使用谷歌地图Android版中的一个片段内 [英] Using Google Maps inside a Fragment in Android
问题描述
我试图加载谷歌地图里面的片段,我不断收到同样的错误,无论我想实现什么样的解决方案。我已经走了,虽然所有的类似的(如果不相同)的问题,并试图要做的第一几个最好的答案,建议,但可惜没有运气。所以,我真的AP preciate如果您能帮助我:
我的 MainActivity.java
如下:
包com.nzf.nzf.nzfmap;进口android.support.v4.app.Fragment;
进口android.os.Bundle;
导入android.support.v4.app *。
进口android.support.v4.view.ViewPager;
进口android.util.Log;进口的java.util.List;
进口java.util.Vector中;/ **
*创建者阿迪尔上21/04/2015。
* /
公共类MainActivity扩展FragmentActivity { 私人PagerAdapter mPagerAdapter;
公共静态FragmentManager fragmentManager;
@覆盖
保护无效的onCreate(捆绑savedInstanceState){
Log.d(位置,我在MainActivity);
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
//初始化所述FragmentManager的对象。
fragmentManager = getSupportFragmentManager();
initialisePaging();
}
私人无效initialisePaging(){
清单<片断>碎片=新的矢量<片断>();
fragments.add(新ListFragment());
fragments.add(新MapsFragment());
ViewPager寻呼机=(ViewPager)findViewById(R.id.viewpager);
mPagerAdapter =新PagerAdapter(getSupportFragmentManager(),片段);
pager.setAdapter(mPagerAdapter);
}}
有两个片段,我加入片段列表
1. ListFragment我有这个片段没有问题。
2. MapsFragment我主要关注的是在这个片段。
这里是我的 MapsFragment.java
内容:
包com.nzf.nzf.nzfmap;进口android.os.Bundle;
进口android.support.v4.app.Fragment;
进口android.util.Log;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.RelativeLayout;进口com.google.android.gms.maps.GoogleMap;
进口com.google.android.gms.maps.SupportMapFragment;
进口com.google.android.gms.maps.model.BitmapDescriptorFactory;
进口com.google.android.gms.maps.model.LatLng;
进口com.google.android.gms.maps.model.MarkerOptions;
公共类MapsFragment扩展片段{
静态最终经纬度墨尔本=新的经纬度(-37.8254,144.95410);
静态最终经纬度SYDNEY =新的经纬度(-33.86916,151.20437); 私人GoogleMap的MMAP; //可能为空,如果谷歌Play服务APK不可用。 公共MapsFragment(){
//必需的空公共构造
} @覆盖
公共无效onResume(){
super.onResume();
setUpMapIfNeeded();
}
@覆盖
公共查看onCreateView(LayoutInflater充气器,容器的ViewGroup,
捆绑savedInstanceState){
Log.d(位置,我在MapsFragment);
如果(集装箱== NULL){
返回null;
}
//充气的布局该片段
查看查看= inflater.inflate(R.layout.fragment_map,集装箱,FALSE); setUpMapIfNeeded(); 返回视图。
}
/ **
*设定地图,如果它是可以这样做(即谷歌Play服务APK是正确的
*安装)和地图尚未实例化的。这将确保我们只有永远
*调用{@link #setUpMap()}一次,{@link #mMap}不为空。
* LT; P />
*如果没有安装{@link SupportMapFragment}(和
* {@link com.google.android.gms.maps.MapView的MapView})将显示用户提示
*安装/更新的谷歌Play服务APK其设备上。
* LT; P />
*用户可以按照提示正确后,返回到该FragmentActivity
*安装/更新/启用谷歌播放服务。由于FragmentActivity不得
*都在此过程中被完全摧毁(很可能将仅是
*停止或暂停),{@link #onCreate(包)}可能不会被再次调用,所以我们应该把这种
*方法{@link #onResume()},以保证它会被调用。
* /
setUpMapIfNeeded私人无效(){
//做一个空检查确认,我们还没有实例化地图。
如果(MMAP == NULL){
//尝试获取来自SupportMapFragment地图。
MMAP =((SupportMapFragment)getFragmentManager()。findFragmentById(R.id.map))
.getMap();
//检查是否成功地获得地图。
如果(MMAP!= NULL){
setUpMap();
}
}
}
/ **
*这是我们可以添加标记或线条,添加侦听器或移动相机。在这种情况下,我们
*只需添加非洲附近的一个标记。
* LT; P />
*这应该只被调用一次,当我们确信{@link #mMap}不为空。
* /
私人无效setUpMap(){
mMap.addMarker(新的MarkerOptions()位置(墨尔本).title伪(mMarker)。);
莫的MarkerOptions =新的MarkerOptions();
mo.draggable(真);
mo.position(悉尼).title伪(sMarker);
mo.icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_launcher));
mMap.addMarker(MO); Log.d(Constants.LOG,上setUpMap); }
公共接口常量{
字符串LOG =com.nzf.nzf.nzfmap;
}}
XML文件(fragment_map.xml )所提到的片段如下:
<的RelativeLayout的xmlns:机器人=http://schemas.android.com/apk/res/android
的xmlns:工具=http://schemas.android.com/tools
机器人:layout_width =match_parent
机器人:layout_height =match_parent
工具:上下文=com.nzf.nzf.nzfmap.MapsFragment><片段
机器人:ID =@ + ID /图
机器人:layout_width =match_parent
