我已经经历了很多例子，但仍然找不到解决方案。我是 android 开发的新手，所以我在线学习基本教程。我遵循了谷歌地图 v2 android 教程
mainActivity.java
package com.example.midlandtest;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
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.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
public class MainActivity extends Activity {
static final LatLng HAMBURG = new LatLng(53.558, 9.927);
static final LatLng KIEL = new LatLng(53.551, 9.993);
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map))
.getMap();
Marker hamburg = map.addMarker(new MarkerOptions().position(HAMBURG)
.title("Hamburg"));
Marker kiel = map.addMarker(new MarkerOptions()
.position(KIEL)
.title("kiel")
.snippet("Kiel is cool")
.icon(BitmapDescriptorFactory
.fromResource(R.drawable.ic_launcher)));
// Move the camera instantly to hamburg with a zoom of 15.
map.moveCamera(CameraUpdateFactory.newLatLngZoom(HAMBURG, 15));
// Zoom in, animating the camera.
map.animateCamera(CameraUpdateFactory.zoomTo(10), 2000, null);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
主要的.xml
<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=".MainActivity" >
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.MapFragment" />
</RelativeLayout>
显现
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.midlandtest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="15"
android:targetSdkVersion="17" />
<permission
android:name="midlandtest.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<uses-permission android:name="midlandtest.permission.MAPS_RECEIVE" />
<uses-permission android:name="android.permission.INTERNET" />
<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="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" >
<activity
android:name="midlandtest.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>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="removed my api key for privacy reasons" />
</application>
</manifest>
这是我的 logcat 日志。请帮忙。
02-27 20:11:26.448: D/AndroidRuntime(5858): Shutting down VM
02-27 20:11:26.458: W/dalvikvm(5858): threadid=1: thread exiting with uncaught exception (group=0x40a2a1f8)
02-27 20:11:26.458: E/AndroidRuntime(5858): FATAL EXCEPTION: main
02-27 20:11:26.458: E/AndroidRuntime(5858): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.midlandtest/midlandtest.MainActivity}: java.lang.ClassNotFoundException: midlandtest.MainActivity
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread.access$600(ActivityThread.java:123)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.os.Handler.dispatchMessage(Handler.java:99)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.os.Looper.loop(Looper.java:137)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread.main(ActivityThread.java:4424)
02-27 20:11:26.458: E/AndroidRuntime(5858): at java.lang.reflect.Method.invokeNative(Native Method)
02-27 20:11:26.458: E/AndroidRuntime(5858): at java.lang.reflect.Method.invoke(Method.java:511)
02-27 20:11:26.458: E/AndroidRuntime(5858): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
02-27 20:11:26.458: E/AndroidRuntime(5858): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-27 20:11:26.458: E/AndroidRuntime(5858): at dalvik.system.NativeStart.main(Native Method)
02-27 20:11:26.458: E/AndroidRuntime(5858): Caused by: java.lang.ClassNotFoundException: midlandtest.MainActivity
02-27 20:11:26.458: E/AndroidRuntime(5858): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
02-27 20:11:26.458: E/AndroidRuntime(5858): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
02-27 20:11:26.458: E/AndroidRuntime(5858): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
02-27 20:11:26.458: E/AndroidRuntime(5858): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
02-27 20:11:26.458: E/AndroidRuntime(5858): ... 11 more
02-27 20:11:26.778: I/dalvikvm(5858): threadid=3: reacting to signal 3
02-27 20:11:26.778: I/dalvikvm(5858): Wrote stack traces to '/data/anr/traces.txt'
02-27 20:11:26.998: I/dalvikvm(5858): threadid=3: reacting to signal 3
02-27 20:11:26.998: I/dalvikvm(5858): Wrote stack traces to '/data/anr/traces.txt'
我使用运行 4.0.4 的 android 平板电脑来测试应用程序。我已将应用程序目标设置为 google api 4.0.3，因为有人告诉我在不同的教程中使用它。请帮助大家，这让我发疯
更新的 LOGCAT 日志！！
02-27 20:44:28.847: W/dalvikvm(6614): VFY: unable to resolve static field 876 (MapAttrs) in Lcom/google/android/gms/R$styleable;
