【发布时间】:2014-03-26 19:29:40
【问题描述】:
我的代码
private static final LatLng AMSTERDAM = new LatLng(52.37518, 4.895439);
private static final LatLng PARIS = new LatLng(48.856132, 2.352448);
private static final LatLng FRANKFURT = new LatLng(50.111772, 8.682632);
private GoogleMap map;
private LatLngBounds latlngBounds;
private Button bNavigation;
private Polyline newPolyline;
private boolean isTravelingToParis = false;
private int width, height;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_navigation);
getSreenDimanstions();
map = ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map)).getMap();
bNavigation = (Button) findViewById(R.id.bNavigation);
bNavigation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!isTravelingToParis)
{
isTravelingToParis = true;
findDirections( AMSTERDAM.latitude, AMSTERDAM.longitude,PARIS.latitude, PARIS.longitude, GMapV2Direction.MODE_DRIVING );
}
else
{
isTravelingToParis = false;
findDirections( AMSTERDAM.latitude, AMSTERDAM.longitude, FRANKFURT.latitude, FRANKFURT.longitude, GMapV2Direction.MODE_DRIVING );
}
}
});
}
@Override
protected void onResume() {
super.onResume();
latlngBounds = createLatLngBoundsObject(AMSTERDAM, PARIS);
map.moveCamera(CameraUpdateFactory.newLatLngBounds(latlngBounds, width, height, 150));
}
public void handleGetDirectionsResult(ArrayList<LatLng> directionPoints) {
PolylineOptions rectLine = new PolylineOptions().width(5).color(Color.RED);
for(int i = 0 ; i < directionPoints.size() ; i++)
{
rectLine.add(directionPoints.get(i));
}
if (newPolyline != null)
{
newPolyline.remove();
}
newPolyline = map.addPolyline(rectLine);
if (isTravelingToParis)
{
latlngBounds = createLatLngBoundsObject(AMSTERDAM, PARIS);
map.animateCamera(CameraUpdateFactory.newLatLngBounds(latlngBounds, width, height, 150));
}
else
{
latlngBounds = createLatLngBoundsObject(AMSTERDAM, FRANKFURT);
map.animateCamera(CameraUpdateFactory.newLatLngBounds(latlngBounds, width, height, 150));
}
}
private void getSreenDimanstions()
{
Display display = getWindowManager().getDefaultDisplay();
width = display.getWidth();
height = display.getHeight();
}
private LatLngBounds createLatLngBoundsObject(LatLng firstLocation, LatLng secondLocation)
{
if (firstLocation != null && secondLocation != null)
{
LatLngBounds.Builder builder = new LatLngBounds.Builder();
builder.include(firstLocation).include(secondLocation);
return builder.build();
}
return null;
}
public void findDirections(double fromPositionDoubleLat, double fromPositionDoubleLong, double toPositionDoubleLat, double toPositionDoubleLong, String mode)
{
Map<String, String> map = new HashMap<String, String>();
map.put(GetDirectionsAsyncTask.USER_CURRENT_LAT, String.valueOf(fromPositionDoubleLat));
map.put(GetDirectionsAsyncTask.USER_CURRENT_LONG, String.valueOf(fromPositionDoubleLong));
map.put(GetDirectionsAsyncTask.DESTINATION_LAT, String.valueOf(toPositionDoubleLat));
map.put(GetDirectionsAsyncTask.DESTINATION_LONG, String.valueOf(toPositionDoubleLong));
map.put(GetDirectionsAsyncTask.DIRECTIONS_MODE, mode);
GetDirectionsAsyncTask asyncTask = new GetDirectionsAsyncTask(this);
asyncTask.execute(map);
}
}
MyLogCat
03-26 13:09:15.145:E/AndroidRuntime(389):致命异常:主要 03-26 13:09:15.145:E/AndroidRuntime(389):java.lang.RuntimeException: 无法开始活动 组件信息{com.emildesign.navigationapplication/com.emildesign.navigationapplication.NavigationActivity}: android.view.InflateException:二进制 XML 文件第 7 行:错误 膨胀类片段 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2249) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2299) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.ActivityThread.access$700(ActivityThread.java:154) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.app.ActivityThread$H.handleMessage(ActivityThread.java:1284) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.os.Handler.dispatchMessage(Handler.java:99) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.os.Looper.loop(Looper.java:137) 03-26 13:09:15.145: E/AndroidRuntime(389):在 android.app.ActivityThread.main(ActivityThread.java:5306) 03-26 13:09:15.145:E/AndroidRuntime(389):在 java.lang.reflect.Method.invokeNative(Native Method) 03-26 13:09:15.145:E/AndroidRuntime(389):在 java.lang.reflect.Method.invoke(Method.java:511) 03-26 13:09:15.145: E/AndroidRuntime(389):在 