[英]passing gallery image to another activity through intent
我需要通過使用該圖像的路徑將圖像從畫廊發送到另一個活動,但是什么也沒有發生……幫幫我……這是代碼。
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==RESULT_LOADIMAGE&&resultCode==RESULT_OK&&null!=data)
{
Uri selectedImages=data.getData();
String[] filePathColon={MediaStore.Images.Media.DATA};
Cursor cursr=getContentResolver().query(selectedImages, filePathColon, null, null, null);
cursr.moveToFirst();
int columnindex=cursr.getColumnIndex(filePathColon[0]);
String picturepath=cursr.getString(columnindex);
cursr.close();
Intent intent= new Intent(MainActivity.this,SecondActivity.class);
intent.putExtra("imagePath",filePathColon );
startActivity(intent);
}
}
第二個活動代碼是
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
img=(ImageView)findViewById(R.id.imageView1);
getData();
}
private void getData(){
String ps=getIntent().getStringExtra("imagepath");
img.setImageBitmap(BitmapFactory.decodeFile(ps));
}
intent.putExtra("imagePath",filePathColon );
應該
intent.putExtra("imagePath",picturepath);
因為filepathcolon指向列索引,而picturepath指向URI
並使用它
String ps=getIntent().getStringExtra("imagePath"); //it should be same as you send it
請這樣改變
Intent intent= new Intent(MainActivity.this,SecondActivity.class);
intent.putExtra("imagePath",picturepath);
startActivity(intent);
}
Intent中的兩個字符串不匹配:您在第一個Activity中用大寫P編寫了imagePath,但在第二個Activity中卻寫不了。
String ps=getIntent().getStringExtra("imagePath");
修復它
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