Android视图膨胀异常
我正在尝试创建一个自定义视图-手指绘制，但我遇到了这个错误，我不知道如何修复它。谁能告诉我怎么了 日志：Android视图膨胀异常,android,android-canvas,android-view,android-custom-view,android-inflate,Android,Android Canvas,Android View,Android Custom View,Android Inflate,我正在尝试创建一个自定义视图-手指绘制，但我遇到了这个错误，我不知道如何修复它。谁能告诉我怎么了 日志： 08-04 08:34:01.171: E/AndroidRuntime(15664): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.boenka.mk/com.boenka.mk.Draw}: android.view.InflateException: Binary XML file lin
08-04 08:34:01.171: E/AndroidRuntime(15664): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.boenka.mk/com.boenka.mk.Draw}: android.view.InflateException: Binary XML file line #9: Error inflating class com.boenka.mk.DrawPanel
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread.access$600(ActivityThread.java:123)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.os.Handler.dispatchMessage(Handler.java:99)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.os.Looper.loop(Looper.java:137)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread.main(ActivityThread.java:4424)
08-04 08:34:01.171: E/AndroidRuntime(15664): at java.lang.reflect.Method.invokeNative(Native Method)
08-04 08:34:01.171: E/AndroidRuntime(15664): at java.lang.reflect.Method.invoke(Method.java:511)
08-04 08:34:01.171: E/AndroidRuntime(15664): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
08-04 08:34:01.171: E/AndroidRuntime(15664): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
08-04 08:34:01.171: E/AndroidRuntime(15664): at dalvik.system.NativeStart.main(Native Method)
08-04 08:34:01.171: E/AndroidRuntime(15664): Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class com.boenka.mk.DrawPanel
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:691)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
08-04 08:34:01.171: E/AndroidRuntime(15664): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.Activity.setContentView(Activity.java:1835)
08-04 08:34:01.171: E/AndroidRuntime(15664): at com.boenka.mk.Draw.onCreate(Draw.java:49)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.Activity.performCreate(Activity.java:4465)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
08-04 08:34:01.171: E/AndroidRuntime(15664): ... 11 more
08-04 08:34:01.171: E/AndroidRuntime(15664): Caused by: java.lang.ClassNotFoundException: com.boenka.mk.DrawPanel
08-04 08:34:01.171: E/AndroidRuntime(15664): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
08-04 08:34:01.171: E/AndroidRuntime(15664): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
08-04 08:34:01.171: E/AndroidRuntime(15664): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.createView(LayoutInflater.java:552)
08-04 08:34:01.171: E/AndroidRuntime(15664): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
08-04 08:34:01.171: E/AndroidRuntime(15664): ... 21 more
public class DrawingPanel extends View implements OnTouchListener {
private Canvas mCanvas;
private Path mPath;
private Paint mPaint, mBitmapPaint;
private ArrayList<PathPoints> paths = new ArrayList<PathPoints>();
private ArrayList<PathPoints> undonePaths = new ArrayList<PathPoints>();
private Bitmap mBitmap;
private int x, y;
private int color;
public DrawingPanel(Context context, AttributeSet attrs) {
super(context, attrs);
this.color = Color.BLACK;
// setFocusable(true);
// setFocusableInTouchMode(true);
this.setOnTouchListener(this);
mBitmapPaint = new Paint(Paint.DITHER_FLAG);
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setDither(true);
mPaint.setColor(color);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeJoin(Paint.Join.ROUND);
mPaint.setStrokeCap(Paint.Cap.ROUND);
mPaint.setStrokeWidth(3);
mPaint.setTextSize(30);
mPath = new Path();
paths.add(new PathPoints(mPath, color, false));
mCanvas = new Canvas();
}
public void colorChanged(int color) {
this.color = color;
mPaint.setColor(color);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
// mBitmap = AddReportItemActivity.mPhoto;
float xscale = (float) w / (float) mBitmap.getWidth();
float yscale = (float) h / (float) mBitmap.getHeight();
