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Android获取apk的版本及包名等信息

时间:2012-05-11 11:22来源:知行网 编辑:麦田守望者

import android.app.Activity;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;

import android.graphics.drawable.TransitionDrawable;
import android.os.Bundle;
import android.view.ViewGroup.LayoutParams;
import android.widget.Gallery;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;


public class test4 extends Activity {

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
String archiveFilePath="sdcard/download/Law.apk";//安装包路径
PackageManager pm = getPackageManager();
PackageInfo info = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);
if(info != null){

ApplicationInfo appInfo = info.applicationInfo;
String appName = pm.getApplicationLabel(appInfo).toString();
String packageName = appInfo.packageName; //得到安装包名称
String version=info.versionName; //得到版本信息
Toast.makeText(test4.this, "packageName:"+packageName+";version:"+version, Toast.LENGTH_LONG).show();
Drawable icon = pm.getApplicationIcon(appInfo);//得到图标信息
TextView tv = (TextView)findViewById(R.id.tv); //显示图标

tv.setBackgroundDrawable(icon);
}
}


}

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标签(Tag):Android android教程 android技巧 android软件
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