Android版谷歌地图V2停车 [英] Android Google Maps v2 Stopping

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本文介绍了Android版谷歌地图V2停车的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我是新来的Andr​​oid和谷歌地图API第2版。我试图在API中我的应用程序集成,但我得到:


  

不幸的是,地图实例已经停止。


谁能帮我找到错误了吗?

MainActivity类别:

 进口android.app.Activity;进口android.os.Bundle;
进口android.widget.Toast;进口com.google.android.gms.maps.GoogleMap;
 进口com.google.android.gms.maps.MapFragment;  公共类MainActivity延伸活动{@覆盖
保护无效的onCreate(捆绑savedInstanceState){
    super.onCreate(savedInstanceState);
    的setContentView(R.layout.activity_main);    GoogleMap的地图;
    地图=((MapFragment)getFragmentManager()。findFragmentById(R.id.map))
            .getMap();    如果(图== NULL)
        Toast.makeText(getApplicationContext(),
                对不起!无法创建地图,Toast.LENGTH_SHORT).show();
    其他{
        //做somework在这里。    }    }    }

activity_main.xml中

 <的RelativeLayout的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
的xmlns:工具=htt​​p://schemas.android.com/tool​​s
机器人:layout_width =match_parent
机器人:layout_height =match_parent
机器人:paddingBottom会=@扪/ activity_vertical_margin
机器人:paddingLeft =@扪/ activity_horizo​​ntal_margin
机器人:paddingRight =@扪/ activity_horizo​​ntal_margin
机器人:paddingTop =@扪/ activity_vertical_margin
工具:上下文=MainActivity。><! - 谷歌地图API V2 - ><片段
    机器人:ID =@ + ID /图
    机器人:名字=com.google.android.gms.maps.MapFragment
    机器人:layout_width =match_parent
    机器人:layout_height =match_parent/>< / RelativeLayout的>

Androidmainfest.xml

 <许可
    机器人:名字=com.example.example.permission.MAPS_RECEIVE
    安卓的ProtectionLevel =签名>
< /许可> <使用许可权的android:NAME =com.example.mapexample.permission.MAPS_RECEIVE/>
<使用许可权的android:NAME =com.google.android.providers.gsf.permission.READ_GSERVICES/>
<使用许可权的android:NAME =android.permission.INTERNET对/>
<使用许可权的android:NAME =android.permission.WRITE_EXTERNAL_STORAG​​E/>
<使用许可权的android:NAME =android.permission.ACCESS_COARSE_LOCATION/>
<使用许可权的android:NAME =android.permission.ACCESS_FINE_LOCATION/><用途特征
    机器人:glEsVersion =0x00020000
    机器人:要求=真/><用途-SDK
    安卓的minSdkVersion =11
    机器人:targetSdkVersion =21/><应用
    机器人:allowBackup =真
    机器人:图标=@绘制/ ic_launcher
    机器人:标签=@字符串/ APP_NAME
    机器人:主题=@风格/ AppTheme>
    <活动
        机器人:名字=。MainActivity
        机器人:标签=@字符串/ APP_NAME>
    < /活性GT;
    <活动
        机器人:样本NAME =
        机器人:标签=@字符串/ title_activity_sample>
        &所述;意图滤光器>
            <作用机器人:名字=android.intent.action.MAIN/>            <类机器人:名字=android.intent.category.LAUNCHER/>
        &所述; /意图滤光器>
    < /活性GT;    !< - <使用库机器人:名字=com.google.android.maps/> - >
    &所述;元数据
        机器人:名字=com.google.android.gms.version
        机器人:值=6587000/>    <! - API密钥 - >
    &所述;元数据
        机器人:名字=com.google.android.maps.v2.API_KEY
        机器人:值=API-KEY-HERE/>
< /用途>