if (xscale > yscale) // make sure both dimensions fit (use the
// smaller scale)
xscale = yscale;
float newx = (float) w * xscale;
float newy = (float) h * xscale; // use the same scale for both
// dimensions
// if you want it centered on the display (black borders)
mBitmap = Bitmap.createScaledBitmap(mBitmap, this.getWidth(),
this.getHeight(), true);
// mCanvas = new Canvas(mBitmap);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawBitmap(mBitmap, 0, 0, mBitmapPaint);
for (PathPoints p : paths) {
mPaint.setColor(p.getColor());
Log.v("", "Color code : " + p.getColor());
if (p.isTextToDraw()) {
canvas.drawText(p.textToDraw, p.x, p.y, mPaint);
} else {
canvas.drawPath(p.getPath(), mPaint);
}
}
}
private float mX, mY;
private static final float TOUCH_TOLERANCE = 0;
private void touch_start(float x, float y) {
mPath.reset();
mPath.moveTo(x, y);
mX = x;
mY = y;
}
private void touch_move(float x, float y) {
float dx = Math.abs(x - mX);
float dy = Math.abs(y - mY);
if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {
mPath.quadTo(mX, mY, (x + mX) / 2, (y + mY) / 2);
mX = x;
mY = y;
}
}
private void touch_up() {
mPath.lineTo(mX, mY);
// commit the path to our offscreen
mCanvas.drawPath(mPath, mPaint);
// kill this so we don't double draw
mPath = new Path();
paths.add(new PathPoints(mPath, color, false));
}
@Override
public boolean onTouch(View arg0, MotionEvent event) {
float x = event.getX();
float y = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
touch_start(x, y);
invalidate();
break;
case MotionEvent.ACTION_MOVE:
touch_move(x, y);
invalidate();
break;
case MotionEvent.ACTION_UP:
touch_up();
invalidate();
break;
}
return true;
}
public void onClickUndo() {
if (paths.size() > 0) {
undonePaths.add(paths.remove(paths.size() - 1));
invalidate();
} else {
}
// toast the user
}
public void onClickRedo() {
if (undonePaths.size() > 0) {
paths.add(undonePaths.remove(undonePaths.size() - 1));
invalidate();
} else {
}
}
class PathPoints {
private Path path;
// private Paint mPaint;
private int color;
private String textToDraw;
private boolean isTextToDraw;
private int x, y;
public PathPoints(Path path, int color, boolean isTextToDraw) {
this.path = path;
this.color = color;
this.isTextToDraw = isTextToDraw;
}
public PathPoints(int color, String textToDraw, boolean isTextToDraw,
int x, int y) {
this.color = color;
this.textToDraw = textToDraw;
this.isTextToDraw = isTextToDraw;
this.x = x;
this.y = y;
}
public Path getPath() {
return path;
}
public void setPath(Path path) {
this.path = path;
}
public int getColor() {
return color;
}
public void setColor(int color) {
this.color = color;
}
public String getTextToDraw() {
return textToDraw;
}
public void setTextToDraw(String textToDraw) {
this.textToDraw = textToDraw;
}
public boolean isTextToDraw() {
return isTextToDraw;
}
public void setTextToDraw(boolean isTextToDraw) {
this.isTextToDraw = isTextToDraw;
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
}
public int getColor() {
return color;
}
public void clear() {
invalidate();
}
public void setBrushSize(float size) {
mPaint.setStrokeWidth(size);
}
public float getBrushSize() {
return mPaint.getStrokeWidth();
}
}
公共类DrawingPanel扩展视图实现到TouchListener{
私人帆布mCanvas；
专用路径mPath；
私人油漆mPaint、mBitmapPaint；
私有ArrayList路径=新ArrayList（）；
private ArrayList undonePaths=new ArrayList（）；
私有位图mBitmap；
私有整数x，y；
私人内特色；
公共绘图面板（上下文、属性集属性）{
超级（上下文，attrs）；
this.color=color.BLACK；
//设置聚焦（真）；
//setFocusableInTouchMode（真）；
this.setOnTouchListener（this）；
mBitmapPaint=新油漆（油漆抖动标志）；
mPaint=新油漆（）；
mPaint.setAntiAlias（true）；
mPaint.setDither（true）；
mPaint.setColor（颜色）；
mPaint.setStyle（油漆、样式、笔划）；
mPaint.setStrokeJoin（油漆.连接.圆形）；
mPaint.setStrokeCap（油漆盖圆形）；
mPaint.设定行程宽度（3）；
mPaint.setTextSize（30）；
mPath=新路径（）；
添加（新路径点（mPath，color，false））；
mCanvas=新画布（）；
}
公共空白颜色已更改（整型颜色）{
这个颜色=颜色；
mPaint.setColor（颜色）；
}
@凌驾
已更改尺寸的受保护空心（整数w、整数h、整数oldw、整数oldh）{
super.onSizeChanged（w，h，oldw，oldh）；
//mBitmap=AddReportItemActivity.mPhoto；
float xscale=（float）w/（float）mBitmap.getWidth（）；
float yscale=（float）h/（float）mBitmap.getHeight（）；