机器人:layout_height =match_parent
类=com.google.android.gms.maps.SupportMapFragment/>< / RelativeLayout的>
我在logcat中得到的错误如下所示:
07-04 21:32:37.455 7623-7623 / com.example.nzf.nzfmap D /职务:我在MainActivity
07-04 21:32:37.530 7623-7623 / com.example.nzf.nzfmap D / dalvikvm:GC_FOR_ALLOC释放103K,17%免费10022K / 12000K,暂停23MS,23MS总
07-04 21:32:37.535 7623-7623 / com.example.nzf.nzfmap I / dalvikvm堆:堆成长(frag的情况下),以12.689MB为1127536字节分配
07-04 21:32:37.565 7623-7632 / com.example.nzf.nzfmap D / dalvikvm:GC_FOR_ALLOC释放< 1K,免费11123K / 13104K 16%,暂停24ms,总24ms
07-04 21:32:37.615 7623-7623 / com.example.nzf.nzfmap D /职务:我在ListFragment
07-04 21:32:37.615 7623-7623 / com.example.nzf.nzfmap D /职务:我在MapsFragment
07-04 21:32:37.630 7623-7623 / com.example.nzf.nzfmap I / X:造物主制作动态
07-04 21:32:37.650 7623-7623 / com.example.nzf.nzfmap I /谷歌地图API的Android:谷歌Play服务的客户端版本:6587000
07-04 21:32:37.655 7623-7623 / com.example.nzf.nzfmap I /谷歌地图API的Android:谷歌播放服务包的版本:7574036
07-04 21:32:37.675 7623-7623 / com.example.nzf.nzfmap I / dalvikvm:找不到方法android.app.AppOpsManager.checkPackage,从方法com.google.android.gms.common.ij引用。一个
07-04 21:32:37.675 7623-7623 / com.example.nzf.nzfmap W / dalvikvm:VFY:无法解析虚方法111:Landroid /应用/ AppOpsManager; .checkPackage(ILjava /朗/字符串;)V
07-04 21:32:37.675 7623-7623 / com.example.nzf.nzfmap D / dalvikvm:VFY:在更换运code 0x6e×0012
07-04 21:32:37.675 7623-7623 / com.example.nzf.nzfmap I / dalvikvm:找不到方法android.content.pm.PackageManager.getPackageInstaller,从方法com.google.android.gms.common引用。 ij.a
07-04 21:32:37.675 7623-7623 / com.example.nzf.nzfmap W / dalvikvm:VFY:无法解析虚方法449:Landroid /内容/ PM /软件包管理系统; .getPackageInstaller()Landroid /内容/ PM / PackageInstaller;
07-04 21:32:37.680 7623-7623 / com.example.nzf.nzfmap D / dalvikvm:VFY:更换运code。在0x000d 0x6e
07-04 21:32:37.685 7623-7623 / com.example.nzf.nzfmap I / dalvikvm:找不到方法android.app.Notification $ Builder.setLocalOnly,从方法com.google.android.gms.common引用。 ij.b
07-04 21:32:37.685 7623-7623 / com.example.nzf.nzfmap W / dalvikvm:VFY:无法解析虚方法154:Landroid /应用/通知$生成器; .setLocalOnly(Z)Landroid /应用/通知$生成器;
07-04 21:32:37.685 7623-7623 / com.example.nzf.nzfmap D / dalvikvm:VFY:在更换运code 0x6e 0x0201
07-04 21:32:37.895 7623-7623 / com.example.nzf.nzfmap D / AbsListView:获取MotionRecognitionManager
07-04 21:32:37.900 7623-7623 / com.example.nzf.nzfmap D / AbsListView:onVisibilityChanged()被调用,能见度:8
07-04 21:32:37.900 7623-7623 / com.example.nzf.nzfmap D / AbsListView:unregisterIRListener()被调用
07-04 21:32:37.905 7623-7623 / com.example.nzf.nzfmap D / AbsListView:onVisibilityChanged()被调用,能见度:8
07-04 21:32:37.905 7623-7623 / com.example.nzf.nzfmap D / AbsListView:unregisterIRListener()被调用
07-04 21:32:37.975 7623-7668 / com.example.nzf.nzfmap D / dalvikvm:GC_FOR_ALLOC释放558K,17%免费12102K / 14532K,暂停31毫秒,31毫秒总
07-04 21:32:38.080 7623-7623 / com.example.nzf.nzfmap D / AbsListView:onVisibilityChanged()被调用,能见度:0
07-04 21:32:38.080 7623-7623 / com.example.nzf.nzfmap D / AbsListView:unregisterIRListener()被调用
07-04 21:32:38.110 7623-7623 / com.example.nzf.nzfmap D / AndroidRuntime:关闭VM
07-04 21:32:38.110 7623-7623 / com.example.nzf.nzfmap W / dalvikvm:主题ID = 1:螺纹未捕获的异常退出(组= 0x41bae700)
07-04 21:32:38.115 7623-7623 / com.example.nzf.nzfmap E / AndroidRuntime:致命异常:主要
显示java.lang.NullPointerException
在com.nzf.nzf.nzfmap.MapsFragment.setUpMapIfNeeded(MapsFragment.java:66)
在com.nzf.nzf.nzfmap.MapsFragment.onCreateView(MapsFragment.java:43)
在android.support.v4.app.Fragment.performCreateView(Fragment.java:1786)
在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947)
在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126)
在android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739)
在android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489)
在android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486)
在android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141)
在android.support.v4.view.ViewPager.populate(ViewPager.java:1073)
在android.support.v4.view.ViewPager.populate(ViewPager.java:919)
在android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441)
在android.view.View.measure(View.java:16831)
在android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
在android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1410)
在android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
在android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
在android.view.View.measure(View.java:16831)
在android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
在android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
在android.view.View.measure(View.java:16831)
在android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
在android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1410)
在android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
在android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
在android.view.View.measure(View.java:16831)
在android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
在android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
在com.android.internal.policy.impl.PhoneWindow $ DecorView.onMeasure(PhoneWindow.java:2586)
在android.view.View.measure(View.java:16831)
在android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2189)
在android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1352)
在android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1535)
在android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1249)
在android.view.ViewRootImpl $ TraversalRunnable.run(ViewRootImpl.java:6364)
在android.view.Choreographer $ CallbackRecord.run(Choreographer.java:791)
在android.view.Choreographer.doCallbacks(Choreographer.java:591)
在android.view.Choreographer.doFrame(Choreographer.java:561)
在android.view.Choreographer $ FrameDisplayEventReceiver.run(Choreographer.java:777)
在android.os.Handler.handleCallback(Handler.java:730)
在android.os.Handler.dispatchMessage(Handler.java:92)
在android.os.Looper.loop(Looper.java:137)
在android.app.ActivityThread.main(ActivityThread.java:5419)
在java.lang.reflect.Method.invokeNative(本机方法)
在java.lang.reflect.Method.invoke(Method.java:525)
在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:1209)
在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
在dalvik.system.NativeStart.main(本机方法)
编辑1:这里是我的的AndroidManifest.xml
文件:
<?XML版本=1.0编码=UTF-8&GT?;
<清单的xmlns:机器人=http://schemas.android.com/apk/res/android
包=com.nzf.nzf.nzfmap> <使用许可权的android:NAME =android.permission.INTERNET对/>
<使用许可权的android:NAME =android.permission.ACCESS_NETWORK_STATE/>
<使用许可权的android:NAME =android.permission.WRITE_EXTERNAL_STORAGE/>
<使用许可权的android:NAME =com.google.android.providers.gsf.permission.READ_GSERVICES/>
<! -
该ACCESS_COARSE / FINE_LOCATION权限无需使用
谷歌地图Android版API V2,但建议。
- >
<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/> <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>
&所述;元数据
机器人:名字=com.google.android.gms.version
