diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..603b140 --- /dev/null +++ b/.gitignore @@ -0,0 +1,14 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml new file mode 100644 index 0000000..88ea3aa --- /dev/null +++ b/.idea/codeStyles/Project.xml @@ -0,0 +1,122 @@ + + + + + + + + + +
+ + + + xmlns:android + + ^$ + + + +
+
+ + + + xmlns:.* + + ^$ + + + BY_NAME + +
+
+ + + + .*:id + + http://schemas.android.com/apk/res/android + + + +
+
+ + + + .*:name + + http://schemas.android.com/apk/res/android + + + +
+
+ + + + name + + ^$ + + + +
+
+ + + + style + + ^$ + + + +
+
+ + + + .* + + ^$ + + + BY_NAME + +
+
+ + + + .* + + http://schemas.android.com/apk/res/android + + + ANDROID_ATTRIBUTE_ORDER + +
+
+ + + + .* + + .* + + + BY_NAME + +
+ + + + + + + \ No newline at end of file diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml new file mode 100644 index 0000000..79ee123 --- /dev/null +++ b/.idea/codeStyles/codeStyleConfig.xml @@ -0,0 +1,5 @@ + + + + \ No newline at end of file diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..ac6b0ae --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,21 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 0000000..a5f05cd --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,25 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..7bfef59 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,9 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/render.experimental.xml b/.idea/render.experimental.xml new file mode 100644 index 0000000..8ec256a --- /dev/null +++ b/.idea/render.experimental.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml new file mode 100644 index 0000000..7f68460 --- /dev/null +++ b/.idea/runConfigurations.xml @@ -0,0 +1,12 @@ + + + + + + \ No newline at end of file diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..42afabf --- /dev/null +++ b/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/app/build.gradle b/app/build.gradle new file mode 100644 index 0000000..76c9862 --- /dev/null +++ b/app/build.gradle @@ -0,0 +1,47 @@ +apply plugin: 'com.android.application' +apply plugin: 'kotlin-android' +apply plugin: 'kotlin-android-extensions' +apply plugin: 'kotlin-kapt' + + +android { + compileSdkVersion 29 + buildToolsVersion "29.0.3" + + defaultConfig { + applicationId "com.example.room" + minSdkVersion 16 + targetSdkVersion 29 + versionCode 1 + versionName "1.0" + + testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" + } + + buildTypes { + release { + minifyEnabled false + proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' + } + } + + buildFeatures { + viewBinding = true + } +} + +dependencies { + implementation fileTree(dir: "libs", include: ["*.jar"]) + implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + implementation 'androidx.core:core-ktx:1.3.0' + implementation 'androidx.appcompat:appcompat:1.1.0' + implementation 'androidx.constraintlayout:constraintlayout:1.1.3' + testImplementation 'junit:junit:4.12' + androidTestImplementation 'androidx.test.ext:junit:1.1.1' + androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' + + //Room + implementation "androidx.room:room-runtime:2.2.5" + kapt "androidx.room:room-compiler:2.2.5" + +} \ No newline at end of file diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/app/src/androidTest/java/com/example/room/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/example/room/ExampleInstrumentedTest.kt new file mode 100644 index 0000000..017839d --- /dev/null +++ b/app/src/androidTest/java/com/example/room/ExampleInstrumentedTest.kt @@ -0,0 +1,24 @@ +package com.example.room + +import androidx.test.platform.app.InstrumentationRegistry +import androidx.test.ext.junit.runners.AndroidJUnit4 + +import org.junit.Test +import org.junit.runner.RunWith + +import org.junit.Assert.