Add TODO app

app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "uk.kagurach.android101"
         minSdk = 31
         targetSdk = 34
-        versionCode = 132
+        versionCode = 140
-        versionName = "1.3.2"
+        versionName = "1.4.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -33,16 +33,50 @@ android {
     kotlinOptions {
         jvmTarget = "17"
     }
+    buildFeatures {
+        compose = true
+        viewBinding = true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.1"
+    }
+    androidResources {
+        generateLocaleConfig = true
+    }
 }
 
 dependencies {
-
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.ui)
+    implementation(libs.androidx.ui.graphics)
+    implementation(libs.androidx.ui.tooling.preview)
+    implementation(libs.androidx.material3)
+    implementation(libs.androidx.room.common)
+    implementation(libs.androidx.room.ktx)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.annotation)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+
     testImplementation(libs.junit)
+
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
+
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.ui.test.junit4)
+
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
 }

app/src/main/AndroidManifest.xml

@@ -14,15 +14,6 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Android101"
         tools:targetApi="31">
-        <activity
-            android:name=".Page4"
-            android:exported="false" />
-        <activity
-            android:name=".Page3"
-            android:exported="false" />
-        <activity
-            android:name=".MainActivity2"
-            android:exported="false" />
         <activity
             android:name=".MainActivity"
             android:exported="true">
@@ -32,6 +23,37 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".Page4"
+            android:exported="false" />
+        <activity
+            android:name=".Page3"
+            android:exported="false" />
+        <activity
+            android:name=".MainActivity2"
+            android:exported="false" />
+
+        <activity
+            android:name=".todoList.AddPage"
+            android:exported="false"
+            android:label="@string/title_activity_add_page"
+            android:theme="@style/Theme.TODOList" />
+        <activity
+            android:name=".todoList.MainActivity"
+            android:exported="true"
+            android:label="todoListMain"
+            android:theme="@style/Theme.TODOList">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <meta-data android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
+        </activity>
+
+
+
+
     </application>
 
 </manifest>

app/src/main/java/uk/kagurach/android101/MainActivity.java

@@ -1,9 +1,15 @@
 package uk.kagurach.android101;
 
 import android.Manifest;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
 import android.os.Build;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
@@ -17,6 +23,8 @@ import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+import java.util.Arrays;
+
 public class MainActivity extends AppCompatActivity {
     PageHelper pageHelper;
     @Override
@@ -29,6 +37,7 @@ public class MainActivity extends AppCompatActivity {
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
             return insets;
         });
+
     }
 
     @Override
@@ -50,6 +59,7 @@ public class MainActivity extends AppCompatActivity {
                                 101);
             }
             textViewAppendString(tv,"Check Finished");
+            textViewAppendString(tv,"提示：常桉有惊喜");
         }
         textViewAppendString(tv,"*************************\nfinished");
 
@@ -58,10 +68,8 @@ public class MainActivity extends AppCompatActivity {
 
         Button button = findViewById(R.id.Page1NextPage);
         button.setEnabled(true);
-    }
+        button.setOnClickListener(pageHelper.pageButtonHandler);
-
+        button.setOnLongClickListener(new LongClickHandler(this));
-    public void jumpToNext(View view) {
-        pageHelper.goNext();
     }
 
     private void textViewAppendString(@NonNull TextView tv, String s){
@@ -72,4 +80,41 @@ public class MainActivity extends AppCompatActivity {
         last += s;
         tv.setText(last);
     }
+    private final class LongClickHandler implements View.OnLongClickListener
+    {
+        LongClickHandler(Context ctx){
+            context = ctx;
+        }
+        Context context;
+
+
+        @Override
+        public boolean onLongClick(View v){
+            CreateShortcut(context);
+            return false;
+        }
+    }
+    private void CreateShortcut(Context context) {
+        ShortcutManager shortcutManager =
+                this.getSystemService(ShortcutManager.class);
+        if (shortcutManager.isRequestPinShortcutSupported()) {
+            ShortcutInfo pinShortcutInfo;
+            try {
+                pinShortcutInfo =
+                        new ShortcutInfo.Builder(context, "start_TODO").build();
+            }catch (Exception e){
+                Log.e("ShortCutManager", Arrays.toString(e.getStackTrace()));
+                return;
+            }
+
+            Intent pinnedShortcutCallbackIntent =
+                    shortcutManager.createShortcutResultIntent(pinShortcutInfo);
+
+            PendingIntent successCallback = PendingIntent.getBroadcast(context, 0,
+                    pinnedShortcutCallbackIntent, PendingIntent.FLAG_IMMUTABLE);
+
+            shortcutManager.requestPinShortcut(pinShortcutInfo,
+                    successCallback.getIntentSender());
+        }
+    }
 }

