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我希望把位图图像的ListView,将图象到listarray从资产文件夹
我用这个方法:
public Drawable getAssetImage(Context context, String filename) throws IOException {
AssetManager assets = getAssets();
InputStream buffer = new BufferedInputStream((assets.open("flags/" + filename + ".png")));
Bitmap bitmap = BitmapFactory.decodeStream(buffer);
return new BitmapDrawable(bitmap);
}
,然后,我投入的HashMap:
temp.put("Icon", getAssetImage(this, "Cyprus"));
我有我的资产/标志图标
这里我们有错误日志:
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): FATAL EXCEPTION: main
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): java.lang.NullPointerException
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.content.ContextWrapper.getResources(ContextWrapper.java:80)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.project.castroll.DataBaseHelper.getAssetImage(DataBaseHelper.java:111)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.project.castroll.DataBaseHelper.selectAll(DataBaseHelper.java:96)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.project.castroll.CastrollApp.showKwalifikacja(CastrollApp.java:282)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.project.castroll.CastrollApp$2.onClick(CastrollApp.java:255)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.view.View.performClick(View.java:2485)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.view.View$PerformClick.run(View.java:9080)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.os.Handler.handleCallback(Handler.java:587)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.os.Handler.dispatchMessage(Handler.java:92)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.os.Looper.loop(Looper.java:123)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at android.app.ActivityThread.main(ActivityThread.java:3683)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at java.lang.reflect.Method.invokeNative(Native Method)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at java.lang.reflect.Method.invoke(Method.java:507)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
06-13 12:39:12.236: ERROR/AndroidRuntime(10934): at dalvik.system.NativeStart.main(Native Method)
CZYmożeszMySimpleAdapter (简体中文)简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文简体中文如果你的应用程序没有使用setViewImage(android.widget.ImageView v,java.lang.String s){v.setImageDrawable() Drawable.createFromStream(getAssets()。open(“flags /”+ s +“.png”),null));}}奇数/偶数行的' – Selvin 2011-06-13 13:52:00