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Activity 恢复时 Android SoundBoard 崩溃

转载 作者:行者123 更新时间:2023-12-02 08:39:09 27 4
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您好,我为我的一个名为 Aussie Bloke 的角色构建了一个音板 - 该音板包含 30 个按钮和 30 个媒体播放器。我最初使用一个媒体播放器来播放所有按钮,但最终在随机按下大约 20 次后声音就会停止播放。因此,我决定为每个声音使用单独的媒体播放器对象,就像我使用的原始音板模板中所使用的那样。这工作得很好,你可以整天按下按钮并让声音正常工作..但我遇到的问题是,当 Activity 被发送到后台并在几秒钟后再次返回时,当你按下按钮时应用程序崩溃..我尝试创建一个 onResume 方法来准备所有玩家,但这只是使应用程序从一开始就崩溃了。抱歉,我对编码和应用程​​序构建非常陌生,因此可能有一个我忽略或完全不知道的明显解决方案。

package com.zammacat.aussiebloke1;

import java.io.IOException;

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class AUSSIEBLOKE1 extends Activity {

private static final String BASE64_PUBLIC_KEY = "key here";

MediaPlayer beer1;
MediaPlayer beer2;
MediaPlayer beer3;
MediaPlayer beauty;
MediaPlayer boner;
MediaPlayer death;
MediaPlayer dingo;
MediaPlayer dogupya;
MediaPlayer donotpress;
MediaPlayer enough;
MediaPlayer heaven;
MediaPlayer help;
MediaPlayer hungry;
MediaPlayer kebab;
MediaPlayer kids;
MediaPlayer knees;
MediaPlayer later;
MediaPlayer meatpie;
MediaPlayer medal;
MediaPlayer oath;
MediaPlayer poem;
MediaPlayer politics;
MediaPlayer pub;
MediaPlayer sex;
MediaPlayer sport;
MediaPlayer strewth;
MediaPlayer tango;
MediaPlayer v8;
MediaPlayer what;
MediaPlayer yoursister;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_aussiebloke1);




beer1 = MediaPlayer.create(this, R.raw.beer1);
beer2 = MediaPlayer.create(this, R.raw.beer2);
beer3 = MediaPlayer.create(this, R.raw.beer3);
beauty = MediaPlayer.create(this, R.raw.beauty);
boner = MediaPlayer.create(this, R.raw.boner);
death = MediaPlayer.create(this, R.raw.death);
dingo = MediaPlayer.create(this, R.raw.dingo);
dogupya = MediaPlayer.create(this, R.raw.dogupya);
donotpress = MediaPlayer.create(this, R.raw.donotpress);
enough = MediaPlayer.create(this, R.raw.enough);
heaven = MediaPlayer.create(this, R.raw.heaven);
help = MediaPlayer.create(this, R.raw.help);
hungry = MediaPlayer.create(this, R.raw.hungry);
kebab = MediaPlayer.create(this, R.raw.kebab);
kids = MediaPlayer.create(this, R.raw.kids);
knees = MediaPlayer.create(this, R.raw.knees);
later = MediaPlayer.create(this, R.raw.later);
meatpie = MediaPlayer.create(this, R.raw.meatpie);
medal = MediaPlayer.create(this, R.raw.medal);
oath = MediaPlayer.create(this, R.raw.oath);
poem = MediaPlayer.create(this, R.raw.poem);
politics = MediaPlayer.create(this, R.raw.politics);
pub = MediaPlayer.create(this, R.raw.pub);
sex = MediaPlayer.create(this, R.raw.sex);
sport = MediaPlayer.create(this, R.raw.sport);
strewth = MediaPlayer.create(this, R.raw.strewth);
tango = MediaPlayer.create(this, R.raw.tango);
v8 = MediaPlayer.create(this, R.raw.v8);
what = MediaPlayer.create(this, R.raw.what);
yoursister = MediaPlayer.create(this, R.raw.yoursister);



Button b01 = (Button) findViewById(R.id.beer1);
b01.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
beer1.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
beer1.start();
}
});

Button b02 = (Button) findViewById(R.id.beer2);
b02.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
beer2.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
beer2.start();
}
});

