Dialog to calibrate gyroscope
This commit is contained in:
pelya
@@ -67,6 +67,9 @@ import android.util.DisplayMetrics;
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import android.net.Uri;
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import java.util.concurrent.Semaphore;
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import android.graphics.Color;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorEvent;
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import android.hardware.Sensor;
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// TODO: too much code here, split into multiple files, possibly auto-generated menus?
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class Settings
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@@ -154,6 +157,15 @@ class Settings
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out.writeBoolean(Globals.BrokenLibCMessageShown);
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out.writeInt(Globals.TouchscreenKeyboardDrawSize);
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out.writeInt(p.getApplicationVersion());
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out.writeFloat(Globals.gyro_x1);
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out.writeFloat(Globals.gyro_x2);
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out.writeFloat(Globals.gyro_xc);
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out.writeFloat(Globals.gyro_y1);
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out.writeFloat(Globals.gyro_y2);
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out.writeFloat(Globals.gyro_yc);
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out.writeFloat(Globals.gyro_z1);
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out.writeFloat(Globals.gyro_z2);
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out.writeFloat(Globals.gyro_zc);
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out.close();
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settingsLoaded = true;
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@@ -300,6 +312,15 @@ class Settings
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Globals.BrokenLibCMessageShown = settingsFile.readBoolean();
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Globals.TouchscreenKeyboardDrawSize = settingsFile.readInt();
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int cfgVersion = settingsFile.readInt();
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Globals.gyro_x1 = settingsFile.readFloat();
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Globals.gyro_x2 = settingsFile.readFloat();
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Globals.gyro_xc = settingsFile.readFloat();
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Globals.gyro_y1 = settingsFile.readFloat();
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Globals.gyro_y2 = settingsFile.readFloat();
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Globals.gyro_yc = settingsFile.readFloat();
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Globals.gyro_z1 = settingsFile.readFloat();
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Globals.gyro_z2 = settingsFile.readFloat();
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Globals.gyro_zc = settingsFile.readFloat();
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settingsLoaded = true;
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@@ -531,6 +552,7 @@ class Settings
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new MouseConfigMainMenu(),
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new ArrowKeysConfig(),
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new AccelerometerConfig(),
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new GyroscopeCalibration(),
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new AudioConfig(),
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new RemapHwKeysConfig(),
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new ScreenGesturesConfig(),
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@@ -2486,6 +2508,149 @@ class Settings
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}
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}
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static class GyroscopeCalibration extends Menu implements SensorEventListener
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{
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String title(final MainActivity p)
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{
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return p.getResources().getString(R.string.calibrate_gyroscope);
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}
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boolean enabled()
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{
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return Globals.AppUsesGyroscope;
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}
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void run (final MainActivity p)
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{
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if( !Globals.AppUsesGyroscope || !AccelerometerReader.gyro.available(p) )
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{
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goBack(p);
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return;
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}
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AlertDialog.Builder builder = new AlertDialog.Builder(p);
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builder.setTitle(p.getResources().getString(R.string.calibrate_gyroscope));
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builder.setMessage(p.getResources().getString(R.string.calibrate_gyroscope_text));
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builder.setPositiveButton(p.getResources().getString(R.string.ok), new DialogInterface.OnClickListener()
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{
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public void onClick(DialogInterface dialog, int item)
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{
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dialog.dismiss();
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startCalibration(p);
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}
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});
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builder.setOnCancelListener(new DialogInterface.OnCancelListener()
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{
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public void onCancel(DialogInterface dialog)
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{
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goBack(p);
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}
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});
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AlertDialog alert = builder.create();
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alert.setOwnerActivity(p);
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alert.show();
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}
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ImageView img;
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Bitmap bmp;
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int numEvents;
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MainActivity p;
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void startCalibration(final MainActivity _p)
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{
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p = _p;
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img = new ImageView(p);
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img.setLayoutParams(new ViewGroup.LayoutParams( ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
