Android Development Call System Gallery and camera

In the development of Android often use the image upload function, commonly used is to call the Android system comes with the library and photo function. The sample code is as follows:

Java code:

public class Testactivity extends Activity {public final static int photo_zoom = 0;    Public final static int take_photo = 1;    Public final static int photo_result = 2;    public static final String image_unspecified = "image/*";    Private String imagedir;private ImageView avatar;        @Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);    Requestwindowfeature (Window.feature_no_title);        Setcontentview (R.layout.main);    Avatar = (ImageView) Findviewbyid (R.id.avatar);        This map library selection button LinearLayout upload = (linearlayout) Findviewbyid (R.id.local_select_button);                Upload.setonclicklistener (New Onclicklistener () {@Override public void OnClick (View v) {                Intent Intent = new Intent (intent.action_get_content);                Intent.settype (image_unspecified);                Intent wrapperintent=intent.createchooser (Intent, NULL); Startactivityforresult (WrapperinteNT, Photo_zoom);   }        });        Photo button LinearLayout takephoto= (linearlayout) Findviewbyid (R.id.take_photo_button);                Takephoto.setonclicklistener (New Onclicklistener () {@Override public void OnClick (View v) {                Imagedir = "Temp.jpg";                Intent intent=new Intent (mediastore.action_image_capture); Intent.putextra (Mediastore.extra_output, Uri.fromfile (New File (environment.getexternalstoragedirect                Ory (), imagedir));            Startactivityforresult (Intent, Take_photo); }        });}        Picture scaling public void Photozoom (Uri uri) {Intent Intent = new Intent ("Com.android.camera.action.CROP");        Intent.setdataandtype (URI, image_unspecified);        Intent.putextra ("Crop", "true");        Aspectx Aspecty is a proportional Intent.putextra ("Aspectx", 1) of the wide height;        Intent.putextra ("Aspecty", 1);        Outputx Outputy is a cropped picture with a wide height of Intent.putextra ("Outputx", 250);Intent.putextra ("Outputy", 250);        Intent.putextra ("Return-data", true);    Startactivityforresult (Intent, Photo_result);  } @Override protected void Onactivityresult (int requestcode, int resultcode, Intent data) {if (ResultCode = =            RESULT_OK) {if (Requestcode = = photo_zoom) {photozoom (Data.getdata ()); } if (Requestcode = = Take_photo) {file picture = new File (environment.getexternalstoragedirecto                RY () + "/" + Imagedir);            Photozoom (Uri.fromfile (picture));                } if (Requestcode = = photo_result) {Bundle extras = Data.getextras ();                    if (extras! = null) {Bitmap photo = extras.getparcelable ("Data");                    Bytearrayoutputstream stream = new Bytearrayoutputstream ();                    Photo.compress (Bitmap.CompressFormat.JPEG, (), stream);                Avatar.setimagebitmap (photo);          }  }} super.onactivityresult (Requestcode, ResultCode, data);}} 

Layout file:

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/ Android "Android:layout_width=" Fill_parent "android:layout_height=" fill_parent "android:background=" #fcf3ef "a        Ndroid:gravity= "Center_horizontal" android:orientation= "vertical" android:paddingtop= "30DP" > <imageview Android:id= "@+id/avatar" android:layout_width= "130DP" android:layout_height= "130DP" Android:back ground= "@drawable/avatar_frame"/> <linearlayout android:layout_width= "Fill_parent" Android:layout_ height= "Wrap_content" android:layout_margintop= "30DP" android:gravity= "Center_horizontal" > <Li Nearlayout android:id= "@+id/local_select_button" android:layout_width= "Wrap_content" Android            oid:layout_height= "wrap_content" android:gravity= "center" android:orientation= "vertical" >             <imageview   Android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" Android:backgrou nd= "@drawable/local"/> <textview android:layout_width= "Wrap_content" Andro                id:layout_height= "Wrap_content" android:layout_margintop= "10DP" android:text= "Local selection" Android:textcolor= "#000000" android:textsize= "20sp"/> </LinearLayout> <li Nearlayout android:id= "@+id/take_photo_button" android:layout_width= "Wrap_content" Androi            d:layout_height= "Wrap_content" android:layout_marginleft= "50DP" android:gravity= "center"                android:orientation= "vertical" > <imageview android:layout_width= "wrap_content" android:layout_height= "Wrap_content" android:background= "@drawable/take_photo"/> <te Xtview anDroid:layout_width= "Wrap_content" android:layout_height= "Wrap_content" Android:layout_margin top= "10DP" android:text= "photo" android:textcolor= "#000000" android:textsize= "20 SP "/> </LinearLayout></LinearLayout></LinearLayout>

　　

The layout file is as follows:

The local selections are as follows:

The camera is photographed as follows:

Image zoom:

Image upload results:

Android Development Call System Gallery and camera