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    <p>Here is a short/alternate version assuming a view (view1) of some sort.</p> <pre><code>import android.os.Bundle; import android.app.Activity; import android.graphics.Color; import android.util.Log; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity { private static final int DEFAULT_COLOR = Color.WHITE; private int myColor; // Assuming a 'view' of some sort private View myView; // Declare UI elements private Button firstButton; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Our only layout for this app // is main.xml myView = (View) findViewById( R.id.view1 ); firstButton = (Button) findViewById( R.id.button1 ); Log.i("MainActivity", "onCreate" + ((null == savedInstanceState) ? "(null)" : "(savedInstanceState)")); if (savedInstanceState != null) { myColor = savedInstanceState.getInt("COLOR"); } else { myColor = DEFAULT_COLOR; } myView.setBackgroundColor(myColor); firstButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (myColor == Color.WHITE) myColor = Color.BLACK; else if (myColor == Color.BLACK) myColor = Color.WHITE; myView.setBackgroundColor(myColor); } }); } @Override // this method is called before android trashes and recreates your activity protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt("COLOR", myColor); } } </code></pre> <p>Alternatively you could do it the cheap-dumb-ass way: Locking the screen. add the 'android:configChanges' attribute to your activity.</p> <pre><code> &lt;activity android:name="UserIdActivity" android:label="@string/app_name" android:configChanges="orientation" /&gt; </code></pre> <p>And implement the 'onConfigurationChanged' callback to do nothing</p> <pre><code>public void onConfigurationChanged ( Configuration newConfig) { } </code></pre>
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    1. POAndroid screen orientation change
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    1. USRastikan
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    1. COsame problem, it's still changing...
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      1. USjaimito
    2. CO"Alternatively you could do it the cheap-dumb-ass way". It's not the cheap, or dumbass way. That prevents the activity from being destroyed, your first method didn't. There are pros/cons to both.
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      1. USMichael Yaworski
    3. COYou are right Mike, my english is not so good. Anyway, I often have to implement some acitvities that way ( actually adding the slew conditions 'orientation|keyboardHidden|keyboard|touchscreen|screenLayout|screenSize|uiMode' ) because we don't want an active BT connection being interrupted ... at least until someone have an hour or two updating the Bluetooth code to be a service.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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