最简单的方法是将它放在onCreate()所有活动的方法中(更好的是,将它放在BaseActivity类中并从中扩展所有活动)
@Override
protected void onCreate(Bundle bundle) {
super.onCreate(bundle);
if (isLargeDevice(getBaseContext())) {
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
} else {
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
}
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您可以使用此方法检测设备是手机还是平板电脑:
private boolean isLargeDevice(Context context) {
int screenLayout = context.getResources().getConfiguration().screenLayout;
screenLayout &= Configuration.SCREENLAYOUT_SIZE_MASK;
switch (screenLayout) {
case Configuration.SCREENLAYOUT_SIZE_SMALL:
case Configuration.SCREENLAYOUT_SIZE_NORMAL:
return false;
case Configuration.SCREENLAYOUT_SIZE_LARGE:
case Configuration.SCREENLAYOUT_SIZE_XLARGE:
return true;
default:
return false;
}
}
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