地图定位+缓存图片

package text.kao.com.yk_demoa1.utils;

import android.content.Context;
import android.os.Looper;
import android.text.TextUtils;

import com.bumptech.glide.Glide;
import com.bumptech.glide.load.engine.cache.ExternalCacheDiskCacheFactory;
import com.bumptech.glide.load.engine.cache.InternalCacheDiskCacheFactory;

import java.io.File;
import java.math.BigDecimal;

/**
* 类的用途：
* 作者：dell
* 时间： 2017/5/1 21:02
*/

public class GildeUtile {

private static GildeUtile inst =  new GildeUtile();
private GildeUtile() {}
//获取对象
public static GildeUtile getInstance() {
return inst;
}

/**
* 清除图片磁盘缓存
*/
public void clearImageDiskCache(final Context context) {
try {
if (Looper.myLooper() == Looper.getMainLooper()) {
new Thread(new Runnable() {
@Override
public void run() {
Glide.get(context).clearDiskCache();
// BusUtil.getBus().post(new GlideCacheClearSuccessEvent());
}
}).start();
} else {
Glide.get(context).clearDiskCache();
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 清除图片内存缓存
*/
public void clearImageMemoryCache(Context context) {
try {
if (Looper.myLooper() == Looper.getMainLooper()) { //只能在主线程执行
Glide.get(context).clearMemory();
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 清除图片所有缓存
*/
public void clearImageAllCache(Context context) {
clearImageDiskCache(context);
clearImageMemoryCache(context);
String ImageExternalCatchDir=context.getExternalCacheDir()+ ExternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR;
deleteFolderFile(ImageExternalCatchDir, true);
}

/**
* 获取Glide造成的缓存大小
*
* @return CacheSize
*/
public String getCacheSize(Context context) {
try {
return getFormatSize(getFolderSize(new File(context.getCacheDir() + "/"+ InternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR)));
} catch (Exception e) {
e.printStackTrace();
}
return "";
}

/**
* 获取指定文件夹内所有文件大小的和
*
* @param file file
* @return size
* @throws Exception
*/
private long getFolderSize(File file) throws Exception {
long size = 0;
try {
File[] fileList = file.listFiles();
for (File aFileList : fileList) {
if (aFileList.isDirectory()) {
size = size + getFolderSize(aFileList);
} else {
size = size + aFileList.length();
}
}
} catch (Exception e) {
e.printStackTrace();
}
return size;
}

/**
* 删除指定目录下的文件，这里用于缓存的删除
*
* @param filePath filePath
* @param deleteThisPath deleteThisPath
*/
private void deleteFolderFile(String filePath, boolean deleteThisPath) {
if (!TextUtils.isEmpty(filePath)) {
try {
File file = new File(filePath);
if (file.isDirectory()) {
File files[] = file.listFiles();
for (File file1 : files) {
deleteFolderFile(file1.getAbsolutePath(), true);
}
}
if (deleteThisPath) {
if (!file.isDirectory()) {
file.delete();
} else {
if (file.listFiles().length == 0) {
file.delete();
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}

/**
* 格式化单位
*
* @param size size
* @return size
*/
private static String getFormatSize(double size) {

double kiloByte = size / 1024;
if (kiloByte < 1) {
return size + "Byte";
}

double megaByte = kiloByte / 1024;
if (megaByte < 1) {
BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
}

double gigaByte = megaByte / 1024;
if (gigaByte < 1) {
BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
}

double teraBytes = gigaByte / 1024;
if (teraBytes < 1) {
BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
}
BigDecimal result4 = new BigDecimal(teraBytes);

return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
}
}

package text.kao.com.yk_demoa1;

import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.google.gson.Gson;
import com.nostra13.universalimageloader.cache.disc.DiskCache;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.squareup.okhttp.Call;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;

import java.io.File;
import java.io.IOException;
import java.util.List;

import text.kao.com.yk_demoa1.activity.NextActivity;
import text.kao.com.yk_demoa1.adapter.MyAdapter;
import text.kao.com.yk_demoa1.bean.Bean;
import text.kao.com.yk_demoa1.utils.GildeUtile;
import text.kao.com.yk_demoa1.utils.MyCallBack;
import text.kao.com.yk_demoa1.utils.OkHttoUtils;

public class MainActivity extends AppCompatActivity {
String url="http://www.yulin520.com/a2a/impressApi/news/mergeList?sign=C7548DE604BCB8A17592EFB9006F9265&pageSize=10&gender=2&ts=1871746850&page=1";
private RecyclerView rv;
private MyAdapter adapter;
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if(msg.what==0){
String s= (String) msg.obj;
//进行解析
Gson gson=new Gson();
Bean bean = gson.fromJson(s, Bean.class);
List<Bean.DataBean> list = bean.getData();
//设置数据
rv.setLayoutManager(new LinearLayoutManager(MainActivity.this,RecyclerView.VERTICAL,false));
adapter = new MyAdapter(MainActivity.this,list);
rv.setAdapter(adapter);
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
}

private void initViews() {
rv = (RecyclerView) findViewById(R.id.rv);
TextView dw= (TextView) findViewById(R.id.dw_text);
TextView delete= (TextView) findViewById(R.id.delete_text);
DiskCache diskCache = ImageLoader.getInstance().getDiskCache();
File file = diskCache.getDirectory();
long m = file.length() / 1024 / 1024;
String size = GildeUtile.getInstance().getCacheSize(MainActivity.this);
delete.setText(size+"KB");

