学步园

package com.ray.test;</p> <p>import android.app.Activity;<br /> import android.app.AlertDialog;<br /> import android.content.ActivityNotFoundException;<br /> import android.content.Context;<br /> import android.content.DialogInterface;<br /> import android.content.Intent;<br /> import android.database.Cursor;<br /> import android.net.Uri;<br /> import android.os.Bundle;<br /> import android.os.Environment;<br /> import android.provider.MediaStore;<br /> import android.util.Log;<br /> import android.view.ContextThemeWrapper;<br /> import android.view.View;<br /> import android.view.View.OnClickListener;<br /> import android.widget.ArrayAdapter;<br /> import android.widget.Button;<br /> import android.widget.ImageView;<br /> import android.widget.ListAdapter;<br /> import android.widget.Toast;</p> <p>public class TestPhotoActivity extends Activity implements OnClickListener<br /> {</p> <p> private static final String TAG = "TestPhotoActivity";</p> <p> /* 用来标识请求照相功能的activity */<br /> private static final int CAMERA_WITH_DATA = 3023;</p> <p> /* 用来标识请求gallery的activity */<br /> private static final int PHOTO_PICKED_WITH_DATA = 3021;</p> <p> Button buttonOK;</p> <p> ImageView imageViewPhoto;</p> <p> /** Called when the activity is first created. */<br /> @Override<br /> public void onCreate(Bundle savedInstanceState)<br /> {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.main);<br /> buttonOK = (Button) findViewById(R.id.ButtonOK);</p> <p> imageViewPhoto = (ImageView) findViewById(R.id.imageViewPhoto);</p> <p> buttonOK.setOnClickListener(this);</p> <p> }</p> <p> @Override<br /> public void onClick(View v)<br /> {<br /> // TODO Auto-generated method stub<br /> switch (v.getId())<br /> {<br /> case R.id.ButtonOK:</p> <p> doPickPhotoAction();<br /> break;</p> <p> default:<br /> break;<br /> }</p> <p> }</p> <p> private void doPickPhotoAction()<br /> {<br /> Context context = TestPhotoActivity.this;</p> <p> // Wrap our context to inflate list items using correct theme<br /> final Context dialogContext = new ContextThemeWrapper(context,<br /> android.R.style.Theme_Light);<br /> String cancel = "返回";<br /> String[] choices;<br /> choices = new String[2];<br /> choices[0] = getString(R.string.take_photo); //拍照<br /> choices[1] = getString(R.string.pick_photo); //从相册中选择<br /> final ListAdapter adapter = new ArrayAdapter<String>(dialogContext,<br /> android.R.layout.simple_list_item_1, choices);</p> <p> final AlertDialog.Builder builder = new AlertDialog.Builder(<br /> dialogContext);<br /> builder.setTitle(R.string.attachToContact);<br /> builder.setSingleChoiceItems(adapter, -1,<br /> new DialogInterface.OnClickListener()<br /> {<br /> public void onClick(DialogInterface dialog, int which)<br /> {<br /> dialog.dismiss();<br /> switch (which)<br /> {<br /> case 0:<br /> {<br /> String status = Environment<br /> .getExternalStorageState();<br /> if (status.equals(Environment.MEDIA_MOUNTED))<br /> {//判断是否有SD卡<br /> doTakePhoto();// 用户点击了从照相机获取<br /> }<br /> else<br /> {<br /> Toast.makeText(TestPhotoActivity.this, "没有SD卡",<br /> Toast.LENGTH_LONG).show();<br /> }<br /> break;<br /> }<br /> case 1:<br /> doPickPhotoFromGallery();// 从相册中去获取<br /> break;<br /> }<br /> }<br /> });<br /> builder.setNegativeButton(cancel, new DialogInterface.OnClickListener()<br /> {</p> <p> @Override<br /> public void onClick(DialogInterface dialog, int which)<br /> {<br /> dialog.dismiss();<br /> }</p> <p> });<br /> builder.create().show();<br /> }</p> <p> /**<br /> * 拍照获取图片<br /> *<br /> */<br /> protected void doTakePhoto()<br /> {<br /> try<br /> {<br /> Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE, null);<br /> //直接使用，没有缩小<br /> startActivityForResult(intent, CAMERA_WITH_DATA);<br /> }<br /> catch (ActivityNotFoundException e)<br /> {<br /> Toast.makeText(this, R.string.photoPickerNotFoundText,<br /> Toast.LENGTH_LONG).show();<br /> }<br /> }</p> <p> // 请求Gallery程序<br /> protected void doPickPhotoFromGallery()<br /> {<br /> try<br /> {</p> <p> final Intent intent = getPhotoPickIntent();</p> <p> startActivityForResult(intent, PHOTO_PICKED_WITH_DATA);</p> <p> }<br /> catch (ActivityNotFoundException e)<br /> {<br /> Toast.makeText(this, R.string.photoPickerNotFoundText1,<br /> Toast.LENGTH_LONG).show();<br /> }<br /> }</p> <p> // // 封装请求Gallery的intent<br /> public static Intent getPhotoPickIntent()<br /> {<br /> Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);<br /> intent.setType("image/*");</p> <p> return intent;<br /> }</p> <p> // 因为调用了Camera和Gally所以要判断他们各自的返回情况,他们启动时是这样的startActivityForResult<br /> protected void onActivityResult(int requestCode, int resultCode, Intent data)<br /> {<br /> if (resultCode != RESULT_OK)<br /> return;<br /> switch (requestCode)<br /> {<br /> case PHOTO_PICKED_WITH_DATA:</p> <p> Uri uri = data.getData();</p> <p> String selectedImagePath = getPath(uri);</p> <p> Log.e(TAG, "1111111111" + selectedImagePath);<br /> //<br /> imageViewPhoto.setImageURI(uri);</p> <p> break;</p> <p> case CAMERA_WITH_DATA:</p> <p> Uri uri1 = data.getData();</p> <p> Log.e(TAG, uri1.toString());<br /> //<br /> String selectedImagePath1 = getPath(uri1);<br /> Log.e(TAG, "1111111111" + selectedImagePath1);<br /> imageViewPhoto.setImageURI(uri1);</p> <p> break;</p> <p> }<br /> }</p> <p> public String getPath(Uri uri)<br /> {<br /> String[] projection = {MediaStore.Images.Media.DATA };<br /> Cursor cursor = managedQuery(uri, projection, null, null, null);<br /> int column_index = cursor<br /> .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);<br /> cursor.moveToFirst();<br /> return cursor.getString(column_index);<br /> }<br /> }<br />