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Java 用于下载图像的崩溃应用程序?_Java_Android_Xml_Android Studio_Universal Image Loader - Fatal编程技术网

Java 用于下载图像的崩溃应用程序?

Java 用于下载图像的崩溃应用程序?,java,android,xml,android-studio,universal-image-loader,Java,Android,Xml,Android Studio,Universal Image Loader,我在项目中使用库,这是我的代码: public class MainActivity extends AppCompatActivity { ViewPager viewPager; ViewPageAdapter adapter; private String[] images={ "http://s1.picofile.com/file/8287195734/p3.png", "http://s1.picofile.com/file/8287195734/p3

我在项目中使用库,这是我的代码:

public class MainActivity extends AppCompatActivity {
ViewPager viewPager;
ViewPageAdapter adapter;
private String[] images={
        "http://s1.picofile.com/file/8287195734/p3.png",
        "http://s1.picofile.com/file/8287195734/p3.png",
        "http://s1.picofile.com/file/8287195734/p3.png"
};
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ImageLoaderConfiguration confing = new ImageLoaderConfiguration.Builder(this).build();
    ImageLoader.getInstance().init(confing);
    viewPager = (ViewPager)findViewById(R.id.viewpager);
    adapter = new ViewPageAdapter(MainActivity.this,images,ImageLoader.getInstance());
    viewPager.setAdapter(adapter);
}}
我正在YouTube上观看 当我退出应用程序时,我在清单中写入权限。 在
logcat
中,在
MainActivity
的第二十二行中说错误,这是
MainActivity
中的第二十二行:

setContentView(R.layout.activity_main);
这是我的activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="comicc.idea.com.myapplication.MainActivity">


    <android.support.v4.view.viewpager
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</RelativeLayout>


从Logcat发布执行选项错误在哪里?我认为错误在您的activity\u main xml中。请上传activity\u main.xml或上传错误日志cat。