我试图在我的Android应用程序上使用谷歌位置,这是一个示例源代码。当运行这个应用程序时,它停止并给出消息,就像遗憾的是,locmaker已经停止。并从Logcat中显示Fatal exception Main和java.lang.RuntimeException:无法启动活动ComponentInfoits。任何人都知道可能是什么以及如何解决它,这是我的代码
MainActivity.java
package in.wptrafficanalyzer.locationmarkermysql;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.List;
import org.json.JSONException;
import org.json.JSONObject;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnMapClickListener;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
public class MainActivity extends FragmentActivity {
GoogleMap mGoogleMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Getting reference to SupportMapFragment
SupportMapFragment fragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
// Creating GoogleMap from SupportMapFragment
mGoogleMap = fragment.getMap();
// Enabling MyLocation button for the Google Map
mGoogleMap.setMyLocationEnabled(true);
// Setting OnClickEvent listener for the GoogleMap
mGoogleMap.setOnMapClickListener(new OnMapClickListener() {
@Override
public void onMapClick(LatLng latlng) {
addMarker(latlng);
sendToServer(latlng);
}
});
// Starting locations retrieve task
new RetrieveTask().execute();
}
// Adding marker on the GoogleMaps
private void addMarker(LatLng latlng) {
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(latlng);
markerOptions.title(latlng.latitude + "," + latlng.longitude);
mGoogleMap.addMarker(markerOptions);
}
// Invoking background thread to store the touched location in Remove MySQL server
private void sendToServer(LatLng latlng) {
new SaveTask().execute(latlng);
}
// Background thread to save the location in remove MySQL server
private class SaveTask extends AsyncTask<LatLng, Void, Void> {
@Override
protected Void doInBackground(LatLng... params) {
String lat = Double.toString(params[0].latitude);
String lng = Double.toString(params[0].longitude);
String strUrl = "http://----.com/location_marker_mysql/save.php";
URL url = null;
try {
url = new URL(strUrl);
HttpURLConnection connection = (HttpURLConnection) url
.openConnection();
connection.setRequestMethod("POST");
connection.setDoOutput(true);
OutputStreamWriter outputStreamWriter = new OutputStreamWriter(
connection.getOutputStream());
outputStreamWriter.write("lat=" + lat + "&lng="+lng);
outputStreamWriter.flush();
outputStreamWriter.close();
InputStream iStream = connection.getInputStream();
BufferedReader reader = new BufferedReader(new
InputStreamReader(iStream));
StringBuffer sb = new StringBuffer();
String line = "";
while( (line = reader.readLine()) != null){
sb.append(line);
}
reader.close();
iStream.close();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
// Background task to retrieve locations from remote mysql server
private class RetrieveTask extends AsyncTask<Void, Void, String>{
@Override
protected String doInBackground(Void... params) {
String strUrl = "http://----.com/location_marker_mysql/retrieve.php";
URL url = null;
StringBuffer sb = new StringBuffer();
try {
url = new URL(strUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.connect();
InputStream iStream = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(iStream));
String line = "";
while( (line = reader.readLine()) != null){
sb.append(line);
}
reader.close();
iStream.close();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return sb.toString();
}
@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
new ParserTask().execute(result);
}
}
// Background thread to parse the JSON data retrieved from MySQL server
private class ParserTask extends AsyncTask<String, Void, List<HashMap<String, String>>>{
@Override
protected List<HashMap<String,String>> doInBackground(String... params) {
MarkerJSONParser markerParser = new MarkerJSONParser();
JSONObject json = null;
try {
json = new JSONObject(params[0]);
} catch (JSONException e) {
e.printStackTrace();
}
List<HashMap<String, String>> markersList = markerParser.parse(json);
return markersList;
}
@Override
protected void onPostExecute(List<HashMap<String, String>> result) {
for(int i=0; i<result.size();i++){
HashMap<String, String> marker = result.get(i);
LatLng latlng = new LatLng(Double.parseDouble(marker.get("lat")), Double.parseDouble(marker.get("lng")));
addMarker(latlng);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
activity_main.xml中
<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" >
<fragment
android:id="@+id/map"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
</RelativeLayout>
androidmainfest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="in.wptrafficanalyzer.locationmarkermysql"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="9"
android:targetSdkVersion="17" />
