Java 当我尝试从GoogleAppClient注销时,在空对象引用上收到错误消息GoogleAppClient.isConnected()
当我尝试从Java 当我尝试从GoogleAppClient注销时,在空对象引用上收到错误消息GoogleAppClient.isConnected(),java,android,google-api,google-plus,google-api-client,Java,Android,Google Api,Google Plus,Google Api Client,当我尝试从GoogleAppClient注销时,收到以下错误消息 GoogleApiClient.isConnected() on a null object reference 这是我的密码: public static GoogleSignInOptions gso; public static GoogleApiClient mGoogleApiClient; //......... google.setOnClickListener(new View.OnClickListener
GoogleAppClient
注销时,收到以下错误消息
GoogleApiClient.isConnected() on a null object reference
这是我的密码:
public static GoogleSignInOptions gso;
public static GoogleApiClient mGoogleApiClient;
//.........
google.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN).requestEmail().build();
mGoogleApiClient = new GoogleApiClient.Builder(getContext()).enableAutoManage(getActivity(), new GoogleApiClient.OnConnectionFailedListener() {
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
Toast.makeText(getContext(), "Login failed", Toast.LENGTH_LONG).show();
}
}).addApi(Auth.GOOGLE_SIGN_IN_API, gso).build();
Intent intent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(intent, requestCode);
mGoogleApiClient.connect();
Toast.makeText(getContext(),"User Name "+ acc.getDisplayName()+ "Mail "+acc.getEmail(), Toast.LENGTH_LONG).show();
}
});
还有我的注销代码
public void signout(){
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
Intent intent1 = new Intent(getContext(),LoginActivity.class);
startActivity(intent1);
getActivity().finish();
}
});
试试这个
定义:
public GoogleSignInOptions gso;
public GoogleApiClient mGoogleApiClient;
在Oncreate方法中初始化:
gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
.build();
mGoogleApiClient.connect();
现在设置单击登录按钮上的侦听器
google.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(intent, requestCode);
Toast.makeText(getContext(),"User Name "+ acc.getDisplayName()+ "Mail "+acc.getEmail(), Toast.LENGTH_LONG).show();
}
});
/////
//注销
private void signOut() {
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
new ResultCallback<Status>() {
@Override
public void onResult(Status status) {
Intent intent1 = new Intent(getContext(),LoginActivity.class);
startActivity(intent1);
getActivity().finish();
}
});
}
private void signOut(){
Auth.GoogleSignInApi.signOut(mgoogleapclient.setResultCallback)(
新的ResultCallback(){
@凌驾
公共void onResult(状态){
Intent intent1=新的Intent(getContext(),LoginActivity.class);
星触觉(intent1);
getActivity().finish();
}
});
}
希望这对你有帮助。试试这个
定义:
public GoogleSignInOptions gso;
public GoogleApiClient mGoogleApiClient;
在Oncreate方法中初始化:
gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
.build();
mGoogleApiClient.connect();
现在设置单击登录按钮上的侦听器
google.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
startActivityForResult(intent, requestCode);
Toast.makeText(getContext(),"User Name "+ acc.getDisplayName()+ "Mail "+acc.getEmail(), Toast.LENGTH_LONG).show();
}
});
/////
//注销
private void signOut() {
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
new ResultCallback<Status>() {
@Override
public void onResult(Status status) {
Intent intent1 = new Intent(getContext(),LoginActivity.class);
startActivity(intent1);
getActivity().finish();
}
});
}
private void signOut(){
Auth.GoogleSignInApi.signOut(mgoogleapclient.setResultCallback)(
新的ResultCallback(){
@凌驾
公共void onResult(状态){
Intent intent1=新的Intent(getContext(),LoginActivity.class);
星触觉(intent1);
getActivity().finish();
}
});
}
希望这将对您有所帮助。发布代码mGoogleApiClient定义和初始化发布代码mGoogleApiClient定义和初始化