我知道这是一个非常常见的问题，但是我已经阅读了所有堆栈溢出问题而没有找到答案。
我正在尝试使用通过Gradle添加的Facebook SDK 4.0.1集成Facebook登录按钮，但是我收到以下错误。
//这些是我得到的logcat错误。
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.virasatsolutions.www.donapp/com.virasatsolutions.www.donapp.Login1}: android.view.InflateException: Binary XML file line #24: Binary XML file line #107: Error inflating class com.facebook.login.widget.LoginButton
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #24: Binary XML file line #107: Error inflating class com.facebook.login.widget.LoginButton
at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.virasatsolutions.www.donapp.Login1.onCreate(Login1.java:54)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.InflateException: Binary XML file line #107: Error inflating class com.facebook.login.widget.LoginButton
at android.view.LayoutInflater.createView(LayoutInflater.java:645)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:971)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:831)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.virasatsolutions.www.donapp.Login1.onCreate(Login1.java:54)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:619)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:971)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:831)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.virasatsolutions.www.donapp.Login1.onCreate(Login1.java:54)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: The SDK has not been initialized, make sure to call FacebookSdk.sdkInitialize() first.
at com.facebook.internal.Validate.sdkInitialized(Validate.java:136)
at com.facebook.AccessTokenTracker.<init>(AccessTokenTracker.java:55)
at com.facebook.login.widget.LoginButton$2.<init>(LoginButton.java:561)
at com.facebook.login.widget.LoginButton.configureButton(LoginButton.java:561)
at com.facebook.FacebookButtonBase.<init>(FacebookButtonBase.java:69)
at com.facebook.login.widget.LoginButton.<init>(LoginButton.java:200)
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.view.LayoutInflater.createView(LayoutInflater.java:619)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:764)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:971)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:831)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393)
at android.app.Activity.setContentView(Activity.java:2166)
at com.virasatsolutions.www.donapp.Login1.onCreate(Login1.java:54)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
03-01 11:22:04.847 2474-2474/? I/Process: Sending signal. PID: 2474 SIG: 9
//这是我的带有依赖关系的gradel文件
android {
compileSdkVersion 23
buildToolsVersion "23.0.2"
repositories
{
mavenCentral()
}
defaultConfig {
applicationId "com.virasatsolutions.www.donapp"
minSdkVersion 15
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
//依赖项文件
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:23.1.1'
compile 'com.android.support:design:23.1.1'
compile 'com.google.android.gms:play-services-identity:8.4.0'
compile 'com.paypal.sdk:paypal-android-sdk:2.13.1'
compile 'com.facebook.android:facebook-android-sdk:4.+'
compile 'com.google.android.gms:play-services-appindexing:8.4.0'
}
//这是我的布局文件，其中将提供facebook登录按钮
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
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"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context=".Login1"
tools:showIn="@layout/activity_login1"
android:background="#1F874E">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="SIGN IN"
android:id="@+id/textView8"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:textColor="#FFFFFF"
android:textSize="20dp"
android:textStyle="bold"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="Email"
android:id="@+id/textView9"
android:layout_marginTop="47dp"
android:textColor="#FFFFFF"
android:layout_below="@+id/textView8"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
/>
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:ems="10"
android:id="@+id/email1"
android:layout_below="@+id/textView9"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="Password"
android:id="@+id/textView10"
android:layout_below="@+id/email1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="44dp"
android:textColor="#FFFFFF"/>
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:id="@+id/password6"
android:layout_below="@+id/textView10"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SIGN IN"
android:id="@+id/signin"
android:onClick="OnClick"
android:layout_below="@+id/password6"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignRight="@+id/password6"
android:layout_alignEnd="@+id/password6" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SIGN UP"
android:id="@+id/signup"
android:onClick="OnClick"
android:layout_below="@+id/signin"
android:layout_marginTop="47dp"
android:layout_alignRight="@+id/signin"
android:layout_alignEnd="@+id/signin"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<com.facebook.login.widget.LoginButton
android:id="@+id/login_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_below="@+id/signup"
android:layout_toRightOf="@+id/textView9"
android:layout_toEndOf="@+id/textView9"
android:width="20dp"/>
</RelativeLayout>
//这是我的login.java文件，其中facebook功能是他们的
//这里我使用了片段活动，因为片段不支持数据库
public class Login1 extends FragmentActivity {
DatabaseHelper helper=new DatabaseHelper(this);
private CallbackManager mCallbackManager;
private FacebookCallback<LoginResult> mCallback=new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
AccessToken accessToken=loginResult.getAccessToken();
Profile profile = Profile.getCurrentProfile();
}
@Override
public void onCancel() {
}
@Override
public void onError(FacebookException error) {
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login1);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
FacebookSdk.sdkInitialize(getActivity().getApplicationContext());
mCallbackManager =CallbackManager.Factory.create();
}
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
return inflater.inflate(R.layout.content_login1, container, false);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
mCallbackManager.onActivityResult(requestCode, resultCode, data);
}
private FacebookSdk getActivity() {
return null;
}
public void OnClick(View view)
{
if(view.getId()==R.id.signin)
{
EditText email=(EditText)findViewById(R.id.email1);
String emailstr1 = email.getText().toString();
EditText pass=(EditText)findViewById(R.id.password6);
String passstr=pass.getText().toString();
String password= helper.searchPass(emailstr1);
if(passstr.equals(password))
{
Intent i=new Intent(Login1.this,MainActivity.class);
startActivity(i);
}
else
{
Toast temp = Toast.makeText(Login1.this, "Email and Password dont match", Toast.LENGTH_SHORT);
temp.show();
}
}
if (view.getId()==R.id.signup)
{
Intent i=new Intent(Login1.this,sign_up.class);
startActivity(i);
}
}
}
答案 0 :(得分：0)
在setcontentView（）之前初始化facebook sdk。
答案 1 :(得分：0)
FacebookSdk.sdkInitialize(this);
setContentView(R.layout.activity_login2);