机器人:值=@整数/ GOOGLE_PLAY_SERVICES_VERSION/>
&所述;元数据
机器人:名字=com.google.android.maps.v2.API_KEY
机器人:值=@字符串/ google_maps_key/> <活动
机器人:名字=com.nzf.nzf.nzfmap.MainActivity
机器人:标签=@字符串/ title_activity_maps>
&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;
< /用途>< /清单>
您MapsFragment线66条,替换:
//尝试获取来自SupportMapFragment地图。
MMAP =((SupportMapFragment)getFragmentManager()。findFragmentById(R.id.map))
.getMap();
按
//尝试获取来自SupportMapFragment地图。
MMAP =((SupportMapFragment)getChildFragmentManager()。findFragmentById(R.id.map))
.getMap();
由于地图片段的一个片段的片段,而不是由顶层FragmentManager管理
另外,我不知道,但你可能要设置您的地图异步:
((SupportMapFragment)getChildFragmentManager()。findFragmentById(R.id.map))。getMapAsync(
新OnMa preadyCallback(){
@覆盖
公共无效onMa pready(GoogleMap的GoogleMap的){
MMAP = GoogleMap的;
setUpMap();
}
});
I am trying to load Google Maps inside fragment ,and I keep getting the same error regardless of what solution I am trying to implement. I have already gone though all of the similar(if not the same) questions and have tried to do what the first few best answers have suggested but sadly without luck. So I really would appreciate it if you could help me out:
My MainActivity.java
is as follows:
package com.nzf.nzf.nzfmap;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.support.v4.app.*;
import android.support.v4.view.ViewPager;
import android.util.Log;
import java.util.List;
import java.util.Vector;
/**
* Created by Adil on 21/04/2015.
*/
public class MainActivity extends FragmentActivity {
private PagerAdapter mPagerAdapter;
public static FragmentManager fragmentManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
Log.d("Position", "I am in MainActivity");
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// initialising the object of the FragmentManager.
fragmentManager = getSupportFragmentManager();
initialisePaging();
}
private void initialisePaging() {
List<Fragment> fragments = new Vector<Fragment>();
fragments.add(new ListFragment());
fragments.add(new MapsFragment());
ViewPager pager = (ViewPager) findViewById(R.id.viewpager);
mPagerAdapter = new PagerAdapter(getSupportFragmentManager(),fragments);
pager.setAdapter(mPagerAdapter);
}
}
There are two Fragments that I am adding to Fragments list
1. ListFragment I have no issues with this fragment.
2. MapsFragment my main concern is in this fragment.
Here is my MapsFragment.java
content:
package com.nzf.nzf.nzfmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RelativeLayout;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
public class MapsFragment extends Fragment {
static final LatLng MELBOURNE = new LatLng(-37.8254,144.95410);
static final LatLng SYDNEY = new LatLng(-33.86916,151.20437);
private GoogleMap mMap; // Might be null if Google Play services APK is not available.
public MapsFragment() {
// Required empty public constructor
}
@Override
public void onResume() {
super.onResume();
setUpMapIfNeeded();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d("Position", "I am in MapsFragment");
if (container == null) {
return null;
}
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_map, container, false);
setUpMapIfNeeded();
return view;
}
/**
* Sets up the map if it is possible to do so (i.e., the Google Play services APK is correctly
* installed) and the map has not already been instantiated.. This will ensure that we only ever
* call {@link #setUpMap()} once when {@link #mMap} is not null.
