open_local_app

最新推荐文章于 2024-12-26 00:11:01 发布

原创最新推荐文章于 2024-12-26 00:11:01 发布 · 144 阅读

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本文介绍了如何通过Java代码打开本地应用程序，详细解释了使用Intent和PackageManager类的步骤，并提供了实例代码。

/**
* 根据包名打开本地应用程序
*
* @param String packageName
* @return void
* @throws
* @since TianTian
*/
public void openApp(String packageName)
{
try
{
PackageManager manager = getPackageManager();
PackageInfo pi = manager.getPackageInfo(packageName, 0);

Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
resolveIntent.setPackage(pi.packageName);

List<ResolveInfo> apps = manager.queryIntentActivities(resolveIntent, 0);

if (CommonUtil.isNotEmpty(apps))
{
ResolveInfo info = apps.iterator().next();
if (null != info)
{
packageName = info.activityInfo.packageName;
String className = info.activityInfo.name;

Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);

ComponentName component = new ComponentName(packageName, className);

intent.setComponent(component);
startActivity(intent);
}
}
}catch (NameNotFoundException e){
e.printStackTrace();
}
}

2： PackageManager packageManager = Start_RemoveSoftActivity.this.getPackageManager();
Intent intent=new Intent();
try {
intent =packageManager.getLaunchIntentForPackage("要调用应用的包名");
} catch (NameNotFoundException e) {
Log.i(TAG, e.toString());
}
startActivity(intent);