<!-- Protect the map component of the application using application signature -->
<permission
android:name="in.wptrafficanalyzer.locationmarkermysql.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<!-- Allows to receive map -->
<uses-permission android:name="in.wptrafficanalyzer.locationmarkermysql.permission.MAPS_RECEIVE" />
<!-- Used by the Google Maps Android API V2 to download map tiles from Google Maps servers -->
<uses-permission android:name="android.permission.INTERNET" />
<!-- Allows the Google Maps Android API V2 to cache map tile data in the device's external storage area -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- Allows the Google Maps Android API V2 to use WiFi or mobile cell data (or both) to determine the device's location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<!-- Allows the Google Maps Android API V2 to use the Global Positioning System (GPS)
to determine the device's location to within a very small area -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<!-- Allows to contact Google Serves -->
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<!-- Google Maps Android API V2 requires 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" >
<activity
android:name="in.wptrafficanalyzer.locationmarkermysql.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>
<!-- Specifies the Android API Key, which is obtained from Google API Console -->
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="YOUR_ANDROID_API_KEY" />
</application>
logcat的
06-22 01:03:53.163: E/AndroidRuntime(23269): FATAL EXCEPTION: main
06-22 01:03:53.163: E/AndroidRuntime(23269): Process: in.wptrafficanalyzer.locationmarkermysql, PID: 23269
06-22 01:03:53.163: E/AndroidRuntime(23269): java.lang.RuntimeException: Unable to start activity ComponentInfo{in.wptrafficanalyzer.locationmarkermysql/in.wptrafficanalyzer.locationmarkermysql.MainActivity}: android.view.InflateException: Binary XML file line #11: Error inflating class fragment
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread.access$800(ActivityThread.java:151)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.os.Handler.dispatchMessage(Handler.java:102)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.os.Looper.loop(Looper.java:135)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread.main(ActivityThread.java:5254)
06-22 01:03:53.163: E/AndroidRuntime(23269): at java.lang.reflect.Method.invoke(Native Method)
06-22 01:03:53.163: E/AndroidRuntime(23269): at java.lang.reflect.Method.invoke(Method.java:372)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
06-22 01:03:53.163: E/AndroidRuntime(23269): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class fragment
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:763)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:378)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.Activity.setContentView(Activity.java:2145)
06-22 01:03:53.163: E/AndroidRuntime(23269): at in.wptrafficanalyzer.locationmarkermysql.MainActivity.onCreate(MainActivity.java:35)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.Activity.performCreate(Activity.java:5990)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
06-22 01:03:53.163: E/AndroidRuntime(23269): ... 10 more
06-22 01:03:53.163: E/AndroidRuntime(23269): Caused by: java.lang.IllegalStateException: The meta-data tag in your app's AndroidManifest.xml does not have the right value. Expected 7571000 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" />
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.common.GooglePlayServicesUtil.zzaa(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.common.GooglePlayServicesUtil.isGooglePlayServicesAvailable(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.internal.zzy.zzaz(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.internal.zzy.zzay(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.MapsInitializer.initialize(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.SupportMapFragment$zzb.zzvu(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.SupportMapFragment$zzb.zza(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.dynamic.zza.zza(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.dynamic.zza.onInflate(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at com.google.android.gms.maps.SupportMapFragment.onInflate(Unknown Source)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:284)
06-22 01:03:53.163: E/AndroidRuntime(23269): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
06-22 01:03:53.163: E/AndroidRuntime(23269): ... 20 more
06-22 01:03:57.018: I/Process(23269): Sending signal. PID: 23269 SIG: 9