为什么我设置了一个 System.out.println();但是他并没有显示啊,一片空白,而且我没有设置背景颜色,他应该是黑色的。。。。为什么是白色的。。。。。。。。。。。。。。。这是代码 package com.mycompany.myapp2;
import android.app.*;
import android.content.*;
import android.content.pm.*;
import android.os.*;
import android.view.*;
public class sheng_cunActivity extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
//设置无标题
requestWindowFeature(Window.FEATURE_NO_TITLE);
//设置全屏
getWindow().setFlags(WindowManager.LayoutParams.
FLAG_FULLSCREEN,WindowManager.LayoutParams.
FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.sheng_cun);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{//添加返回菜单项
menu.add(1,1,1,"back");
return true;}
//返回项被点击后事件处理
@Override
public boolean onOptionsItemSelected(MenuItem item)
{//关于返回项被点击
if(item.getItemId()==1)
{
sheng_cunActivity.this.finish();
}
//返回假
return false;}
public static void sheng_cun(String[] args)
{
int xueliang=20;
System.out.println("HP:"+xueliang);
}
}
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import android.app.*;
import android.content.*;
import android.content.pm.*;
import android.os.*;
import android.view.*;
public class sheng_cunActivity extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
//设置无标题
requestWindowFeature(Window.FEATURE_NO_TITLE);
//设置全屏
getWindow().setFlags(WindowManager.LayoutParams.
FLAG_FULLSCREEN,WindowManager.LayoutParams.
FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.sheng_cun);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{//添加返回菜单项
menu.add(1,1,1,"back");
return true;}
//返回项被点击后事件处理
@Override
public boolean onOptionsItemSelected(MenuItem item)
{//关于返回项被点击
if(item.getItemId()==1)
{
sheng_cunActivity.this.finish();
}
//返回假
return false;}
public static void sheng_cun(String[] args)
{
int xueliang=20;
System.out.println("HP:"+xueliang);
}
}
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