Eine von SurfaceView abgeleitete Java-View stürzt in einem ViewPager ab

1package de.test.check;
2
3import java.util.ArrayList;
4import java.util.List;
5import java.util.Locale;
6
7import android.annotation.TargetApi;
8import android.app.Activity;
9import android.os.Bundle;
10import android.speech.tts.TextToSpeech;
11import android.support.v4.view.ViewPager;
12import android.text.Html;
13import android.view.LayoutInflater;
14import android.view.Menu;
15import android.view.SurfaceView;
16import android.view.View;
17import android.widget.ImageView;
18import android.widget.TextView;
19
20
21public class Check extends Activity implements TextToSpeech.OnInitListener{
22
23 public static Locale loc;
24 public static String sloganString;
25 public static int counter = 0;
26 public static TextToSpeech tts;
27 public static Graphic graphicView;
28
29 @TargetApi(14)
30 @Override
31 public void onCreate(Bundle savedInstanceState) {
32 super.onCreate(savedInstanceState);
33
34 Config.context = this;
35
36 loc = Locale.getDefault();
37
38 // Initialize Text To speech
39 tts = new TextToSpeech(Config.context, Config.context);
40
41 sloganString = Config.context.getResources().getString(R.string.start_slogan);
42
43 Graphic view = new Graphic(Config.context);
44
45 List<View> viewPages = new ArrayList<View>();
46 ViewPager viewPager = new ViewPager(Config.context);
47 setContentView(view);
48
49 LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
50
51 View viewPage = inflater.inflate(R.layout.page_1, null);
52
53 TextView preambleView = (TextView) viewPage.findViewById(R.id.page1_view);
54 CharSequence styledText = Html.fromHtml(getResources().getString(R.string.preamble));
55 preambleView.setText(styledText);
56 viewPages.add(viewPage);
57
58 viewPage = inflater.inflate(R.layout.page_2, null);
59
60 graphicView = (Graphic) viewPage.findViewById(R.id.page2_view);
61 viewPages.add(viewPage);
62
63 viewPage = inflater.inflate(R.layout.page_3, null);
64
65 ImageView legendView = (ImageView) viewPage.findViewById(R.id.page3_view);
66 viewPages.add(viewPage);
67
68 PageAdapter pageAdapter = new PageAdapter(viewPages);
69 viewPager.setAdapter(pageAdapter);
70 viewPager.setCurrentItem(1);
71
72 //DoIt.all();
73
74 //UpdateNow.update.sendEmptyMessage(0); /// Starten
75 }
76
77 @Override
78 public boolean onCreateOptionsMenu(Menu menu) {
79 getMenuInflater().inflate(R.menu.menu, menu);
80 return true;
81 }
82
83 @Override
84 public void onInit(int success) {
85 if(success == TextToSpeech.SUCCESS){
86 if(tts.isLanguageAvailable(loc) >= TextToSpeech.LANG_AVAILABLE){
87 tts.setLanguage(loc);
88 SpeakIt.now(Check.sloganString);
89 }
90 }
91 else{
92 tts.shutdown();
93 tts = null;
94 }
95 }
96
97 @Override
98 protected void onDestroy() {
99 super.onDestroy();
100 if (tts != null) {
101 tts.stop();
102 tts.shutdown();
103 tts = null;
104 }
105 }
106}

1package de.test.check;
2
3import java.util.List;
4
5import android.os.Parcelable;
6import android.support.v4.view.ViewPager;
7import android.support.v4.view.PagerAdapter;
8import android.view.View;
9
10public class PageAdapter extends PagerAdapter{
11
12 List<View> pages = null;
13
14 public PageAdapter(List<View> pages){
15 this.pages = pages;
16 }
17
18 @Override
19 public Object instantiateItem(View collection, int position){
20 View v = pages.get(position);
21 ((ViewPager) collection).addView(v, 0);
22 return v;
23 }
24
25 @Override
26 public void destroyItem(View collection, int position, Object view){
27 ((ViewPager) collection).removeView((View) view);
28 }
29
30 @Override
31 public int getCount(){
32 return pages.size();
33 }
34
35 @Override
36 public boolean isViewFromObject(View view, Object object){
37 return view.equals(object);
38 }
39
40 @Override
41 public void finishUpdate(View arg0){
42 }
43
44 @Override
45 public void restoreState(Parcelable arg0, ClassLoader arg1){
46 }
47
48 @Override
49 public Parcelable saveState(){
50 return null;
51 }
52
53 @Override
54 public void startUpdate(View arg0){
55 }
56}