//解析数据
getDatas();

//删除缓存
delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
/*ImageLoader.getInstance().clearDiskCache();
ImageLoader.getInstance().clearMemoryCache();*/
GildeUtile.getInstance().clearImageAllCache(MainActivity.this);
GildeUtile.getInstance().clearImageMemoryCache(MainActivity.this);
}
});
dw.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//进行跳转
Intent in=new Intent(MainActivity.this,NextActivity.class);
startActivity(in);
}
});

}

private void getDatas() {

OkHttpClient client=new OkHttpClient();
Request request=new Request.Builder().url(url).build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Request request, IOException e) {

}

@Override
public void onResponse(Response response) throws IOException {
String string = response.body().string();
Message message = handler.obtainMessage(0, string);
handler.sendMessage(message);
}
});
}
}

package text.kao.com.yk_demoa1.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;

import text.kao.com.yk_demoa1.MainActivity;
import text.kao.com.yk_demoa1.R;
import text.kao.com.yk_demoa1.bean.Bean;
import text.kao.com.yk_demoa1.utils.ImageUtils;

import static android.R.id.list;

/**
* Created by lenovo on 2017/5/1.
*/

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
private  Context context;
private List<Bean.DataBean> list;
public MyAdapter(Context context, List<Bean.DataBean> list) {
this.context=context;
this.list=list;
}

@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(context).inflate(R.layout.list_layout, parent, false);
return new MyViewHolder(view);
}

@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
holder.age.setText(list.get(position).getUserAge()+"岁");
holder.hobby.setText(list.get(position).getContent());
holder.name.setText(list.get(position).getUserName());
holder.zw.setText(list.get(position).getOccupation());
// ImageLoader.getInstance().displayImage(list.get(position).getImg(),holder.iv, ImageUtils.getImage());
Glide.with(context).load(list.get(position).getImg()).into(holder.iv);

}
@Override
public int getItemCount() {
return list.size();
}

class MyViewHolder extends RecyclerView.ViewHolder{

private final TextView name;
private final TextView hobby;
private final TextView age;
private final TextView zw;
private final ImageView iv;

public MyViewHolder(View itemView) {
super(itemView);
//找控件
name = (TextView) itemView.findViewById(R.id.name_text);
hobby = (TextView) itemView.findViewById(R.id.hobby_text);
age = (TextView) itemView.findViewById(R.id.age_text);
zw = (TextView) itemView.findViewById(R.id.zw_text);
iv = (ImageView) itemView.findViewById(R.id.iv);

}
}
}

package text.kao.com.yk_demoa1.activity;

import android.os.Bundle;
import android.os.PersistableBundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.TextView;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.location.Poi;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatus;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

import java.util.List;

import text.kao.com.yk_demoa1.R;

/**
* Created by lenovo on 2017/5/1.
*/

public class NextActivity extends AppCompatActivity {

private MapView mapView;

private TextView tv_location;
public LocationClient mLocationClient = null;
public BDLocationListener myListener = new MyLocationListener();
private BaiduMap baiduMap;
private boolean isFirstLoc = true;

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

setContentView(R.layout.next_layout);
//找控件
mapView = (MapView) findViewById(R.id.mv);
//获取地图
baiduMap = mapView.getMap();
//开启定位图层
baiduMap.setMyLocationEnabled(true);
tv_location = (TextView) findViewById(R.id.tv_location);
//初始化定位对象  声明LocationClient类
mLocationClient = new LocationClient(getApplicationContext());

//注册监听函数
mLocationClient.registerLocationListener(myListener);

initLocation();
mLocationClient.start();

}

private void initLocation() {
LocationClientOption option = new LocationClientOption();
option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
//可选，默认高精度，设置定位模式，高精度，低功耗，仅设备

option.setCoorType("bd09ll");
//可选，默认gcj02，设置返回的定位结果坐标系

int span = 1000;
option.setScanSpan(span);
//可选，默认0，即仅定位一次，设置发起定位请求的间隔需要大于等于1000ms才是有效的

option.setIsNeedAddress(true);
//可选，设置是否需要地址信息，默认不需要

option.setOpenGps(true);
//可选，默认false,设置是否使用gps

option.setLocationNotify(true);
//可选，默认false，设置是否当GPS有效时按照1S/1次频率输出GPS结果

option.setIsNeedLocationDescribe(true);
//可选，默认false，设置是否需要位置语义化结果，可以在BDLocation.getLocationDescribe里得到，结果类似于“在北京天安门附近”

option.setIsNeedLocationPoiList(true);
//可选，默认false，设置是否需要POI结果，可以在BDLocation.getPoiList里得到

option.setIgnoreKillProcess(false);
//可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死

option.SetIgnoreCacheException(false);
//可选，默认false，设置是否收集CRASH信息，默认收集

option.setEnableSimulateGps(false);
//可选，默认false，设置是否需要过滤GPS仿真结果，默认需要

mLocationClient.setLocOption(option);

