Android如何获取手机上面已经安装的app

android手机system

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1. PackageManager mPackageManager = getPackageManager();
2. mPackageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES );

PackageManager mPackageManager = getPackageManager();mPackageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES );

这样就获取到了系统上面所有的app.

那么如何获取到非系统的app呢？

其实很简单，我们只需要做个简单的判断就行了，如：

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1. final PackageInfo packageInfo = mPackageInfoList.get(i);
2. if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
3. //添加自己的代码即可
4. }