* <p/>
* If it isn't installed {@link SupportMapFragment} (and
* {@link com.google.android.gms.maps.MapView MapView}) will show a prompt for the user to
* install/update the Google Play services APK on their device.
* <p/>
* A user can return to this FragmentActivity after following the prompt and correctly
* installing/updating/enabling the Google Play services. Since the FragmentActivity may not
* have been completely destroyed during this process (it is likely that it would only be
* stopped or paused), {@link #onCreate(Bundle)} may not be called again so we should call this
* method in {@link #onResume()} to guarantee that it will be called.
*/
private void setUpMapIfNeeded() {
// Do a null check to confirm that we have not already instantiated the map.
if (mMap == null) {
// Try to obtain the map from the SupportMapFragment.
mMap = ((SupportMapFragment)getFragmentManager().findFragmentById(R.id.map))
.getMap();
// Check if we were successful in obtaining the map.
if (mMap != null) {
setUpMap();
}
}
}
/**
* This is where we can add markers or lines, add listeners or move the camera. In this case, we
* just add a marker near Africa.
* <p/>
* This should only be called once and when we are sure that {@link #mMap} is not null.
*/
private void setUpMap() {
mMap.addMarker(new MarkerOptions().position(MELBOURNE).title("mMarker"));
MarkerOptions mo = new MarkerOptions();
mo.draggable(true);
mo.position(SYDNEY).title("sMarker");
mo.icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_launcher));
mMap.addMarker(mo);
Log.d(Constants.LOG, "on setUpMap");
}
public interface Constants {
String LOG = "com.nzf.nzf.nzfmap";
}
}
The Xml file(fragment_map.xml
) of the mentioned fragment is as follows:
<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="com.nzf.nzf.nzfmap.MapsFragment">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
</RelativeLayout>
The error I am getting in the logcat is given below:
07-04 21:32:37.455 7623-7623/com.example.nzf.nzfmap D/Position﹕ I am in MainActivity
07-04 21:32:37.530 7623-7623/com.example.nzf.nzfmap D/dalvikvm﹕ GC_FOR_ALLOC freed 103K, 17% free 10022K/12000K, paused 23ms, total 23ms
07-04 21:32:37.535 7623-7623/com.example.nzf.nzfmap I/dalvikvm-heap﹕ Grow heap (frag case) to 12.689MB for 1127536-byte allocation
07-04 21:32:37.565 7623-7632/com.example.nzf.nzfmap D/dalvikvm﹕ GC_FOR_ALLOC freed <1K, 16% free 11123K/13104K, paused 24ms, total 24ms
07-04 21:32:37.615 7623-7623/com.example.nzf.nzfmap D/Position﹕ I am in ListFragment
07-04 21:32:37.615 7623-7623/com.example.nzf.nzfmap D/Position﹕ I am in MapsFragment
07-04 21:32:37.630 7623-7623/com.example.nzf.nzfmap I/x﹕ Making Creator dynamically
07-04 21:32:37.650 7623-7623/com.example.nzf.nzfmap I/Google Maps Android API﹕ Google Play services client version: 6587000
07-04 21:32:37.655 7623-7623/com.example.nzf.nzfmap I/Google Maps Android API﹕ Google Play services package version: 7574036
07-04 21:32:37.675 7623-7623/com.example.nzf.nzfmap I/dalvikvm﹕ Could not find method android.app.AppOpsManager.checkPackage, referenced from method com.google.android.gms.common.ij.a
07-04 21:32:37.675 7623-7623/com.example.nzf.nzfmap W/dalvikvm﹕ VFY: unable to resolve virtual method 111: Landroid/app/AppOpsManager;.checkPackage (ILjava/lang/String;)V
07-04 21:32:37.675 7623-7623/com.example.nzf.nzfmap D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0012
07-04 21:32:37.675 7623-7623/com.example.nzf.nzfmap I/dalvikvm﹕ Could not find method android.content.pm.PackageManager.getPackageInstaller, referenced from method com.google.android.gms.common.ij.a
07-04 21:32:37.675 7623-7623/com.example.nzf.nzfmap W/dalvikvm﹕ VFY: unable to resolve virtual method 449: Landroid/content/pm/PackageManager;.getPackageInstaller ()Landroid/content/pm/PackageInstaller;
07-04 21:32:37.680 7623-7623/com.example.nzf.nzfmap D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x000d
07-04 21:32:37.685 7623-7623/com.example.nzf.nzfmap I/dalvikvm﹕ Could not find method android.app.Notification$Builder.setLocalOnly, referenced from method com.google.android.gms.common.ij.b
07-04 21:32:37.685 7623-7623/com.example.nzf.nzfmap W/dalvikvm﹕ VFY: unable to resolve virtual method 154: Landroid/app/Notification$Builder;.setLocalOnly (Z)Landroid/app/Notification$Builder;