02-27 20:44:28.847: D/dalvikvm(6614): VFY: replacing opcode 0x62 at 0x000e
02-27 20:44:28.847: D/AndroidRuntime(6614): Shutting down VM
02-27 20:44:28.857: W/dalvikvm(6614): threadid=1: thread exiting with uncaught exception (group=0x40a2a1f8)
02-27 20:44:28.857: E/AndroidRuntime(6614): FATAL EXCEPTION: main
02-27 20:44:28.857: E/AndroidRuntime(6614): java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.google.android.gms.maps.MapFragment.onInflate(Unknown Source)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.Activity.onCreateView(Activity.java:4269)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.Activity.setContentView(Activity.java:1862)
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.example.midlandtest.MainActivity.onCreate(MainActivity.java:23)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.Activity.performCreate(Activity.java:4492)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.ActivityThread.access$600(ActivityThread.java:123)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.os.Handler.dispatchMessage(Handler.java:99)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.os.Looper.loop(Looper.java:137)
02-27 20:44:28.857: E/AndroidRuntime(6614): at android.app.ActivityThread.main(ActivityThread.java:4424)
02-27 20:44:28.857: E/AndroidRuntime(6614): at java.lang.reflect.Method.invokeNative(Native Method)
02-27 20:44:28.857: E/AndroidRuntime(6614): at java.lang.reflect.Method.invoke(Method.java:511)
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
02-27 20:44:28.857: E/AndroidRuntime(6614): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-27 20:44:28.857: E/AndroidRuntime(6614): at dalvik.system.NativeStart.main(Native Method)
02-27 20:44:29.177: I/dalvikvm(6614): threadid=3: reacting to signal 3
02-27 20:44:29.177: I/dalvikvm(6614): Wrote stack traces to '/data/anr/traces.txt'
02-27 20:44:30.477: I/dalvikvm(6614): threadid=3: reacting to signal 3
02-27 20:44:30.487: I/dalvikvm(6614): Wrote stack traces to '/data/anr/traces.txt'
02-27 20:44:30.507: I/Process(6614): Sending signal. PID: 6614 SIG: 9
02-27 20:46:09.467: W/dalvikvm(6657): VFY: unable to resolve static field 876 (MapAttrs) in Lcom/google/android/gms/R$styleable;
02-27 20:46:09.467: D/dalvikvm(6657): VFY: replacing opcode 0x62 at 0x000e
02-27 20:46:09.477: D/AndroidRuntime(6657): Shutting down VM
02-27 20:46:09.477: W/dalvikvm(6657): threadid=1: thread exiting with uncaught exception (group=0x40a2a1f8)
02-27 20:46:09.487: E/AndroidRuntime(6657): FATAL EXCEPTION: main
02-27 20:46:09.487: E/AndroidRuntime(6657): java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.google.android.gms.maps.MapFragment.onInflate(Unknown Source)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.Activity.onCreateView(Activity.java:4269)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.Activity.setContentView(Activity.java:1862)
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.example.midlandtest.MainActivity.onCreate(MainActivity.java:23)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.Activity.performCreate(Activity.java:4492)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.ActivityThread.access$600(ActivityThread.java:123)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.os.Handler.dispatchMessage(Handler.java:99)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.os.Looper.loop(Looper.java:137)
02-27 20:46:09.487: E/AndroidRuntime(6657): at android.app.ActivityThread.main(ActivityThread.java:4424)
02-27 20:46:09.487: E/AndroidRuntime(6657): at java.lang.reflect.Method.invokeNative(Native Method)
02-27 20:46:09.487: E/AndroidRuntime(6657): at java.lang.reflect.Method.invoke(Method.java:511)
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
02-27 20:46:09.487: E/AndroidRuntime(6657): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
02-27 20:46:09.487: E/AndroidRuntime(6657): at dalvik.system.NativeStart.main(Native Method)
02-27 20:46:09.787: I/dalvikvm(6657): threadid=3: reacting to signal 3
02-27 20:46:09.807: I/dalvikvm(6657): Wrote stack traces to '/data/anr/traces.txt'
02-27 20:46:10.107: I/dalvikvm(6657): threadid=3: reacting to signal 3
02-27 20:46:10.107: I/dalvikvm(6657): Wrote stack traces to '/data/anr/traces.txt'