Adds Crane to the repo

Change-Id: I3a88e591b739487ed19b237b6897f998485df5a2

Crane/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+/studio/

Crane/README.md

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+Steps to run this sample in go/compose-samples-howto

Crane/app/.gitignore

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+/build

Crane/app/build.gradle

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+/*
+ * Copyright 2019 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+// Reads the Google maps key that is used in the AndroidManifest
+Properties properties = new Properties()
+properties.load(project.rootProject.file("local.properties").newDataInputStream())
+
+android {
+    compileSdkVersion 29
+    defaultConfig {
+        applicationId "androidx.compose.samples.crane"
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+        vectorDrawables.useSupportLibrary = true
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        manifestPlaceholders = [ googleMapsKey : properties.getProperty("google.maps.key", "") ]
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerVersion "1.3.70-dev-withExperimentalGoogleExtensions-20200424"
+        kotlinCompilerExtensionVersion "0.1.0-SNAPSHOT"
+    }
+}
+
+configurations {
+    ktlint
+}
+
+dependencies {
+    // Actual dependencies of the application
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.61'
+    implementation 'com.google.android.gms:play-services-maps:17.0.0'
+
+    def composeVersion = "0.1.0-SNAPSHOT"
+    implementation ("androidx.compose:compose-runtime:$composeVersion")
+    implementation ("androidx.ui:ui-core:$composeVersion")
+    implementation ("androidx.ui:ui-foundation:$composeVersion")
+    implementation ("androidx.ui:ui-layout:$composeVersion")
+    implementation ("androidx.ui:ui-material:$composeVersion")
+    implementation ("androidx.ui:ui-android-view:$composeVersion")
+    implementation ("androidx.ui:ui-tooling:$composeVersion")
+    implementation ("androidx.ui:ui-android-view:$composeVersion")
+
+    implementation ('androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0')
+    implementation ('androidx.appcompat:appcompat:1.1.0')
+    implementation ('androidx.activity:activity-ktx:1.1.0')
+    implementation ('androidx.lifecycle:lifecycle-extensions:2.2.0')
+
+    implementation ('com.squareup.picasso:picasso:2.71828')
+
+    ktlint "com.pinterest:ktlint:0.36.0"
+}
+
+task ktlint(type: JavaExec, group: "verification") {
+    description = "Check Kotlin code style."
+    main = "com.pinterest.ktlint.Main"
+    classpath = configurations.ktlint
+    // Ignoring paren-spacing as it flags a composable type param as an error
+    args "-F", "src/**/*.kt", "--disabled_rules", "paren-spacing"
+}
+
+check.dependsOn ktlint
+
+task ktlintFormat(type: JavaExec, group: "formatting") {
+    description = "Fix Kotlin code style deviations."
+    main = "com.pinterest.ktlint.Main"
+    classpath = configurations.ktlint
+    // Ignoring paren-spacing as it flags a composable type param as an error
+    args "-F", "src/**/*.kt", "--disabled_rules", "paren-spacing"
+}

Crane/app/proguard-rules.pro

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+# 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

Crane/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~   Copyright 2019 Google LLC
+  ~
+  ~   Licensed under the Apache License, Version 2.0 (the "License");
+  ~   you may not use this file except in compliance with the License.
+  ~   You may obtain a copy of the License at
+  ~
+  ~        http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~   Unless required by applicable law or agreed to in writing, software
+  ~   distributed under the License is distributed on an "AS IS" BASIS,
+  ~   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~   See the License for the specific language governing permissions and
+  ~   limitations under the License.
+  ~
+  -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="androidx.compose.samples.crane">
+
+    <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/AppTheme">
+
+        <meta-data android:name="com.google.android.geo.API_KEY"
+            android:value="${googleMapsKey}"/>
+
+        <activity android:name=".home.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".details.DetailsActivity" />
+        <activity android:name=".calendar.CalendarActivity" />
+    </application>
+
+</manifest>

