我想在我的安卓手机上加载谷歌地图API。我尝试了所有我搜索到的方法,但它仍然崩溃。 这是我的MainActivity.java文件。
package com.example.androidmapsv2;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
public class MainActivity extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Show the Up button in the action bar.
getActionBar().setDisplayHomeAsUpEnabled(true);
GooglePlayServicesUtil.isGooglePlayServicesAvailable(getApplicationContext());
GoogleMap map = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
}
}
这是我的布局activity_main.xml。
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
这是我的清单。
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidmapsv2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="16" />
<permission
android:name="com.example.androidmapsv2.permission.MAPS_RECEIVE"
android:protectionLevel="signature" >
</permission>
<uses-permission android:name="com.example.androidmapsv2.permission.MAPS_RECEIVE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<!-- Require OpenGL ES version 2 -->
<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="com.example.androidmapsv2.MainActivity"
android:label="aaa" >
<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="AIzaSyDr9xN8L3sF6W2ZRWmTR7q0lhTeOWhXEfQ" />
</application>
</manifest>
这是我获得的密钥
![enter image description here](https://istack.dev59.com/euFt5.webp)
![enter image description here](https://istack.dev59.com/w3sxw.webp)
这是日志。
01-09 18:05:19.184: E/Trace(1366): error opening trace file: No such file or directory (2)
01-09 18:05:19.354: W/dalvikvm(1366): Unable to resolve superclass of Lcom/example/androidmapsv2/MainActivity; (5)
01-09 18:05:19.354: W/dalvikvm(1366): Link of class 'Lcom/example/androidmapsv2/MainActivity;' failed
01-09 18:05:19.365: D/AndroidRuntime(1366): Shutting down VM
01-09 18:05:19.365: W/dalvikvm(1366): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
01-09 18:05:19.384: E/AndroidRuntime(1366): FATAL EXCEPTION: main
01-09 18:05:19.384: E/AndroidRuntime(1366): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.androidmapsv2/com.example.androidmapsv2.MainActivity}: java.lang.ClassNotFoundException: com.example.androidmapsv2.MainActivity
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1983)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread.access$600(ActivityThread.java:130)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.os.Handler.dispatchMessage(Handler.java:99)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.os.Looper.loop(Looper.java:137)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread.main(ActivityThread.java:4745)
01-09 18:05:19.384: E/AndroidRuntime(1366): at java.lang.reflect.Method.invokeNative(Native Method)
01-09 18:05:19.384: E/AndroidRuntime(1366): at java.lang.reflect.Method.invoke(Method.java:511)
01-09 18:05:19.384: E/AndroidRuntime(1366): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
01-09 18:05:19.384: E/AndroidRuntime(1366): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
01-09 18:05:19.384: E/AndroidRuntime(1366): at dalvik.system.NativeStart.main(Native Method)
01-09 18:05:19.384: E/AndroidRuntime(1366): Caused by: java.lang.ClassNotFoundException: com.example.androidmapsv2.MainActivity
01-09 18:05:19.384: E/AndroidRuntime(1366): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
01-09 18:05:19.384: E/AndroidRuntime(1366): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
01-09 18:05:19.384: E/AndroidRuntime(1366): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.Instrumentation.newActivity(Instrumentation.java:1053)
01-09 18:05:19.384: E/AndroidRuntime(1366): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1974)
01-09 18:05:19.384: E/AndroidRuntime(1366): ... 11 more
更新
我尝试将Google Play服务库复制到工作区,然后红色标记消失了
但是出现了另一个错误。它缺少google-play-services_lib.jar(lib文件夹名称+ .jar)。如何修复它?
当我点击google-play-services_lib.jar时,删除按钮没有显示出来(就像图片中一样)。然而,我尝试删除所有Android依赖项并重新导入其他库。现在它可以工作,但仍然会崩溃。
我已经尝试更改
MainActivity extends Activity
To
MainActivity extends FragmentActivity
布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
出现了另一个错误,求助,我已经没有办法解决了。
最终,我解决了我的错误。我猜是因为我的Eclipse。当你添加库类时,它会自动出现“google-play-services_lib.jar”,你不需要做任何事情。我重新安装了Eclipse,一切正常运行。
google-play-services_lib.jar
,然后移除库即可。 - Rahul Patel赞成-反对
按钮下方的右侧按钮。 - Rahul Patel