关于android使用google地图问题。。。大神速来~
我在网上招了个例子，可是照搬以后调试不过。
例子是关于google地图趋近提醒问题。
代码如下：（要是觉得乱可以去博客看，往下找第五个就是http://blog.csdn.net/wminxue319/article/details/7264777）
package com.android.map;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
public class AndroidmapActivity extends Activity {
private static final String PROXIMITY_ALERT_ACTION_NAME = "mx.android.ch14.ProximityAlert";
private Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn = (Button) findViewById(R.id.button01);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
set();
}
});
}
//趋近提示方法
private void set(){
//定位i服务常量
String locService = Context.LOCATION_SERVICE;
//定位i服务管理器实例
LocationManager locationManager;
locationManager = (LocationManager) getSystemService(locService);
//声明经度
double lat = 37.4;
//声明纬度
double lng = 55.0;
//声明半径（单位米）
float radius = 200f;
//不过期
long expiration = -1;
Intent intent = new Intent(PROXIMITY_ALERT_ACTION_NAME);
PendingIntent pi = PendingIntent.getBroadcast(this, -1, intent, 0);
//添加趋近警告
locationManager.addProximityAlert(lat, lng, radius, expiration, pi);
}
}
第二个类
package com.android.map;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.location.LocationManager;
import android.widget.Toast;
public class ProximityAlertReciever extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
//趋近关键字
String key = LocationManager.KEY_PROXIMITY_ENTERING;
//从Intent获得额外信息，判断是否进入设置区域
boolean isEnter = intent.getBooleanExtra(key, false);
if(isEnter){
Toast.makeText(context, "你已经进入海淀区！", Toast.LENGTH_LONG).show();
}
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="测试 趋紧服务"
/>
<Button
android:text="设定"
android:id="@+id/button01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</RelativeLayout>
androidMainifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.map"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="16" />
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".AndroidmapActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<uses-library android:name="com.google.android.maps" />
<receiver android:name=".ProximityAlertReciever">
<intent-filter>
<action android:name="mx.android.ch14.ProximityAlert" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</receiver>
</application>
</manifest>
我的做法就是新建了个android类把这些贴进去，修改类名。
错误提示：
运行程序后先提示了一个错误。
error opening trace file: No such file or directory (2)
然后在模拟器中点击了按钮后就会提示一堆错误。
08-22 15:15:13.424: E/AndroidRuntime(1206): FATAL EXCEPTION: main
08-22 15:15:13.424: E/AndroidRuntime(1206): java.lang.SecurityException: Requires ACCESS_FINE_LOCATION permission
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.os.Parcel.readException(Parcel.java:1425)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.os.Parcel.readException(Parcel.java:1379)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.location.ILocationManager$Stub$Proxy.addProximityAlert(ILocationManager.java:818)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.location.LocationManager.addProximityAlert(LocationManager.java:1089)
08-22 15:15:13.424: E/AndroidRuntime(1206): at com.android.map.AndroidmapActivity.set(AndroidmapActivity.java:49)
08-22 15:15:13.424: E/AndroidRuntime(1206): at com.android.map.AndroidmapActivity.access$0(AndroidmapActivity.java:32)
08-22 15:15:13.424: E/AndroidRuntime(1206): at com.android.map.AndroidmapActivity$1.onClick(AndroidmapActivity.java:27)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.view.View.performClick(View.java:4084)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.view.View$PerformClick.run(View.java:16966)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.os.Handler.handleCallback(Handler.java:615)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.os.Handler.dispatchMessage(Handler.java:92)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.os.Looper.loop(Looper.java:137)
08-22 15:15:13.424: E/AndroidRuntime(1206): at android.app.ActivityThread.main(ActivityThread.java:4745)
08-22 15:15:13.424: E/AndroidRuntime(1206): at java.lang.reflect.Method.invokeNative(Native Method)
08-22 15:15:13.424: E/AndroidRuntime(1206): at java.lang.reflect.Method.invoke(Method.java:511)
08-22 15:15:13.424: E/AndroidRuntime(1206): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
08-22 15:15:13.424: E/AndroidRuntime(1206): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
08-22 15:15:13.424: E/AndroidRuntime(1206): at dalvik.system.NativeStart.main(Native Method)
怎么解决？另外，趋近提醒还有别的实现方法吗？
[解决办法]
没有ACCESS_FINE_LOCATION permission权限
在AndroidManifest.xml里面加入
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
[解决办法]
貌似没有访问权限，加一下这个试试看了。
<uses-permission android:name="android.ACCESS_FINE_LOCATION"/>
