这是检查设备上已安装软件包的简单问题...在我将操作系统升级到 2.3.5 之前,我可以使用以下代码找到 Market/Play 商店:
private static final String GooglePlayStorePackageName = "com.google.market";
void someMethod() {
packageManager = getApplication().getPackageManager();
List<PackageInfo> packages = packageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
for (PackageInfo packageInfo : packages) {
if (packageInfo.packageName.equals(GooglePlayStorePackageName)) {
googlePlayStoreInstalled = true;
break;
}
}
}
更新后由于某种原因,我根本找不到表明应用程序已安装的to包名称,虽然它在设备上,我可以访问市场。
包名有变化吗?还是我看错了?
谢谢,
亚当。
更新:
这是一种检查是否安装了软件包的愚蠢方法……更好的方法是:
protected final boolean isPackageInstalled(String packageName) {
try {
application.getPackageManager().getPackageInfo(packageName, 0);
} catch (NameNotFoundException e) {
return false;
}
return true;
}
最佳答案
请注意,这段将近 5 年的旧代码并非最佳代码,而且 Google 不喜欢您无缘无故地检查所有已安装的软件包。请同时查看其他答案。
包名已更改,现在是 com.android.vending
试试:
private static final String GooglePlayStorePackageNameOld = "com.google.market";
private static final String GooglePlayStorePackageNameNew = "com.android.vending";
void someMethod() {
PackageManager packageManager = getApplication().getPackageManager();
List<PackageInfo> packages = packageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
for (PackageInfo packageInfo : packages) {
if (packageInfo.packageName.equals(GooglePlayStorePackageNameOld) ||
packageInfo.packageName.equals(GooglePlayStorePackageNameNew)) {
googlePlayStoreInstalled = true;
break;
}
}
}
关于android - 无法确定 Android 设备上是否安装了 Google Play 商店,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10551531/