我知道如何在我的应用程序中启动新活动，即继续使用新屏幕。在我的应用程序中，当我继续下一个屏幕时，我想显示谷歌地图。我可以在一个屏幕应用程序上显示谷歌地图。我不确定如何解决这个问题，任何帮助都会非常感激，当我尝试启动新活动时崩溃的那一刻。 MainActivity类 - ＆gt;
package com.example.drivetext;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button b = (Button) findViewById(R.id.btnClick);
b.setOnClickListener(new View.OnClickListener() {
public void onClick(View arg0) {
// here i call new screen;
Intent i = new Intent(MainActivity.this, setdestination.class);
startActivity(i);
}
});
}
}
setdestination class-＆gt;
package com.example.drivetext;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import android.os.Bundle;
import android.app.Activity;
public class setdestination extends Activity {
static final LatLng TutorialsPoint = new LatLng(21 , 57);
private GoogleMap googleMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.setdestination);
try {
if (googleMap == null) {
googleMap = ((MapFragment) getFragmentManager().
findFragmentById(R.id.map)).getMap();
}
googleMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
Marker TP = googleMap.addMarker(new MarkerOptions().
position(TutorialsPoint).title("TutorialsPoint"));
} catch (Exception e) {
e.printStackTrace();
}
}
}
Android Manifest-＆gt;
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.drivetext"
android:versionCode="1"
android:versionName="1.0" >
<uses-permission android:name="com.example.drivetext.permission.MAPS_RECEIVE" />
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="19" />
<permission
android:name="com.example.drivetext.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<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" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.drivetext.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>
<activity android:name=".setdestination" android:label="SetDestination"> </activity>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyC4VQ7nzxjPSjfObnnKqZxMZUOHACNNmP0" />
</application>
</manifest>
setdestination.xml-＆GT;
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<fragment
android:id="@+id/map"
android:name="com.google.android.gms.maps.MapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</RelativeLayout>
Logcat输出 - ＆gt;
05-02 19:30:37.274: D/gralloc_goldfish(1443): Emulator without GPU emulation detected.
05-02 19:30:40.134: I/Choreographer(1443): Skipped 51 frames! The application may be doing too much work on its main thread.
05-02 19:30:40.894: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:40.904: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:40.904: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:40.974: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:40.984: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.044: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.084: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.094: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.104: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.194: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.234: W/GooglePlayServicesUtil(1443): Google Play services is missing.
05-02 19:30:41.234: D/AndroidRuntime(1443): Shutting down VM
05-02 19:30:41.234: W/dalvikvm(1443): threadid=1: thread exiting with uncaught exception (group=0xb4ac5ba8)
05-02 19:30:41.304: E/AndroidRuntime(1443): FATAL EXCEPTION: main
05-02 19:30:41.304: E/AndroidRuntime(1443): Process: com.example.drivetext, PID: 1443
05-02 19:30:41.304: E/AndroidRuntime(1443): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.drivetext/com.example.drivetext.setdestination}: java.lang.NullPointerException
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread.access$800(ActivityThread.java:135)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.os.Handler.dispatchMessage(Handler.java:102)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.os.Looper.loop(Looper.java:136)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread.main(ActivityThread.java:5017)
05-02 19:30:41.304: E/AndroidRuntime(1443): at java.lang.reflect.Method.invokeNative(Native Method)
05-02 19:30:41.304: E/AndroidRuntime(1443): at java.lang.reflect.Method.invoke(Method.java:515)
05-02 19:30:41.304: E/AndroidRuntime(1443): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
05-02 19:30:41.304: E/AndroidRuntime(1443): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
05-02 19:30:41.304: E/AndroidRuntime(1443): at dalvik.system.NativeStart.main(Native Method)
05-02 19:30:41.304: E/AndroidRuntime(1443): Caused by: java.lang.NullPointerException
05-02 19:30:41.304: E/AndroidRuntime(1443): at com.example.drivetext.setdestination.onCreate(setdestination.java:20)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.Activity.performCreate(Activity.java:5231)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
05-02 19:30:41.304: E/AndroidRuntime(1443): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
05-02 19:30:41.304: E/AndroidRuntime(1443): ... 11 more
05-02 19:30:44.104: I/Process(1443): Sending signal. PID: 1443 SIG: 9
05-02 19:49:25.004: D/gralloc_goldfish(1497): Emulator without GPU emulation detected.
