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POAdd textview in compass
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copied!<p>I have to make an application where a compass indicate west point. Here is my code</p> <pre><code>public class CustomCompassActivity extends Activity implements SensorEventListener { Float azimut; // View to draw a compass public class CustomDrawableView extends View { Paint paint = new Paint(); TextView t1; public CustomDrawableView(Context context) { super(context); paint.setColor(0x8a2be2); paint.setStyle(Style.STROKE); paint.setStrokeWidth(4); paint.setAntiAlias(true); }; protected void onDraw(Canvas canvas) { int width = getWidth(); int height = getHeight(); int centerx = width/2; int centery = height/2; // Rotate the canvas with the azimut if (azimut != null) canvas.rotate(-azimut*360/(2*3.14159f), centerx, centery); Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.rose4); canvas.drawBitmap(bmp,centerx- bmp.getWidth()/2,centery - bmp.getHeight()/2, paint); canvas.drawText("W", centerx-0, centery-55, paint); paint.setColor(0xffd02090); } } CustomDrawableView mCustomDrawableView; private SensorManager mSensorManager; Sensor accelerometer; Sensor magnetometer; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mCustomDrawableView = new CustomDrawableView(this); setContentView(mCustomDrawableView); // Register the sensor listeners mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE); accelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); magnetometer = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD); } protected void onResume() { super.onResume(); mSensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_DELAY_UI); mSensorManager.registerListener(this, magnetometer, SensorManager.SENSOR_DELAY_UI); } protected void onPause() { super.onPause(); mSensorManager.unregisterListener(this); } public void onAccuracyChanged(Sensor sensor, int accuracy) { } float[] mGravity; float[] mGeomagnetic; public void onSensorChanged(SensorEvent event) { if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) mGravity = event.values; if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) mGeomagnetic = event.values; if (mGravity != null && mGeomagnetic != null) { float R[] = new float[9]; float I[] = new float[9]; boolean success = SensorManager.getRotationMatrix(R, I, mGravity, mGeomagnetic); if (success) { float orientation[] = new float[3]; SensorManager.getOrientation(R, orientation); azimut = orientation[0]; // orientation contains: azimut, pitch and roll } } mCustomDrawableView.invalidate(); } } </code></pre> <p>I need to add textview.But i can not add them neither xml nor using textview inside the program.How can i add textview at the up level of the compass?</p>

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