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我正在嘗試檢測旋轉而不是屏幕方向更改。getRotationMatrix始終爲false並且解決方案不起作用
我只在getRotationMatrix()上得到一個false。
我找到了一個解決方案here但它沒有爲我工作。
@Override
public void onSensorChanged(SensorEvent event) {
// This method will be called when the accelerometer values are changing.
if (event == null || event.values.length == 0) throw new IllegalArgumentException();
else {
// Handle the events for which we registered
switch (event.sensor.getType()) {
case Sensor.TYPE_ACCELEROMETER:
Log.i(TAG, "detected Accelerometer");
mValuesAccel = event.values;
break;
case Sensor.TYPE_MAGNETIC_FIELD:
Log.i(TAG, "detected Magneticfield");
mValuesMagnet = event.values;
break;
}
Log.i(TAG, ""+ SensorManager.getRotationMatrix(mRotationMatrix, null, mValuesAccel, mValuesMagnet));
SensorManager.getOrientation(mRotationMatrix, mValuesOrientation);
mRotationListener.onChange(mValuesOrientation);
}
}