android.view.InflateException:二进制XML文件行#7:膨胀类片段时出错
我知道类似的问题已经得到了回答,但我似乎已经按照教程的建议做了,并且阅读了其他帖子,但我仍然得到了充气机的错误。不知道我做错了什么。请检查代码。非常感谢 编辑:我在一个活动中有两个片段。我在一个片段中有一个按钮,在另一个片段中有一个文本视图。我试图理解片段是如何工作的,所以在阅读了文档之后,我自己编写了这段代码。当按钮在一个片段中被触发时,它会向活动中的另一个片段发送一个值。我无法使碎片膨胀 MainActivity.javaandroid.view.InflateException:二进制XML文件行#7:膨胀类片段时出错,android,android-fragments,Android,Android Fragments,我知道类似的问题已经得到了回答,但我似乎已经按照教程的建议做了,并且阅读了其他帖子,但我仍然得到了充气机的错误。不知道我做错了什么。请检查代码。非常感谢 编辑:我在一个活动中有两个片段。我在一个片段中有一个按钮,在另一个片段中有一个文本视图。我试图理解片段是如何工作的,所以在阅读了文档之后,我自己编写了这段代码。当按钮在一个片段中被触发时,它会向活动中的另一个片段发送一个值。我无法使碎片膨胀 MainActivity.java import com.transport.mbtal
import com.transport.mbtalocpro.PredictedTimeFragment.ButtonClickListener;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
public class MainActivity extends FragmentActivity implements ButtonClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public void sendCounter(int count) {
TestFrag testF = (TestFrag) getSupportFragmentManager().findFragmentById(R.id.bottomHalf);
if(testF != null) testF.setCounter(String.valueOf(count));
}
}
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
public class PredictedTimeFragment extends Fragment {
ButtonClickListener bListener;
public interface ButtonClickListener {
public void sendCounter(int count);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
try {
View view = inflater.inflate(R.layout.prediction_time, container, false);
Button button = (Button) view.findViewById(R.id.test);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
test(v);
}
});
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Predicted Time Fragment");
}
return super.onCreateView(inflater, container, savedInstanceState);
}
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
bListener = (ButtonClickListener) activity;
} catch (ClassCastException e) {
System.out.println("must implemenet Listener");
}
}
public void test(View view) {
bListener.sendCounter(23);
}
}
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class TestFrag extends Fragment {
@Override
public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflator, container, savedInstanceState);
try {
View view = inflator.inflate(R.layout.test_frag, container, false);
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Test Fragment");
}
return super.onCreateView(inflator, container, savedInstanceState);
}
public void setCounter(String textS) {
TextView text = (TextView) getView().findViewById(R.id.test1);
text.setText((String) textS);
}
}
PredictedTimeFragment.java
import com.transport.mbtalocpro.PredictedTimeFragment.ButtonClickListener;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
public class MainActivity extends FragmentActivity implements ButtonClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public void sendCounter(int count) {
TestFrag testF = (TestFrag) getSupportFragmentManager().findFragmentById(R.id.bottomHalf);
if(testF != null) testF.setCounter(String.valueOf(count));
}
}
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
public class PredictedTimeFragment extends Fragment {
ButtonClickListener bListener;
public interface ButtonClickListener {
public void sendCounter(int count);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
try {
View view = inflater.inflate(R.layout.prediction_time, container, false);
Button button = (Button) view.findViewById(R.id.test);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
test(v);
}
});
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Predicted Time Fragment");
}
return super.onCreateView(inflater, container, savedInstanceState);
}
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
bListener = (ButtonClickListener) activity;
} catch (ClassCastException e) {
System.out.println("must implemenet Listener");
}
}
public void test(View view) {
bListener.sendCounter(23);
}
}
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class TestFrag extends Fragment {
@Override
public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflator, container, savedInstanceState);
try {
View view = inflator.inflate(R.layout.test_frag, container, false);
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Test Fragment");
}
return super.onCreateView(inflator, container, savedInstanceState);
}
public void setCounter(String textS) {
TextView text = (TextView) getView().findViewById(R.id.test1);
text.setText((String) textS);
}
}
TestFrag.java
import com.transport.mbtalocpro.PredictedTimeFragment.ButtonClickListener;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
public class MainActivity extends FragmentActivity implements ButtonClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public void sendCounter(int count) {
TestFrag testF = (TestFrag) getSupportFragmentManager().findFragmentById(R.id.bottomHalf);