07-04 21:32:37.685 7623-7623/com.example.nzf.nzfmap D/dalvikvm﹕ VFY: replacing opcode 0x6e at 0x0201
07-04 21:32:37.895 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ Get MotionRecognitionManager
07-04 21:32:37.900 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ onVisibilityChanged() is called, visibility : 8
07-04 21:32:37.900 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ unregisterIRListener() is called
07-04 21:32:37.905 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ onVisibilityChanged() is called, visibility : 8
07-04 21:32:37.905 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ unregisterIRListener() is called
07-04 21:32:37.975 7623-7668/com.example.nzf.nzfmap D/dalvikvm﹕ GC_FOR_ALLOC freed 558K, 17% free 12102K/14532K, paused 31ms, total 31ms
07-04 21:32:38.080 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ onVisibilityChanged() is called, visibility : 0
07-04 21:32:38.080 7623-7623/com.example.nzf.nzfmap D/AbsListView﹕ unregisterIRListener() is called
07-04 21:32:38.110 7623-7623/com.example.nzf.nzfmap D/AndroidRuntime﹕ Shutting down VM
07-04 21:32:38.110 7623-7623/com.example.nzf.nzfmap W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x41bae700)
07-04 21:32:38.115 7623-7623/com.example.nzf.nzfmap E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.NullPointerException
at com.nzf.nzf.nzfmap.MapsFragment.setUpMapIfNeeded(MapsFragment.java:66)
at com.nzf.nzf.nzfmap.MapsFragment.onCreateView(MapsFragment.java:43)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486)
at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1073)
at android.support.v4.view.ViewPager.populate(ViewPager.java:919)
at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441)
at android.view.View.measure(View.java:16831)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1410)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
at android.view.View.measure(View.java:16831)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16831)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1410)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)
at android.view.View.measure(View.java:16831)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5245)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2586)
at android.view.View.measure(View.java:16831)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2189)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1352)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1535)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1249)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6364)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:791)
at android.view.Choreographer.doCallbacks(Choreographer.java:591)
at android.view.Choreographer.doFrame(Choreographer.java:561)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:777)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
at dalvik.system.NativeStart.main(Native Method)
Edit 1: Here is my AndroidManifest.xml
file:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.nzf.nzf.nzfmap" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<!--
The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
Google Maps Android API v2, but are recommended.
-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="@string/google_maps_key" />
<activity
android:name="com.nzf.nzf.nzfmap.MainActivity"
android:label="@string/title_activity_maps" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
line 66 of your MapsFragment, replace:
// Try to obtain the map from the SupportMapFragment.
mMap = ((SupportMapFragment)getFragmentManager().findFragmentById(R.id.map))
.getMap();
by:
// Try to obtain the map from the SupportMapFragment.
mMap = ((SupportMapFragment)getChildFragmentManager().findFragmentById(R.id.map))
.getMap();
Because your map fragment is a fragment in a fragment, and not managed by the top level FragmentManager.
Also, I am not sure but you may want to setup your Map asynchronously:
((SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.map)).getMapAsync(
new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
setUpMap();
}
});
这篇关于使用谷歌地图Android版中的一个片段内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!