app/src/main/java/uk/kagurach/android101/MainActivity2.java

@@ -62,7 +62,7 @@ public class MainActivity2 extends AppCompatActivity {
 
     public void setColor(View view) {
         TextView t = findViewById(R.id.test2strview);
-        EditText r_edit = findViewById(R.id.R);
+        EditText r_edit = findViewById(R.id.EditText_R);
         EditText g_edit = findViewById(R.id.G);
         EditText b_edit = findViewById(R.id.B);
 

app/src/main/java/uk/kagurach/android101/todoList/AddPage.kt

@@ -0,0 +1,185 @@
+package uk.kagurach.android101.todoList
+
+import android.content.Intent
+import android.icu.util.Calendar
+import android.os.Bundle
+import android.view.MotionEvent
+import android.view.inputmethod.InputMethodManager
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material3.DatePicker
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FabPosition
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TimePicker
+import androidx.compose.material3.TimePickerState
+import androidx.compose.material3.rememberDatePickerState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
+import uk.kagurach.android101.R
+import uk.kagurach.android101.todoList.ui.theme.LightBlue100
+import java.text.SimpleDateFormat
+
+
+class AddPage() : ComponentActivity() {
+    var item: TodoItem? = null
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        setContent {
+            // A surface container using the 'background' color from the theme
+            Surface(
+                modifier = Modifier.fillMaxSize(),
+            ) {
+                AddPageLayout()
+            }
+        }
+    }
+
+    // Fix Input Method
+    override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
+        if (currentFocus != null) {
+            val imm = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
+            imm.hideSoftInputFromWindow(currentFocus!!.windowToken, 0)
+        }
+        return super.dispatchTouchEvent(ev)
+    }
+
+    @OptIn(ExperimentalMaterial3Api::class)
+    @Composable
+    fun AddPageLayout(){
+        val context = LocalContext.current
+
+        var title by remember {
+            mutableStateOf(
+                when (item){
+                    null -> ""
+                    else -> item!!.title
+                }
+            )
+        }
+        val c = Calendar.getInstance()
+
+        val timePickerState by remember {
+            mutableStateOf(
+                when (item){
+                    null -> TimePickerState(c.get(Calendar.HOUR_OF_DAY),c.get(Calendar.MINUTE),true)
+                    else -> TimePickerState(
+                        item!!.dueDate.split(" ")[1].split(":")[0].toInt(),
+                        item!!.dueDate.split(" ")[1].split(":")[1].toInt(),
+                        true
+                    )
+                }
+            )
+        }
+
+        val datePickerState = rememberDatePickerState(
+            initialDisplayedMonthMillis = System.currentTimeMillis(),
+            yearRange = 2024..2099
+        )
+        Scaffold (
+            topBar = {
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(50.dp),
+                ) {
+                    Text(
+                        text = context.getText(R.string.edit_page_title).toString(),
+                        fontSize = 30.sp,
+                        textAlign = TextAlign.Center
+                    )
+                }
+            },
+            content = { padding ->
+                Column(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .verticalScroll(rememberScrollState())
+                        .padding(padding)
+                ) {
+                    TextField(
+                        value = title,
+                        onValueChange = { title = it },
+                        label = { Text(context.getText(R.string.enter_title).toString()) },
+                        maxLines = 1,
+                        modifier = Modifier
+                            .height(80.dp)
+                            .fillMaxWidth()
+                    )
+                    Box(
+                        modifier = Modifier.padding(top = 15.dp, bottom = 15.dp),
+                        contentAlignment = Alignment.CenterStart
+                    ) {
+                        DatePicker(state = datePickerState)
+                    }
+                    TimePicker(
+                        state = timePickerState,
+                        modifier = Modifier.padding(start = 70.dp)
+                    )
+                }
+            },
+            floatingActionButtonPosition = FabPosition.End,
+            floatingActionButton = {
+                Submit {
+                    if (title.isBlank()||datePickerState.selectedDateMillis==null){
+                        Toast.makeText(context,"Please Fill Every field",Toast.LENGTH_SHORT)
+                            .show()
+                        return@Submit
+                    }
+                    val loader = TodoItemLoader(context)
+                    val sdf = SimpleDateFormat("yyyy-MM-dd")
+
+
+                    val todoItem = TodoItem(
+                         loader.getLastId()+1,
+                            title.replace("\t","    "),
+                                sdf.format(datePickerState.selectedDateMillis) + " " +
+                                timePickerState.hour.toString() + ":" +
+                                timePickerState.minute.toString()
+                            )
+                    loader.changeItem(todoItem)
+                    val myIntent = Intent(context, MainActivity::class.java)
+                    ContextCompat.startActivity(context, myIntent, null)
+                }
+            },
+        )
+
+    }
+
+    @Composable
+    fun Submit(onClick: () -> Unit) {
+        FloatingActionButton(
+            onClick = { onClick() },
+            containerColor = LightBlue100
+        ) {
+            Icon(Icons.Filled.Add, "Submit")
+        }
+    }
+}

