android 开源库osmdroid绘制点线面比例尺，缩小放大，导航图标等

android 开源库osmdroid绘制点线面（比例尺，缩小放大，导航图标等）。常用的基本用法都有，以及之前写加载离线地图也在这个项目。 我的博客地址：http://blog.csdn.net/qq_16064871。

package com.osmdroid.sample;

import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import android.view.View;
import android.widget.Toast;

import org.osmdroid.api.IGeoPoint;
import org.osmdroid.tileprovider.tilesource.TileSourceFactory;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapView;
import org.osmdroid.views.overlay.ScaleBarOverlay;
import org.osmdroid.views.overlay.compass.CompassOverlay;
import org.osmdroid.views.overlay.compass.InternalCompassOrientationProvider;
import org.osmdroid.views.overlay.gestures.RotationGestureOverlay;
import org.osmdroid.views.overlay.mylocation.GpsMyLocationProvider;
import org.osmdroid.views.overlay.mylocation.MyLocationNewOverlay;
import org.osmdroid.views.overlay.simplefastpoint.LabelledGeoPoint;
import org.osmdroid.views.overlay.simplefastpoint.SimpleFastPointOverlay;
import org.osmdroid.views.overlay.simplefastpoint.SimpleFastPointOverlayOptions;
import org.osmdroid.views.overlay.simplefastpoint.SimplePointTheme;

import java.util.ArrayList;
import java.util.List;

public class BasicMapTestActivity extends AppCompatActivity implements View.onclickListener {

    private MapView mapView;
    //地图旋转
    private RotationGestureOverlay mRotationGestureOverlay;
    //比例尺
    private ScaleBarOverlay mScaleBarOverlay;
    //指南针方向
    private CompassOverlay mCompassOverlay = null;
    //设置导航图标的位置
    private MyLocationNewOverlay mLocationOverlay;

    @Override
    protected void onCreate（Bundle savedInstanceState） {
        super.onCreate（savedInstanceState）;
        setContentView（R.layout.activity_basic_test）;

        initView（）;
    }

    private void initView（） {

        findViewById（R.id.button1）.setonclickListener（this）;
        findViewById（R.id.button2）.setonclickListener（this）;
        findViewById（R.id.button3）.setonclickListener（this）;
        findViewById（R.id.button4）.setonclickListener（this）;

        mapView = （MapView） findViewById（R.id.mymapview）;
        mapView.setDrawingCacheEnabled（true）;
        mapView.setMaxZoomLevel（20）;
        mapView.setMinZoomLevel（6）;
        mapView.getController（）.setZoom（12）;
        mapView.setTileSource（TileSourceFactory.MAPNIK）;
        mapView.setUseDataConnection（true）;
        mapView.setMultiTouchControls（true）;// 触控放大缩小
        //是否显示地图数据源
        mapView.getOverlayManager（）.getTilesOverlay（）.setEnabled（true）;


        //地图自由旋转
        mRotationGestureOverlay = new RotationGestureOverlay（mapView）;
        mRotationGestureOverlay.setEnabled（true）;
        mapView.getOverlays（）.add（this.mRotationGestureOverlay）;

        //比例尺配置
        final DisplayMetrics dm = getResources（）.getDisplayMetrics（）;
        mScaleBarOverlay = new ScaleBarOverlay（mapView）;
        mScaleBarOverlay.setCentred（true）;
        mScaleBarOverlay.setAlignBottom（true）; /

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        105  2017-02-13 11:15  Osmdroid-Sample\.gitignore

     文件         31  2017-02-13 11:18  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\cache.properties

     文件         17  2017-04-20 19:07  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\cache.properties.lock

     文件     580575  2017-04-20 19:07  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\fileHashes.bin

     文件   13426504  2017-04-20 19:07  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin

     文件     105052  2017-04-20 19:07  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin

     文件     354963  2017-04-20 19:07  Osmdroid-Sample\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin

     文件      85626  2017-02-20 20:02  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-02-20 20:02  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      30989  2017-02-20 20:02  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2017-02-20 20:02  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件      27347  2017-02-15 11:08  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-02-15 11:08  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      20565  2017-02-15 11:08  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileReleaseJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2017-02-15 11:08  Osmdroid-Sample\.gradle\2.14.1\tasks\_app_compileReleaseJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件      28337  2017-04-19 16:11  Osmdroid-Sample\.gradle\2.14.1\tasks\_asynctasksample_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-04-19 16:11  Osmdroid-Sample\.gradle\2.14.1\tasks\_asynctasksample_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      19517  2017-04-19 16:11  Osmdroid-Sample\.gradle\2.14.1\tasks\_asynctasksample_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2017-04-19 16:11  Osmdroid-Sample\.gradle\2.14.1\tasks\_asynctasksample_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件      73935  2017-03-29 14:12  Osmdroid-Sample\.gradle\2.14.1\tasks\_OsmdroidSample_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-03-29 14:12  Osmdroid-Sample\.gradle\2.14.1\tasks\_OsmdroidSample_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      20232  2017-03-29 14:12  Osmdroid-Sample\.gradle\2.14.1\tasks\_OsmdroidSample_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2017-03-29 14:12  Osmdroid-Sample\.gradle\2.14.1\tasks\_OsmdroidSample_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件     524040  2017-03-22 15:52  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-03-22 15:52  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      23195  2017-03-22 15:52  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2017-03-22 15:52  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件      34324  2017-02-23 11:19  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2017-02-23 11:19  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      19990  2017-02-23 11:19  Osmdroid-Sample\.gradle\2.14.1\tasks\_same_compileReleaseJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

............此处省略154个文件信息