android 系统拍照功能

package net.blogjava.mobile.camera; import java.io.File; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.ListView; public class Main extends Activity implements OnClickListener { public ImageView imageView; private ImageView ivFocus; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btnTakePicture = (Button) findViewById(R.id.btnTakePicture); btnTakePicture.setOnClickListener(this); imageView = (ImageView) findViewById(R.id.imageview); ivFocus = new ImageView(this); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 1) { if (resultCode == Activity.RESULT_OK) { Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data"); imageView.setImageBitmap(cameraBitmap); // 存成320*240和50*50 如果是垂直方向，需要对cameraBitmap旋转90度 MediaStore.Images.Media.insertImage(getContentResolver(), cameraBitmap, null, null); } } super.onActivityResult(requestCode, resultCode, data); } @Override public void onClick(View view) { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); //Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); // 不起作用 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File("/sdcard/test.jpg"))); startActivityForResult(intent, 1); } }