我读到DialogFragment ,并像这样合一。
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
public class MyDialogFragment extends DialogFragment {
public static MyDialogFragment newInstance(int title) {
MyDialogFragment frag = new MyDialogFragment();
Bundle args = new Bundle();
args.putInt("title", title);
frag.setArguments(args);
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
int title = getArguments().getInt("title");
return new AlertDialog.Builder(getActivity())
.setIcon(R.drawable.plus_icon)
.setTitle(title)
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
AddExerciseFragment.doPositiveClick();
}
}
)
.setNegativeButton("NO",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
AddExerciseFragment.doNegativeClick();
}
}
)
.create();
}
}
在我接下来制作的另一个 SherlockFragment 中:
public void doPositiveClick() {
}
public void doNegativeClick() {
}
void showDialog() {
DialogFragment newFragment = MyDialogFragment.newInstance(
R.string.name);
newFragment.show(getFragmentManager(), "dialog");
}
但是 doPositiveClick()、doNegativeClick() 方法想要是静态的 - 这对我来说不好。
public void doPositiveClick() {
DialogFlag = 0;
Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, GALLERY_REQUEST);
// dialog.cancel();
}
@Override
public void onActivityResult(int requestCode, int resultCode,
Intent imageReturnedIntent) {
super.onActivityResult(requestCode, resultCode, imageReturnedIntent);
String path = null;
if (DialogFlag == 0) {
switch (requestCode) {
case GALLERY_REQUEST:
if (resultCode == RESULT_OK) {
Uri selectedImage = imageReturnedIntent.getData();
path = getRealPathFromURI(selectedImage);
Log.d("myLogs", path);
if (btnID == 1) {
pathOne = path;
Bitmap bmImg = BitmapFactory.decodeFile(pathOne);
ivOne.setImageBitmap(bmImg);
one = bmImg;
} else {
pathTwo = path;
Bitmap bmImg = BitmapFactory.decodeFile(pathTwo);
ivTwo.setImageBitmap(bmImg);
two = bmImg;
}
}
}
}
if (DialogFlag == 1) {
Uri uri;
if (requestCode == CAMERA_RESULT) {
Cursor cursor = getActivity().getContentResolver().query(
Media.EXTERNAL_CONTENT_URI,
new String[] { Media.DATA, Media.DATE_ADDED,
MediaStore.Images.ImageColumns.ORIENTATION },
Media.DATE_ADDED, null, "date_added ASC");
if (cursor != null && cursor.moveToFirst()) {
do {
uri = Uri.parse(cursor.getString(cursor
.getColumnIndex(Media.DATA)));
path = uri.toString();
} while (cursor.moveToNext());
cursor.close();
}
Log.d("myLogs", path);
if (btnID == 1) {
pathOne = path;
Bitmap bmImg = BitmapFactory.decodeFile(pathOne);
ivOne.setImageBitmap(bmImg);
one = bmImg;
} else {
pathTwo = path;
Bitmap bmImg = BitmapFactory.decodeFile(pathTwo);
ivTwo.setImageBitmap(bmImg);
two = bmImg;
}
}
}
}
最佳答案
在您的 Fragment 类中
声明以下内容
public static final int DIALOG_FRAGMENT = 1;
public static final int RESULT_OK = 101;
然后
DialogFragment newFragment = MyDialogFragment.newInstance(
R.string.name);
newFragment.setTargetFragment(SherLockFragmentName.this, DIALOG_FRAGMENT);
newFragment.show(getFragmentManager(), "dialog");
然后在对话框 fragment 中
.setPositiveButton("OK",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
Intent i =getActivity().getIntent();
i.putExtra("key", true);
getTargetFragment().onActivityResult(getTargetRequestCode(), 101, i);
}
}
)
.setNegativeButton("NO",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
//AddExerciseFragment.doNegativeClick();
Intent i =getActivity().getIntent();
i.putExtra("key", false);
getTargetFragment().onActivityResult(getTargetRequestCode(), 101, i);
}
}
)
然后重写Fragment类中的onActivityResul
t
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch(requestCode) {
case DIALOG_FRAGMENT:
if (resultCode == RESULT_OK) {
boolean check = data.getBooleanExtra("key", true);
if(check)
{
dopositiveClick();
}
else
{
donegativeClick();
}
}
break;
}
}
关于android - Fragments,如何从fragment启动Dialog?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17966605/