20170118 ImageButton和ImageView運用

Android 練習的成果，以下是程式碼！
這也許可以和鬧鐘結合...
這裡也有個關鍵元素,"隨機
  (骰子*6 猜拳*3 以此類推 樂透*56)
int iComPlay = (int)(Math.random()*3 + 1);"

// ImageButton和ImageView運用(猜拳遊戲)
//20170118 劉彥廷


MainActivity .java
package com.example.user.myapplication34;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.view.View;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private TextView mTxtResult;
    private ImageView mImgViewComPlay;
    private ImageButton mImgBtnScissors, mImgBtnStone, mImgBtnPaper;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mImgViewComPlay = (ImageView)findViewById(R.id.imgViewComPlay);
        mTxtResult = (TextView)findViewById(R.id.txtResult);
        mImgBtnScissors = (ImageButton)findViewById(R.id.imgBtnScissors);
        mImgBtnStone = (ImageButton)findViewById(R.id.imgBtnStone);
        mImgBtnPaper = (ImageButton)findViewById(R.id.imgBtnPaper);

        mImgBtnScissors.setOnClickListener(imgBtnScissorsOnClick);
        mImgBtnStone.setOnClickListener(imgBtnStoneOnClick);
        mImgBtnPaper.setOnClickListener(imgBtnPaperOnClick);


    }



    private View.OnClickListener imgBtnScissorsOnClick = new View.OnClickListener(){
        public void onClick(View v){
            int iComPlay = (int)(Math.random()*3 + 1);

            // 1 – 剪刀, 2 – 石頭, 3 – 布.
            if (iComPlay == 1) {
                mImgViewComPlay.setImageResource(R.drawable.scissors); //出剪刀
                mTxtResult.setText(getString(R.string.player_lose));
            }
            else if (iComPlay == 2) {
                mImgViewComPlay.setImageResource(R.drawable.stone);
                mTxtResult.setText(getString(R.string.player_lose));

            }
            else {
                mImgViewComPlay.setImageResource(R.drawable.paper);
                mTxtResult.setText(getString(R.string.player_win));

            }
        }
    };

    private View.OnClickListener imgBtnStoneOnClick = new View.OnClickListener() {
        public void onClick(View v) {
            // 決定電腦出拳.
            int iComPlay = (int)(Math.random()*3 + 1);

            // 1 – 剪刀, 2 – 石頭, 3 – 布.
            if (iComPlay == 1) {
                mImgViewComPlay.setImageResource(R.drawable.scissors);
                mTxtResult.setText( getString(R.string.player_win));

            }
            else if (iComPlay == 2) {
                mImgViewComPlay.setImageResource(R.drawable.stone);
                mTxtResult.setText( getString(R.string.player_draw));

            }
            else {
                mImgViewComPlay.setImageResource(R.drawable.paper);
                mTxtResult.setText( getString(R.string.player_lose));

            }
        }
    };

    private View.OnClickListener imgBtnPaperOnClick = new View.OnClickListener() {
        public void onClick(View v) {
            // 決定電腦出拳.
            int iComPlay = (int)(Math.random()*3 + 1);

            // 1 – 剪刀, 2 – 石頭, 3 – 布.
            if (iComPlay == 1) {
                mImgViewComPlay.setImageResource(R.drawable.scissors);
                mTxtResult.setText(getString(R.string.player_lose));

            }
            else if (iComPlay == 2) {
                mImgViewComPlay.setImageResource(R.drawable.stone);
                mTxtResult.setText( getString(R.string.player_win));

            }
            else {
                mImgViewComPlay.setImageResource(R.drawable.paper);
                mTxtResult.setText(getString(R.string.player_draw));

            }
        }
    };
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="400dp"
    android:layout_height="match_parent"
    tools:context="com.example.user.myapplication34.MainActivity"
    android:background="@android:color/darker_gray">


    <TextView android:id="@+id/txtCom"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/prompt_com_play"
        android:layout_below="@id/txtTitle"
        android:layout_alignLeft="@id/txtTitle"
        android:textSize="20sp"
        android:layout_marginBottom="20dp" />

    <TextView android:id="@+id/txtMyPlay"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/prompt_my_play"
        android:layout_below="@id/txtTitle"
        android:layout_alignRight="@id/txtTitle"
        android:textSize="20sp"
        android:layout_marginBottom="20dp" />

    <ImageButton android:id="@+id/imgBtnScissors"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/scissors"
        android:layout_below="@id/txtMyPlay"
        android:layout_alignLeft="@id/txtMyPlay"
        android:paddingLeft="15dp"
        android:paddingRight="15dp"
        app:srcCompat="@drawable/scissors" />

    <ImageView android:id="@+id/imgViewComPlay"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/imgBtnScissors"
        android:layout_alignLeft="@id/txtCom" />

    <ImageButton android:id="@+id/imgBtnStone"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/stone"
        android:layout_below="@id/imgBtnScissors"
        android:layout_alignLeft="@id/imgBtnScissors"
        android:paddingLeft="15dp"
        android:paddingRight="15dp"
        app:srcCompat="@drawable/stone" />

    <ImageButton android:id="@+id/imgBtnPaper"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/paper"
        android:layout_below="@id/imgBtnStone"
        android:layout_alignLeft="@id/imgBtnStone"
        android:paddingLeft="15dp"
        android:paddingRight="15dp"
        app:srcCompat="@drawable/stone" />

    <TextView android:id="@+id/txtResult"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/result"
        android:textSize="20sp"
        android:textColor="#0000FF"
        android:layout_marginTop="20dp"
        android:layout_below="@+id/imgBtnPaper"
        android:layout_toRightOf="@+id/imgViewComPlay"
        android:layout_toEndOf="@+id/imgViewComPlay" />

    <TextView android:id="@+id/txtTitle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/prompt_title"
        android:textSize="40sp"
        android:textColor="@color/colorPrimaryDark"
        android:textStyle="bold"
        android:paddingLeft="20dp"
        android:paddingRight="20dp"
        android:layout_marginTop="20dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />

</RelativeLayout>


strings.xml


<resources>
    <string name="app_name">電腦猜拳遊戲(No34)</string>
    <string name="action_settings">Settings</string>
    <string name="prompt_com_play">電腦出拳：</string>
    <string name="prompt_my_play">玩家出拳：</string>
    <string name="play_scissors">剪刀</string>
    <string name="play_stone">石頭</string>
    <string name="play_paper">布</string>
    <string name="player_win">恭喜，你贏了！</string>
    <string name="player_lose">很可惜，你輸了！</string>
    <string name="player_draw">雙方平手！</string>
    <string name="prompt_title">和電腦猜拳</string>
    <string name="result">判定輸贏：</string>

</resources>