btn8.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getWindow().addFlags(
WindowManager.LayoutParams.FLAG_FULLSCREEN
);
}
});
btn9.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
});
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(
WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
如第二个方法设置全屏时,只能在添加content之前,否则有异常抛出。btn8的处理方式可以在代码中设置全屏,btn9点击取消全屏。