正如你们所知道的那样 - 我的prorgrmming经验有限 - 无论如何，在这个级别。我最近几天一直在努力解决这个错误，因为我不确切地知道logcat试图说些什么。你能帮助我吗？ （是的，此代码的很大一部分是从AOSP回购中复制而来的。我正在努力使其适应我的需求。）
你们可以提供的任何东西都将非常感谢
logcat的：
03-31 12:49:07.814: D/AndroidRuntime(8809): Shutting down VM
03-31 12:49:07.834: W/dalvikvm(8809): threadid=1: thread exiting with uncaught exception (group=0x40a4f1f8)
03-31 12:49:07.854: E/AndroidRuntime(8809): FATAL EXCEPTION: main
03-31 12:49:07.854: E/AndroidRuntime(8809): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.senseimods.wallpapers.heavymetals/com.senseimods.wallpapers.heavymetals.HeavyMetalsActivity}: android.view.InflateException: Binary XML file line #4: Error inflating class fragment
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread.access$600(ActivityThread.java:123)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.os.Handler.dispatchMessage(Handler.java:99)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.os.Looper.loop(Looper.java:137)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread.main(ActivityThread.java:4424)
03-31 12:49:07.854: E/AndroidRuntime(8809): at java.lang.reflect.Method.invokeNative(Native Method)
03-31 12:49:07.854: E/AndroidRuntime(8809): at java.lang.reflect.Method.invoke(Method.java:511)
03-31 12:49:07.854: E/AndroidRuntime(8809): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
03-31 12:49:07.854: E/AndroidRuntime(8809): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
03-31 12:49:07.854: E/AndroidRuntime(8809): at dalvik.system.NativeStart.main(Native Method)
03-31 12:49:07.854: E/AndroidRuntime(8809): Caused by: android.view.InflateException: Binary XML file line #4: Error inflating class fragment
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
03-31 12:49:07.854: E/AndroidRuntime(8809): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Activity.setContentView(Activity.java:1835)
03-31 12:49:07.854: E/AndroidRuntime(8809): at com.senseimods.wallpapers.heavymetals.HeavyMetalsActivity.onCreate(HeavyMetalsActivity.java:15)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Activity.performCreate(Activity.java:4465)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
03-31 12:49:07.854: E/AndroidRuntime(8809): ... 11 more
03-31 12:49:07.854: E/AndroidRuntime(8809): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.senseimods.heavymetals.WallpaperChooserDialogFragment: make sure class name exists, is public, and has an empty constructor that is public
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Fragment.instantiate(Fragment.java:581)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Fragment.instantiate(Fragment.java:549)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Activity.onCreateView(Activity.java:4235)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)
03-31 12:49:07.854: E/AndroidRuntime(8809): ... 21 more
03-31 12:49:07.854: E/AndroidRuntime(8809): Caused by: java.lang.ClassNotFoundException: com.senseimods.heavymetals.WallpaperChooserDialogFragment
03-31 12:49:07.854: E/AndroidRuntime(8809): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
03-31 12:49:07.854: E/AndroidRuntime(8809): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
03-31 12:49:07.854: E/AndroidRuntime(8809): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
03-31 12:49:07.854: E/AndroidRuntime(8809): at android.app.Fragment.instantiate(Fragment.java:571)
03-31 12:49:07.854: E/AndroidRuntime(8809): ... 24 more
03-31 12:54:07.937: I/Process(8809): Sending signal. PID: 8809 SIG: 9
清单：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.senseimods.wallpapers.heavymetals"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="10"
android:targetSdkVersion="15" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/application_name" >
<activity
android:name=".HeavyMetalsActivity"
android:label="@string/application_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".WallpaperChooserDialogFragment"
android:label="@string/application_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
</application>
</manifest>
扩展器：
package com.senseimods.wallpapers.heavymetals;
import android.app.Activity;
import android.app.DialogFragment;
import android.app.Fragment;
import android.os.Bundle;
public class HeavyMetalsActivity extends Activity {
private static final String TAG = "WallpaperChooser";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.wallpaper_chooser_base);
Fragment fragmentView = getFragmentManager().findFragmentById(
R.id.wallpaper_chooser_fragment);
// TODO: The following code is currently not exercised. Leaving it here
// in case it
// needs to be revived again.
if (fragmentView == null) {
/*
* When the screen is XLarge, the fragment is not included in the
* layout, so show it as a dialog
*/
DialogFragment fragment = WallpaperChooserDialogFragment
.newInstance();
fragment.show(getFragmentManager(), "dialog");
}
}
}
启动活动：
private static final String TAG = "WallpaperChooserDialogFragment";
private static final String EMBEDDED_KEY = "com.senseimods.wallpapers."
