按鈕被點擊一次後被禁用。我想重複使用

在我的程序的一部分在xml文件「activity_exam_class_1」中有一個名爲「imageButton_sound」的按鈕。我想播放聲音點擊此按鈕。首先當我點擊它，它播放聲音，但從第二次不起作用。按鈕被點擊一次後被禁用。我想重複使用

我在「Exam_class_1.java」文件中初始化這個xml文件。

我的程序的順序是 - 首先我會按下「imageButton_sound」，然後按相同文件的任何其他按鈕，如「imageButton_a」，「imageButton_b」「imageButton_c」...........等等然後，在完成某些條件後，程序將轉到「success_exam.xml」或「fail_exam.xml」文件，這兩個文件都包含一個按鈕。按下按鈕後，它將返回到「activity_exam_class_1」，然後我會再次按下「imageButton_sound」，過程將繼續。這裏是我的代碼： Exam_class_1.java：

package com.example.alphabet_school; 

import android.media.MediaPlayer; 
import android.os.Bundle; 
import android.app.Activity; 
import android.view.Menu; 
import android.view.View; 
import android.widget.ImageButton; 

public class Exam_class_1 extends Activity implements View.OnClickListener{ 

ImageButton im_a,im_b,im_c,im_d,im_e,im_f; 
ImageButton im_success,im_fail; 
ImageButton sound; 
MediaPlayer joy_sound,wrong_sound,letter_sound; 
int exam_sound,success=0,fail=0; 
//int[] keepSound={R.raw.a,R.raw.b,R.raw.c,R.raw.d,R.raw.e,R.raw.f}; 
int ks=0; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_exam_class_1); 

    sound=(ImageButton) findViewById(R.id.imageButton_sound); 



    im_a=(ImageButton) findViewById(R.id.imageButton_a); 
    im_b=(ImageButton) findViewById(R.id.imageButton_b); 
    im_c=(ImageButton) findViewById(R.id.imageButton_c); 
    im_d=(ImageButton) findViewById(R.id.imageButton_d); 
    im_e=(ImageButton) findViewById(R.id.imageButton_e); 
    im_f=(ImageButton) findViewById(R.id.imageButton_f); 
    for(int i=0;i<6;i++){ 
    sound.setOnClickListener(this); 
    im_a.setOnClickListener(this); 
    im_b.setOnClickListener(this); 
    im_c.setOnClickListener(this); 
    im_d.setOnClickListener(this); 
    im_e.setOnClickListener(this); 
    im_f.setOnClickListener(this); 
    } 

//  setContentView(R.layout.success_exam1); 
//  
//  im_success = (ImageButton) findViewById(R.id.im_button_success); 
//  im_success.setOnClickListener(this); 
//  
//  
//  setContentView(R.layout.fail_exam1); 
//  im_fail=(ImageButton) findViewById(R.id.im_button_fail); 
//  im_fail.setOnClickListener(this); 


} 



@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
    // Inflate the menu; this adds items to the action bar if it is present. 
    getMenuInflater().inflate(R.menu.exam_class_1, menu); 
    return true; 
} 

public void onClick(View v) { 
    // TODO Auto-generated method stub 
    int opt= v.getId(); 
    if(opt==R.id.imageButton_sound){ 
     if(ks==0){ 
     letter_sound = MediaPlayer.create(this,R.raw.a); 
     letter_sound.start(); 
     ks++; 
     } 
     else if(ks==1){ 
      letter_sound = MediaPlayer.create(this,R.raw.a); 
      letter_sound.start(); 
      ks++; 
     } 
     else if(ks==2){ 
      letter_sound = MediaPlayer.create(this,R.raw.a); 
      letter_sound.start(); 
      ks++; 
     } 
     else if(ks==3){ 
      letter_sound = MediaPlayer.create(this,R.raw.a); 
      letter_sound.start(); 
      ks++; 
     } 
     else if(ks==4){ 
      letter_sound = MediaPlayer.create(this,R.raw.a); 
      letter_sound.start(); 
      ks++; 
     } 
     else if(ks==5){ 
      letter_sound = MediaPlayer.create(this,R.raw.a); 
      letter_sound.start(); 
      ks++; 
     } 

