Android根据包名获取程序基本信息
16lz
2021-01-23
public class Info { Context context ; PackageManager pm ; public Info(Context context) { this.context = context; pm = context.getPackageManager(); } /* * 获取程序 图标 */ public Drawable getAppIcon(String packname){ try { ApplicationInfo info = pm.getApplicationInfo(packname, 0); return info.loadIcon(pm); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /* *获取程序的版本号 */ public String getAppVersion(String packname){ try { PackageInfo packinfo = pm.getPackageInfo(packname, 0); return packinfo.versionName; } catch (NameNotFoundException e) { e.printStackTrace(); } } /* * 获取程序的名字 */ public String getAppName(String packname){ try { ApplicationInfo info = pm.getApplicationInfo(packname, 0); return info.loadLabel(pm).toString(); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /* * 获取程序的权限 */ public String[] getAppPremission(String packname){ try { PackageInfo packinfo = pm.getPackageInfo(packname, PackageManager.GET_PERMISSIONS); //获取到所有的权限 return packinfo.requestedPermissions; } catch (NameNotFoundException e) { e.printStackTrace(); } } /* * 获取程序的签名 */ public String getAppSignature(String packname){ try { PackageInfo packinfo = pm.getPackageInfo(packname, PackageManager.GET_SIGNATURES); //获取到所有的权限 return packinfo.signatures[0].toCharsString(); } catch (NameNotFoundException e) { e.printStackTrace(); } }