CODEWITHSUNDEEP
androidlistviewandroid-orientation
user2605103
user2605103

Reputation: 11

stop reloading ListView on Orientation Change in android

I have a ListView, populated from a XML. Everything is working fine, but when i change my device's orientation(Portrait<-->Landscape) it reloads the ListView. I want to stop it. I have used onSaveInstanceState and onConfigurationChanged. But it still reloads.

Here is my code:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (savedInstanceState != null) {
        alrowDataView = savedInstanceState.getParcelableArrayList("name");
    //  Toast.makeText(MainActivity.this,alrowDataView.size() , Toast.LENGTH_LONG).show();

        // lvrowDataView=(ListView) findViewById(R.id.list_xml);
    }
    else{
        Toast.makeText(MainActivity.this,"NOdata" , Toast.LENGTH_LONG).show();

    setContentView(R.layout.activity_main);
    lvrowDataView = (ListView) findViewById(R.id.list_xml);
    ParsingXml parsing = new ParsingXml();

After that general ListView operations...

and here is the code for OnSavedInstanceState and onConfigurationChanged.

@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);


    if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
        Toast.makeText(MainActivity.this, "landscape", Toast.LENGTH_SHORT).show();
    } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
        Toast.makeText(MainActivity.this, "portrait", Toast.LENGTH_SHORT).show();
    }
}

@Override
protected void onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);
    savedInstanceState.putParcelableArrayList("name", alrowDataView);
    //Toast.makeText(MainActivity.this, alrowDataView.size(),Toast.LENGTH_LONG).show();
}

and these are the declarations 

    private ListView lvrowDataView;
private ArrayList<RowData> alrowDataView;
RowDataAdapter adapterRowData;

I don't want to use android:configChanges="orientation"

Also,in onSaveInstanceState the ArrayListis null!!!

Upvotes: 0

Views: 1198

Answers (1)

Biraj Zalavadia
Biraj Zalavadia

Reputation: 28484

Try this way

android:configChanges="orientation"

Is not working with latest android api 3.0+

You need to use like this 

<activity
            android:name="YourActivity"
            android:configChanges="keyboardHidden|orientation|screenSize"
 />

Upvotes: 1

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