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Android 判断某个 APK 是否已安装 - MayGodBlessYou
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<h1>Android 判断某个 APK 是否已安装</h1>
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<span class="date">2016/05/06</span>
<span>posted in </span>
<span class="posted-in"><a href='Android.html'>Android</a></span>
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<p>Android 项目中需要判断某个 APK 是否已安装</p>
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<p>关键代码如下</p>
<pre><code class="language-plain_text"> private boolean isAppInstalled(String uri) {
PackageManager pm = getPackageManager();
boolean installed;
try {
pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
installed = true;
} catch(PackageManager.NameNotFoundException e) {
installed = false;
}
return installed;
}
</code></pre>
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