app/src/main/java/uk/kagurach/android101/todoList/MainActivity.kt

@@ -0,0 +1,85 @@
+package uk.kagurach.android101.todoList
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FabPosition
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.core.content.ContextCompat
+import uk.kagurach.android101.todoList.ui.theme.LightBlue100
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        val loader = TodoItemLoader(this)
+        val tmpList = loader.getTodoItems()
+        super.onCreate(savedInstanceState)
+        setContent {
+            LayOut(tmpList)
+        }
+    }
+}
+
+    @OptIn(ExperimentalMaterial3Api::class)
+    @Composable
+    fun LayOut(tmpList : List<TodoItem>?) {
+        val context = LocalContext.current
+
+        Scaffold (
+            topBar = {
+                TopAppBar(
+                    title = { Text("Simple TODO ^_^") }
+                )
+            },
+            content = {
+                padding ->
+                    Surface(
+                        modifier = Modifier.padding(padding)
+                            .verticalScroll(rememberScrollState())
+                    ) {
+                        if (tmpList != null) {
+                            Column {
+                                for (i in tmpList) {
+                                    TodoItemView(todoItem = i)
+                                }
+                            }
+                        }
+                    }
+            },
+            floatingActionButtonPosition = FabPosition.End,
+            floatingActionButton = {
+                NextPage {
+                    val myIntent = Intent(context, AddPage::class.java)
+                    ContextCompat.startActivity(context, myIntent, null)
+                }
+            },
+        )
+
+    }
+
+    @Composable
+    fun NextPage(onClick: () -> Unit) {
+        FloatingActionButton(
+            onClick = { onClick() },
+            containerColor = LightBlue100
+        ) {
+            Icon(Icons.Filled.Add, "Floating action button.")
+        }
+    }
+
+

app/src/main/java/uk/kagurach/android101/todoList/TodoItem.kt

@@ -0,0 +1,17 @@
+package uk.kagurach.android101.todoList
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class TodoItem(
+    @PrimaryKey(autoGenerate = true)
+    val id: Int,
+
+    var title: String,
+    var dueDate: String,
+
+    var isCompleted:Boolean = false,
+
+    var MarkDeleted:Boolean = false
+)

