我有两个应用程序,我需要共享数据(文本和图像)从一个到另一个。一切正常,除非在更改文本后更改图像(我在输入文本后上传照片,或者在输入文本后重新上传图像),则我的图像不会在第二个应用程序中更新。我需要像TextWatcher这样的ImageView。有任何想法吗 ?Android:更新图像Uri的意图ShareActionProvider
这里是我第一次申请的重要部分:
Uri imageUri;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
@Override
public void afterTextChanged(Editable s) {
if (mShareActionProvider != null) {
mShareActionProvider.setShareIntent(setShareIntent());
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.layout_menu, menu);
MenuItem share = menu.findItem(R.id.menu_item_share);
mShareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(share);
mShareActionProvider.setShareIntent(setShareIntent());
invalidateOptionsMenu();
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
setMessageIntent();
return super.onOptionsItemSelected(item);
}
private Intent setShareIntent() {
String share = message.getText().toString();
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
if (imageUri != null) {
shareIntent.setType("image/png");
} else {
shareIntent.setType("text/plain");
}
shareIntent.putExtra(Intent.EXTRA_SUBJECT, "Here goes my sharing");
shareIntent.putExtra(Intent.EXTRA_TEXT, share);
return shareIntent;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
imageUri = data.getData();
String[] path = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(imageUri, path, null, null, null);
cursor.moveToFirst();
int index = cursor.getColumnIndex(path[0]);
String imgString = cursor.getString(index);
image.setImageURI(imageUri);
break;
}
}
这里是我的第二个应用程序,在这里我分享数据:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent receiver = getIntent();
String received_text = receiver.getStringExtra(receiver.EXTRA_TEXT);
Uri imageUri = (Uri) receiver.getParcelableExtra(Intent.EXTRA_STREAM);
if (imageUri != null) {
Bitmap bitmap = null;
try {
bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), imageUri);
} catch (IOException e) {
e.printStackTrace();
}
image.setImageBitmap(bitmap);
}
if (received_text != null) {
text.setText(received_text);
}
}
问题出在我的第一个应用程序中,导致imageUrl没有改变。它只在我更改文本时发生变化,导致我将意图设置为ShareActionProvider,并且也在OnCreateOptionMenu中。 – Astgh
在意图设置图像URI并设置onActivityResult时设置日志。 –