05-02 19:49:27.224: I/Choreographer(1497): Skipped 34 frames! The application may be doing too much work on its main thread.
05-02 19:49:27.904: W/System.err(1497): java.lang.NullPointerException
05-02 19:49:27.904: W/System.err(1497): at com.example.drivetext.setdestination.onCreate(setdestination.java:22)
05-02 19:49:27.914: W/System.err(1497): at android.app.Activity.performCreate(Activity.java:5231)
05-02 19:49:27.914: W/System.err(1497): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
05-02 19:49:27.914: W/System.err(1497): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
05-02 19:49:27.914: W/System.err(1497): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
05-02 19:49:27.914: W/System.err(1497): at android.app.ActivityThread.access$800(ActivityThread.java:135)
05-02 19:49:27.914: W/System.err(1497): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
05-02 19:49:27.914: W/System.err(1497): at android.os.Handler.dispatchMessage(Handler.java:102)
05-02 19:49:27.914: W/System.err(1497): at android.os.Looper.loop(Looper.java:136)
05-02 19:49:27.914: W/System.err(1497): at android.app.ActivityThread.main(ActivityThread.java:5017)
05-02 19:49:27.944: W/System.err(1497): at java.lang.reflect.Method.invokeNative(Native Method)
05-02 19:49:27.944: W/System.err(1497): at java.lang.reflect.Method.invoke(Method.java:515)
05-02 19:49:27.944: W/System.err(1497): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
05-02 19:49:27.964: W/System.err(1497): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
05-02 19:49:27.964: W/System.err(1497): at dalvik.system.NativeStart.main(Native Method)
05-02 19:49:28.594: I/Choreographer(1497): Skipped 40 frames! The application may be doing too much work on its main thread.
05-02 19:50:41.204: I/Choreographer(1497): Skipped 280 frames! The application may be doing too much work on its main thread.
05-02 19:50:42.324: I/Choreographer(1497): Skipped 40 frames! The application may be doing too much work on its main thread.
05-02 19:50:46.424: I/Choreographer(1497): Skipped 71 frames! The application may be doing too much work on its main thread.
05-02 19:51:25.034: D/gralloc_goldfish(1554): Emulator without GPU emulation detected.
05-02 19:51:27.894: D/AndroidRuntime(1554): Shutting down VM
05-02 19:51:27.904: W/dalvikvm(1554): threadid=1: thread exiting with uncaught exception (group=0xb4ac5ba8)
05-02 19:51:28.034: E/AndroidRuntime(1554): FATAL EXCEPTION: main
05-02 19:51:28.034: E/AndroidRuntime(1554): Process: com.example.drivetext, PID: 1554
05-02 19:51:28.034: E/AndroidRuntime(1554): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.drivetext/com.example.drivetext.setdestination}: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread.access$800(ActivityThread.java:135)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.os.Handler.dispatchMessage(Handler.java:102)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.os.Looper.loop(Looper.java:136)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread.main(ActivityThread.java:5017)
05-02 19:51:28.034: E/AndroidRuntime(1554): at java.lang.reflect.Method.invokeNative(Native Method)
05-02 19:51:28.034: E/AndroidRuntime(1554): at java.lang.reflect.Method.invoke(Method.java:515)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
05-02 19:51:28.034: E/AndroidRuntime(1554): at dalvik.system.NativeStart.main(Native Method)
05-02 19:51:28.034: E/AndroidRuntime(1554): Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.Activity.setContentView(Activity.java:1929)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.example.drivetext.setdestination.onCreate(setdestination.java:18)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.Activity.performCreate(Activity.java:5231)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
05-02 19:51:28.034: E/AndroidRuntime(1554): ... 11 more
05-02 19:51:28.034: E/AndroidRuntime(1554): Caused by: java.lang.IllegalStateException: 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" />