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img.setScaleType(ImageView.ScaleType.MATRIX);
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bmp = BitmapFactory.decodeResource( p.getResources(), R.drawable.calibrate );
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img.setImageBitmap(bmp);
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Matrix m = new Matrix();
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RectF src = new RectF(0, 0, bmp.getWidth(), bmp.getHeight());
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RectF dst = new RectF( p.getVideoLayout().getWidth()/2 - 50, p.getVideoLayout().getHeight()/2 - 50,
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p.getVideoLayout().getWidth()/2 + 50, p.getVideoLayout().getHeight()/2 + 50);
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m.setRectToRect(src, dst, Matrix.ScaleToFit.FILL);
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img.setImageMatrix(m);
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p.getVideoLayout().addView(img);
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numEvents = 0;
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AccelerometerReader.gyro.x1 = 0;
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AccelerometerReader.gyro.x2 = 0;
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AccelerometerReader.gyro.xc = 0;
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AccelerometerReader.gyro.y1 = 0;
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AccelerometerReader.gyro.y2 = 0;
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AccelerometerReader.gyro.yc = 0;
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AccelerometerReader.gyro.z1 = 0;
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AccelerometerReader.gyro.z2 = 0;
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AccelerometerReader.gyro.zc = 0;
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AccelerometerReader.gyro.registerListener(p, this);
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(new Thread(new Runnable()
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{
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public void run()
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{
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for(int count = 1; count < 10; count++)
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{
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p.setText("" + count + "0% ...");
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try {
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Thread.sleep(500);
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} catch( Exception e ) {}
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}
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finishCalibration(p);
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}
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}
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)).start();
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}
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public void onSensorChanged(SensorEvent event)
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{
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gyroscopeEvent(event.values[0], event.values[1], event.values[2]);
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}
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public void onAccuracyChanged(Sensor s, int a)
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{
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}
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void gyroscopeEvent(float x, float y, float z)
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{
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numEvents++;
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AccelerometerReader.gyro.xc += x;
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AccelerometerReader.gyro.yc += y;
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AccelerometerReader.gyro.zc += z;
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AccelerometerReader.gyro.x1 = Math.min(AccelerometerReader.gyro.x1, x);
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AccelerometerReader.gyro.x2 = Math.max(AccelerometerReader.gyro.x2, x);
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AccelerometerReader.gyro.y1 = Math.min(AccelerometerReader.gyro.y1, y);
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AccelerometerReader.gyro.y2 = Math.max(AccelerometerReader.gyro.y2, y);
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AccelerometerReader.gyro.z1 = Math.min(AccelerometerReader.gyro.z1, z);
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AccelerometerReader.gyro.z2 = Math.max(AccelerometerReader.gyro.z2, z);
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final Matrix m = new Matrix();
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RectF src = new RectF(0, 0, bmp.getWidth(), bmp.getHeight());
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RectF dst = new RectF( x * 5000 + p.getVideoLayout().getWidth()/2 - 50, y * 5000 + p.getVideoLayout().getHeight()/2 - 50,
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x * 5000 + p.getVideoLayout().getWidth()/2 + 50, y * 5000 + p.getVideoLayout().getHeight()/2 + 50);
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m.setRectToRect(src, dst, Matrix.ScaleToFit.FILL);
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p.runOnUiThread(new Runnable()
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{
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public void run()
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{
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img.setImageMatrix(m);
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}
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});
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}
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void finishCalibration(final MainActivity p)
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{
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AccelerometerReader.gyro.unregisterListener(p, this);
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try {
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Thread.sleep(200); // Just in case we have pending events
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} catch( Exception e ) {}
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if( numEvents > 0 )
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{
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AccelerometerReader.gyro.xc /= (float)numEvents;
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AccelerometerReader.gyro.yc /= (float)numEvents;
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AccelerometerReader.gyro.zc /= (float)numEvents;
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}
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p.runOnUiThread(new Runnable()
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{
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public void run()
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{
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p.getVideoLayout().removeView(img);
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goBack(p);
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}
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});
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}
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}
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// ===============================================================================================
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public static boolean deleteRecursively(File dir)
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