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最后一次修订，已完成找寻部分全部功能

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master^2
omar 3 years ago
parent 0dab53f55b
commit b959add47a
2 changed files with 270 additions and 16 deletions
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204
src/MyApplication/app/src/MyApplication/app/src/main/java/com/example/myapplication/MapActivity1.java
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@ -1,37 +1,221 @@
package com.example.myapplication;
import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import android.annotation.SuppressLint;
import android.os.Bundle;
import com.baidu.location.BDAbstractLocationListener;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
public class MapActivity1 extends AppCompatActivity {
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;
/*
public class MapActivity1 extends Activity {
private MapView mMapView = null;
@SuppressLint("MissingInflatedId")
private BaiduMap mBaiduMap;
private LocationClient mLocationClient;
private BitmapDescriptor mMarker;
private boolean ifFrist = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
SDKInitializer.initialize(getApplicationContext());
setContentView(R.layout.activity_map1);
mMapView= (MapView) findViewById(R.id.bmapview);
mMapView = findViewById(R.id.bmapview);
mBaiduMap = mMapView.getMap();
mLocationClient = new LocationClient(this);
MyLocationListener myLocationListener = new MyLocationListener();
mLocationClient.registerLocationListener(myLocationListener);
//覆盖物 用于显示当前位置
mMarker = BitmapDescriptorFactory.fromResource(com.baidu.bikenavi.R.drawable.icon_start_walk);
mBaiduMap.setMyLocationEnabled(true);
LocationClientOption option = new LocationClientOption();
//可选，默认高精度，设置定位模式，高精度，低功耗，仅设备
option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
option.setOpenGps(true); // 打开gps
option.setCoorType("bd09ll"); // 设置坐标类型
option.setScanSpan(1000);
option.setIsNeedAddress(true);
mLocationClient.setLocOption(option);
mLocationClient.start();
}
public class MyLocationListener extends BDAbstractLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
//mapView 销毁后不在处理新接收的位置
if (location == null || mMapView == null){
return;
}
MyLocationData locData = new MyLocationData.Builder()
.accuracy(location.getRadius())
// 此处设置开发者获取到的方向信息，顺时针0-360
.latitude(location.getLatitude())
.longitude(location.getLongitude())
.direction(location.getDirection())
.build();
mBaiduMap.setMyLocationData(locData);
MyLocationConfiguration configuration = new MyLocationConfiguration(
MyLocationConfiguration.LocationMode.NORMAL, false, mMarker);
mBaiduMap.setMyLocationConfiguration(configuration);
if (ifFrist) {
LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());
MapStatus.Builder builder = new MapStatus.Builder();
builder.target(ll);
builder.zoom(18.0f);
mBaiduMap.setMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
//放大层级
ifFrist = false;
}
}
}
@Override
protected void onResume() {
super.onResume();
//在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理
mMapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
//在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理
mMapView.onPause();
mMapView=findViewById(R.id.bmapview);
mMapView.onResume();
}
@Override
protected void onDestroy() {
super.onDestroy();
//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
mLocationClient.stop();
mMapView.onDestroy();
}
}
*/
public class MapActivity1 extends AppCompatActivity {
private BitmapDescriptor mMarker;
LocationClient mLocationClient; //定位客户端
MapView mapView; //Android Widget地图控件
BaiduMap baiduMap;
boolean isFirstLocate = true;
TextView tv_Lat; //纬度
TextView tv_Lon; //经度
TextView tv_Add; //地址
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//如果没有定位权限，动态请求用户允许使用该权限
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
}else {
requestLocation();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
// super.onRequestPermissionsResult(requestCode, permissions, grantResults);
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case 1:
if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "没有定位权限！", Toast.LENGTH_LONG).show();
finish();
} else {
requestLocation();
}
}
}
private void requestLocation() {
initLocation();
mLocationClient.start();
}
private void initLocation() { //初始化
mLocationClient = new LocationClient(getApplicationContext());
mLocationClient.registerLocationListener(new MyLocationListener());
SDKInitializer.initialize(getApplicationContext());
setContentView(R.layout.activity_map1);
// mMarker = BitmapDescriptorFactory.fromResource(com.baidu.bikenavi.R.drawable.icon_start_walk);
mapView = findViewById(R.id.bmapview);
baiduMap = mapView.getMap();
tv_Lat = findViewById(R.id.tv_Lat);
tv_Lon = findViewById(R.id.tv_Lon);
tv_Add = findViewById(R.id.tv_Add);
LocationClientOption option = new LocationClientOption();
//设置扫描时间间隔
option.setScanSpan(1000);
//设置定位模式，三选一
option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
//设置需要地址信息
option.setIsNeedAddress(true);
//保存定位参数
mLocationClient.setLocOption(option);
}
//内部类，百度位置监听器
private class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation bdLocation) {
tv_Lat.setText(bdLocation.getLatitude()+"");
tv_Lon.setText(bdLocation.getLongitude()+"");
tv_Add.setText(bdLocation.getAddrStr());
if(bdLocation.getLocType()==BDLocation.TypeGpsLocation || bdLocation.getLocType()==BDLocation.TypeNetWorkLocation){
navigateTo(bdLocation);
}
}
MyLocationConfiguration configuration = new MyLocationConfiguration(
MyLocationConfiguration.LocationMode.NORMAL, false, mMarker);
//
// baiduMap.setMyLocationConfiguration(configuration);
}
private void navigateTo(BDLocation bdLocation) {
if(isFirstLocate){
LatLng ll = new LatLng(bdLocation.getLatitude(),bdLocation.getLongitude());
MapStatusUpdate update = MapStatusUpdateFactory.newLatLng(ll);
baiduMap.animateMapStatus(update);
isFirstLocate = false;
}
}
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
mapView=findViewById(R.id.bmapview);
mapView.onResume();
}
@Override
protected void onDestroy() {
super.onDestroy();
mLocationClient.stop();
mapView.onDestroy();
}
}

82
src/MyApplication/app/src/MyApplication/app/src/main/res/layout/activity_map1.xml
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@ -1,15 +1,85 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
<FrameLayout 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"
android:orientation="vertical"
tools:context="com.example.myapplication.MapActivity1">
tools:context=".MapActivity1">
<!--百度地图控件-->
<com.baidu.mapapi.map.MapView
android:id="@+id/bmapview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true" />
<!--位置文本布局的背景色代码的前2位代码为透明度-->
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#e0000000"
android:orientation="vertical" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="12dp"
android:layout_marginTop="20dp"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="纬度："
android:textColor="#ffffff"
android:textSize="15dp" />
<TextView
android:id="@+id/tv_Lat"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:textColor="#ffffff"
android:textSize="15dp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="12dp"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="经度："
android:textColor="#ffffff"
android:textSize="15dp" />
<TextView
android:id="@+id/tv_Lon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:textColor="#ffffff"
android:textSize="15dp" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_marginLeft="12dp"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="地址："
android:textColor="#ffffff"
android:textSize="15dp" />
</LinearLayout>
<TextView
android:id="@+id/tv_Add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:textColor="#ffffff"
android:textSize="15dp" />
</LinearLayout>
</LinearLayout>
</FrameLayout>
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