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我正在使用TouchImageView https://github.com/MikeOrtiz/TouchImageView來顯示圖像地圖。在那張地圖上,我需要顯示一些點(ImageView)。我有2類:使用TouchImageView顯示GPS位置
public class TouchImageView extends ImageView
public class TouchImageViewActivity extends Activity
我如何跟蹤圖像的位置在TouchImageView,並返回到TouchImageViewActivity設置點位置?我應該添加監聽器還是其他想法,因爲我無法在TouchImageView類中設置新的imageView位置。
TouchImageViewActivity: (圓點現在是靜態的)
public class TouchImageViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_touch_image_view);
TouchImageView img = (TouchImageView) findViewById(R.id.img);
img.setImageResource(R.drawable.g_map2048);
img.setMaxZoom(6f);
ImageView imDot = (ImageView)findViewById(R.id.ImDot3);
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
lp.setMargins(150, 150, 0, 0);
imDot.setLayoutParams(lp);
}
}