Android Studio2.1.2 のテンプレートGoogleMapsActivityの地図上に十字中心線を表示する簡単な方法。
その前に、Google Maps APIキーをセットしコンパイルすると
Error:Execution failed for task ':app:transformClassesWithDexForDebug'.> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.dex.DexIndexOverflowException: method ID not in [0, 0xffff]: 65536
メソッド数の上限を超えた(Building Apps with Over 65K Methods)
→ https://developer.android.com/studio/build/multidex.html?hl=ja
ということで
MyApplication\app\build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "23.0.3"
defaultConfig {
applicationId "asia.remix.map"
minSdkVersion 10
targetSdkVersion 24
versionCode 1
versionName "1.0"
multiDexEnabled true ★追加
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:24.1.1'
compile 'com.google.android.gms:play-services:9.4.0'
}と
MyApplication\app\src\main\AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest package="example.myapplication"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<!--
The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
Google Maps Android API v2, but you must specify either coarse or fine
location permissions for the 'MyLocation' functionality.
-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme"
android:name="android.support.multidex.MultiDexApplication" ★追加
>
<!--
The API key for Google Maps-based APIs is defined as a string resource.
(See the file "res/values/google_maps_api.xml").
Note that the API key is linked to the encryption key used to sign the APK.
You need a different API key for each encryption key, including the release key that is used to
sign the APK for publishing.
You can define the keys for the debug and release targets in src/debug/ and src/release/.
-->
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="@string/google_maps_key"
/>
<activity
android:name=".MapsActivity"
android:label="@string/title_activity_maps"
>
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>それぞれ ★印の行を追加。
ちなみに googleの巨大なライブラリを使う場合
MyApplication\gradle.properties
か
左ペインツリー Projectの Gradle Scripts/gradle.properties
で
VM起動オプション
org.gradle.jvmargs=-Xmx2048m
を指定するとメモリ不足解消とコンパイル時間を短縮(約1/10)。
本題の十字中心線は...▼
Android ADK 組込みプログラミング完全ガイド (Smart Mobile Developer)
改訂2版 android sdk逆引きハンドブック
工学社Android4.0演習
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