Question

public class uglyDetailActivity extends Activity {
public static final String TAG = "uglyDetailActivity";
TextView txtMsg;
ImageView ImageView1;
private String[] imgPath;
private String imagePath;

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.detail2);

    txtMsg = (TextView)findViewById(R.id.txtMsg);
    ImageView1 = (ImageView)findViewById(R.id.ImageView1); 

    Intent intent = getIntent();
    Bundle bundle = intent.getExtras();

    String NAME = bundle.getString("data0");
    String UGLYCODE = bundle.getString("data1");
    String JOB = bundle.getString("data2");
    String NEXT = bundle.getString("data3");

    Cursor cursor = uglyDatabaseHelper.queryUGLYDETAILSTable(UGLYCODE);

    HandleCursorData (cursor );


}


public void HandleCursorData ( Cursor outCursor ) {

    int recordCount = outCursor.getCount();
    println("cursor count : " + recordCount + "\n");


    int UGLYCODECol = outCursor.getColumnIndex("UGLYCODE");
    int CLASSCODECol = outCursor.getColumnIndex("CLASSCODE");
    int CLASSNAMECol = outCursor.getColumnIndex("CLASSNAME");
    **int PHOTOCol = outCursor.getColumnIndex("PHOTO");
    int ImageBase64Col = outCursor.getColumnIndex("ImageBase64");**
    int DETAILCol = outCursor.getColumnIndex("DETAIL");




    for (int i = 0; i < recordCount; i++) {
        outCursor.moveToNext();



        **BitmapDrawable drawable = (BitmapDrawable)ImageView1.getDrawable();

            Bitmap bitmap = drawable.getBitmap();


            ByteArrayOutputStream outStream = new ByteArrayOutputStream();

            bitmap.compress(CompressFormat.JPEG, 100, outStream); 

            byte[] image = outStream.toByteArray(); 

            String ImageBase64 = Base64.encodeToString(image, 0);

            String PHOTO = outCursor.getString(PHOTOCol);

            byte[] bytePlainOrg = Base64.decode(PHOTO, 0);       

            ByteArrayInputStream inStream = new ByteArrayInputStream(bytePlainOrg);

            Bitmap bm = BitmapFactory.decodeStream(inStream);

            ImageView1.setImageBitmap(bm);**



        String UGLYCODE = outCursor.getString(UGLYCODECol);
        String CLASSCODE = outCursor.getString(CLASSCODECol);
        String CLASSNAME = outCursor.getString(CLASSNAMECol);
        String DETAIL = outCursor.getString(DETAILCol);


        txtMsg.append("\n");
        txtMsg.append("[" + CLASSNAME + "]\n");
        txtMsg.append("\n");
        txtMsg.append(DETAIL + "\n\n");
        txtMsg.append("------------------------------------------------");
        txtMsg.append("\n");



    }


    outCursor.close();

}



public void println(String msg) {
    Log.d(TAG, msg);
}

}

这是错误日志：

06-01 01:32:57.198: I/dalvikvm-heap(1468): Grow heap (frag case) to 54.976MB for 9830416-byte allocation
06-01 01:32:57.368: D/dalvikvm(1468): GC_CONCURRENT freed 0K, 3% free 56200K/57415K, paused 13ms+17ms, total 167ms
06-01 01:32:57.458: D/uglyDetailActivity(1468): cursor count : 6
06-01 01:32:57.458: D/AndroidRuntime(1468): Shutting down VM
06-01 01:32:57.458: W/dalvikvm(1468): threadid=1: thread exiting with uncaught exception (group=0x2bc9a300)
06-01 01:32:57.458: E/AndroidRuntime(1468): FATAL EXCEPTION: main
06-01 01:32:57.458: E/AndroidRuntime(1468): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.aiden.excusemecomplete/org.aiden.excusemecomplete.uglyDetailActivity}: java.lang.NullPointerException
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread.access$600(ActivityThread.java:130)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.os.Handler.dispatchMessage(Handler.java:99)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.os.Looper.loop(Looper.java:137)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread.main(ActivityThread.java:4745)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at java.lang.reflect.Method.invokeNative(Native Method)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at java.lang.reflect.Method.invoke(Method.java:511)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at dalvik.system.NativeStart.main(Native Method)
06-01 01:32:57.458: E/AndroidRuntime(1468): Caused by: java.lang.NullPointerException
06-01 01:32:57.458: E/AndroidRuntime(1468):     at org.aiden.excusemecomplete.uglyDetailActivity.HandleCursorData(uglyDetailActivity.java:65)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at org.aiden.excusemecomplete.uglyDetailActivity.onCreate(uglyDetailActivity.java:44)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.Activity.performCreate(Activity.java:5008)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
06-01 01:32:57.458: E/AndroidRuntime(1468):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
06-01 01:32:57.458: E/AndroidRuntime(1468):     ... 11 more
06-01 01:32:58.848: I/Process(1468): Sending signal. PID: 1468 SIG: 9
06-01 01:32:59.409: E/Trace(1513): error opening trace file: No such file or directory (2)

在添加粗体部分之前，此代码正常工作。我尝试将imageview添加到此数据库，它无法正常工作......

你能告诉我这个代码有什么问题吗？

0 个答案: