Android 反射实战 - 更换APP皮肤<2>_利用反射对android实现主题切换

前面通过实现Factory来获取所有的UI和属性等.将前面那个工程进行调整,参考其他网络上面的一些信息,调整和更新ActionBar右上角的menu字体颜色和背景,通过这个小例子,从某种程度可以反映更换APP皮肤基本的思路.

package com.oneplus.factoryimplapp;
 
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;
 
import com.oneplus.factoryimplapp.R;
import com.oneplus.base.OneplusBaseActivity;
/**
 * 
 */
 
/**
 * @author zhibao.liu
 * @date 2015-12-8
 * @company : oneplus.Inc
 */
public class OneplusFactoryActivity extends /*OneplusBase*/Activity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.oneplus_factory);
 
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.oneplus_factory, menu);
        setMenuBackground();
        return true;
    }
 
    /** set menu style */
    protected void setMenuBackground() {
        this.getLayoutInflater().setFactory(
                new android.view.LayoutInflater.Factory() {
                    public View onCreateView(String name, Context context,AttributeSet attrs) {
                        // set self-define inflate
                        if (name.equalsIgnoreCase("TextView")) {
                            try {
                                LayoutInflater f = getLayoutInflater();
                                final View view = f.createView(name, null,attrs);
                                new Handler().post(new Runnable() {
                                    public void run() {
                                        // set background color
                                        view.setBackgroundResource(R.color.oneplus_menu);
                                        // set font color
                                        ((TextView) view).setTextColor(0xff0000ff);
                                    }
                                });
                                return view;
                            } catch (InflateException e) {
                                e.printStackTrace();
                            } catch (ClassNotFoundException e) {
                                e.printStackTrace();
                            }
                        }
                        return null;    
                    }
                }
            );
    }
 
}