login - Log in Using Google Plus Android ERROR -
i trying log in using google + having problem.
heres import code:
package info.androidhive.gpluslogin; import java.io.inputstream; import android.app.activity; import android.content.intent; import android.content.intentsender.sendintentexception; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.os.asynctask; import android.os.bundle; import android.util.log; import android.view.menu; import android.view.view; import android.view.view.onclicklistener; import android.widget.button; import android.widget.imageview; import android.widget.linearlayout; import android.widget.textview; import android.widget.toast; import com.google.android.gms.common.connectionresult; import com.google.android.gms.common.googleplayservicesutil; import com.google.android.gms.common.signinbutton; import com.google.android.gms.common.api.googleapiclient; import com.google.android.gms.common.api.googleapiclient.connectioncallbacks; import com.google.android.gms.common.api.googleapiclient.onconnectionfailedlistener; import com.google.android.gms.common.api.resultcallback; import com.google.android.gms.common.api.status; import com.google.android.gms.plus.plus; import com.google.android.gms.plus.model.people.person; heres main activity code:
public class mainactivity extends activity implements onclicklistener, connectioncallbacks, onconnectionfailedlistener { private static final int rc_sign_in = 0; // logcat tag private static final string tag = "mainactivity"; // profile pic image size in pixels private static final int profile_pic_size = 400; // google client interact google api private googleapiclient mgoogleapiclient; /** * flag indicating pendingintent in progress , prevents * starting further intents. */ private boolean mintentinprogress; private boolean msigninclicked; private connectionresult mconnectionresult; private signinbutton btnsignin; private button btnsignout, btnrevokeaccess; private imageview imgprofilepic; private textview txtname, txtemail; private linearlayout llprofilelayout; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); btnsignin = (signinbutton) findviewbyid(r.id.btn_sign_in); btnsignout = (button) findviewbyid(r.id.btn_sign_out); btnrevokeaccess = (button) findviewbyid(r.id.btn_revoke_access); imgprofilepic = (imageview) findviewbyid(r.id.imgprofilepic); txtname = (textview) findviewbyid(r.id.txtname); txtemail = (textview) findviewbyid(r.id.txtemail); llprofilelayout = (linearlayout) findviewbyid(r.id.llprofile); // button click listeners btnsignin.setonclicklistener(this); btnsignout.setonclicklistener(this); btnrevokeaccess.setonclicklistener(this); mgoogleapiclient = new googleapiclient.builder(this) .addconnectioncallbacks(this) .addonconnectionfailedlistener(this).addapi(plus.api, null) .addscope(plus.scope_plus_login).build(); } protected void onstart() { super.onstart(); mgoogleapiclient.connect(); } protected void onstop() { super.onstop(); if (mgoogleapiclient.isconnected()) { mgoogleapiclient.disconnect(); } } /** * method resolve signin errors * */ private void resolvesigninerror() { if (mconnectionresult.hasresolution()) { try { mintentinprogress = true; mconnectionresult.startresolutionforresult(this, rc_sign_in); } catch (sendintentexception e) { mintentinprogress = false; mgoogleapiclient.connect(); } } } @override public void onconnectionfailed(connectionresult result) { if (!result.hasresolution()) { googleplayservicesutil.geterrordialog(result.geterrorcode(), this, 0).show(); return; } if (!mintentinprogress) { // store connectionresult later usage mconnectionresult = result; if (msigninclicked) { // user has clicked 'sign-in' attempt // resolve // errors until user signed in, or cancel. resolvesigninerror(); } } } @override protected void onactivityresult(int requestcode, int responsecode, intent intent) { if (requestcode == rc_sign_in) { if (responsecode != result_ok) { msigninclicked = false; } mintentinprogress = false; if (!mgoogleapiclient.isconnecting()) { mgoogleapiclient.connect(); } } } @override public void onconnected(bundle arg0) { msigninclicked = false; toast.maketext(this, "user connected!", toast.length_long).show(); // user's information getprofileinformation(); // update ui after signin updateui(true); } /** * updating ui, showing/hiding buttons , profile layout * */ private void updateui(boolean issignedin) { if (issignedin) { btnsignin.setvisibility(view.gone); btnsignout.setvisibility(view.visible); btnrevokeaccess.setvisibility(view.visible); llprofilelayout.setvisibility(view.visible); } else { btnsignin.setvisibility(view.visible); btnsignout.setvisibility(view.gone); btnrevokeaccess.setvisibility(view.gone); llprofilelayout.setvisibility(view.gone); } } /** * fetching