我正在使用真实设备上的 google map v2 创建一个应用程序,但是我遇到了一个问题,应用程序强制关闭了在我阅读了很多很多解决方案后如何解决这个问题,它们都没有与我一起使用它是关于片段的
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="17" />
<permission
android:name="com.example.permission.MAPS_RECIEVE"
android:protectionLevel="signature"/>
<uses-permission android:name="com.example.permission.MAPS_RECIEVE" />
<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-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" >
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyC6Sh22y4wF_tKlrE2MljwZ7Cd9-8V-Nks"/>
<activity
android:name="com.example.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>
</application>
</manifest>
布局文件
<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" >
<TextView
android:id="@+id/header"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<fragment
android:id="@+id/map"
android:name="com.google.android.gms.maps.MapFragment"
android:layout_below="@+id/header"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</RelativeLayout>
文件
package com.example;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@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;
}
}
记录猫文件
04-08 02:29:33.500: D/dalvikvm(25400): Late-enabling CheckJNI
04-08 02:29:33.535: D/dalvikvm(25400): Debugger has detached; object registry had 1 entries
04-08 02:29:33.730: D/AndroidRuntime(25400): Shutting down VM
04-08 02:29:33.730: W/dalvikvm(25400): threadid=1: thread exiting with uncaught exception (group=0x40d4b2a0)
04-08 02:29:33.750: E/AndroidRuntime(25400): FATAL EXCEPTION: main
04-08 02:29:33.750: E/AndroidRuntime(25400): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example/com.example.MainActivity}: android.view.InflateException: Binary XML file line #17: Error inflating class fragment
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2100)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2125)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread.access$600(ActivityThread.java:140)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1227)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.os.Handler.dispatchMessage(Handler.java:99)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.os.Looper.loop(Looper.java:137)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread.main(ActivityThread.java:4898)
04-08 02:29:33.750: E/AndroidRuntime(25400): at java.lang.reflect.Method.invokeNative(Native Method)
04-08 02:29:33.750: E/AndroidRuntime(25400): at java.lang.reflect.Method.invoke(Method.java:511)
04-08 02:29:33.750: E/AndroidRuntime(25400): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1008)
04-08 02:29:33.750: E/AndroidRuntime(25400): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:775)
04-08 02:29:33.750: E/AndroidRuntime(25400): at dalvik.system.NativeStart.main(Native Method)
04-08 02:29:33.750: E/AndroidRuntime(25400): Caused by: android.view.InflateException: Binary XML file line #17: Error inflating class fragment
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
04-08 02:29:33.750: E/AndroidRuntime(25400): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:308)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Activity.setContentView(Activity.java:1924)
04-08 02:29:33.750: E/AndroidRuntime(25400): at com.example.MainActivity.onCreate(MainActivity.java:12)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Activity.performCreate(Activity.java:5206)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2064)
04-08 02:29:33.750: E/AndroidRuntime(25400): ... 11 more
04-08 02:29:33.750: E/AndroidRuntime(25400): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, is public, and has an empty constructor that is public
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Fragment.instantiate(Fragment.java:584)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Fragment.instantiate(Fragment.java:552)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Activity.onCreateView(Activity.java:4849)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
04-08 02:29:33.750: E/AndroidRuntime(25400): ... 21 more
04-08 02:29:33.750: E/AndroidRuntime(25400): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment
04-08 02:29:33.750: E/AndroidRuntime(25400): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
04-08 02:29:33.750: E/AndroidRuntime(25400): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
04-08 02:29:33.750: E/AndroidRuntime(25400): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
04-08 02:29:33.750: E/AndroidRuntime(25400): at android.app.Fragment.instantiate(Fragment.java:574)
04-08 02:29:33.750: E/AndroidRuntime(25400): ... 24 more