[英]How to know if an app has been installed successfully in android
How can I know if an app has been installed successfully in android? 我怎么知道一个应用程序是否已经在android中成功安装? I am using the following method to install apk files.
我正在使用以下方法安装apk文件。
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
startActivity(intent);
You can query the list of installed packages and look for the one you just installed: 您可以查询已安装软件包的列表,并查找刚刚安装的软件包:
List pkgAppsList = context.getPackageManager().getInstalledPackages();
http://developer.android.com/reference/android/content/pm/PackageManager.html#getInstalledPackages%28int%29 http://developer.android.com/reference/android/content/pm/PackageManager.html#getInstalledPackages%28int%29
private boolean isAppInstalled(String uri) {
PackageManager pm = getPackageManager();
boolean installed = false;
try {
pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
installed = true;
} catch (PackageManager.NameNotFoundException e) {
installed = false;
}
return installed;
}
Just call the method by passing the package name of the application you need to check. 只需通过传递您需要检查的应用程序的程序包名称来调用该方法。
if(isAppInstalled("com.yourpackage.package")){
//app installed
}
else{
//app not installed
}
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