Android 实现皮肤打包成apk的demo.zip

package com.my; import android.app.Activity; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; import android.content.res.XmlResourceParser; import android.os.Bundle; import android.text.style.ParagraphStyle; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup.LayoutParams; import android.widget.Button; import android.widget.LinearLayout; import android.widget.TextView; import android.view.*; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import com.my.R; public class MainApplicationActivity extends Activity implements OnClickListener { TextView tvShow; ArrayList<PackageInfo> skinList = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //根据项目包名得到所有皮肤包 skinList = getAllSkin(); initView(); } void initView() { tvShow = (TextView)findViewById(R.id.tvShow); findViewById(R.id.btnNormal).setOnClickListener(this); } /** * 得到所有表情包 * * @return */ private ArrayList<PackageInfo> getAllSkin() { ArrayList<PackageInfo> skinList = new ArrayList<PackageInfo>(); //得到系统所有已安装项目的包名 List<PackageInfo> packs = getPackageManager().getInstalledPackages(0); for (PackageInfo p : packs) { if (isSkinPackage(p.packageName)) skinList.add(p); } return skinList; } /** * 判断是否为表情包 * * @param packageName * @return */ private boolean isSkinPackage(String packageName) { String rex = "com.myskin.\\w"; Pattern pattern = Pattern.compile(rex); Matcher matcher = pattern.matcher(packageName); return matcher.find(); } int i = 0; @Override public void onClick(View v) { switch (v.getId()) { case R.id.btnNormal: Context friendContext = null; try { //得到皮肤项目上下文 friendContext = this.createPackageContext(skinList.get(i).packageName, Context.CONTEXT_IGNORE_SECURITY); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } //通过context 得到填充activity的布局文件 注意：布局文件是从skin1 或 skin2 项目中获取的 此处是关键 View view = View.inflate(friendContext, R.layout.main, null); //指定Activity布局 setContentView(view); //初始化布局 initView(); i++; if (i >= skinList.size()) { i = 0; } break; default: break; } } }