[英]passing gallery image to another activity through intent
我需要通过使用该图像的路径将图像从画廊发送到另一个活动,但是什么也没有发生……帮帮我……这是代码。
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);
}
}
第二个活动代码是
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 );
应该
intent.putExtra("imagePath",picturepath);
因为filepathcolon指向列索引,而picturepath指向URI
并使用它
String ps=getIntent().getStringExtra("imagePath"); //it should be same as you send it
请这样改变
Intent intent= new Intent(MainActivity.this,SecondActivity.class);
intent.putExtra("imagePath",picturepath);
startActivity(intent);
}
Intent中的两个字符串不匹配:您在第一个Activity中用大写P编写了imagePath,但在第二个Activity中却写不了。
String ps=getIntent().getStringExtra("imagePath");
修复它
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