【Android】Open Gallary By App

startActivity:

   1: Button btn = (Button)rootView.findViewById(R.id.button1);

   2: btn.setOnClickListener(new OnClickListener(){

   3:  

   4:     @Override

   5:     public void onClick(View v) {

   6:         Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI);

   7:         final int ACTIVITY_SELECT_IMAGE = 1234;

   8:         startActivityForResult(i, ACTIVITY_SELECT_IMAGE); 

   9:     }

  10: });

  11:  

  12: Button btn2 = (Button)rootView.findViewById(R.id.button2);

  13: btn2.setOnClickListener(new OnClickListener(){

  14:  

  15:     @Override

  16:     public void onClick(View v) {

  17:         Intent intent = new Intent();

  18:         intent.setType("image/*");

  19:         intent.setAction(Intent.ACTION_GET_CONTENT);//

  20:         startActivityForResult(Intent.createChooser(intent, "Select Picture"),10);

  21:         

  22:     }

  23:     

  24: });

onActivityResult:

   1: @Override

   2: public void onActivityResult(int requestCode, int resultCode,

   3:         Intent data) {

   4:     Log.i(TAG, "request code:"+resultCode);

   5:     super.onActivityResult(requestCode, resultCode, data);

   6:      Uri selectedImage = null;

   7:     switch(requestCode) { 

   8:     case 1234:

   9:         if(resultCode == RESULT_OK){  

  10:             selectedImage = data.getData();

  11:             Log.i(TAG, "Uri:"+selectedImage);

  12:             

  13:             /* Now you have choosen image in Bitmap format in object "yourSelectedImage". You can use it in way you want! */

  14:         }

  15:     case 10:

  16:          if(resultCode == RESULT_OK){  

  17:                 selectedImage = data.getData();

  18:                 Log.i(TAG, "Uri:"+selectedImage);

  19:          }

  20:         break;

  21:     }

  22:     

  23:     String[] filePathColumn = {MediaStore.Images.Media.DATA};

  24:  

  25:     Cursor cursor = this.getActivity().getContentResolver().query(selectedImage, filePathColumn, null, null, null);

  26:     cursor.moveToFirst();

  27:  

  28:     int columnIndex = cursor.getColumnIndex(filePathColumn[0]);

  29:     String filePath = cursor.getString(columnIndex);

  30:     cursor.close();

  31:  

  32:  

  33:     Bitmap yourSelectedImage = BitmapFactory.decodeFile(filePath);

  34:     

  35:     this.imageView.setImageBitmap(yourSelectedImage);

  36: }