我logcat的输出

  06-10 21:03:06.610:E / dalvikvm(857):找不到类的com.google.android.gms.maps.MapFragment,从法引用COM .example.mapexample.MainActivity.onCreate
06-10 21:03:06.610:W / dalvikvm(857):VFY:无法解决入住投第1271(LCOM /谷歌/安卓/ GMS /地图/ MapFragment;)在LCOM /例子/ mapexample / MainActivity;
06-10 21:03:06.610:D / dalvikvm(857):VFY:在更换运code 0x1F的0x0014
06-10 21:03:06.670:D / AndroidRuntime(857):关闭VM
06-10 21:03:06.670:W / dalvikvm(857):主题ID = 1:螺纹未捕获的异常退出(组= 0xb1ae6d70)
06-10 21:03:06.880:E / AndroidRuntime(857):致命异常:主要
06-10 21:03:06.880:E / AndroidRuntime(857):工艺:com.example.mapexample,PID:857
06-10 21:03:06.880:E / AndroidRuntime(857):了java.lang.RuntimeException:无法启动活动ComponentInfo {com.example.mapexample / com.example.mapexample.MainActivity}:android.view.InflateException:二进制XML文件行#13:错误充气类片段
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread.access $ 800(ActivityThread.java:138)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1209)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.os.Handler.dispatchMessage(Handler.java:102)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.os.Looper.loop(Looper.java:136)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread.main(ActivityThread.java:5026)
06-10 21:03:06.880:E / AndroidRuntime(857):在java.lang.reflect.Method.invokeNative(本机方法)
06-10 21:03:06.880:E / AndroidRuntime(857):在java.lang.reflect.Method.invoke(Method.java:515)
06-10 21:03:06.880:E / AndroidRuntime(857):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:777)
06-10 21:03:06.880:E / AndroidRuntime(857):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
06-10 21:03:06.880:E / AndroidRuntime(857):在dalvik.system.NativeStart.main(本机方法)
06-10 21:03:06.880:E / AndroidRuntime(857):android.view.InflateException:二进制XML文件行#13:错误充气类片段产生的原因
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.inflate(LayoutInflater.java:492)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.inflate(LayoutInflater.java:397)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.inflate(LayoutInflater.java:353)
06-10 21:03:06.880:E / AndroidRuntime(857):在com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:309)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Activity.setContentView(Activity.java:1930)
06-10 21:03:06.880:E / AndroidRuntime(857):在com.example.mapexample.MainActivity.onCreate(MainActivity.java:15)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Activity.performCreate(Activity.java:5242)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)
06-10 21:03:06.880:E / AndroidRuntime(857):11 ...更多
06-10 21:03:06.880:E / AndroidRuntime(857):$ android.app.Fragment InstantiationException:产生的原因无法实例片段com.google.android.gms.maps.MapFragment:确保类名称存在,是公众,并且有一个空的构造是公
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Fragment.instantiate(Fragment.java:597)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Fragment.instantiate(Fragment.java:561)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Activity.onCreateView(Activity.java:4788)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
06-10 21:03:06.880:E / AndroidRuntime(857):21 ...更多
06-10 21:03:06.880:E / AndroidRuntime(857):抛出java.lang.ClassNotFoundException:产生的原因没有找到类com.google.android.gms.maps.MapFragment的路径:DexPathList [拉链文件\"/data/app/com.example.mapexample-1.apk\"],nativeLibraryDirectories=[/data/app-lib/com.example.mapexample-1, /系统/ lib目录]
06-10 21:03:06.880:E / AndroidRuntime(857):在dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
06-10 21:03:06.880:E / AndroidRuntime(857):在java.lang.ClassLoader.loadClass(ClassLoader.java:497)
06-10 21:03:06.880:E / AndroidRuntime(857):在java.lang.ClassLoader.loadClass(ClassLoader.java:457)
06-10 21:03:06.880:E / AndroidRuntime(857):在android.app.Fragment.instantiate(Fragment.java:583)
06-10 21:03:06.880:E / AndroidRuntime(857):24 ...更多


解决方案

您code似乎罚款。你可以试试这种方法,这在官方文档中提到,

  @覆盖
保护无效的onCreate(捆绑savedInstanceState){
    super.onCreate(savedInstanceState);
    的setContentView(R.layout.activity_main);    setUpMapIfNeeded()}setUpMapIfNeeded私人无效(){
    MapFragment mapFragment =(MapFragment)getFragmentManager()
            .findFragmentById(R.id.map);
    mapFragment.getMapAsync(MainActivity.this);
}@覆盖
    公共无效onMa pready(最终的GoogleMap的GoogleMap){        //地图已加载
    }

请确保您的类实现的 OnMa preadyCallback

I am new to Android and Google Maps v2 API. I tried to integrate the API in my app but I am getting:

Unfortunately, Map Example has stopped.

Can anyone help me finding the mistake?

MainActivity class:

import android.app.Activity;

import android.os.Bundle;
import android.widget.Toast;

import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.MapFragment;

  public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    GoogleMap map;
    map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map))
            .getMap();

    if (map == null)
        Toast.makeText(getApplicationContext(),
                "Sorry! unable to create Map.", Toast.LENGTH_SHORT).show();
    else {
        // do somework here.

