Android上的空白谷歌地图 [英] Google Maps on Android blank space
问题描述
我在Android(api10)一些奇怪的麻烦的GoogleMaps,我想我每次我需要显示的地图我的活动屏幕上,但它显示为空白(栅极和变焦按钮灰色空间)。我的继承人AndroidManifest,布局文件和活动的来源。
i some strange trouble with GoogleMaps on Android(api10), i think i got every i need to show map on my activity screen but it appear blank(gray space with grid and zoom buttons). Heres my AndroidManifest, layout file and source of activity.
[更新]我再拍项目只是在地图
[update]i make another project just for map
AndroidManifest
AndroidManifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pl.example.mapa"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="10"
android:targetSdkVersion="16" />
<permission android:name="your.application.package.permission.MAPS_RECEIVE" android:protectionLevel="signature"/>
<uses-permission android:name="your.application.package.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<uses-library android:name="com.google.android.maps" />
<activity
android:name="pl.example.mapa.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyATooww6ZGs80CF_2Zyjc3OMj9igbFNu9k" />
</application>
布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<fragment
android:name="com.google.android.gms.maps.SupportMapFragment"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent" />
mainActivity源
mainActivity source
package pl.example.mapa;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
public class MainActivity extends FragmentActivity {
private GoogleMap gMap;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//gMap = ((MapFragment) getFragmentManager().findFragmentById(R.id.mapFragment)).getMap();
}
}
我甘蔗添加日志跟踪,由于我不能在模拟器中运行它。
i cane add logs track due i cant run it on emulator
我敢打赌,它的一些小的觉得我会错过,但在这一刻所有的搜索后,我不知道whot是错误的。
i bet its some little think i miss but after all search in this moment i have no idea whot is wrong.
推荐答案
您需要一个API密钥添加到您的清单文件。
You need to add an API Key to your Manifest file.
1)获取您的API密钥(好说明这里)
1) Obtain your API Key (Good instructions here)
2)的结束标签前右下面的行添加到您的清单文件。
2) Add the following line to your Manifest file right before the end tag.
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="your_api_key"/>
这篇关于Android上的空白谷歌地图的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!