try mContext = this;
On Mon, May 7, 2012 at 2:06 PM, Jason Teagle <[email protected]> wrote:
> wish that is any help with this scenario thx in advance
>>
>
> Is this AccountAuthenticatorActivity-**extending class the main class /
> activity of your application, or are you starting this activity yourself
> from somewhere? The reason I ask is that starting a new project, making my
> main activity extend AccountAuthenticatorActivity and testing
> getApplicationContext() there worked fine - it gave a non-null result:
>
> ---
> package net.testing;
>
> import android.accounts.**AccountAuthenticatorActivity;
> import android.content.Context;
> import android.os.Bundle;
> import android.widget.Toast;
>
> public class TestAccountAuthActivity extends AccountAuthenticatorActivity {
> /** Called when the activity is first created. */
> @Override
>
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(**savedInstanceState);
> setContentView(R.layout.main);
>
> Context c = getApplicationContext();
> Toast.makeText(this, c == null ? "It's null!" : "It's valid",
> Toast.LENGTH_LONG).show();
>
> }
>
> }
> ---
>
> (It showed 'It's valid' on the screen as expected.)
>
> Also, is there a reason that you set mContext when you appear to be using
> the context immediately, and within the same body of code (therefore making
> the assignment to a static member unnecessary)? It won't make any
> difference to the result unless... you are doing something unusual with it
> elsewhere.
>
> Are you *sure* the NullPointerException came from this line:
>
> ContentResolver cr=mContext.**getContentResolver();
>
> ? Could you perhaps show us your LogCat (screen snapshot?), showing the
> lines where it indicates where in your source code it happens?
>
> (You can easily check the value of mContext before you try to use it using
> the Toast technique as a temporary way of seeing the answer, like I did.)
>
>
>
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--
*Thanks&Regard
Arunkumar A,*
*9941713524.*
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