Java &引用;无法获取提供程序com.google.firebase.provider.FirebaseInitProvider“;错误路径
我有一个连接到firebase的应用程序。问题是在设备中安装应用程序时(在多个设备上工作)。我阅读了很多论坛,没有人工作。我阅读了等等。谢谢 错误就在这里Java &引用;无法获取提供程序com.google.firebase.provider.FirebaseInitProvider“;错误路径,java,android,firebase,firebase-authentication,Java,Android,Firebase,Firebase Authentication,我有一个连接到firebase的应用程序。问题是在设备中安装应用程序时(在多个设备上工作)。我阅读了很多论坛,没有人工作。我阅读了等等。谢谢 错误就在这里 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.dev.ptruck, PID: 8833 java.lang.RuntimeException: Unable to get provider com.google.firebas
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.dev.ptruck, PID: 8833
java.lang.RuntimeException: Unable to get provider com.google.firebase.provider.FirebaseInitProvider: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.dev.ptruck-17.apk"],nativeLibraryDirectories=[/data/app-lib/com.dev.ptruck-17, /vendor/lib, /system/lib]]
at android.app.ActivityThread.installProvider(ActivityThread.java:5196)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4788)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4728)
at android.app.ActivityThread.access$1500(ActivityThread.java:166)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1343)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5584)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1268)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.firebase.provider.FirebaseInitProvider" on path: DexPathList[[zip file "/data/app/com.dev.ptruck-17.apk"],nativeLibraryDirectories=[/data/app-lib/com.dev.ptruck-17, /vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
at android.app.ActivityThread.installProvider(ActivityThread.java:5181)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4788)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4728)
at android.app.ActivityThread.access$1500(ActivityThread.java:166)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1343)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5584)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1268)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084)
at dalvik.system.NativeStart.main(Native Method)
开始上课了
public class StartActivity extends Activity {
private static final String FIREBASE_URL = "https://database.firebaseio.com/";
private Firebase myFirebaseRef = null;
View rootView;
String uid;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
Firebase.setAndroidContext(this);
final ProgressBar p = (ProgressBar) findViewById(R.id.start_progress_bar);
}
private void checkUserLogin() {
myFirebaseRef.addAuthStateListener(new Firebase.AuthStateListener() {
@Override
public void onAuthStateChanged(AuthData authData) {
if (authData != null) {
System.out.println(myFirebaseRef.getKey());
Intent toMainActivity = new Intent(getApplicationContext(), MenuActivity.class);
uid = myFirebaseRef.getAuth().getUid();
toMainActivity.putExtra("user_id", uid);
finish();
startActivity(toMainActivity);
} else if (authData == null) {
Intent toMainActivity = new Intent(getApplicationContext(), LoginActivity.class);
startActivity(toMainActivity);
// user is not logged in
}
}
});
}
private Runnable task = new Runnable() {
public void run() {
checkUserLogin();
}
};
@Override
protected void onStart() {
super.onStart();
if(myFirebaseRef == null) {
myFirebaseRef = new Firebase(FIREBASE_URL);
}
Handler handler = new Handler();
handler.postDelayed(task, 3000);
}
@Override
protected void onDestroy() {
super.onDestroy();
unbindDrawables(rootView);
rootView = null;
System.gc();
}
protected void unbindDrawables(View view) {
if (view != null) {
if (view.getBackground() != null) {
view.getBackground().setCallback(null);
}
if (view instanceof ViewGroup && !(view instanceof AdapterView)) {
for (int i = 0; i < ((ViewGroup) view).getChildCount(); i++) {
unbindDrawables(((ViewGroup) view).getChildAt(i));
}
((ViewGroup) view).removeAllViews();
}
}
}
公共类StartActivity扩展活动{
私有静态最终字符串FIREBASE_URL=”https://database.firebaseio.com/";
私有Firebase myFirebaseRef=null;
视图根视图;
字符串uid;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
Firebase.setAndroidContext(this);
最终进度条p=(进度条)findViewById(R.id.start\u进度条);
}
私有void checkUserLogin(){
myFirebaseRef.addAuthStateListener(新的Firebase.AuthStateListener(){
@凌驾
AuthStateChanged上的公共无效(AuthData AuthData){
if(authData!=null){
System.out.println(myFirebaseRef.getKey());
Intent-toMainActivity=新意图(getApplicationContext(),MenuActivity.class);
uid=myFirebaseRef.getAuth().getUid();
toMainActivity.putExtra(“用户id”,uid);
完成();
startActivity(不活动);
}else if(authData==null){
Intent-toMainActivity=newintent(getApplicationContext(),LoginActivity.class);
startActivity(不活动);
//用户未登录
}
}
});
}
private Runnable task=new Runnable(){
公开募捐{
checkUserLogin();
}
};
@凌驾
受保护的void onStart(){
super.onStart();
如果(myFirebaseRef==null){
myFirebaseRef=新Firebase(Firebase\u URL);
}
Handler=newhandler();
handler.postDelayed(任务,3000);
}
@凌驾
受保护的空onDestroy(){
super.ondestory();
不可绑定的绘图(rootView);
rootView=null;
gc();
}
受保护的无效不可绑定绘图(视图){
如果(视图!=null){
if(view.getBackground()!=null){
view.getBackground().setCallback(null);
}
if(查看视图组的实例&!(查看AdapterView的实例)){
对于(int i=0;i<((视图组)视图)。getChildCount();i++){
未绑定的Drawables(((视图组)视图).getChildAt(i));
}
((视图组)视图);
}
}
}
}我遇到了同样的问题,我所做的是从设备/模拟器卸载应用程序,然后重新安装(从Android Studio“运行”按钮)。在AndroidStudio中尝试执行以下操作:
这应该行得通当在API 19(<4.4.2)设备下运行应用程序时,由于
Multidex
的错误,我也遇到了与Firebase相同的问题。然后下面的解决方案对我行得通:
应用内模块build.gradle
android {
...
defaultConfig {
multiDexEnabled true
...
}
}
dependencies {
// add dependency
compile 'com.android.support:multidex:1.0.1'
}
// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'
在AndroidManifest.xml中更新名称
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:name=".MyApplication"
android:theme="@style/AppTheme">
// ...
</application>
如果您最近在gradle中更改了firebase依赖项版本,您可能还需要在Android SDK管理器中更新到最新版本的Google Repository
如果您当时无法更新Google存储库,请尝试将gradle依赖项版本更改回较低版本。只需在项目
AndroidManifest.xml
文件的下面几行插入即可,
如果它们不在应用程序中标记中
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
禁用instant run为我解决了这个问题 Android Studio->首选项->构建、执行、部署->即时运行 -取消选中“启用即时运行…”旁边的框
-单击“确定”尝试此解决方案:代码在哪里谢谢,但不起作用!发布build.gradle文件的“依赖项”部分。这对我有效,天哪,Android Studio失败了。这对我有效,而不是multidex解决方案。所以我不能再使用instant run了?instant run在Android Studio中是一个痛苦的功能!调试4小时后。Th是为我工作。我从未想过这会工作。谢谢。grt享受编码也为我工作!(当我开始使用Firebase时,我遇到了这个问题)无论如何,谢谢:)有效!谢谢:)我错过了覆盖attachBaseContext的最后一步。添加后有效。添加attachBaseContext方法解决了我的Kitkat崩溃问题。没有此方法,在上述所有版本中都可以正常工作。在发布重复答案之前,您可以阅读以上答案。Thanks@blueware有些人可能会看我的answe因此,与其浪费我们的时间张贴这样的垃圾,不如专注于提供帮助和回答问题。谢谢
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />