Android 谷歌地图活动在成功安装后崩溃
不知道为什么会发生这种情况，应用程序没有显示错误，我也成功地获得了密钥，但活动没有运行 这是我的MapScreen类：Android 谷歌地图活动在成功安装后崩溃,android,google-maps,google-maps-api-3,Android,Google Maps,Google Maps Api 3,不知道为什么会发生这种情况，应用程序没有显示错误，我也成功地获得了密钥，但活动没有运行 这是我的MapScreen类： package com.example.prateekchachra.projectconnecttoastmasters; import android.app.Activity; import android.content.pm.PackageManager; import android.os.Persi
package com.example.prateekchachra.projectconnecttoastmasters;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.os.PersistableBundle;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v7.app.AppCompatActivity;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
/**
* Created by Prateek Chachra on 5/23/2016.
*/
public class MapScreen extends Activity{
static final LatLng Pos = new LatLng(40, -79);
private GoogleMap googleMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
try {
if (googleMap == null) {
googleMap = ((MapFragment) getFragmentManager()
.findFragmentById(R.id.map)).getMap();
}
googleMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
googleMap.setMyLocationEnabled(true);
googleMap.setTrafficEnabled(true);
googleMap.getUiSettings().setZoomControlsEnabled(true);
Marker marker = googleMap.addMarker(new MarkerOptions().position(Pos).title("That is my loc"));
} catch(Exception e){
e.printStackTrace();
}
}
}
<?xml version = "1.0" encoding = "utf-8" ?>
<RelativeLayout android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android" >
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:map="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.prateekchachra.projectconnecttoastmasters.MapsActivity" />
</RelativeLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.prateekchachra.projectconnecttoastmasters">
<!--
The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
Google Maps Android API v2, but you must specify either coarse or fine
location permissions for the 'MyLocation' functionality.
-->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<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="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<permission android:name="com.example.prateekchachra.projectconnecttoastmasters.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<!--
The API key for Google Maps-based APIs is defined as a string resource.
(See the file "res/values/google_maps_api.xml").
Note that the API key is linked to the encryption key used to sign the APK.
You need a different API key for each encryption key, including the release key that is used to
sign the APK for publishing.
You can define the keys for the debug and release targets in src/debug/ and src/release/.
-->
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="ID" />
<activity
android:name=".MapsActivity"
android:label="@string/title_activity_maps">
</activity>
<activity android:name=".Events"
android:label="Events List">
</activity>
<activity android:name=".FindSlots"
android:label="Find Slots">
</activity>
<activity android:name=".MapScreen"
android:label="Map Main">
</activity>
<activity android:name=".SplashScreen"
android:label="Splash Screen">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
android:name="com.google.android.gms.maps.SupportMapFragment"
Replace with your Fragment package and fragment name like
android:name="com.example.prateekchachra.projectconnecttoastmasters.MapScreen"