Reputation: 73
For some reason when I call the TextView function it crashes my app. I have looked through the answers of questions similar to mine but I could not narrow down my problem.
This is the first time I am making an app, first time I am using Java for that matter. Previously I only have experience with C++/C.
From my Android Manisfest File
<activity
android:name="sg.blogspot.ce9005project.LegalNoticesActivity"
android:label="@string/action_legalnotices" >
</activity>
From the .xml file:
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textId"/>
My java file:
package sg.blogspot.ce9005project;
import com.google.android.gms.common.GooglePlayServicesUtil;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Build;
public class LegalNoticesActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_legal_notices);
//Original line below
((TextView)
findViewById(R.id.textId)).setText(GooglePlayServicesUtil.getOpenSourceSoftwareLicenseInfo(this));
//The 2 lines below were modified by me but still do not work
//TextView textView = (TextView) findViewById(R.id.textId);
//textView.setText("TEST");
//The below line works. The problem, that means, lies with TextView
//Toast.makeText(this, GooglePlayServicesUtil.getOpenSourceSoftwareLicenseInfo(this),
Toast.LENGTH_SHORT).show();
}
}
Upvotes: 2
Views: 122
Reputation: 38098
findViewById(R.id.textId)).setText(GooglePlayServicesUtil.getOpenSourceSoftwareLicenseInfo(this));
is wrong.
You didn't DECLARE a TextView before using it.
Wild guess: you have a NullPointerException, right?
Make sure you have a TextView with id textId
in /res/layout/activity_legal_notices.xml
Upvotes: 1