获取组件坐标系

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >



    <Button

        android:id="@+id/button"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="button" />



    <TextView

        android:id="@+id/l"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="text"

        android:layout_gravity="center" />



</LinearLayout>

java代码：

package com.example.test1;



import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TextView;



public class MainActivity extends Activity {

    /** Called when the activity is first created. */

    private TextView t = null;

    private Button button = null;

    int x;

    int y;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        t = (TextView)findViewById(R.id.l);

        button = (Button)findViewById(R.id.button);

        button.setOnClickListener(new buttonListener());

    }   

    //获取组件t的坐标

    public class buttonListener implements OnClickListener{



        public void onClick(View v)

        {

            int[] location = new int[2]; t.getLocationOnScreen(location); x = location[0]; y = location[1]; System.out.println("x:"+x+"y:"+y);

            System.out.println("图片各个角Left："+t.getLeft()+"Right："+t.getRight()+"Top："+t.getTop()+"Bottom："+t.getBottom());

        }

    }

}