    } 


    else{ 
     if((opt == R.id.imageButton_a && ks==1)||(opt == R.id.imageButton_b && ks==2)|| 
      (opt == R.id.imageButton_c && ks==3)||(opt == R.id.imageButton_d && ks==4)|| 
      (opt == R.id.imageButton_e && ks==5)||(opt == R.id.imageButton_f && ks==6)){ 

      setContentView(R.layout.success_exam1); 
     joy_sound = MediaPlayer.create(this,R.raw.joy); 
     joy_sound.start(); 



     } 

     else{ 
      setContentView(R.layout.fail_exam1); 
       wrong_sound = MediaPlayer.create(this,R.raw.wrong); 
       wrong_sound.start(); 


     } 


    } 


} 

    public void click_success_fail(View v){ 
     setContentView(R.layout.activity_exam_class_1); 
    } 
}

activity_exam_class_1：

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
> 

<ImageButton 
    android:id="@+id/imageButton_c" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_alignParentLeft="true" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_c" /> 

<ImageButton 
    android:id="@+id/imageButton_a" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_alignParentRight="true" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_a" /> 

<ImageButton 
    android:id="@+id/imageButton_d" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_d" /> 

<ImageButton 
    android:id="@+id/imageButton_sound" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_above="@+id/imageButton_f" 
    android:layout_centerHorizontal="true" 
    android:layout_marginBottom="25dp" 
    android:contentDescription="@null" 
    android:src="@drawable/audio_icon" 
    /> 

<ImageButton 
    android:id="@+id/imageButton_f" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_above="@+id/imageButton_e" 
    android:layout_alignLeft="@+id/imageButton_d" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_f" /> 

<ImageButton 
    android:id="@+id/imageButton_e" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_above="@+id/imageButton_a" 
    android:layout_alignLeft="@+id/imageButton_sound" 
    android:layout_marginLeft="44dp" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_e" /> 

<ImageButton 
    android:id="@+id/imageButton_b" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_above="@+id/imageButton_c" 
    android:layout_alignRight="@+id/imageButton_sound" 
    android:layout_marginRight="47dp" 
    android:contentDescription="@null" 
    android:src="@drawable/exam_b" /> 

</RelativeLayout>

success_exam.xml：

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:background="@drawable/tick1"> 

<ImageButton 
    android:id="@+id/im_button_success" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_centerHorizontal="true" 
    android:src="@drawable/next" 
    android:contentDescription="@null" 
    android:onClick="click_success_fail" 
    /> 

</RelativeLayout>

fail_exam.xml：

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:background="@drawable/wrong1" > 

<ImageButton 
    android:id="@+id/im_button_fail" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignParentBottom="true" 
    android:layout_alignParentLeft="true" 
    android:src="@drawable/try_again" 
    android:contentDescription="@null" 
    android:onClick="click_success_fail" 
    /> 

</RelativeLayout>

來源

2014-10-02 STM

slm;我想你應該在遊戲的第一部分結束時重新初始化計數器「int Ks = 0;」。嘗試像這樣的「RE初始化」：

else{ 
    if((opt == R.id.imageButton_a && ks==1)||(opt == R.id.imageButton_b && ks==2)|| 
     (opt == R.id.imageButton_c && ks==3)||(opt == R.id.imageButton_d && ks==4)|| 
     (opt == R.id.imageButton_e && ks==5)||(opt == R.id.imageButton_f && ks==6)){ 
      Ks=0; 
     setContentView(R.layout.success_exam1); 
    joy_sound = MediaPlayer.create(this,R.raw.joy); 
    joy_sound.start(); 



    } 

    else{ Ks=0; 
     setContentView(R.layout.fail_exam1); 
      wrong_sound = MediaPlayer.create(this,R.raw.wrong); 
      wrong_sound.start(); 


    }

來源

2014-10-02 14:45:35 said

我試過這個，但沒有工作。可以請告訴我應該在哪一行重新初始化？ – STM 2014-10-02 14:57:44

嘗試在上述每個「其他」語句後重新初始化兩行。 – said 2014-10-02 15:54:49

按鈕被點擊一次後被禁用。我想重複使用

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