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Android samples: use OkHttp cache

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This commit is contained in:
Emux
2020-09-02 16:56:25 +03:00
parent 6616c22a32
commit 074320d6d2
8 changed files with 113 additions and 170 deletions
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36
vtm-android-example/src/org/oscim/android/test/MapzenGeojsonActivity.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2017-2018 devemux86
* Copyright 2017-2020 devemux86
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
@@ -15,8 +15,8 @@
package org.oscim.android.test;
import android.os.Bundle;
import org.oscim.android.cache.TileCache;
import okhttp3.Cache;
import okhttp3.OkHttpClient;
import org.oscim.layers.tile.buildings.BuildingLayer;
import org.oscim.layers.tile.vector.VectorTileLayer;
import org.oscim.layers.tile.vector.labeling.LabelLayer;
@@ -25,41 +25,35 @@ import org.oscim.tiling.source.OkHttpEngine;
import org.oscim.tiling.source.UrlTileSource;
import org.oscim.tiling.source.geojson.MapzenGeojsonTileSource;
import java.io.File;
public class MapzenGeojsonActivity extends MapActivity {
private static final boolean USE_CACHE = false;
private TileCache mCache;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
OkHttpClient.Builder builder = new OkHttpClient.Builder();
if (USE_CACHE) {
// Cache the tiles into file system
File cacheDirectory = new File(getExternalCacheDir(), "tiles");
int cacheSize = 10 * 1024 * 1024; // 10 MB
Cache cache = new Cache(cacheDirectory, cacheSize);
builder.cache(cache);
}
UrlTileSource tileSource = MapzenGeojsonTileSource.builder()
.apiKey("xxxxxxx") // Put a proper API key
.httpFactory(new OkHttpEngine.OkHttpFactory())
.httpFactory(new OkHttpEngine.OkHttpFactory(builder))
//.locale("en")
.build();
if (USE_CACHE) {
// Cache the tiles into a local SQLite database
mCache = new TileCache(this, null, "tile.db");
mCache.setCacheSize(512 * (1 << 10));
tileSource.setCache(mCache);
}
VectorTileLayer l = mMap.setBaseMap(tileSource);
mMap.setTheme(VtmThemes.MAPZEN);
mMap.layers().add(new BuildingLayer(mMap, l));
mMap.layers().add(new LabelLayer(mMap, l));
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mCache != null)
mCache.dispose();
}
}