Crane/app/src/main/java/androidx/compose/samples/crane/base/BaseUserInput.kt

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+/*
+ * Copyright 2019 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.compose.samples.crane.base
+
+import androidx.annotation.DrawableRes
+import androidx.compose.Composable
+import androidx.compose.getValue
+import androidx.compose.mutableStateOf
+import androidx.compose.samples.crane.R
+import androidx.compose.samples.crane.ui.captionTextStyle
+import androidx.compose.setValue
+import androidx.ui.core.Alignment
+import androidx.ui.core.Modifier
+import androidx.ui.foundation.Icon
+import androidx.ui.foundation.Text
+import androidx.ui.foundation.TextField
+import androidx.ui.foundation.TextFieldValue
+import androidx.ui.foundation.contentColor
+import androidx.ui.graphics.Color
+import androidx.ui.layout.Row
+import androidx.ui.layout.Spacer
+import androidx.ui.layout.padding
+import androidx.ui.layout.preferredSize
+import androidx.ui.layout.preferredWidth
+import androidx.ui.material.MaterialTheme
+import androidx.ui.material.Surface
+import androidx.ui.res.vectorResource
+import androidx.ui.tooling.preview.Preview
+import androidx.ui.unit.dp
+
+@Composable
+fun SimpleUserInput(
+    text: String? = null,
+    caption: String? = null,
+    @DrawableRes vectorImageId: Int? = null
+) {
+    CraneUserInput(
+        caption = if (text == null) caption else null,
+        text = text ?: "",
+        vectorImageId = vectorImageId
+    )
+}
+
+@Composable
+fun CraneUserInput(
+    modifier: Modifier = Modifier,
+    text: String,
+    caption: String? = null,
+    @DrawableRes vectorImageId: Int? = null,
+    tint: Color = contentColor()
+) {
+    CraneBaseUserInput(
+        modifier = modifier,
+        caption = caption,
+        vectorImageId = vectorImageId,
+        tintIcon = { text.isNotEmpty() },
+        tint = tint
+    ) {
+        Text(text = text, style = MaterialTheme.typography.body1.copy(color = tint))
+    }
+}
+
+@Composable
+fun CraneEditableUserInput(
+    hint: String,
+    caption: String? = null,
+    @DrawableRes vectorImageId: Int? = null,
+    onInputChanged: (String) -> Unit
+) {
+    var textFieldState by mutableStateOf(TextFieldValue(text = hint))
+    val isHint = { textFieldState.text == hint }
+
+    CraneBaseUserInput(
+        caption = caption,
+        tintIcon = { !isHint() },
+        showCaption = { !isHint() },
+        vectorImageId = vectorImageId
+    ) {
+        TextField(
+            value = textFieldState,
+            onValueChange = {
+                textFieldState = it
+                if (!isHint()) onInputChanged(textFieldState.text)
+            },
+            textStyle = if (isHint()) captionTextStyle else MaterialTheme.typography.body1
+        )
+    }
+}
+
+@Composable
+private fun CraneBaseUserInput(
+    modifier: Modifier = Modifier,
+    caption: String? = null,
+    @DrawableRes vectorImageId: Int? = null,
+    showCaption: () -> Boolean = { true },
+    tintIcon: () -> Boolean,
+    tint: Color = MaterialTheme.colors.onSurface,
+    children: @Composable () -> Unit
+) {
+    Surface(modifier = modifier, color = MaterialTheme.colors.primaryVariant) {
+        Row(Modifier.padding(all = 12.dp)) {
+            if (vectorImageId != null) {
+                Icon(
+                    modifier = Modifier.preferredSize(24.dp, 24.dp),
+                    asset = vectorResource(id = vectorImageId),
+                    tint = if (tintIcon()) tint else Color(0x80FFFFFF)
+                )
+                Spacer(Modifier.preferredWidth(8.dp))
+            }
+            if (caption != null && showCaption()) {
+                Text(
+                    modifier = Modifier.gravity(Alignment.CenterVertically),
+                    text = caption,
+                    style = (captionTextStyle).copy(color = tint)
+                )
+                Spacer(Modifier.preferredWidth(8.dp))
+            }
+            Row(Modifier.weight(1f).gravity(Alignment.CenterVertically)) {
+                children()
+            }
+        }
+    }
+}
+
+@Preview
+@Composable
+fun previewInput() {
+    CraneScaffold {
+        CraneBaseUserInput(
+            tintIcon = { true },
+            vectorImageId = R.drawable.ic_plane,
+            caption = "Caption",
+            showCaption = { true }) {
+            Text(text = "text", style = MaterialTheme.typography.body1)
+        }
+    }
+}

Crane/app/src/main/java/androidx/compose/samples/crane/base/CraneDrawer.kt

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+package androidx.compose.samples.crane.base
+
+import androidx.compose.Composable
+import androidx.compose.samples.crane.R
+import androidx.compose.samples.crane.ui.CraneTheme
+import androidx.ui.core.Modifier
+import androidx.ui.foundation.Image
+import androidx.ui.foundation.Text
+import androidx.ui.layout.Column
+import androidx.ui.layout.Spacer
+import androidx.ui.layout.fillMaxSize
+import androidx.ui.layout.padding
+import androidx.ui.layout.preferredHeight
+import androidx.ui.material.MaterialTheme
+import androidx.ui.res.vectorResource
+import androidx.ui.tooling.preview.Preview
+import androidx.ui.unit.dp
+
+private val screens = listOf("Find Trips", "My Trips", "Saved Trips", "Price Alerts", "My Account")
+
+@Composable
+fun CraneDrawer(modifier: Modifier = Modifier) {
+    Column(modifier.fillMaxSize().padding(start = 24.dp, top = 48.dp)) {
+        Image(asset = vectorResource(id = R.drawable.ic_crane_drawer))
+        for (screen in screens) {
+            Spacer(Modifier.preferredHeight(24.dp))
+            Text(text = screen, style = MaterialTheme.typography.h4)
+        }
+    }
+}
+
+@Preview
+@Composable
+fun CraneDrawerPreview() {
+    CraneTheme {
+        CraneDrawer()
+    }
+}