Initial commit: DuckAI Android app with WebView and search widget

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.duckai.app'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.duckai.app"
+        minSdk 31
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = '17'
+    }
+}
+
+dependencies {
+    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.11.0'
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.DuckAI">
+
+        <activity
+            android:name=".web.MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="duckai"
+                    android:host="search" />
+            </intent-filter>
+        </activity>
+
+        <receiver
+            android:name=".widget.SearchWidgetProvider"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/search_widget_info" />
+        </receiver>
+
+    </application>
+
+</manifest>

app/src/main/java/com/duckai/app/web/MainActivity.kt

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+package com.duckai.app.web
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+import com.duckai.app.R
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var webView: WebView
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        webView = findViewById(R.id.webView)
+        webView.settings.javaScriptEnabled = true
+        webView.webViewClient = WebViewClient()
+
+        val query = intent?.data?.getQueryParameter("q")
+        val url = if (query != null) {
+            "https://duck.ai/?q=${Uri.encode(query)}"
+        } else {
+            "https://duck.ai/"
+        }
+
+        webView.loadUrl(url)
+    }
+
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        this.intent = intent
+
+        val query = intent?.data?.getQueryParameter("q")
+        if (query != null) {
+            val url = "https://duck.ai/?q=${Uri.encode(query)}"
+            webView.loadUrl(url)
+        }
+    }
+}

app/src/main/java/com/duckai/app/widget/SearchWidgetProvider.kt

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+package com.duckai.app.widget
+
+import android.app.PendingIntent
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.content.Intent
+import android.widget.RemoteViews
+import com.duckai.app.R
+import com.duckai.app.web.MainActivity
+
+class SearchWidgetProvider : AppWidgetProvider() {
+
+    override fun onUpdate(
+        context: Context,
+        appWidgetManager: AppWidgetManager,
+        appWidgetIds: IntArray
+    ) {
+        for (appWidgetId in appWidgetIds) {
+            val intent = Intent(context, MainActivity::class.java).apply {
+                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+            }
+
+            val pendingIntent = PendingIntent.getActivity(
+                context,
+                0,
+                intent,
+                PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+            )
+
+            val views = RemoteViews(context.packageName, R.layout.widget_search).apply {
+                setOnClickPendingIntent(R.id.widget_container, pendingIntent)
+            }
+
+            appWidgetManager.updateAppWidget(appWidgetId, views)
+        }
+    }
+}

app/src/main/res/drawable/ic_search.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#757575"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+</vector>

app/src/main/res/drawable/widget_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#FFFFFF" />
+    <corners android:radius="8dp" />
+    <stroke
+        android:width="1dp"
+        android:color="#E0E0E0" />
+</shape>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/webViewContainer"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <WebView
+        android:id="@+id/webView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/widget_background"
+    android:gravity="center"
+    android:orientation="horizontal"
+    android:padding="16dp">
+
+    <ImageView
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:src="@drawable/ic_search"
+        android:contentDescription="@string/search" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:text="@string/search_duckai"
+        android:textColor="#757575"
+        android:textSize="14sp" />
+
+</LinearLayout>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">DuckAI</string>
+    <string name="search">Search</string>
+    <string name="search_duckai">Search DuckAI</string>
+</resources>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.DuckAI" parent="Theme.Material3.DayNight.NoActionBar" />
+</resources>

app/src/main/res/xml/search_widget_info.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:minWidth="250dp"
+    android:minHeight="50dp"
+    android:updatePeriodMillis="0"
+    android:initialLayout="@layout/widget_search"
+    android:resizeMode="horizontal|vertical"
+    android:widgetCategory="home_screen" />