user's information name, email, profile pic * */ private void getprofileinformation() { try { if (plus.peopleapi.getcurrentperson(mgoogleapiclient) != null) { person currentperson = plus.peopleapi .getcurrentperson(mgoogleapiclient); string personname = currentperson.getdisplayname(); string personphotourl = currentperson.getimage().geturl(); string persongoogleplusprofile = currentperson.geturl(); string email = plus.accountapi.getaccountname(mgoogleapiclient); log.e(tag, "name: " + personname + ", plusprofile: " + persongoogleplusprofile + ", email: " + email + ", image: " + personphotourl); txtname.settext(personname); txtemail.settext(email); // default profile url gives 50x50 px image // can replace value whatever dimension want // replacing sz=x personphotourl = personphotourl.substring(0, personphotourl.length() - 2) + profile_pic_size; new loadprofileimage(imgprofilepic).execute(personphotourl); } else { toast.maketext(getapplicationcontext(), "person information null", toast.length_long).show(); } } catch (exception e) { e.printstacktrace(); } } @override public void onconnectionsuspended(int arg0) { mgoogleapiclient.connect(); updateui(false); } @override public boolean oncreateoptionsmenu(menu menu) { // inflate menu; adds items action bar if present. getmenuinflater().inflate(r.menu.main, menu); return true; } /** * button on click listener * */ @override public void onclick(view v) { switch (v.getid()) { case r.id.btn_sign_in: // signin button clicked signinwithgplus(); break; case r.id.btn_sign_out: // signout button clicked signoutfromgplus(); break; case r.id.btn_revoke_access: // revoke access button clicked revokegplusaccess(); break; } } /** * sign-in google * */ private void signinwithgplus() { if (!mgoogleapiclient.isconnecting()) { msigninclicked = true; resolvesigninerror(); } } /** * sign-out google * */ private void signoutfromgplus() { if (mgoogleapiclient.isconnected()) { plus.accountapi.cleardefaultaccount(mgoogleapiclient); mgoogleapiclient.disconnect(); mgoogleapiclient.connect(); updateui(false); } } /** * revoking access google * */ private void revokegplusaccess() { if (mgoogleapiclient.isconnected()) { plus.accountapi.cleardefaultaccount(mgoogleapiclient); plus.accountapi.revokeaccessanddisconnect(mgoogleapiclient) .setresultcallback(new resultcallback<status>() { @override public void onresult(status arg0) { log.e(tag, "user access revoked!"); mgoogleapiclient.connect(); updateui(false); } }); } } /** * background async task load user profile picture url * */ private class loadprofileimage extends asynctask<string, void, bitmap> { imageview bmimage; public loadprofileimage(imageview bmimage) { this.bmimage = bmimage; } protected bitmap doinbackground(string... urls) { string urldisplay = urls[0]; bitmap micon11 = null; try { inputstream in = new java.net.url(urldisplay).openstream(); micon11 = bitmapfactory.decodestream(in); } catch (exception e) { log.e("error", e.getmessage()); e.printstacktrace(); } return micon11; } protected void onpostexecute(bitmap result) { bmimage.setimagebitmap(result); } } } manifest:
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="info.androidhive.gpluslogin" android:versioncode="1" android:versionname="1.0" > <uses-sdk android:minsdkversion="9" android:targetsdkversion="18" /> <uses-permission android:name="android.permission.internet" /> <uses-permission android:name="android.permission.get_accounts" /> <uses-permission android:name="android.permission.use_credentials" /> <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.gms.version" android:value="@integer/google_play_services_version" /> <activity android:name="info.androidhive.gpluslogin.mainactivity" android:label="@string/app_name" android:screenorientation="portrait" > <intent-filter> <action android:name="android.intent.action.main" /> <category android:name="android.intent.category.launcher" /> </intent-filter> </activity> </application> </manifest> my error is:
java.lang.runtimeexception: unable start activity componentinfo{info.androidhive.gpluslogin/info.androidhive.gpluslogin.mainactivity}: java.lang.nullpointerexception: null options not permitted api i have started tutorial , got error have no idea error is, have tried googling no answers.
you can download exact app site , try yourself: http://www.androidhive.info/2014/02/android-login-with-google-plus-account-1/
it year ago missing small.
thank reading , help.
remove null, parameter , try ,
mgoogleapiclient = new googleapiclient.builder(this).addconnectioncallbacks(this) .addonconnectionfailedlistener(this).addapi(plus.api).addscope(plus.scope_plus_login).build(); read here doc