app/src/main/java/uk/kagurach/android101/todoList/TodoItemLoader.kt

@@ -0,0 +1,106 @@
+package uk.kagurach.android101.todoList
+
+import android.content.Context
+import android.util.Log
+import java.io.File
+import java.io.FileWriter
+
+class TodoItemLoader(private val context: Context) {
+    private val db = File(context.filesDir,"db")
+
+    public fun getTodoItems(): List<TodoItem>?{
+        if (!db.exists()){
+            return null
+        }
+        val lines = db.readLines()
+        if (lines.isEmpty()){
+            return null
+        }
+
+        var list: List<TodoItem> = listOf()
+        for (line in lines){
+            val split = line.split("\t")
+            val item: TodoItem
+            try {
+                item = TodoItem(split[0].toInt(),split[1],split[2], split[3].toBooleanStrict())
+                list = list + item
+            } catch (e: Exception){
+                Log.e("DB Error", e.printStackTrace().toString())
+            }
+        }
+        if (list.isNotEmpty()){
+            return list
+        }
+        return null
+    }
+
+    public fun saveTodoItems(list:List<TodoItem>){
+        var result = ""
+        for (i in list){
+            if(!i.MarkDeleted) {
+                result += "%s\t%s\t%s\t%s\n".format(
+                    i.id.toString(),
+                    i.title,
+                    i.dueDate,
+                    i.isCompleted.toString()
+                )
+            }
+        }
+        val fileWriter = FileWriter(db)
+        fileWriter.write(result)
+        fileWriter.close()
+    }
+
+    public fun getLastId():Int{
+        val items = getTodoItems();
+        return if (items==null){
+            0
+        }else{
+            var max = 0
+            for (i in items){
+                if (i.id>max){
+                    max = i.id
+                }
+            }
+            max
+        }
+    }
+
+    public fun changeItem(todoItem: TodoItem){
+        var items = getTodoItems()
+        var changeFlag = false
+        if (items != null) {
+            for (i in items){
+                if (i.id==todoItem.id){
+                    i.title = todoItem.title
+                    i.dueDate = todoItem.dueDate
+                    i.MarkDeleted = todoItem.MarkDeleted
+                    i.isCompleted = todoItem.isCompleted
+                    changeFlag = true
+                    break
+                }
+            }
+            if (!changeFlag){
+                items = items + todoItem
+            }
+        }else{
+            items = listOf(todoItem)
+        }
+        saveTodoItems(items)
+    }
+
+    public fun searchItem(id:Int): TodoItem?{
+        val items = getTodoItems();
+        return if (items==null){
+            null
+        }else{
+            for (i in items){
+                if (i.id>id){
+                    return i
+                }
+            }
+            null
+        }
+    }
+}
+

