//main.xml
android:layout_height="fill_parent">
android:layout_height="fill_parent"
android:stretchColumns="0,1,2">
android:layout_column="1"
/>
android:layout_column="0"
/>
android:layout_column="2"
/>
android:layout_column="1"
/>
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
/>
package app.test;
import android.app.Activity;
import android.graphics.Color;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
public class Test extends Activity implements SensorEventListener {
private SensorManager mSensorManager;
private Sensor mAccelerometer;
private TextView valueView;
private View mTop, mBottom, mLeft, mRight;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
valueView = (TextView)findViewById(R.id.values);
mTop = findViewById(R.id.top);
mBottom = findViewById(R.id.bottom);
mLeft = findViewById(R.id.left);
mRight = findViewById(R.id.right);
}
protected void onResume() {
super.onResume();
mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_UI);
}
protected void onPause() {
super.onPause();
mSensorManager.unregisterListener(this);
}
public void onAccuracyChanged(Sensor sensor, int accuracy) { }
public void onSensorChanged(SensorEvent event) {
float[] values = event.values;
float x = values[0]/10;
float y = values[1]/10;
int scaleFactor;
if(x > 0) {
scaleFactor = (int)Math.min(x*255, 255);
mRight.setBackgroundColor(Color.TRANSPARENT);
mLeft.setBackgroundColor(Color.argb(scaleFactor, 255, 0, 0));
} else {
scaleFactor = (int)Math.min(Math.abs(x)*255, 255);
mRight.setBackgroundColor(Color.argb(scaleFactor, 255, 0, 0));
mLeft.setBackgroundColor(Color.TRANSPARENT);
}
if(y > 0) {
scaleFactor = (int)Math.min(y*255, 255);
mTop.setBackgroundColor(Color.TRANSPARENT);
mBottom.setBackgroundColor(Color.argb(scaleFactor, 255, 0, 0));
} else {
scaleFactor = (int)Math.min(Math.abs(y)*255, 255);
mTop.setBackgroundColor(Color.argb(scaleFactor, 255, 0, 0));
mBottom.setBackgroundColor(Color.TRANSPARENT);
}
valueView.setText(String.format("X: %1$1.2f, Y: %2$1.2f, Z: %3$1.2f",
values[0], values[1], values[2]));
}
}