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.common.GooglePlayServicesUtil.t(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.common.GooglePlayServicesUtil.isGooglePlayServicesAvailable(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.internal.q.B(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.internal.q.A(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.MapsInitializer.initialize(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.MapFragment$b.gW(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.MapFragment$b.a(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.dynamic.a.a(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.dynamic.a.onInflate(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at com.google.android.gms.maps.MapFragment.onInflate(Unknown Source)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.app.Activity.onCreateView(Activity.java:4785)
05-02 19:51:28.034: E/AndroidRuntime(1554): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
05-02 19:51:28.034: E/AndroidRuntime(1554): ... 21 more
05-02 19:51:32.334: I/Process(1554): Sending signal. PID: 1554 SIG: 9
05-02 19:54:42.454: D/gralloc_goldfish(1606): Emulator without GPU emulation detected.
05-02 19:54:51.254: I/Choreographer(1606): Skipped 36 frames! The application may be doing too much work on its main thread.
05-02 19:54:51.924: D/AndroidRuntime(1606): Shutting down VM
05-02 19:54:51.924: W/dalvikvm(1606): threadid=1: thread exiting with uncaught exception (group=0xb4ac5ba8)
05-02 19:54:52.064: E/AndroidRuntime(1606): FATAL EXCEPTION: main
05-02 19:54:52.064: E/AndroidRuntime(1606): Process: com.example.drivetext, PID: 1606
05-02 19:54:52.064: E/AndroidRuntime(1606): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.drivetext/com.example.drivetext.setdestination}: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread.access$800(ActivityThread.java:135)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.os.Handler.dispatchMessage(Handler.java:102)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.os.Looper.loop(Looper.java:136)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread.main(ActivityThread.java:5017)
05-02 19:54:52.064: E/AndroidRuntime(1606): at java.lang.reflect.Method.invokeNative(Native Method)
05-02 19:54:52.064: E/AndroidRuntime(1606): at java.lang.reflect.Method.invoke(Method.java:515)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
05-02 19:54:52.064: E/AndroidRuntime(1606): at dalvik.system.NativeStart.main(Native Method)
05-02 19:54:52.064: E/AndroidRuntime(1606): Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:290)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.Activity.setContentView(Activity.java:1929)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.example.drivetext.setdestination.onCreate(setdestination.java:18)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.Activity.performCreate(Activity.java:5231)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
05-02 19:54:52.064: E/AndroidRuntime(1606): ... 11 more
05-02 19:54:52.064: E/AndroidRuntime(1606): Caused by: java.lang.IllegalStateException: 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" />
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.common.GooglePlayServicesUtil.t(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.common.GooglePlayServicesUtil.isGooglePlayServicesAvailable(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.internal.q.B(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.internal.q.A(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.MapsInitializer.initialize(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.MapFragment$b.gW(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.MapFragment$b.a(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.dynamic.a.a(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.dynamic.a.onInflate(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at com.google.android.gms.maps.MapFragment.onInflate(Unknown Source)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.app.Activity.onCreateView(Activity.java:4785)
05-02 19:54:52.064: E/AndroidRuntime(1606): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:689)
05-02 19:54:52.064: E/AndroidRuntime(1606): ... 21 more
05-02 19:54:55.424: I/Process(1606): Sending signal. PID: 1606 SIG: 9
答案 0 :(得分：0)
错误表示您当前的模拟器不支持Google Play服务
Click here for more info了解如何更新您的模拟器以支持Google服务
答案 1 :(得分：0)
您错过了Android Manifest中的<meta-data>
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
尝试添加此内容..