app/src/main/java/uk/kagurach/android101/todoList/TodoListView.kt

@@ -0,0 +1,167 @@
+package uk.kagurach.android101.todoList
+
+import android.content.Context
+import android.content.Intent
+import android.widget.Toast
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
+import uk.kagurach.android101.R
+import uk.kagurach.android101.todoList.ui.theme.Blue100
+import uk.kagurach.android101.todoList.ui.theme.Green100
+
+@Composable
+fun TodoItemView(todoItem: TodoItem) {
+    val context = LocalContext.current
+    val loader = TodoItemLoader(context)
+
+    var deleteText by remember {
+        mutableStateOf(context.getText(R.string.first_delete).toString())
+    }
+    var bgColor by remember {
+        mutableStateOf(
+            when (todoItem.isCompleted){
+                true -> Green100
+                false -> Blue100
+            }
+        )
+    }
+    var needShow by remember {
+        mutableStateOf(true)
+    }
+    if (!needShow){
+        return
+    }
+
+    Spacer(modifier = Modifier.height(10.dp))
+    Surface(
+        modifier = Modifier
+            .wrapContentSize()
+            .fillMaxWidth(),
+        shape = RoundedCornerShape(20.dp),
+        color = bgColor
+    ) {
+        Column(
+            modifier = Modifier.padding(
+                start = 10.dp,
+                end = 10.dp
+            )
+        ){
+            Text(
+                text = todoItem.title,
+                color = Color.Black,
+                fontSize = 30.sp,
+                fontFamily = FontFamily.Monospace
+            )
+            Row{
+                Spacer(modifier = Modifier.weight(1f))
+                Text(
+                    text = todoItem.dueDate,
+                    color = Color.Black,
+                    fontSize = 20.sp,
+                    fontFamily = FontFamily.SansSerif
+                )
+            }
+            Row {
+                TextButton(
+                    onClick = {
+                        if (!todoItem.isCompleted){
+                            Toast.makeText( context,
+                                context.getText(R.string.yes_not_finish)
+                                ,Toast.LENGTH_SHORT).show()
+                        }else{
+                            todoItem.isCompleted = false
+                            loader.changeItem(todoItem)
+                            bgColor = Blue100
+                        }
+                    },
+                    shape = RoundedCornerShape(0),
+                    modifier = Modifier.width(110.dp)
+                ) {
+                    Text(text = context.getText(R.string.unfinish).toString())
+                }
+                Spacer(modifier = Modifier.width(20.dp))
+                TextButton(
+                    onClick = {
+                        if (todoItem.isCompleted){
+                            Toast.makeText( context,
+                                context.getText(R.string.already_finish)
+                                ,Toast.LENGTH_SHORT).show()
+                        }else{
+                            todoItem.isCompleted = true
+                            loader.changeItem(todoItem)
+                            bgColor = Green100
+                        }
+                    },
+                    shape = RoundedCornerShape(0),
+                    modifier = Modifier.width(110.dp)
+                ) {
+                    Text(text = context.getText(R.string.finish).toString())
+                }
+                Spacer(modifier = Modifier.width(20.dp))
+                TextButton(
+                    onClick = {
+                        when (deleteText){
+                            context.getText(R.string.first_delete).toString() ->
+                                deleteText=context.getText(R.string.second_delete).toString()
+                            else -> {
+                                needShow = false
+                                todoItem.MarkDeleted = true
+                                loader.changeItem(todoItem)
+                            }
+                        }
+                    },
+                    shape = RoundedCornerShape(0),
+                    modifier = Modifier.width(110.dp)
+                ) {
+                    Text(
+                        text = deleteText
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun TodoItemPreview(){
+    val todoItem = TodoItem(
+        0,"Test TODO Item","2024-04-30 11:45",
+    )
+    val todoItem2 = TodoItem(
+        1,"测试喵","2024-11-01 22:33",true
+    )
+    Column {
+        TodoItemView(todoItem)
+        TodoItemView(todoItem2)
+    }
+}
+
+fun NextPage(context:Context,item: TodoItem) {
+    val myIntent = Intent(context, AddPage::class.java)
+    myIntent.putExtra("ITEM",item.id)
+    ContextCompat.startActivity(context, myIntent, null)
+}

app/src/main/java/uk/kagurach/android101/todoList/ui/theme/Color.kt

@@ -0,0 +1,10 @@
+package uk.kagurach.android101.todoList.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+
+val Green100 = Color(0xFFC8E6C9)
+val Blue100 = Color(0xFFBBDEFB)
+val Red100 = Color(0xFFFFCDD2)
+val LightBlue100 = Color(0xFFB2EBF2)
+val Yellow100 = Color(0xFFFFF9C4)

app/src/main/res/layout/activity_main2.xml

@@ -86,7 +86,7 @@
             android:orientation="horizontal">
 
             <EditText
-                android:id="@+id/R"
+                android:id="@+id/EditText_R"
                 android:layout_width="wrap_content"
                 android:layout_height="match_parent"
                 android:layout_weight="1"

app/src/main/res/resources.properties

@@ -0,0 +1 @@
+unqualifiedResLocale=zh-rCN

app/src/main/res/values-zh-rCN/strings.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Android 101</string>
+    <string name="already_finish">您已经完成了喵</string>
+    <string name="yes_not_finish">呜呜您还没完成呢</string>
+    <string name="finish">做完了！</string>
+    <string name="unfinish">还没好！</string>
+    <string name="edit_page_title">修改您的TODO任务</string>
+    <string name="enter_title">标题</string>
+    <string name="first_delete">删除</string>
+    <string name="second_delete">确认删除</string>
+    <string name="todo_app">任务清单</string>
+    <string name="todo_app_short_label">启动任务清单</string>
+</resources>