+ "WallpaperChooserDialogFragment.EMBEDDED_KEY";
private boolean mEmbedded;
private Bitmap mBitmap = null;
private ArrayList<Integer> mThumbs;
private ArrayList<Integer> mImages;
private WallpaperLoader mLoader;
private WallpaperDrawable mWallpaperDrawable = new WallpaperDrawable();
public static WallpaperChooserDialogFragment newInstance() {
WallpaperChooserDialogFragment fragment = new WallpaperChooserDialogFragment();
fragment.setCancelable(true);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState != null
&& savedInstanceState.containsKey(EMBEDDED_KEY)) {
mEmbedded = savedInstanceState.getBoolean(EMBEDDED_KEY);
} else {
mEmbedded = isInLayout();
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putBoolean(EMBEDDED_KEY, mEmbedded);
}
@Override
public void onDestroy() {
super.onDestroy();
if (mLoader != null
&& mLoader.getStatus() != WallpaperLoader.Status.FINISHED) {
mLoader.cancel(true);
mLoader = null;
}
}
@Override
public void onDismiss(DialogInterface dialog) {
super.onDismiss(dialog);
/*
* On orientation changes, the dialog is effectively "dismissed" so this
* is called when the activity is no longer associated with this dying
* dialog fragment. We should just safely ignore this case by checking
* if getActivity() returns null
*/
Activity activity = getActivity();
if (activity != null) {
activity.finish();
}
}
/*
* This will only be called when in XLarge mode, since this Fragment is
* invoked like a dialog in that mode
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
findWallpapers();
// TODO: The following code is not exercised right now and may be
// removed
// if the dialog version is not needed.
/*
* final View v = getActivity().getLayoutInflater().inflate(
* R.layout.wallpaper_chooser, null, false);
*
* GridView gridView = (GridView) v.findViewById(R.id.gallery);
* gridView.setOnItemClickListener(this); gridView.setAdapter(new
* ImageAdapter(getActivity()));
*
* final int viewInset =
* getResources().getDimensionPixelSize(R.dimen.alert_dialog_content_inset
* );
*
* FrameLayout wallPaperList = (FrameLayout)
* v.findViewById(R.id.wallpaper_list); AlertDialog.Builder builder =
* new AlertDialog.Builder(getActivity());
* builder.setNegativeButton(R.string.wallpaper_cancel, null);
* builder.setTitle(R.string.wallpaper_dialog_title);
* builder.setView(wallPaperList, viewInset, viewInset, viewInset,
* viewInset); return builder.create();
*/
return null;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
findWallpapers();
/*
* If this fragment is embedded in the layout of this activity, then we
* should generate a view to display. Otherwise, a dialog will be
* created in onCreateDialog()
*/
if (mEmbedded) {
View view = inflater.inflate(R.layout.wallpaper_chooser, container,
false);
view.setBackgroundDrawable(mWallpaperDrawable);
final Gallery gallery = (Gallery) view.findViewById(R.id.gallery);
gallery.setCallbackDuringFling(false);
gallery.setOnItemSelectedListener(this);
gallery.setAdapter(new ImageAdapter(getActivity()));
View setButton = view.findViewById(R.id.set);
setButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
selectWallpaper(gallery.getSelectedItemPosition());
}
});
return view;
}
return null;
}
private void selectWallpaper(int position) {
try {
WallpaperManager wpm = (WallpaperManager) getActivity()
.getSystemService(Context.WALLPAPER_SERVICE);
wpm.setResource(mImages.get(position));
Activity activity = getActivity();
activity.setResult(Activity.RESULT_OK);
activity.finish();
} catch (IOException e) {
Log.e(TAG, "Failed to set wallpaper: " + e);
}
}
// Click handler for the Dialog's GridView
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
selectWallpaper(position);
}
// Selection handler for the embedded Gallery view
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position,
long id) {
if (mLoader != null
&& mLoader.getStatus() != WallpaperLoader.Status.FINISHED) {
mLoader.cancel();
}
mLoader = (WallpaperLoader) new WallpaperLoader().execute(position);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
private void findWallpapers() {
mThumbs = new ArrayList<Integer>(24);
mImages = new ArrayList<Integer>(24);
final Resources resources = getResources();
// Context.getPackageName() may return the "original" package name,
// com.cyanogenmod.trebuchet; Resources needs the real package name,
// com.cyanogenmod.trebuchet. So we ask Resources for what it thinks the
// package name should be.