1package de.test.check;
2
3import android.content.Context;
4import android.graphics.Canvas;
5import android.graphics.Color;
6import android.graphics.Paint;
7import android.view.SurfaceHolder;
8import android.view.SurfaceHolder.Callback;
9import android.view.SurfaceView;
10
11public class Graphic extends SurfaceView implements Callback {
12
13 public static SurfaceView graphicsView;
14 private SurfaceHolder holder;
15 private Canvas canvas;
16 private Paint paint;
17 private Thread th;
18 private boolean isRunning = false;
19
20 public static void putGraphic(){
21 }
22
23 public Graphic(Context context) {
24 super(context);
25 init();
26 }
27
28 public void init(){
29
30 holder = this.getHolder();
31 holder.addCallback(this);
32
33 paint = new Paint();
34 paint.setColor(Color.RED);
35 paint.setStyle(Paint.Style.STROKE);
36
37 //Thread zum Zeichnen
38 new Thread(new Runnable() {
39 public void run(){
40 while(isRunning)
41 {
42 draw(canvas);
43 try{
44 Thread.sleep(50);
45 } catch (InterruptedException e){}
46 }
47 }
48 }).start();
49
50 isRunning = true;
51 }
52
53 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
54 }
55
56 public void surfaceCreated(SurfaceHolder holder) {
57 }
58
59 public void surfaceDestroyed(SurfaceHolder holder) {
60 }
61
62 public void draw(Canvas c) {
63 c = holder.lockCanvas();
64 if(c != null) {
65
66 c.drawColor(Color.LTGRAY);
67 c.drawCircle(400, 450, 350, paint);
68
69 holder.unlockCanvasAndPost(c);
70 }
71 }
72}

1<?xml version="1.0" encoding="utf-8"?>
2<RelativeLayout
3 xmlns:android="... Link darf hier nicht"/schemas.android.com/apk/res/android"
4 android:layout_width="match_parent"
5 android:layout_height="match_parent"
6 android:background="#ddd"
7 android:orientation="vertical"
8 android:padding="@dimen/padding_layout">
9
10 <de.astropartie.check.Graphic << Fehler !
11 android:id="@+id/page2view"
12 android:layout_width="fill_parent"
13 android:layout_height="wrap_content"
14 android:layout_above="@+id/textView1"
15 android:layout_alignParentTop="true"
16 android:background="#888"/>
17
18 <TextView
19 android:id="@+id/textView1"
20 android:layout_width="match_parent"
21 android:layout_height="wrap_content"
22 android:layout_alignParentBottom="true"
23 android:layout_alignParentLeft="true"
24 android:layout_alignParentRight="true"/>
25
26 <Button
27 android:id="@+id/button4"
28 android:layout_width="wrap_content"
29 android:layout_height="wrap_content"
30 android:layout_alignParentBottom="true"
31 android:layout_alignRight="@+id/textView1"
32 android:layout_below="@+id/page2_view"
33 android:background="#ddd"
34 android:text="@string/button_next"
35 android:textColor="@color/col_back_view_1"
36 android:textSize="@dimen/preamble_text_size"/>
37
38 <Button
39 android:id="@+id/button3"
40 android:layout_width="wrap_content"
41 android:layout_height="wrap_content"
42 android:layout_alignLeft="@+id/textView1"
43 android:layout_alignTop="@+id/textView1"
44 android:background="#ddd"
45 android:text="@string/button_back"
46 android:textColor="@color/col_back_view_1"
47 android:textSize="@dimen/preamble_text_size"/>
48
49</RelativeLayout>

111-02 12:10:19.196: I/TextToSpeech(22877): Sucessfully bound to com.google.android.tts
2
311-02 12:10:19.346: D/AndroidRuntime(22877): Shutting down VM
4
511-02 12:10:19.346: W/dalvikvm(22877): threadid=1: thread exiting with uncaught exception (group=0x40c9b300)
6
711-02 12:10:19.396: E/AndroidRuntime(22877): FATAL EXCEPTION: main
8
911-02 12:10:19.396: E/AndroidRuntime(22877): java.lang.RuntimeException: Unable to start activity
10 ComponentInfo{de.test.check/de.test.check.Check}: android.view.InflateException:
11 Binary XML file line #10: Error inflating class de.test.check.Graphic