Android點擊按鈕實現全屏的代碼

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package com.hsx.test;import java.lang.reflect.Field;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.WindowManager;import android.view.WindowManager.LayoutParams;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        findViewById(R.id.tv_open_fullscreen).setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                stateControl(true);                int stateHeight = getStateHeight();                Toast.makeText(MainActivity.this, "狀態列高度為：" + stateHeight, Toast.LENGTH_LONG).show();            }        });        findViewById(R.id.tv_close_fullscreen).setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                stateControl(false);            }        });    }    /**     * 控制是否全屏     *      * @param enable     * @return     * @author Doraemon     * @time 2014年12月3日下午6:03:33     */    private void stateControl(boolean enable) {        if (enable) {            LayoutParams lp = getWindow().getAttributes();            lp.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;            getWindow().setAttributes(lp);        } else {            LayoutParams attr = getWindow().getAttributes();            attr.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);            getWindow().setAttributes(attr);        }    }    /**     * 擷取狀態列高度     *      * @return     * @return     * @author Doraemon     * @time 2014年12月3日下午6:03:45     */    private int getStateHeight() {        Class<?> c = null;        Object obj = null;        Field field = null;        int x = 0, sbar = 0;        try {            c = Class.forName("com.android.internal.R$dimen");            obj = c.newInstance();            field = c.getField("status_bar_height");            x = Integer.parseInt(field.get(obj).toString());            sbar = getResources().getDimensionPixelSize(x);        } catch (Exception e) {            e.printStackTrace();        }        return sbar;    }}

Android點擊按鈕實現全屏的代碼