androidn1

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:weightSum="1"
    tools:context="com.example.yz.yz.MainActivity">
    <ImageView
        android:id="@+id/iv_image"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:src="@drawable/xg"/>


</LinearLayout>








package com.example.yz.yz;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private ImageView iv_image;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        iv_image = (ImageView) findViewById(R.id.iv_image);
        iv_image.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this,"再点一次退出？",Toast.LENGTH_SHORT).show();
            }
        });
    }


    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (event.getAction() == MotionEvent.ACTION_DOWN) {
            float x = event.getX();
            float y = event.getY();
            iv_image.setPadding((int) x - 10, (int) y - 30, 20, 20);
            Toast.makeText(this, x + "  " + y, Toast.LENGTH_SHORT).show();
        }
        return super.onTouchEvent(event);
    }
}
 


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1">
   <TextView
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:textSize="50dp"
       android:singleLine="true"
       android:focusableInTouchMode="true"
       android:focusable="true"
       android:ellipsize="marquee"
       android:gravity="center"
       android:textColor="@android:color/holo_red_dark"
       android:text="Please choose a flower you like!"
       />
    <ImageView
        android:layout_gravity="center_horizontal"
        android:layout_width="225dp"
        android:layout_height="150dp"
        android:id="@+id/iv_iamge"
        android:layout_weight="0.27" />

<RadioGroup
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:layout_gravity="center"
    >

    <RadioButton
        android:id="@+id/rb_mh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="梅花    "
        android:textSize="20dp"
        android:textColorLink="@android:color/holo_red_dark" />

    <RadioButton
        android:id="@+id/rb_snh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="石楠花"
        android:textSize="20dp"
        android:textColorHint="@android:color/darker_gray" />
    <RadioButton
        android:id="@+id/rb_xyh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="象牙花"
        android:textSize="20dp"
        />
</RadioGroup>
    <RadioGroup
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_gravity="center"
  >

        <RadioButton
             android:id="@+id/rb_ylh"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textColor="@android:color/holo_red_dark"
             android:text="玉兰花"
             android:textSize="20dp"
            />
    <RadioButton
        android:id="@+id/rb_mdh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="牡丹花"
        android:textSize="20dp"
        />
        <RadioButton
            android:id="@+id/rb_xqh"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@android:color/holo_red_dark"
            android:text="绣球花"
            android:textSize="20dp"
            />
    </RadioGroup>

  </LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1">
   <TextView
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:textSize="50dp"
       android:singleLine="true"
       android:focusableInTouchMode="true"
       android:focusable="true"
       android:ellipsize="marquee"
       android:gravity="center"
       android:textColor="@android:color/holo_red_dark"
       android:text="Please choose a flower you like!"
       />
    <ImageView
        android:layout_gravity="center_horizontal"
        android:layout_width="225dp"
        android:layout_height="150dp"
        android:id="@+id/iv_iamge"
        android:layout_weight="0.27" />

<RadioGroup
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:layout_gravity="center"
    >

    <RadioButton
        android:id="@+id/rb_mh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="梅花    "
        android:textSize="20dp"
        android:textColorLink="@android:color/holo_red_dark" />

    <RadioButton
        android:id="@+id/rb_snh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="石楠花"
        android:textSize="20dp"
        android:textColorHint="@android:color/darker_gray" />
    <RadioButton
        android:id="@+id/rb_xyh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="象牙花"
        android:textSize="20dp"
        />
</RadioGroup>
    <RadioGroup
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_gravity="center"
  >

        <RadioButton
             android:id="@+id/rb_ylh"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:textColor="@android:color/holo_red_dark"
             android:text="玉兰花"
             android:textSize="20dp"
            />
    <RadioButton
        android:id="@+id/rb_mdh"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_red_dark"
        android:text="牡丹花"
        android:textSize="20dp"
        />
        <RadioButton
            android:id="@+id/rb_xqh"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@android:color/holo_red_dark"
            android:text="绣球花"
            android:textSize="20dp"
            />
    </RadioGroup>

  </LinearLayout>

 

package com.example.yz.myhome;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;

public class MainActivity extends AppCompatActivity {
     private ImageView  iv_iamge;
     private RadioButton rb_mh;
     private RadioButton  rb_snh;
     private RadioButton rb_xyh;
     private RadioButton rb_xqh;
     private RadioButton rb_mdh;
    private RadioButton rb_ylh;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        iv_iamge=(ImageView) findViewById(R.id. iv_iamge);
        rb_mh=(RadioButton) findViewById(R.id.rb_mh);
        rb_snh=(RadioButton) findViewById(R.id.rb_snh);
        rb_xyh=(RadioButton) findViewById(R.id.rb_xyh);
        rb_xqh=(RadioButton) findViewById(R.id.rb_xqh);
        rb_mdh=(RadioButton) findViewById(R.id.rb_mdh);
        rb_ylh=(RadioButton)findViewById(R.id.rb_ylh) ;
        rb_mh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v){
                group2();
                iv_iamge.setImageResource(R.drawable.c);

            }
        });
        rb_snh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                group2();
                iv_iamge.setImageResource(R.drawable.c);

            }
        });
       rb_xqh.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               group1();
               iv_iamge.setImageResource(R.drawable.d);
           }
       });
        rb_mdh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                group1();
              iv_iamge.setImageResource(R.drawable.d);
            }
        });
        rb_xyh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                group2();
                iv_iamge.setImageResource(R.drawable.f);

            }
        });
        rb_ylh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                group1();
                iv_iamge.setImageResource(R.drawable.a);
            }
        });
    }
    void group1(){
        rb_mh.setChecked(false);
        rb_xyh.setChecked(false);
        rb_snh.setChecked(false);

    }
    void group2(){
        rb_ylh.setChecked(false);
        rb_xqh.setChecked(false);
        rb_mdh.setChecked(false);
    }