}

public class MyLocationListener implements BDLocationListener {

@Override
public void onReceiveLocation(BDLocation location) {

//获取定位结果
StringBuffer sb = new StringBuffer(256);

sb.append("time : ");
sb.append(location.getTime());    //获取定位时间

sb.append("\nerror code : ");
sb.append(location.getLocType());    //获取类型类型

sb.append("\nlatitude : ");
sb.append(location.getLatitude());    //获取纬度信息

sb.append("\nlontitude : ");
sb.append(location.getLongitude());    //获取经度信息

sb.append("\nradius : ");
sb.append(location.getRadius());    //获取定位精准度
//---------------------将地图跟定位关联起来----------------------------------------
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
.direction(100).latitude(location.getLatitude())
.longitude(location.getLongitude()).build();
// 设置定位数据
baiduMap.setMyLocationData(locData);

if (isFirstLoc) {
isFirstLoc = false;
LatLng ll = new LatLng(location.getLatitude(),
location.getLongitude());
MapStatus.Builder builder = new MapStatus.Builder();
builder.target(ll).zoom(18.0f);
baiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
}
//---------------------将地图跟定位关联起来----------------------------------------

if (location.getLocType() == BDLocation.TypeGpsLocation) {

// GPS定位结果
sb.append("\nspeed : ");
sb.append(location.getSpeed());    // 单位：公里每小时

sb.append("\nsatellite : ");
sb.append(location.getSatelliteNumber());    //获取卫星数

sb.append("\nheight : ");
sb.append(location.getAltitude());    //获取海拔高度信息，单位米

sb.append("\ndirection : ");
sb.append(location.getDirection());    //获取方向信息，单位度

sb.append("\naddr : ");
sb.append(location.getAddrStr());    //获取地址信息

sb.append("\ndescribe : ");
sb.append("gps定位成功");

}  else if (location.getLocType() == BDLocation.TypeNetWorkLocation) {

// 网络定位结果
sb.append("\naddr : ");
sb.append(location.getAddrStr());    //获取地址信息

sb.append("\noperationers : ");
sb.append(location.getOperators());    //获取运营商信息

sb.append("\ndescribe : ");
sb.append("网络定位成功");

} else if (location.getLocType() == BDLocation.TypeOffLineLocation) {

// 离线定位结果
sb.append("\ndescribe : ");
sb.append("离线定位成功，离线定位结果也是有效的");

} else if (location.getLocType() == BDLocation.TypeServerError) {

sb.append("\ndescribe : ");
sb.append("服务端网络定位失败，可以反馈IMEI号和大体定位时间到loc-bugs@baidu.com，会有人追查原因");

} else if (location.getLocType() == BDLocation.TypeNetWorkException) {

sb.append("\ndescribe : ");
sb.append("网络不同导致定位失败，请检查网络是否通畅");

} else if (location.getLocType() == BDLocation.TypeCriteriaException) {

sb.append("\ndescribe : ");
sb.append("无法获取有效定位依据导致定位失败，一般是由于手机的原因，处于飞行模式下一般会造成这种结果，可以试着重启手机");

}

sb.append("\nlocationdescribe : ");
sb.append(location.getLocationDescribe());    //位置语义化信息

final List<Poi> list = location.getPoiList();    // POI数据
if (list != null) {
sb.append("\npoilist size = : ");
sb.append(list.size());
for (Poi p : list) {
sb.append("\npoi= : ");
sb.append(p.getId() + " " + p.getName() + " " + p.getRank());
}

}
//此方法运行在子线程
runOnUiThread(new Runnable() {
@Override
public void run() {
tv_location.setText(list.get(2).getName());
}
});
Log.i("BaiduLocationApiDem", sb.toString() + ",目前位置：" + list.get(2).getName());
}

@Override
public void onConnectHotSpotMessage(String s, int i) {

}
}

}

package text.kao.com.yk_demoa1.app;

import android.app.Application;

import com.baidu.mapapi.SDKInitializer;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache;
import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

/**
* Created by lenovo on 2017/5/1.
*/

public class MyApp extends Application {
@Override
public void onCreate() {
super.onCreate();

ImageLoaderConfiguration imc=new ImageLoaderConfiguration.Builder(getApplicationContext()).
diskCacheFileNameGenerator(new Md5FileNameGenerator())
.denyCacheImageMultipleSizesInMemory()
.memoryCache(new UsingFreqLimitedMemoryCache(2* 1024 * 1024))
.diskCacheSize(10*1024*1024)
.memoryCache(new WeakMemoryCache())
.build();
ImageLoader.getInstance().init(imc);
SDKInitializer.initialize(getApplicationContext());

}
}