app/src/main/res/values/strings.xml

@@ -1,12 +1,24 @@
 <resources>
+    <string name="todo_app">TODO List</string>
+    <string name="already_finish">You have already finished❤️</string>
+    <string name="yes_not_finish">You haven\'t finished😇</string>
+    <string name="finish">Finish</string>
+    <string name="unfinish">Not Finish</string>
+    <string name="title_activity_add_page" translatable="false">add_page</string>
+    <string name="edit_page_title">Edit Your TODO Item Here</string>
+    <string name="enter_title">Enter Title</string>
+    <string name="first_delete">Delete</string>
+    <string name="second_delete">Delete!!</string>
+
     <string name="app_name">Android101</string>
-    <string name="hello_world">你好,世界!</string>
+    <string name="hello_world" translatable="false">你好,世界!</string>
-    <string name="next_page">下一页</string>
+    <string name="next_page" translatable="false">下一页</string>
-    <string name="two_way_page">单击下一页，长按上一页</string>
+    <string name="two_way_page" translatable="false">单击下一页，长按上一页</string>
-    <string name="test_str">测试文本</string>
+    <string name="test_str" translatable="false">测试文本</string>
-    <string name="set_color">设置颜色</string>
+    <string name="set_color" translatable="false">设置颜色</string>
-    <string name="set">设置</string>
+    <string name="set" translatable="false">设置</string>
-    <string name="setText">设置文本</string>
+    <string name="setText" translatable="false">设置文本</string>
-    <string name="kaculate">弱智计算器</string>
+    <string name="kaculate" translatable="false">弱智计算器</string>
-    <string name="Backspace">退格</string>
+    <string name="Backspace" translatable="false">退格</string>
+    <string name="todo_app_short_label">Open TODO</string>
 </resources>

app/src/main/res/values/themes.xml

@@ -13,4 +13,8 @@
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
+    <style name="Theme.TODOList" parent="android:Theme.Material.Light.NoActionBar" />
+    <!-- Base application theme. -->
+    <style name="Base.Theme.TODOList" parent="Theme.Material3.DayNight.NoActionBar"/>
+
 </resources>

app/src/main/res/xml/shortcuts.xml

@@ -0,0 +1,17 @@
+<shortcuts xmlns:android="http://schemas.android.com/apk/res/android">
+    <shortcut
+        android:shortcutId="start_TODO"
+        android:enabled="true"
+        android:icon="@drawable/ic_launcher_background"
+        android:shortcutShortLabel="@string/todo_app_short_label"
+        android:shortcutLongLabel="@string/todo_app"
+        android:shortcutDisabledMessage="@string/todo_app">
+        <intent
+            android:action="android.intent.action.VIEW"
+            android:targetPackage="uk.kagurach.android101"
+            android:targetClass="uk.kagurach.android101.todoList.MainActivity" />
+        <categories android:name="android.shortcut.conversation" />
+        <capability-binding android:key="actions.intent.CREATE_MESSAGE" />
+    </shortcut>
+</shortcuts>
+  

gradle.properties

@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx4096m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. For more details, visit
 # https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects

gradle/libs.versions.toml

@@ -9,6 +9,16 @@ appcompat = "1.6.1"
 material = "1.11.0"
 activity = "1.8.0"
 constraintlayout = "2.1.4"
+lifecycleRuntimeKtx = "2.7.0"
+activityCompose = "1.8.2"
+composeBom = "2023.08.00"
+roomCommon = "2.6.1"
+roomKtx = "2.6.1"
+navigationFragmentKtx = "2.6.0"
+navigationUiKtx = "2.6.0"
+annotation = "1.6.0"
+lifecycleLivedataKtx = "2.7.0"
+lifecycleViewmodelKtx = "2.7.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -19,6 +29,23 @@ androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
 androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-room-common = { group = "androidx.room", name = "room-common", version.ref = "roomCommon" }
+androidx-room-ktx = { group = "androidx.room", name = "room-ktx", version.ref = "roomKtx" }
+androidx-navigation-fragment-ktx = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigationFragmentKtx" }
+androidx-navigation-ui-ktx = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigationUiKtx" }
+androidx-annotation = { group = "androidx.annotation", name = "annotation", version.ref = "annotation" }
+androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
+androidx-lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
 
 [plugins]
 androidApplication = { id = "com.android.application", version.ref = "agp" }