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  • Android获取apk的版本及包名等信息

    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);
            }  
        }
        
    }
    来自:http://blog.sina.com.cn/s/blog_49f485700100qk10.html
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  • 原文地址:https://www.cnblogs.com/gisoracle/p/6361126.html
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