地图定位程序代码

ExampleInstrumentedTest文件：




package esrichina.hymn.setmapinitiallocation;


import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;


import org.junit.Test;
import org.junit.runner.RunWith;


import static org.junit.Assert.*;


/**
 * Instrumentation test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
    @Test
    public void useAppContext() throws Exception {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getTargetContext();


        assertEquals("esrichina.hymn.setmapinitiallocation", appContext.getPackageName());
    }
}




MainActivity文件：




package esrichina.hymn.setmapinitiallocation;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.MapView;
public class MainActivity extends AppCompatActivity {
    private MapView mMapView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mMapView = (MapView) findViewById(R.id.mapView);
        ArcGISMap map = new ArcGISMap
                (Basemap.Type.TOPOGRAPHIC, 34.056295, -117.195800, 16);
        mMapView.setMap(map);
    }
}






activity_main文件：






<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="esrichina.hymn.setmapinitiallocation.MainActivity">
    <com.esri.arcgisruntime.mapping.view.MapView
        android:id="@+id/mapView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >
    </com.esri.arcgisruntime.mapping.view.MapView>
</android.support.constraint.ConstraintLayout>






colors文件：




<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="colorPrimary">#3F51B5</color>
    <color name="colorPrimaryDark">#303F9F</color>
    <color name="colorAccent">#FF4081</color>
</resources>






strings文件：






<resources>
    <string name="app_name">Set Map Initial Location</string>
</resources>






styles文件：




<resources>


    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>








AndroidManifest文件：




<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="esrichina.hymn.setmapinitiallocation">
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-feature android:glEsVersion="0x00020000" android:required="true" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>


</manifest>
    </style>


</resources>

下面附有该程序项目源码，已经运行过，可以使用。