    }

    }

    }

activity_main.xml

<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"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<!-- Google Maps API V2 -->

<fragment
    android:id="@+id/map"
    android:name="com.google.android.gms.maps.MapFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

</RelativeLayout>

Androidmainfest.xml

<permission
    android:name="com.example.example.permission.MAPS_RECEIVE"
    android:protectionLevel="signature" >
</permission>



 <uses-permission android:name="com.example.mapexample.permission.MAPS_RECEIVE" />
<uses-permission                                   android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<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" />

<uses-sdk
    android:minSdkVersion="11"
    android:targetSdkVersion="21" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name=".MainActivity"
        android:label="@string/app_name" >
    </activity>
    <activity
        android:name=".Sample"
        android:label="@string/title_activity_sample" >
        <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"/> -->
    <meta-data
        android:name="com.google.android.gms.version"
        android:value="6587000" />

    <!-- API KEY -->
    <meta-data
        android:name="com.google.android.maps.v2.API_KEY"
        android:value="API-KEY-HERE" />
</application> 

My logcat output

 06-10 21:03:06.610: E/dalvikvm(857): Could not find class 'com.google.android.gms.maps.MapFragment', referenced from method com.example.mapexample.MainActivity.onCreate
06-10 21:03:06.610: W/dalvikvm(857): VFY: unable to resolve check-cast 1271 (Lcom/google/android/gms/maps/MapFragment;) in Lcom/example/mapexample/MainActivity;
06-10 21:03:06.610: D/dalvikvm(857): VFY: replacing opcode 0x1f at 0x0014
06-10 21:03:06.670: D/AndroidRuntime(857): Shutting down VM
06-10 21:03:06.670: W/dalvikvm(857): threadid=1: thread exiting with uncaught exception (group=0xb1ae6d70)
06-10 21:03:06.880: E/AndroidRuntime(857): FATAL EXCEPTION: main
06-10 21:03:06.880: E/AndroidRuntime(857): Process: com.example.mapexample, PID: 857
06-10 21:03:06.880: E/AndroidRuntime(857): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mapexample/com.example.mapexample.MainActivity}: android.view.InflateException: Binary XML file line #13: Error inflating class fragment
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread.access$800(ActivityThread.java:138)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.os.Handler.dispatchMessage(Handler.java:102)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.os.Looper.loop(Looper.java:136)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread.main(ActivityThread.java:5026)
06-10 21:03:06.880: E/AndroidRuntime(857):  at java.lang.reflect.Method.invokeNative(Native Method)
06-10 21:03:06.880: E/AndroidRuntime(857):  at java.lang.reflect.Method.invoke(Method.java:515)
06-10 21:03:06.880: E/AndroidRuntime(857):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
06-10 21:03:06.880: E/AndroidRuntime(857):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
06-10 21:03:06.880: E/AndroidRuntime(857):  at dalvik.system.NativeStart.main(Native Method)
06-10 21:03:06.880: E/AndroidRuntime(857): Caused by: android.view.InflateException: Binary XML file line #13: Error inflating class fragment
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
06-10 21:03:06.880: E/AndroidRuntime(857):  at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:309)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Activity.setContentView(Activity.java:1930)
06-10 21:03:06.880: E/AndroidRuntime(857):  at com.example.mapexample.MainActivity.onCreate(MainActivity.java:15)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Activity.performCreate(Activity.java:5242)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)
06-10 21:03:06.880: E/AndroidRuntime(857):  ... 11 more
06-10 21:03:06.880: E/AndroidRuntime(857): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, is public, and has an empty constructor that is public
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Fragment.instantiate(Fragment.java:597)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Fragment.instantiate(Fragment.java:561)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Activity.onCreateView(Activity.java:4788)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
06-10 21:03:06.880: E/AndroidRuntime(857):  ... 21 more
06-10 21:03:06.880: E/AndroidRuntime(857): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.maps.MapFragment" on path: DexPathList[[zip file "/data/app/com.example.mapexample-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.mapexample-1, /system/lib]]
06-10 21:03:06.880: E/AndroidRuntime(857):  at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
06-10 21:03:06.880: E/AndroidRuntime(857):  at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
06-10 21:03:06.880: E/AndroidRuntime(857):  at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
06-10 21:03:06.880: E/AndroidRuntime(857):  at android.app.Fragment.instantiate(Fragment.java:583)
06-10 21:03:06.880: E/AndroidRuntime(857):  ... 24 more

解决方案

Your code seems fine. You may try this way, This is mentioned in the official docs,

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    setUpMapIfNeeded()

}

private void setUpMapIfNeeded() {
    MapFragment mapFragment = (MapFragment) getFragmentManager()
            .findFragmentById(R.id.map);
    mapFragment.getMapAsync(MainActivity.this);
}

@Override
    public void onMapReady(final GoogleMap googleMap) {

        // map has been loaded
    }

Make sure your class implements OnMapReadyCallback

这篇关于Android版谷歌地图V2停车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!

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