I tried this, but it did not work
Here is my code, can some one help me with this
package com.rohit.test;
import android.content.Context;
import android.graphics.Canvas;
import android.hardware.SensorListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.util.Config;
import android.util.Log;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
public class Compass extends MapActivity {
private static final String TAG = "Compass";
private SensorManager mSensorManager;
private float[] mValues = null;
private SampleView mView;
private final SensorListener mListener = new SensorListener() {
public void onSensorChanged(int sensor, float[] values) {
if (Config.LOGD)
Log.d(TAG, "sensorChanged (" + values[0] + ", "
+ values[1]
+ ", " + values[2] + ")");
if (mView != null) {
mValues = values;
mView.invalidate();
}
}
public void onAccuracyChanged(int sensor, int accuracy) {
// TODO Auto-generated method stub
}
};
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
mSensorManager = (SensorManager) getSystemService
(Context.SENSOR_SERVICE);
mView = new SampleView(this,"<<my key>>");
mView.setClickable(true);
setContentView(mView);
if (Config.LOGD)
Log.d(TAG, "onCreate");
}
@Override
protected void onResume() {
if (Config.LOGD)
Log.d(TAG, "onResume");
super.onResume();
mSensorManager.registerListener(mListener,
SensorManager.SENSOR_ORIENTATION,
SensorManager.SENSOR_DELAY_GAME);
}
@Override
protected void onStop() {
if (Config.LOGD)
Log.d(TAG, "onStop");
mSensorManager.unregisterListener(mListener);
super.onStop();
}
public class SampleView extends MapView {
public SampleView(Context context,String apiKey) {
super(context,apiKey);
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (mValues != null) {
int py=canvas.getClipBounds().bottom/2;
int px=canvas.getClipBounds().right/2;
canvas.rotate(-mValues[0],px,py);
}
super.dispatchDraw(canvas);
}
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
}
On Dec 17 2008, 3:20 am, David C <[email protected]> wrote:
> I just received this response:
>
> "Override a ViewGroup and apply the rotation indispatchDraw()."
>
> Thanks Romain!
>
> On Dec 8, 12:43 pm, David C <[email protected]> wrote:
>
> > "Bump".... can anyone provide insight here?
>
> > Did theMapViewonDraw() API change to "final" at some point? If the
> > recommended method to rotate aMapViewis canvas.rotate() how can that
> > be achieved if not via onDraw()?
>
> > Personally I'd prefer to see theMapViewAPI extended to support
> > "setBearing()" or something similar, but nothing like that exists.
> > <sigh>
>
> > On Dec 7, 11:23 am, David C <[email protected]> wrote:
>
> > > A few threads have discussed using canvas.rotate() as a means to
> > > rotate aMapView. However, onDraw() is declared "final" forMapView
> > > and so can't be over-ridden. Is there an alternative way to manipulate
> > > theMapViewcanvas than from onDraw()?
>
> > > Thanks,
> > > David
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