[英]Facebook login failed with android
堆棧跟蹤
05-30 16:50:36.015 7351-7351 / com.example.android.facebooklogin E / dalvikvm:找不到類android.graphics.drawable.RippleDrawable,從方法android.support.v7.widget.AppCompatImageHelper引用。 hasOverlappingRendering 05-30 16:50:37.658 7351-7351 / com.example.android.facebooklogin E / AndroidRuntime:FATAL EXCEPTION:main Process:com.example.android.facebooklogin,PID:7351登錄嘗試失敗:LoginActivity不能從com.facebook.login.LoginManager.logInWithReadPermissions(LoginManager.java:262)的com.facebook.login.LoginManager.logInWithReadPermissions(LoginManager.java:262)的com.facebook.login.widget.LoginButton $ LoginClickListener.onClick( com.facebook.FacebookButtonBase $ 1.onClick(FacebookButtonBase.java:310)上的com.facebook.FacebookButtonBase $ 1.onClick(FacebookButtonBase.java:310)android.view.View $ PerformClick.run(View。的android.os.Handler.handleCallback(Handler.java:808)的java:18801)android.os.Loope的android.os.Handler.dispatchMessage(Handler.java:103)的java。 r.loop(Looper.java:193)在android.app.ActivityThread.main(ActivityThread.java:5390)在java.lang.reflect.Method.invokeNative(本機方法)在java.lang.reflect.Method.invoke( Method.java:515)位於com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:833)位於com.android.internal.os.ZygoteInit.main(ZygoteInit.java:649)位於dalvik.system .NativeStart.main(本機方法)
MainActivity.java
package com.example.android.facebooklogin;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
public class MainActivity extends AppCompatActivity {
TextView info;
LoginButton loginButton;
CallbackManager callbackManager;
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
callbackManager.onActivityResult(requestCode, resultCode, data);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(getApplicationContext());
callbackManager = CallbackManager.Factory.create();
setContentView(R.layout.activity_main);
info = (TextView) findViewById(R.id.info);
loginButton = (LoginButton) findViewById(R.id.login_button);
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
info.setText(
"User ID: " + loginResult.getAccessToken().getUserId()
+ "\n" + "Auth Token: " + loginResult.getAccessToken().getToken()
);
}
//
@Override
public void onCancel() {
info.setText("Login attempt cancelled. ");
}
@Override
public void onError(FacebookException error) {
info.setText("Login attempt failed. ");
}
});
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<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"
tools:context="com.example.android.facebooklogin.MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/info"
android:text="Hello World!"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:textSize="18sp"/>
<com.facebook.login.widget.LoginButton
android:id="@+id/login_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"/>
</RelativeLayout>
清單文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.facebooklogin">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/facebook_app_id" />
<!--<activity android:name=".MainActivity">-->
<activity
android:name=".MainActivity"
android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:label="@string/app_name">
<activity android:name="com.facebook.FacebookActivity"
android:theme="@android:style/Theme.Translucent.NoTitleBar"
android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:label="@string/app_name" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="@string/fb_login_protocol_scheme" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
應用程式編號
<string name="facebook_app_id">xxxxxxxxxxxxxxxx</string>
RippleDrawable是在API 21中添加的,因此在較早的SDK中不可用。
您可以將可繪制文件移動到res / drawable-v21,以確保它不會在早期版本中崩潰。
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