- public class TestActivity extends Activity {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- String archiveFilePath="sdcard/jb51.net.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(TestActivity.this, , Toast.LENGTH_LONG).show();
- Drawable icon = pm.getApplicationIcon(appInfo);//得到图标信息
- TextView tv = (TextView)findViewById(R.id.tv);
- tv.setText("appName:"+appName+"---packageName:"+packageName);
- //显示图标
- ImageView tu=(ImageView)findViewById(R.id.imageView1);
- tu.setBackgroundDrawable(icon);
- }
- }
- }
- }
- }
- /**
- * 获取apk包的信息:版本号,名称,图标等
- * @param absPath apk包的绝对路径
- * @param context
- */
- public void apkInfo(String absPath,Context context) {
- PackageManager pm = context.getPackageManager();
- PackageInfo pkgInfo = pm.getPackageArchiveInfo(absPath,PackageManager.GET_ACTIVITIES);
- if (pkgInfo != null) {
- ApplicationInfo appInfo = pkgInfo.applicationInfo;
- /* 必须加这两句,不然下面icon获取是default icon而不是应用包的icon */
- appInfo.sourceDir = absPath;
- appInfo.publicSourceDir = absPath;
- String appName = pm.getApplicationLabel(appInfo).toString();// 得到应用名
- String packageName = appInfo.packageName; // 得到包名
- String version = pkgInfo.versionName; // 得到版本信息
- /* icon1和icon2其实是一样的 */
- Drawable icon1 = pm.getApplicationIcon(appInfo);// 得到图标信息
- Drawable icon2 = appInfo.loadIcon(pm);
- String pkgInfoStr = String.format("PackageName:%s, Vesion: %s, AppName: %s", packageName, version, appName);
- Log.i(TAG, String.format("PkgInfo: %s", pkgInfoStr));
- }
- }
来源: http://www.phpxs.com/code/1001539/