final String packageName = resources
.getResourcePackageName(R.array.wallpapers);
addWallpapers(resources, packageName, R.array.wallpapers);
addWallpapers(resources, packageName, R.array.extra_wallpapers);
}
private void addWallpapers(Resources resources, String packageName, int list) {
final String[] extras = resources.getStringArray(list);
for (String extra : extras) {
int res = resources.getIdentifier(extra, "drawable", packageName);
if (res != 0) {
final int thumbRes = resources.getIdentifier(extra + "_small",
"drawable", packageName);
if (thumbRes != 0) {
mThumbs.add(thumbRes);
mImages.add(res);
// Log.d(TAG, "add: [" + packageName + "]: " + extra + " ("
// + res + ")");
}
}
}
}
private class ImageAdapter extends BaseAdapter implements ListAdapter,
SpinnerAdapter {
private LayoutInflater mLayoutInflater;
ImageAdapter(Activity activity) {
mLayoutInflater = activity.getLayoutInflater();
}
public int getCount() {
return mThumbs.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
View view;
if (convertView == null) {
view = mLayoutInflater.inflate(R.layout.wallpaper_item, parent,
false);
} else {
view = convertView;
}
ImageView image = (ImageView) view
.findViewById(R.id.wallpaper_image);
int thumbRes = mThumbs.get(position);
image.setImageResource(thumbRes);
Drawable thumbDrawable = image.getDrawable();
if (thumbDrawable != null) {
thumbDrawable.setDither(true);
} else {
Log.e(TAG, "Error decoding thumbnail resId=" + thumbRes
+ " for wallpaper #" + position);
}
return view;
}
}
class WallpaperLoader extends AsyncTask<Integer, Void, Bitmap> {
BitmapFactory.Options mOptions;
WallpaperLoader() {
mOptions = new BitmapFactory.Options();
mOptions.inDither = false;
mOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;
}
@Override
protected Bitmap doInBackground(Integer... params) {
if (isCancelled())
return null;
try {
return BitmapFactory.decodeResource(getResources(),
mImages.get(params[0]), mOptions);
} catch (OutOfMemoryError e) {
return null;
}
}
@Override
protected void onPostExecute(Bitmap b) {
if (b == null)
return;
if (!isCancelled() && !mOptions.mCancel) {
// Help the GC
if (mBitmap != null) {
mBitmap.recycle();
}
View v = getView();
if (v != null) {
mBitmap = b;
mWallpaperDrawable.setBitmap(b);
v.postInvalidate();
} else {
mBitmap = null;
mWallpaperDrawable.setBitmap(null);
}
mLoader = null;
} else {
b.recycle();
}
}
void cancel() {
mOptions.requestCancelDecode();
super.cancel(true);
}
}
/**
* Custom drawable that centers the bitmap fed to it.
*/
static class WallpaperDrawable extends Drawable {
Bitmap mBitmap;
int mIntrinsicWidth;
int mIntrinsicHeight;
/* package */void setBitmap(Bitmap bitmap) {
mBitmap = bitmap;
if (mBitmap == null)
return;
mIntrinsicWidth = mBitmap.getWidth();
mIntrinsicHeight = mBitmap.getHeight();
}
@Override
public void draw(Canvas canvas) {
if (mBitmap == null)
return;
int width = canvas.getWidth();
int height = canvas.getHeight();
int x = (width - mIntrinsicWidth) / 2;
int y = (height - mIntrinsicHeight) / 2;
canvas.drawBitmap(mBitmap, x, y, null);
}
@Override
public int getOpacity() {
return android.graphics.PixelFormat.OPAQUE;
}
@Override
public void setAlpha(int alpha) {
// Ignore
}
@Override
public void setColorFilter(ColorFilter cf) {
// Ignore
}
}
}
答案 0 :(得分：0)
关键是：
Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.senseimods.heavymetals.WallpaperChooserDialogFragment: make sure class name exists, is public, and has an empty constructor that is public
您违反了以下三条规则之一：
您也可能违反了第四条规则：
Fragment的内容是Fragment 我这样说是因为您的清单中有一个<activity>元素，声明WallpaperChooserDialogFragment是一个活动，而不是一个片段。
如果WallpaperChooserDialogFragment是Fragment，除了修复导致崩溃的错误之外（请参阅上面的项目符号列表），您需要删除<activity>元素，因为它是错。
如果WallpaperChooserDialogFragment不是Fragment，而是活动，您可能希望将该类重命名为不包含Fragment，并且您无法尝试将其强制转换为a DialogFragment或以其他方式将其视为片段。
答案 1 :(得分：0)
我也觉得inflateException一样，不能instataniate错误， 但在我的情况下，这是由于android包重命名。 如果您还重命名了包名称然后面临这个问题，那么R.java和一些条目仍然可能更旧，只需在包名称上输入F2＆amp;重命名它不是解决方案。 你用ctrl + f搜索包名＆amp;每个人都正确地重命名....
答案 2 :(得分：0)
如果在调用android.view.InflateException: Binary XML file line: #... Error inflating class fragment之前在片段内部使用getActivity()进行操作，则可能会发生onActivityCreated()异常。在这种情况下，您会收到错误的活动参考，并且不能依赖它。
例如，下一个模式是错误的：
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
final View view = inflater.inflate(R.layout..., container, false);
Button button = getActivity().findViewById(R.id...);
button.setOnClickListener(...); - another problem: button is null
return view;
}