补5-22博客 获取点击坐标并将控件移动到点击位置

package doge.healthcare.activity;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.Toast;

import doge.healthcare.R;
import doge.healthcare.base.BaseActivity;

/**
* Created by doge on 2017/5/22.
*/

public class Measure extends BaseActivity {

private RelativeLayout rl_map;
private ImageView iv_location;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second_measure);
rl_map= (RelativeLayout) findViewById(R.id.rl_map);
iv_location=(ImageView)findViewById(R.id.iv_location);

//添加触摸事件
rl_map.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View arg0, MotionEvent arg1) {

//获取点击位置的坐标
int x = (int) arg1.getX();
int y = (int) arg1.getY();
Toast.makeText(getApplicationContext(),"横坐标"+x+"纵坐标"+y,Toast.LENGTH_SHORT).show();

//设定imageview的位置到点击处
ViewGroup.MarginLayoutParams margin=new ViewGroup.MarginLayoutParams(iv_location.getLayoutParams());
margin.setMargins(x,y, x+margin.width, y+margin.height);
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(margin);
iv_location.setLayoutParams(layoutParams);
return false;
}
});
}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<include
layout="@layout/title"
></include>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/rl_map"
android:clickable="true">

<ImageView
android:id="@+id/iv_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/icon_xihuan_dianji"/>

</RelativeLayout>

</LinearLayout>