if(testF != null) testF.setCounter(String.valueOf(count));
}
}
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
public class PredictedTimeFragment extends Fragment {
ButtonClickListener bListener;
public interface ButtonClickListener {
public void sendCounter(int count);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
try {
View view = inflater.inflate(R.layout.prediction_time, container, false);
Button button = (Button) view.findViewById(R.id.test);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
test(v);
}
});
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Predicted Time Fragment");
}
return super.onCreateView(inflater, container, savedInstanceState);
}
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
bListener = (ButtonClickListener) activity;
} catch (ClassCastException e) {
System.out.println("must implemenet Listener");
}
}
public void test(View view) {
bListener.sendCounter(23);
}
}
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class TestFrag extends Fragment {
@Override
public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState) {
super.onCreateView(inflator, container, savedInstanceState);
try {
View view = inflator.inflate(R.layout.test_frag, container, false);
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Test Fragment");
}
return super.onCreateView(inflator, container, savedInstanceState);
}
public void setCounter(String textS) {
TextView text = (TextView) getView().findViewById(R.id.test1);
text.setText((String) textS);
}
}
活动\u main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical">
<fragment
android:id="@+id/topHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name="com.transport.mbtalocpro.PredictedTimeFragment"/>
<fragment
android:id="@+id/bottomHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name ="com.transport.mbtalocpro.TestFrag"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="@+id/test"
android:text="Test"
android:layout_width="fill_parent"
android:layout_height="30dp"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/test1"
android:layout_width="fill_parent"
android:layout_height="40dp"/>
</LinearLayout>
预测时间.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical">
<fragment
android:id="@+id/topHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name="com.transport.mbtalocpro.PredictedTimeFragment"/>
<fragment
android:id="@+id/bottomHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name ="com.transport.mbtalocpro.TestFrag"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="@+id/test"
android:text="Test"
android:layout_width="fill_parent"
android:layout_height="30dp"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/test1"
android:layout_width="fill_parent"
android:layout_height="40dp"/>
</LinearLayout>
测试框架.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical">
<fragment
android:id="@+id/topHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name="com.transport.mbtalocpro.PredictedTimeFragment"/>
<fragment
android:id="@+id/bottomHalf"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="0.5"
android:name ="com.transport.mbtalocpro.TestFrag"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="@+id/test"
android:text="Test"
android:layout_width="fill_parent"
android:layout_height="30dp"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/test1"
android:layout_width="fill_parent"
android:layout_height="40dp"/>
</LinearLayout>
我也在尝试支持蜂蜜梳之前的版本,我想我正在导入所有的支持库 尝试用android.support.v4.app.fragment替换xml中的片段
编辑:在onCreateView中处理完视图后,也可以尝试调用super,即只调用一次。删除开头对super的调用,并查看这是否有助于在
onCreateView
回调中返回您已充气的视图。这样系统就知道要绘制哪个视图
。否则,如果只返回super.onCreateView(…)代码>这样,就不会出现UI
试试这个:
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
super.onCreateView(inflater, container, savedInstanceState);
try {
View view = inflater.inflate(R.layout.prediction_time, container, false);
Button button = (Button) view.findViewById(R.id.test);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
test(v);
}
});
} catch(InflateException e) {
e.printStackTrace();
System.out.println("Predicted Time Fragment");
}
return view;
}
相应地更改其他片段的返回值。删除导入语句:
import android.support.v4.app.FragmentActivity;
然后使用弹出的导入建议再次导入。我不知道为什么,但它总是对我有用
import android.support.v4.app.FragmentActivity;
要修复错误,请执行以下操作:
在舱单中:
<application
android:largeHeap="true"
因为该错误是内存不足错误更改布局小部件id,所以它对我有效。到处乱扔代码可能不会鼓励有人帮助你。一些基本的细节会很棒。@WarrenFaith-我添加了一些关于代码的细节。很抱歉。我很着急。谢谢。在onCreateView的基础上,您不需要片段中的任何一个超级调用;只需返回您的视图。您是否尝试删除对super的呼叫?既然你叫了两次。你能发布日志吗?事实上,我重新编辑了我的工作,它开始工作了,我相信它可能是xml中片段中的名称(android:name),我将它更改为class=“片段类的名称”,但我以前做过一次,它没有工作。不知道为什么上面的代码不起作用。无论如何,谢谢你的帮助。我只是注意到这是一个旧的,有一个正确的解决方案wkhatch的意见。
import android.support.v4.app.FragmentActivity;