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Android MapBox充气错误 . 没找到类MapView

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当我使用MapBox库启动Android应用程序时,我得到异常:

“android.view.InflateException:二进制XML文件行#9:错误膨胀类com.mapbox.mapboxsdk.views.MapView”

字段“cause”包含以下文本:

java.lang.ClassNotFoundException:在路径上找不到类“com.mapbox.mapboxsdk.views.MapView”:DexPathList [[zip file“/data/app/com.example.my.mymapbox-2/base.apk “],nativeLibraryDirectories = [/ data / app / com.example.my.mymapbox-2 / lib / arm,/ vendor / lib,/ system / lib]]

请帮忙

这是我的代码:

build.gradle

apply plugin: 'com.android.application'

android {
compileSdkVersion 23
buildToolsVersion "23.0.2"

defaultConfig {
    applicationId "com.example.my.mymapbox"
    minSdkVersion 19
    targetSdkVersion 23
    versionCode 1
    versionName "1.0"
}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}
}

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile ('com.mapbox.mapboxsdk:mapbox-android-sdk:4.0.0-beta.2@aar'){
    transitive=true
}
}

MainActivity.java

package com.example.my.mymapbox;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
}

}

activity_main.xml中

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:mapbox="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

<com.mapbox.mapboxsdk.views.MapView
    android:id="@+id/mapview"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    mapbox:access_token="@string/accessToken"/>
<!-- note the access token string created in the previous step -->
</RelativeLayout>

2 回答

  • 2

    您的MapView的XML需要 com.mapbox.mapboxsdk.maps.MapView 而不是 com.mapbox.mapboxsdk.views.MapView

    使用最新Mapbox Android SDK版本时可能会有所帮助的其他事项:

    compile ('com.mapbox.mapboxsdk:mapbox-android-sdk:4.0.0-rc.1@aar'){
        transitive=true
    }
    

    确保包括所有必需的权限以及遥测服务:

    <service android:name="com.mapbox.mapboxsdk.telemetry.TelemetryService" />
    

    要在4.0.0中控制MapView,有一个名为 getMapAsync 的新方法,它在 Map 准备好时进行侦听 . 一旦它,您可以添加标记,更改相机位置等 . 所以您的 onCreate 将看起来像这样:

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    
        mapView = (MapView) findViewById(R.id.mapview);
        mapView.onCreate(savedInstanceState);
    
        mapView.getMapAsync(new OnMapReadyCallback() {
            @Override
            public void onMapReady(MapboxMap mapboxMap) {
    
                // add markers, change camera position, etc. here!
    
            }
    
    ...
    

    最后,确保在活动生命周期中包含所有mapView方法 . 它看起来像这样:

    // Activity lifecycle calls
    @Override
    protected void onStart() {
        super.onStart();
        mapView.onStart();
    }
    
    @Override
    public void onResume() {
        super.onResume();
        mapView.onResume();
    }
    
    @Override
    public void onPause() {
        super.onPause();
        mapView.onPause();
    }
    
    @Override
    protected void onStop() {
        super.onStop();
        mapView.onStop();
    }
    
    @Override
    protected void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }
    
    @Override
    public void onLowMemory() {
        super.onLowMemory();
        mapView.onLowMemory();
    }
    
    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mapView.onSaveInstanceState(outState);
    }
    

    希望这可以帮助!

  • 0

    我也遇到了这个问题,但是当我把这个库添加到我的 dependencies

    implementation 'com.mapbox.mapboxsdk:mapbox-android-navigation-ui:0.23.0'
    

    给出这个例外

    Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class com.mapbox.mapboxsdk.maps.MapView
    

    即使我不使用导航!!然后我意识到我必须在 setContentView 之前初始化Mapbox

    所以就这样向上移动吧

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //first initialize Mapbox
        Mapbox.getInstance(this, YOUR_MAPBOX_KEY);
        //then 
        setContentView(R.layout.activity_main);
    }
    

    我的问题解决了

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