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我想從使用android.media.ExifInterface庫的地理標記圖像檢索經度和緯度值。但是,儘管圖像是地理標記的,getLatLong總是返回false。這是我的代碼:getLatLong總是返回false
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button galleryButton = (Button) findViewById(R.id.galleryButton);
galleryButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent pickPhoto = new Intent(Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(pickPhoto , 1);
}
});
}
protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent) {
super.onActivityResult(requestCode, resultCode, imageReturnedIntent);
switch(requestCode) {
case 0:
if(resultCode == RESULT_OK){
Uri selectedImage = imageReturnedIntent.getData();
ExifInterface exif = new ExInterface(selectedImage.getPath());
float[] latlong = null;
bool result = exif.getLatLong(latlong);
}
break;
}
}
正如你所看到的,我初始化EXIF對象從返回的URI路徑,它包含像「/外部/圖像/媒體/ 2330」的路徑。當我調用getLatLong時,它總是返回false。我也嘗試了this page的示例,但仍然無效。任何幫助,將不勝感激。
銀河S6邊緣 的Android SDK版本25
謝謝!它完美的工作! – user30646