Dear everyone: I am facing a problem; when I try to save the picture, the app will auto stop. but it does not happen everytime.
does anyone know why? Thank you so much. next is the sourcecode /** * Copyright (c) 2007, Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.cameraapitest; import java.io.File; import java.io.IOException; import java.io.OutputStream; import android.app.Activity; import android.content.ContentValues; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.net.Uri; import android.os.Environment; import android.os.Bundle; import android.provider.MediaStore; import android.provider.MediaStore.Images; import android.view.MenuItem; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.Window; import android.view.WindowManager; import android.widget.Toast; import android.hardware.Camera; import android.text.format.DateFormat; import android.util.Log; public class CameraApiTest extends Activity implements SurfaceHolder.Callback { private static final String TAG = "CameraApiTest"; Camera mCamera; boolean mPreviewRunning = false; public void onCreate(Bundle icicle) { super.onCreate(icicle); Log.e(TAG, "onCreate"); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams. FLAG_FULLSCREEN , WindowManager.LayoutParams. FLAG_FULLSCREEN); // getWindow().setFormat(PixelFormat.TRANSLUCENT); String status=Environment.getExternalStorageState(); if (status.equals(Environment.MEDIA_MOUNTED)){ setContentView(R.layout.camera_api_test); mSurfaceView = (SurfaceView)findViewById(R.id.surface); mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(this); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } else{ Toast.makeText(getApplicationContext(), "PLease insert an SD card before using the camera!", Toast.LENGTH_LONG).show(); } } public boolean onCreateOptionsMenu(android.view.Menu menu) { MenuItem item = menu.add(0, 0, 0, "goto gallery"); item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { Uri target = Uri.parse("content://media/external/ images/media"); Intent intent = new Intent(Intent.ACTION_VIEW, target); startActivity(intent); return true; } }); return true; } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() { public void onPictureTaken(byte[] data, Camera camera) { ContentValues values = new ContentValues(8); String newname = DateFormat.format("yyyy-MM-dd kk.mm.ss", System.currentTimeMillis()).toString(); values.put(MediaStore.Images.Media.TITLE, newname); values.put(MediaStore.Images.Media.DISPLAY_NAME, newname); values.put(MediaStore.Images.Media.DESCRIPTION, "test");// values.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis());// values.put(MediaStore.Images.Media.MIME_TYPE, "image/ jpeg");// values.put(MediaStore.Images.Media.ORIENTATION, 0);// final String CAMERA_IMAGE_BUCKET_NAME = "/sdcard/dcim/ camera"; final String CAMERA_IMAGE_BUCKET_ID = String.valueOf(CAMERA_IMAGE_BUCKET_NAME.hashCode()); File parentFile = new File(CAMERA_IMAGE_BUCKET_NAME); String name = parentFile.getName().toLowerCase(); values.put(Images.ImageColumns.BUCKET_ID, CAMERA_IMAGE_BUCKET_ID);//id values.put(Images.ImageColumns.BUCKET_DISPLAY_NAME, name); Uri uri = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); BitmapFactory.Options options=new BitmapFactory.Options(); options.inSampleSize = 2; int quality = 100; Bitmap myImage = BitmapFactory.decodeByteArray(data, 0,data.length,options); try { OutputStream outStream = getContentResolver().openOutputStream(uri); myImage.compress(Bitmap.CompressFormat.JPEG, quality, outStream); outStream.close(); myImage.recycle(); return ; } catch (Exception e) { Log.e(TAG, "exception while writing image", e); } } }; public boolean onTrackballEvent (MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { //return super.onKeyDown(keyCode, event); mCamera.takePicture(null, null, mPictureCallback); mCamera.stopPreview(); mPreviewRunning = false; mCamera.startPreview(); mPreviewRunning = true; return true; } return false; } protected void onResume() { Log.e(TAG, "onResume"); super.onResume(); } protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } protected void onStop() { Log.e(TAG, "onStop"); super.onStop(); } public void surfaceCreated(SurfaceHolder holder) { Log.e(TAG, "surfaceCreated"); mCamera = Camera.open(); //mCamera.startPreview(); } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { Log.e(TAG, "surfaceChanged"); // XXX stopPreview() will crash if preview is not running if (mPreviewRunning) { mCamera.stopPreview(); } Camera.Parameters p = mCamera.getParameters(); p.setPreviewSize(w, h); mCamera.setParameters(p); // mCamera.setPreviewDisplay(holder); try { mCamera.setPreviewDisplay(holder); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } mCamera.startPreview(); mPreviewRunning = true; } public void surfaceDestroyed(SurfaceHolder holder) { Log.e(TAG, "surfaceDestroyed"); mCamera.stopPreview(); mPreviewRunning = false; mCamera.release(); } private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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