android ViewPager xml膨胀错误
我正在学习如何实现水平滑动,在尝试启动布局中包含android ViewPager xml膨胀错误,android,android-viewpager,Android,Android Viewpager,我正在学习如何实现水平滑动,在尝试启动布局中包含ViewPager的应用程序时,我遇到了以下错误 03-25 17:12:13.166: E/AndroidRuntime(19449): FATAL EXCEPTION: main 03-25 17:12:13.166: E/AndroidRuntime(19449): java.lang.RuntimeException: Unable to start activity ComponentInfo{androidapps.viewpagerd
ViewPager
的应用程序时,我遇到了以下错误
03-25 17:12:13.166: E/AndroidRuntime(19449): FATAL EXCEPTION: main
03-25 17:12:13.166: E/AndroidRuntime(19449): java.lang.RuntimeException: Unable to start activity ComponentInfo{androidapps.viewpagerdemo/androidapps.viewpagerdemo.MainActivity}: android.view.InflateException: Binary XML file line #11: Error inflating class android.support.v4.app.ViewPager
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread.access$600(ActivityThread.java:130)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.os.Handler.dispatchMessage(Handler.java:99)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.os.Looper.loop(Looper.java:137)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread.main(ActivityThread.java:4745)
03-25 17:12:13.166: E/AndroidRuntime(19449): at java.lang.reflect.Method.invokeNative(Native Method)
03-25 17:12:13.166: E/AndroidRuntime(19449): at java.lang.reflect.Method.invoke(Method.java:511)
03-25 17:12:13.166: E/AndroidRuntime(19449): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
03-25 17:12:13.166: E/AndroidRuntime(19449): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
03-25 17:12:13.166: E/AndroidRuntime(19449): at dalvik.system.NativeStart.main(Native Method)
03-25 17:12:13.166: E/AndroidRuntime(19449): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class android.support.v4.app.ViewPager
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:698)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
03-25 17:12:13.166: E/AndroidRuntime(19449): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:256)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.Activity.setContentView(Activity.java:1867)
03-25 17:12:13.166: E/AndroidRuntime(19449): at androidapps.viewpagerdemo.MainActivity.onCreate(MainActivity.java:14)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.Activity.performCreate(Activity.java:5008)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
03-25 17:12:13.166: E/AndroidRuntime(19449): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
03-25 17:12:13.166: E/AndroidRuntime(19449): ... 11 more
我在这个链接中尝试了这个解决方案,但它对我不起作用。
activity_main.xml
<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"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<android.support.v4.app.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</RelativeLayout>
FragmentPagerAdapter类:
public class MyAdapter extends FragmentPagerAdapter{
final int PAGE_COUNT = 3;
public MyAdapter(FragmentManager fm) {
super(fm);
// TODO Auto-generated constructor stub
}
@Override
public Fragment getItem(int arg0) {
// TODO Auto-generated method stub
MyFragment myFragment = new MyFragment();
Bundle data = new Bundle();
data.putInt("current_page", arg0+1);
myFragment.setArguments(data);
return myFragment;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return PAGE_COUNT;
}
}
主要活动:
public class MainActivity extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ViewPager pager = (ViewPager) findViewById(R.id.pager);
/** Instantiating FragmentPagerAdapter */
MyAdapter pagerAdapter = new MyAdapter(getSupportFragmentManager());
/** Setting the pagerAdapter to the pager object */
pager.setAdapter(pagerAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
package com.example.viewpage;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.Menu;
public class MainActivity extends FragmentActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ViewPager pager = (ViewPager) findViewById(R.id.pager);
/** Instantiating FragmentPagerAdapter */
MyAdapter pagerAdapter = new MyAdapter(getSupportFragmentManager());
/** Setting the pagerAdapter to the pager object */
pager.setAdapter(pagerAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
您好,我刚刚对您的布局文件做了一些更改,现在可以正常工作了
<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"
android:padding="10dp" >
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</RelativeLayout>
MyAdapter:
package com.example.viewpage;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
public class MyAdapter extends android.support.v4.app.FragmentPagerAdapter {
final int PAGE_COUNT = 3;
public MyAdapter(FragmentManager fm) {
super(fm);
// TODO Auto-generated constructor stub
}
@Override
public Fragment getItem(int arg0) {
// TODO Auto-generated method stub
MyFragment myFragment = new MyFragment();
Bundle data = new Bundle();
data.putInt("current_page", arg0 + 1);
myFragment.setArguments(data);
return myFragment;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return PAGE_COUNT;
}
}
我的片段:
package com.example.viewpage;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class MyFragment extends Fragment {
private int mCurrentPage;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/** Getting the arguments to the Bundle object */
Bundle data = getArguments();
/** Getting integer data of the key current_page from the bundle */
mCurrentPage = data.getInt("current_page", 0);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.frag_layout, container, false);
TextView tv = (TextView) v.findViewById(R.id.textView1);
tv.setText("You are viewing the page #" + mCurrentPage + "\n\n"
+ "Swipe Horizontally left / right");
return v;
}
}
frag_layout.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
注意:在lib文件夹中添加支持
android-support-v4.jar
。在构建路径中添加此jar。现在转到项目属性-->生成路径-->顺序和导出-->全选-->确定
。Clean&RUN.android-support-v4.jar位于我的项目的libs文件夹中,我还将其添加到构建路径中。请将xml和代码放在此处。在此之前,只需检查构建路径中的所有jar。如果仍然出现错误,请发布代码..好的,伙计们,我已经发布了相关的xml文件和类。我一直在参考这篇文章,您使用的是哪个版本的支持库。并在viewpager中添加片段的位置发布fragmentActivity代码。我的建议是尝试右键单击您的项目来添加支持库->AndroidTools->Add Support Library。谢谢你的回答。我试过了,但仍然得到相同的错误检查我的笔记,然后再做。您已经使用了android-support-v4.jar??从我的答案中替换MyAdapter类。。。你还是不明白,那就把我所有的代码都复制到你的代码里吧。是的,我做了你在便条中提到的。我用您的代码替换了MyAdapter类,没有更改。我不能确切地指出这个问题。我不知道复制粘贴你的整个代码是否会有任何不同是的,它会产生不同。。因为我们的进口可能不同。适合所有班级。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>