com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869) 03-26 13:09:15.145:E/AndroidRuntime(389):在 dalvik.system.NativeStart.main(Native Method) 03-26 13:09:15.145: E/AndroidRuntime(389):引起:android.view.InflateException: 二进制 XML 文件第 7 行:膨胀类片段时出错 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:710) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.view.LayoutInflater.rInflate(LayoutInflater.java:752) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.view.LayoutInflater.inflate(LayoutInflater.java:495) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.view.LayoutInflater.inflate(LayoutInflater.java:397) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.view.LayoutInflater.inflate(LayoutInflater.java:353) 03-26 13:09:15.145:E/AndroidRuntime(389):在 com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:342) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.Activity.setContentView(Activity.java:1928) 03-26 13:09:15.145:E/AndroidRuntime(389):在 com.emildesign.navigationapplication.NavigationActivity.onCreate(NavigationActivity.java:38) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.Activity.performCreate(Activity.java:5255) 03-26 13:09:15.145:E/AndroidRuntime(389):在 android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1097) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2213) 03-26 13:09:15.145: E/AndroidRuntime(389): ... 11 更多 03-26 13:09:15.145:E/AndroidRuntime(389):由以下原因引起: java.lang.IllegalStateException:应用程序中的元数据标记 AndroidManifest.xml 没有正确的值。预计4323000 但找到 0。您必须在 元素:03-26 13:09:15.145:E/AndroidRuntime(389):在 com.google.android.gms.common.GooglePlayServicesUtil.t(未知来源) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 com.google.android.gms.common.GooglePlayServicesUtil.isGooglePlayServicesAvailable(未知 来源) 03-26 13:09:15.145: E/AndroidRuntime(389): at com.google.android.gms.maps.internal.q.B(Unknown Source) 03-26 13:09:15.145:E/AndroidRuntime(389):在 com.google.android.gms.maps.internal.q.A(未知来源)03-26 13:09:15.145:E/AndroidRuntime(389):在 com.google.android.gms.maps.MapsInitializer.initialize(未知来源) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 com.google.android.gms.maps.SupportMapFragment$b.gW(未知来源) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 com.google.android.gms.maps.SupportMapFragment$b.a(未知来源) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 com.google.android.gms.dynamic.a.a(未知来源)03-26 13:09:15.145: E/AndroidRuntime(389):在 com.google.android.gms.dynamic.a.onInflate(Unknown Source) 03-26 13:09:15.145:E/AndroidRuntime(389):在 com.google.android.gms.maps.SupportMapFragment.onInflate(未知 来源) 03-26 13:09:15.145: E/AndroidRuntime(389): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:290) 03-26 13:09:15.145: E/AndroidRuntime(389): 在 android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:682) 03-26 13:09:15.145: E/AndroidRuntime(389): ... 21 更多
我的清单
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.emildesign.navigationapplication"
android:versionCode="1"
android:versionName="1.0" >
<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="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<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="com.emildesign.navigationapplication.permission.MAPS_RECEIVE" />
<permission
android:name="com.emildesign.navigationapplication.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<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" >
<activity
android:name="com.emildesign.navigationapplication.NavigationActivity"
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="ichangeditforyou" />
</application>
</manifest>
我的活动 XML
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
<Button
android:id="@+id/bNavigation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_margin="5dp"
android:text="Navigate" />
【问题讨论】:
-
这是什么 -
android:glEsVersion="0x00020000"?并感谢 API 密钥。非常有用。 -
检查你的 logcat 的这一部分:
The meta-data tag in your app's > AndroidManifest.xml does not have the right value. Expected 4323000 > but found 0. You must have the following declaration within the > <application> element: <meta-data > android:name="com.google.android.gms.version" > android:value="@integer/google_play_services_version" /> -
你改变了我的 api kye 吗?
标签: android google-maps android-fragments