adding a database for storing clips

app/build.gradle

@@ -65,4 +65,8 @@ android {
 
 dependencies {
     implementation 'com.github.SimpleMobileTools:Simple-Commons:db3561b188'
+
+    kapt 'androidx.room:room-compiler:2.3.0'
+    implementation 'androidx.room:room-runtime:2.3.0'
+    annotationProcessor 'androidx.room:room-compiler:2.3.0'
 }

app/src/main/kotlin/com/simplemobiletools/keyboard/databases/ClipsDatabase.kt

@@ -0,0 +1,34 @@
+package com.simplemobiletools.keyboard.databases
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import com.simplemobiletools.keyboard.interfaces.ClipsDao
+import com.simplemobiletools.keyboard.models.Clip
+
+@Database(entities = [Clip::class], version = 1)
+abstract class ClipsDatabase : RoomDatabase() {
+
+    abstract fun ClipsDao(): ClipsDao
+
+    companion object {
+        private var db: ClipsDatabase? = null
+
+        fun getInstance(context: Context): ClipsDatabase {
+            if (db == null) {
+                synchronized(ClipsDatabase::class) {
+                    if (db == null) {
+                        db = Room.databaseBuilder(context.applicationContext, ClipsDatabase::class.java, "clips.db").build()
+                        db!!.openHelper.setWriteAheadLoggingEnabled(true)
+                    }
+                }
+            }
+            return db!!
+        }
+
+        fun destroyInstance() {
+            db = null
+        }
+    }
+}

app/src/main/kotlin/com/simplemobiletools/keyboard/extensions/Context.kt

@@ -1,6 +1,10 @@
 package com.simplemobiletools.keyboard.extensions
 
 import android.content.Context
+import com.simplemobiletools.keyboard.databases.ClipsDatabase
 import com.simplemobiletools.keyboard.helpers.Config
+import com.simplemobiletools.keyboard.interfaces.ClipsDao
 
 val Context.config: Config get() = Config.newInstance(applicationContext)
+
+val Context.clipsDB: ClipsDao get() = ClipsDatabase.getInstance(applicationContext).ClipsDao()

app/src/main/kotlin/com/simplemobiletools/keyboard/interfaces/ClipsDao.kt

@@ -0,0 +1,16 @@
+package com.simplemobiletools.keyboard.interfaces
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.simplemobiletools.keyboard.models.Clip
+
+@Dao
+interface ClipsDao {
+    @Query("SELECT * FROM clips ORDER BY id")
+    fun getClips(): List<Clip>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insertOrUpdate(clip: Clip): Long
+}

app/src/main/kotlin/com/simplemobiletools/keyboard/models/Clip.kt

@@ -0,0 +1,12 @@
+package com.simplemobiletools.keyboard.models
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "clips", indices = [(Index(value = ["id"], unique = true))])
+data class Clip(
+    @PrimaryKey(autoGenerate = true) var id: Long?,
+    @ColumnInfo(name = "value") var value: String
+)

app/src/main/kotlin/com/simplemobiletools/keyboard/views/MyKeyboardView.kt

@@ -355,7 +355,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
         mClipboardManagerHolder!!.apply {
             clipboard_manager_close.setOnClickListener {
                 vibrateIfNeeded()
-                mClipboardManagerHolder!!.clipboard_manager_holder.beGone()
+                openClipboardManager()
             }
         }
     }
@@ -1295,6 +1295,10 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
         return true
     }
 
+    private fun openClipboardManager() {
+        mClipboardManagerHolder!!.clipboard_manager_holder.beGone()
+    }
+
     private fun closing() {
         if (mPreviewPopup.isShowing) {
             mPreviewPopup.dismiss()