私は次のJSONを持っていますが、それをどのように道路に貼り付けていますか？AndroidのGoogleマップ

Question

道路の近くの場所のJson haseの経度と緯度..私はこれらの線を道路にスナップして欲しいです...しかし、 .. 道路上にポリラインを描画して、ある道路からLatLangまでの距離を計算します。

{ 
    snappedPoints: [ 
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    longitude: 149.129531998742 
    }, 
    originalIndex: 0, 
    placeId: "ChIJr_xl0GdNFmsRsUtUbW7qABM" 
    }, 
    { 
    location: { 
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    longitude: 149.12946589999999 
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    placeId: "ChIJr_xl0GdNFmsRsUtUbW7qABM" 
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    { 
    location: { 
    latitude: -35.2784195, 
    longitude: 149.12946589999999 
    }, 
    placeId: "ChIJ6aXGemhNFmsRZE_zHqhmrG4" 
    }, 
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    longitude: 149.12933809999998 
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    placeId: "ChIJ6aXGemhNFmsRZE_zHqhmrG4" 
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    { 
    location: { 
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    longitude: 149.12933809999998 
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    placeId: "ChIJTcTdZ2hNFmsRXokM4mWCWfk" 
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    { 
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    longitude: 149.1292973 
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    placeId: "ChIJTcTdZ2hNFmsRXokM4mWCWfk" 
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    { 
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    longitude: 149.1292973 
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    placeId: "ChIJiUfNQmhNFmsRSsAI-1m6y1g" 
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    } 

Answer 1

あなたの質問にさらに詳しくお答えください。私たちはあなたがすでに試したことを知らない。私はまだAndroid用のGoogleマップを使用していないが、それがうまく使用され、文書化されていると考えると、それは難しいはずはありません。

Google Devサイトですばやく検索した後、jsonを配列やオブジェクト、さらには緯度/経度のキー値ペアなどのより有用なものに変換します。

次に、Googleマップオブジェクトにポリラインを追加して、各座標の間に線を描画する必要があります。 https://developers.google.com/maps/documentation/android-api/shapes

マップに直接ジオロケーションポイントのJSONObjectを変換にGeoJSONユーティリティもあるから撮影

// Instantiates a new Polyline object and adds points to define route 
PolylineOptions rectOptions = new PolylineOptions() 
     .add(new LatLng(37.35, -122.0)) 
     .add(new LatLng(37.45, -122.0)) 
     .add(new LatLng(37.45, -122.2)) 
     .add(new LatLng(37.35, -122.2)) 
     .add(new LatLng(37.35, -122.0)); 

// Get back the mutable Polyline 
Polyline polyline = myMap.addPolyline(rectOptions); 

。 https://developers.google.com/maps/documentation/android-api/utility/geojson

Googleマップ用のチュートリアルがたくさんあります.Googles独自のドキュメントを気にする必要はありません。

幸運