if（xscale>yscale）//确保两个尺寸都合适（使用
//（小规模）
xscale=yscale；
float newx=（float）w*xscale；
float newy=（float）h*xscale；//对两者使用相同的比例
//尺寸
//如果要将其居中显示（黑色边框）
mBitmap=Bitmap.createScaledBitmap（mBitmap，this.getWidth（），
此参数为.getHeight（），true）；
//mCanvas=新画布（mBitmap）；
}
@凌驾
受保护的void onDraw（画布）{
drawBitmap（mBitmap，0，0，mbitMapPoint）；
对于（路径点p:路径）{
setColor（p.getColor（））；
Log.v（“，”颜色代码：“+p.getColor（））；
if（p.isTextToDraw（））{
canvas.drawText（p.textToDraw、p.x、p.y、mPaint）；
}否则{
drawPath（p.getPath（），mPaint）；
}
}
}
私人浮动mX，我的；
专用静态最终浮动接触公差=0；
专用无效触摸启动（浮动x、浮动y）{
mPath.reset（）；
移动到（x，y）的速度；
mX=x；
mY=y；
}
私有无效触摸移动（浮动x、浮动y）{
float dx=Math.abs（x-mX）；
float dy=Math.abs（y-mY）；
如果（dx>=接触公差| | dy>=接触公差）{
兆帕四分之一秒（mX，mY，（x+mX）/2，（y+mY）/2）；
mX=x；
mY=y；
}
}
私人空间修补（）{
mPath.lineTo（mX，mY）；
//将路径提交到我们的屏幕外
mCanvas.drawPath（mPath，mPaint）；
//杀了它，这样我们就不会重复抽签了
mPath=新路径（）；
添加（新路径点（mPath，color，false））；
}
@凌驾
公共布尔onTouch（视图arg0，运动事件）{
float x=event.getX（）；
float y=event.getY（）；
开关（event.getAction（））{
case MotionEvent.ACTION\u DOWN：
触摸启动（x，y）；
使无效（）；
打破
case MotionEvent.ACTION\u移动：
触摸移动（x，y）；
使无效（）；
打破
case MotionEvent.ACTION\u UP：
润色；
使无效（）；
打破
}
返回true；
}
公共void onClickUndo（）{
if（path.size（）>0）{
undonePaths.add（path.remove（path.size（）-1））；
使无效（）；
}否则{
}
//向用户敬酒
}
public void onClickRedo（）{
如果（撤消路径大小（）>0）{
add（undonePaths.remove（undonePaths.size（）-1））；
使无效（）；
}否则{
}
}
类路径点{
专用路径；
//私人油漆；
私人内特色；
私有字符串textToDraw；
私有布尔isTextToDraw；
私有整数x，y；
公共路径点（路径路径、整型颜色、布尔isTextToDraw）{
this.path=path；
这个颜色=颜色；
this.isTextToDraw=isTextToDraw；
}
公共路径点（整型颜色、字符串textToDraw、布尔型isTextToDraw、，
整数x，整数y）{
这个颜色=颜色；
this.textToDraw=textToDraw；
this.isTextToDraw=isTextToDraw；
这个.x=x；
这个。y=y；
}
公共路径getPath（）{
返回路径；
}
公共无效设置路径（路径路径）{
this.path=path；
}
public int getColor（）{
返回颜色；
}
公共void setColor（int-color）{
这个颜色=颜色；
}
公共字符串getTextToDraw（）{
返回textToDraw；
}
公共void setTextToDraw（字符串textToDraw）{
this.textToDraw=textToDraw；
}
公共布尔值isTextToDraw（）{
返回isTextToDraw；
}
public void setTextToDraw（布尔值isTextToDraw）{
this.isTextToDraw=isTextToDraw；
}
公共int getX（）{
返回x；
}
公共无效集合x（整数x）{
这个.x=x；
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/signImageParent"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:orientation="vertical" >
<com.boenka.mk.DrawingPanel
android:id="@+id/signatureview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
<LinearLayout
android:gravity="center_vertical"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:layout_alignParentLeft="true"
android:id="@+id/control_panel"
android:layout_width="50dp"
android:background="#00AEEC"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:layout_gravity="center_horizontal"
android:id="@+id/colorPicker"
android:background="@drawable/color_picker"
android:layout_width="40dp"
android:layout_margin="5dp"
android:layout_height="40dp" />
<Button
android:layout_gravity="center_horizontal"
android:id="@+id/save_img"
android:layout_margin="5dp"
android:background="@drawable/save_as"
android:layout_width="40dp"
android:layout_height="40dp" />
<Button
android:layout_gravity="center_horizontal"
android:id="@+id/brush_size"
android:layout_margin="5dp"
android:background="@drawable/brush_size"
android:layout_width="40dp"
android:layout_height="40dp" />
<Button
android:layout_gravity="center_horizontal"
android:id="@+id/settings"
android:layout_margin="5dp"
android:background="@drawable/setting"
android:layout_width="40dp"
android:layout_height="40dp" />
<Button
android:layout_gravity="center_horizontal"
android:id="@+id/previous"
android:layout_margin="5dp"
android:background="@drawable/previous"
android:layout_width="40dp"
android:layout_height="40dp" />
</LinearLayout>
<ImageView
android:id="@+id/imageView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_toRightOf="@+id/control_panel" />
</RelativeLayout>
Caused by: android.view.InflateException: Binary XML file line #9:
Error inflating class com.boenka.mk.DrawPanel
....
....
Caused by: java.lang.ClassNotFoundException: com.boenka.mk.DrawPanel
<com.boenka.mk.DrawPanel
android:id="@+id/signatureview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />