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我使用下面的代码获取安装包的名字,但是当我运行它,它“意外停止”应用程序意外停止,而
我给的权限波纹管
<uses-permission android:name="android.permission.RESTART_PACKAGES" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.GET_PACKAGE_SIZE" />
哪些错误,此代码:
import java.util.List;
import android.app.Activity;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
public class MainActivity extends Activity
{
public static String Tag = "Task";
Context ctx;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
//Intent service = new Intent(this,MyService.class);
PackageManager pm = getApplicationContext().getPackageManager();
List<ApplicationInfo> pis = pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);
for (ApplicationInfo appinfo : pis)
{
String S1=appinfo.className.toString();
Log.i(Tag,S1);
}
}
}
我试图逐个检索已安装的应用程序。
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