所以我知道“错误膨胀类”通常是因为构造函数丢失或格式错误......但我让 eclipse 生成它们，它们看起来与我见过的其他示例相似。该错误指向我试图将自定义类添加到布局的 XML 文件。
我假设我必须以某种方式声明扩展的 ImageView，但我不知道如何这样做。您可以提供的任何帮助将不胜感激。
错误
06-27 09:12:18.655: D/AndroidRuntime(1487): Shutting down VM
06-27 09:12:18.655: W/dalvikvm(1487): threadid=1: thread exiting with uncaught exception (group=0x409c01f8)
06-27 09:12:18.675: I/dalvikvm(1487): threadid=3: reacting to signal 3
06-27 09:12:18.715: I/dalvikvm(1487): Wrote stack traces to '/data/anr/traces.txt'
06-27 09:12:18.755: E/AndroidRuntime(1487): FATAL EXCEPTION: main
06-27 09:12:18.755: E/AndroidRuntime(1487): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mytheral.android.AnimationTimer/com.mytheral.android.AnimationTimer.AnimationTimerActivity}: android.view.InflateException: Binary XML file line #7: Error inflating class AnimationImageView
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread.access$600(ActivityThread.java:123)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.os.Handler.dispatchMessage(Handler.java:99)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.os.Looper.loop(Looper.java:137)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread.main(ActivityThread.java:4424)
06-27 09:12:18.755: E/AndroidRuntime(1487): at java.lang.reflect.Method.invokeNative(Native Method)
06-27 09:12:18.755: E/AndroidRuntime(1487): at java.lang.reflect.Method.invoke(Method.java:511)
06-27 09:12:18.755: E/AndroidRuntime(1487): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-27 09:12:18.755: E/AndroidRuntime(1487): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-27 09:12:18.755: E/AndroidRuntime(1487): at dalvik.system.NativeStart.main(Native Method)
06-27 09:12:18.755: E/AndroidRuntime(1487): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class AnimationImageView
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
06-27 09:12:18.755: E/AndroidRuntime(1487): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.Activity.setContentView(Activity.java:1835)
06-27 09:12:18.755: E/AndroidRuntime(1487): at com.mytheral.android.AnimationTimer.AnimationTimerActivity.onCreate(AnimationTimerActivity.java:15)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.Activity.performCreate(Activity.java:4465)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
06-27 09:12:18.755: E/AndroidRuntime(1487): ... 11 more
06-27 09:12:18.755: E/AndroidRuntime(1487): Caused by: java.lang.ClassNotFoundException: android.view.AnimationImageView
06-27 09:12:18.755: E/AndroidRuntime(1487): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
06-27 09:12:18.755: E/AndroidRuntime(1487): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
06-27 09:12:18.755: E/AndroidRuntime(1487): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.createView(LayoutInflater.java:552)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:636)
06-27 09:12:18.755: E/AndroidRuntime(1487): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.onCreateView(LayoutInflater.java:653)
06-27 09:12:18.755: E/AndroidRuntime(1487): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:678)
06-27 09:12:18.755: E/AndroidRuntime(1487): ... 21 more
XML 文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<AnimationImageView
android:id="@+id/progress_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher" />
</LinearLayout>
动画定时器活动
package com.mytheral.android.AnimationTimer;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
public class AnimationTimerActivity extends Activity {
/** Called when the activity is first created. */
private static final String TAG = "AnimationTimer";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.v(TAG, "onCreate");
AnimationImageView image= (AnimationImageView) findViewById(R.id.progress_bar);
image.StartAnimation();
}
}
动画图像视图
package com.mytheral.android.AnimationTimer;
import java.util.Timer;
import java.util.TimerTask;
import android.content.Context;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.ImageView;
public class AnimationImageView extends ImageView {
private static final String TAG = "AnimationImageView";
private Timer imgTimer;
private int currentFrame = 0;
private int maxFrame = 269; //Testing Value
private String fileName = "green_flag_"; //Testing Value
public int getCurrentFrame() {
return currentFrame;
}
public void setCurrentFrame(int currentFrame) {
this.currentFrame = currentFrame;
}
public int getMaxFrame() {
return maxFrame;
}
public void setMaxFrame(int maxFrame) {
this.maxFrame = maxFrame;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public AnimationImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public AnimationImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public AnimationImageView(Context context) {
super(context);
}
public void StartAnimation() {
Log.v(TAG, "onCreate");
currentFrame = 0;
maxFrame = 269;
imgTimer = new Timer();
try {
imgTimer.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
imgUpdateHandler.sendEmptyMessage(0);
}}, 0, 67);
} catch (Exception e) {
e.printStackTrace();
}
}
private Handler imgUpdateHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
Log.v(TAG, "imgUpdateHandler: currentFrame: " + currentFrame);
Uri imgUri;
if (currentFrame <= maxFrame)
{
int i = currentFrame;
imgUri = Uri.parse("android.resource://com.mytheral.android.AnimationTimer/drawable/" + fileName + String.format("%04d", i));
//Uncomment if images don't cycle... Prior Android work around
//image.setImageURI(null);
try {
setImageURI(imgUri);
} catch (Exception e) {
e.printStackTrace();
}
currentFrame++;
}
if (currentFrame > maxFrame)
{
Log.v(TAG, "imgUpdateHandler: stopAnimation");
imgTimer.cancel();
imgTimer.purge();
}
}
};
}