1,33 @@
+package com.yinuo.safetywatcher.watcher.db
+
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import com.common.commonlib.CommonApplication
+import com.yinuo.safetywatcher.watcher.db.dao.GasDao
+import com.yinuo.safetywatcher.watcher.db.dao.WarningDao
+import com.yinuo.safetywatcher.watcher.db.entity.Gas
+import com.yinuo.safetywatcher.watcher.db.entity.Warning
+
+@Database(entities = [Warning::class, Gas::class], version = 1)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun warningDao(): WarningDao
+    abstract fun gasDao(): GasDao
+}
+
+object DBUtils {
+    val db by lazy {
+        Room.databaseBuilder(
+            CommonApplication.getContext()!!,
+            AppDatabase::class.java, "watcher_db"
+        ).build()
+    }
+
+    fun warningDao(): WarningDao {
+        return db.warningDao()
+    }
+
+    fun gasDao(): GasDao {
+        return db.gasDao()
+    }
+}

app/src/main/java/com/yinuo/safetywatcher/watcher/db/dao/GasDao.kt

@@ -0,0 +1,26 @@
+package com.yinuo.safetywatcher.watcher.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import com.yinuo.safetywatcher.watcher.db.entity.Gas
+import com.yinuo.safetywatcher.watcher.db.entity.Warning
+
+@Dao
+interface GasDao {
+    @Query("SELECT * FROM gas")
+    suspend fun getAll(): List<Gas>
+
+    @Query("SELECT * FROM gas WHERE gas_name IS :name AND time BETWEEN :startTime AND :endTime")
+    suspend fun findByName(name: String, startTime: Long, endTime: Long): List<Warning>
+
+    @Insert
+    suspend fun insertAll(vararg gases: Gas)
+
+    @Insert
+    suspend fun insert(gas: Gas)
+
+    @Delete
+    suspend fun delete(gas: Gas)
+}

app/src/main/java/com/yinuo/safetywatcher/watcher/db/dao/WarningDao.kt

@@ -0,0 +1,25 @@
+package com.yinuo.safetywatcher.watcher.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import com.yinuo.safetywatcher.watcher.db.entity.Warning
+
+@Dao
+interface WarningDao {
+    @Query("SELECT * FROM warning")
+    suspend fun getAll(): List<Warning>
+
+    @Query("SELECT * FROM warning WHERE gas_name IS :name AND start_time BETWEEN :startTime AND :endTime")
+    suspend fun findByName(name: String, startTime: Long, endTime: Long): List<Warning>
+
+    @Insert
+    suspend fun insertAll(vararg warnings: Warning)
+
+    @Insert
+    suspend fun insert(warning: Warning)
+
+    @Delete
+    suspend fun delete(warning: Warning)
+}

app/src/main/java/com/yinuo/safetywatcher/watcher/db/entity/Gas.kt

@@ -0,0 +1,16 @@
+package com.yinuo.safetywatcher.watcher.db.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Gas(
+    @PrimaryKey val id: Int,
+    @ColumnInfo(name = "time") val time: Long,
+    @ColumnInfo(name = "gas_name") val gasName: String,
+    @ColumnInfo(name = "gas_value") val gasValue: Double,
+    @ColumnInfo(name = "unit") val unit: String,
+    @ColumnInfo(name = "threshold_low") val thresholdLow: Double,
+    @ColumnInfo(name = "threshold_high") val thresholdHigh: Double,
+)

app/src/main/java/com/yinuo/safetywatcher/watcher/db/entity/Warning.kt

@@ -0,0 +1,17 @@
+package com.yinuo.safetywatcher.watcher.db.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Warning(
+    @PrimaryKey val id: Int,
+    @ColumnInfo(name = "gas_name") val gasName: String,
+    @ColumnInfo(name = "gas_value") val gasValue: Double,
+    @ColumnInfo(name = "unit") val unit: String,
+    @ColumnInfo(name = "threshold_low") val thresholdLow: Double,
+    @ColumnInfo(name = "threshold_high") val thresholdHigh: Double,
+    @ColumnInfo(name = "start_time") val startTime: Long,
+    @ColumnInfo(name = "end_time") val endTime: Long,
+)