* + +/** + * Instrumented test, which will execute on an Android device. + * + * See [testing documentation](http://d.android.com/tools/testing). + */ +@RunWith(AndroidJUnit4::class) +class ExampleInstrumentedTest { + @Test + fun useAppContext() { + // Context of the app under test. + val appContext = InstrumentationRegistry.getInstrumentation().targetContext + assertEquals("com.example.room", appContext.packageName) + } +} \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..a60a606 --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,21 @@ + + + + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/java/com/example/room/MainActivity.kt b/app/src/main/java/com/example/room/MainActivity.kt new file mode 100644 index 0000000..0df00d6 --- /dev/null +++ b/app/src/main/java/com/example/room/MainActivity.kt @@ -0,0 +1,48 @@ +package com.example.room + +import androidx.appcompat.app.AppCompatActivity +import android.os.Bundle +import com.example.room.databinding.ActivityMainBinding +import java.util.ArrayList + +class MainActivity : AppCompatActivity() { + + lateinit var mainBinding: ActivityMainBinding + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + + mainBinding = ActivityMainBinding.inflate(layoutInflater) + setContentView(mainBinding.root) + + + val studentDatabase = StudentDatabase.getStudentDatabase(this) + + + mainBinding.buttonSave.setOnClickListener { + + val name = mainBinding.editTextStudentName.text.toString() + val grade = Integer.valueOf(mainBinding.editTextTextStudentGrade.text.toString()) + + val student = Student(studentName = name, studentGrade = grade) + studentDatabase?.studentDao()?.insert(student) + + } + + mainBinding.buttonAllStudent.setOnClickListener { + + var result = "" + + val students: ArrayList = + studentDatabase?.studentDao()?.getAllStudent() as ArrayList + + students.forEach { + + result += it.studentName + "->" + it.studentGrade + "\n" + } + + mainBinding.textViewResult.text = result + } + + } +} \ No newline at end of file diff --git a/app/src/main/java/com/example/room/Student.kt b/app/src/main/java/com/example/room/Student.kt new file mode 100644 index 0000000..ebd09d0 --- /dev/null +++ b/app/src/main/java/com/example/room/Student.kt @@ -0,0 +1,22 @@ +package com.example.room + +import androidx.room.ColumnInfo +import androidx.room.Entity +import androidx.room.PrimaryKey +import org.jetbrains.annotations.NotNull + +@Entity(tableName = "student") +data class Student( + + @PrimaryKey(autoGenerate = true) + @ColumnInfo(name = "studentId") + var studentId: Int = 0, + + @ColumnInfo(name = "studentName") + var studentName: String, + + @ColumnInfo(name = "studentGrade") + var studentGrade: Int +) + + diff --git a/app/src/main/java/com/example/room/StudentDAO.kt b/app/src/main/java/com/example/room/StudentDAO.kt new file mode 100644 index 0000000..03db60d --- /dev/null +++ b/app/src/main/java/com/example/room/StudentDAO.kt @@ -0,0 +1,19 @@ +package com.example.room + +import androidx.room.Dao +import androidx.room.Delete +import androidx.room.Insert +import androidx.room.Query + +@Dao +interface StudentDAO { + + @Insert + fun insert(student: Student) + + @Delete + fun delete(student: Student) + + @Query("SELECT*FROM student") + fun getAllStudent(): List +} \ No newline at end of file diff --git a/app/src/main/java/com/example/room/StudentDatabase.kt b/app/src/main/java/com/example/room/StudentDatabase.kt new file mode 100644 index 0000000..39488d8 --- /dev/null +++ b/app/src/main/java/com/example/room/StudentDatabase.kt @@ -0,0 +1,30 @@ +package com.example.room + +import android.content.Context +import androidx.room.Database +import androidx.room.Room +import androidx.room.RoomDatabase + + +@Database(entities = [Student::class], version = 1) +abstract class StudentDatabase : RoomDatabase() { + + abstract fun studentDao(): StudentDAO + + companion object { + private var instance: StudentDatabase? = null + + fun getStudentDatabase(context: Context): StudentDatabase? { + + if (instance == null) { + instance = Room.databaseBuilder( + context, + StudentDatabase::class.java, + "student.db" + ).allowMainThreadQueries() + .build() + } + return instance + } + } +} \ No newline at end of file diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml new file mode 100644 index 0000000..2b068d1 --- /dev/null +++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000..07d5da9 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml new file mode 100644 index 0000000..2b1722f --- /dev/null +++ b/app/src/main/res/layout/activity_main.xml @@ -0,0 +1,69 @@ + + + + + + + +