Force Screen On - dont use WakeLock - use getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) - Android sample

public class MainActivity extends Activity {
TextView hTextView;
TableRow hTableRow;
Button hButton, hButtonStop;
private Handler mHandler = new Handler();
private int nCounter = 0;
@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        hTextView = (TextView)findViewById(R.id.idTextView);
        hButton = (Button)findViewById(R.id.idButton);
        hButton.setOnClickListener(mButtonStartListener);
        hTableRow = (TableRow)findViewById(R.id.idTableRow1);


        
        
    } // end onCreate

 View.OnClickListener mButtonStartListener = new OnClickListener() {
	public void onClick(View v) {
           hTableRow.setBackgroundColor(Color.YELLOW);
	}
 };
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >


<TableLayout android:layout_height="wrap_content" android:layout_width="fill_parent" android:id="@+id/tableLayout1">
    <TableRow android:id="@+id/idTableRow1" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" android:background="#5655AA">
<TextView  
	android:id="@+id/idTextView"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
    
    </TableRow>
</TableLayout>
</LinearLayout>

boolean fc(boolean b) {
	return b;
}// end fc
		boolean bA = true;
		boolean bB = true;
		boolean bC = bA || bB; // true

		bA = true;
		bB = false;
		bC = bA || bB; // true

		bA = false;
		bB = true;
		bC = bA || bB; // true

		bA = false;
		bB = false;
		bC = bA || bB; // false
		
			if(!fc(bB||bA))
			System.out.println("false"); // false
                        else 
			System.out.println("true"); 

<uses-sdk android:minSdkVersion="4" />
// 
<uses-sdk android:minSdkVersion="8" />

// clickable TextView
public TextView createTextView(String sText, Context con){
 TextView b = null;
 try {
  b = new TextView (con);
  b.setTextSize(15.0f);
  b.setTextColor(Color.rgb( 0, 0, 200));
  b.setOnClickListener(this);
  b.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
  LayoutParams.WRAP_CONTENT));
  b.setText(sText);
  //tr.addView(b, 60,30);
  } catch (Exception e) {
  e.printStackTrace();
 return b;
 }
return b;
}
/*****************/
public void onClick(View view) {
 try {
  String s = ((TextView) view).getText().toString();
 }
 catch (Exception e1) {
   e1.printStackTrace();
 }
}
/***********/

// if you want restore in TextView after chagne of orientation
// you have to put  code to Manifest.xml android:configChanges

activity android:name=".main"
android:label="@string/app_name"
android:configChanges="keyboardHidden|orientation" //this line important !!!!!!!