unspecified，默认值，由系统决定，不同手机可能不一致landscape，强制横屏显示portrait，强制竖屏显behind，与前一个activity方向相同sensor，根据物理传感器方向转动，用户90度、180度、270度旋转手机方向，activity都更着变化sensorLandscape，横屏旋转，一般横屏游戏会这样设置sensorPortrait，竖屏旋转nosensor，旋转设备时候，界面不会跟着旋转。初始化界面方向由系统控制user，用户当前设置的方向
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.provider.Settings;
import android.view.OrientationEventListener;
public class Base2Activity extends BaseActivity {
private MyOrientoinListener myOrientoinListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/*myOrientoinListener = new MyOrientoinListener(this);
boolean autoRotateOn = (android.provider.Settings.System.getInt(getContentResolver(), Settings.System.ACCELEROMETER_ROTATION, 0) == 1);
//检查系统是否开启自动旋转
if (autoRotateOn) {
myOrientoinListener.enable();
}*/
}
@Override
protected void onDestroy() {
super.onDestroy();
//销毁时取消监听
/*myOrientoinListener.disable();*/
}
/**
* 重力旋转屏幕
* */
class MyOrientoinListener extends OrientationEventListener {
public MyOrientoinListener(Context context) {
super(context);
}
public MyOrientoinListener(Context context, int rate) {
super(context, rate);
}
@Override
public void onOrientationChanged(int orientation) {
/*
int screenOrientation = getResources().getConfiguration().orientation;
if (((orientation >= 0) && (orientation < 45)) || (orientation > 315)) { //设置竖屏
if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_PORTRAIT && orientation != ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
} else if (orientation > 225 && orientation < 315) { //设置横屏
if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
} else if (orientation > 45 && orientation < 135) {// 设置反向横屏
if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE);
}
} else if (orientation > 135 && orientation < 225) { //反向竖屏
if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT);
}
}
*/
}
}
/**
* 强制横屏
* */
public void setRequestedOrientation(int requestedOrientation){
return;
}
}
android:configChanges="orientation|screenSize"
android:screenOrientation="sensorLandscape"