Button b03 = (Button) findViewById(R.id.beer3);
b03.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
beer3.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
beer3.start();
}
});

Button b04 = (Button) findViewById(R.id.beauty);
b04.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
beauty.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
beauty.start();
}
});

Button b05 = (Button) findViewById(R.id.boner);
b05.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
boner.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
boner.start();
}
});

Button b06 = (Button) findViewById(R.id.death);
b06.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
death.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
death.start();
}
});

Button b07 = (Button) findViewById(R.id.dingo);
b07.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
dingo.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
dingo.start();
}
});

Button b08 = (Button) findViewById(R.id.dogupya);
b08.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
dogupya.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
dogupya.start();
}
});

Button b09 = (Button) findViewById(R.id.donotpress);
b09.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
donotpress.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
donotpress.start();
}
});

Button b10 = (Button) findViewById(R.id.enough);
b10.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
enough.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
enough.start();
}
});

Button b11 = (Button) findViewById(R.id.heaven);
b11.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
heaven.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
heaven.start();
}
});

Button b12 = (Button) findViewById(R.id.help);
b12.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
help.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
help.start();
}
});

Button b13 = (Button) findViewById(R.id.hungry);
b13.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
hungry.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
hungry.start();
}
});

Button b14 = (Button) findViewById(R.id.kebab);
b14.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
kebab.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
kebab.start();
}
});

Button b15 = (Button) findViewById(R.id.kids);
b15.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
kids.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
kids.start();
}
});

Button b16 = (Button) findViewById(R.id.knees);
b16.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
knees.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
knees.start();
}
});

Button b17 = (Button) findViewById(R.id.later);
b17.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
later.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
later.start();
}
});

Button b18 = (Button) findViewById(R.id.meatpie);
b18.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
meatpie.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
meatpie.start();
}
});

Button b19 = (Button) findViewById(R.id.medal);
b19.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
medal.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
medal.start();
}
});

Button b20 = (Button) findViewById(R.id.oath);
b20.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
oath.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
oath.start();
}
});

Button b21 = (Button) findViewById(R.id.poem);
b21.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
poem.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
poem.start();
}
});

Button b22 = (Button) findViewById(R.id.politics);
b22.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
politics.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
politics.start();
}
});

Button b23 = (Button) findViewById(R.id.pub);
b23.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
pub.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
pub.start();
}
});

Button b24 = (Button) findViewById(R.id.sex);
b24.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
sex.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
sex.start();
}
});

Button b25 = (Button) findViewById(R.id.sport);
b25.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
sport.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
sport.start();
}
});

Button b26 = (Button) findViewById(R.id.strewth);
b26.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
strewth.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
strewth.start();
}
});

Button b27 = (Button) findViewById(R.id.tango);
b27.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
tango.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
tango.start();
}
});

Button b28 = (Button) findViewById(R.id.v8);
b28.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
v8.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
v8.start();
}
});

Button b29 = (Button) findViewById(R.id.what);
b29.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
what.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
what.start();
}
});

Button b30 = (Button) findViewById(R.id.yoursister);
b30.setOnClickListener(new OnClickListener(){
public void onClick(View v){
try {
yoursister.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
yoursister.start();
}
});



}


protected void onStop() {

super.onStop();
beer1.release();
beer2.release();
beer3.release();
beauty.release();
boner.release();
death.release();
dingo.release();
dogupya.release();
donotpress.release();
enough.release();
heaven.release();
help.release();
hungry.release();
kebab.release();
kids.release();
knees.release();
later.release();
meatpie.release();
medal.release();
oath.release();
poem.release();
politics.release();
pub.release();
sex.release();
sport.release();
strewth.release();
tango.release();
v8.release();
what.release();
yoursister.release();




}

}

最佳答案

您需要在 Activity 中实现 onResume() 方法并在其中重新创建媒体播放器对象:

public void onResume()  {
super.onResume();

// ...

beer1 = MediaPlayer.create(this, R.raw.beer1);
beer2 = MediaPlayer.create(this, R.raw.beer2);
beer3 = MediaPlayer.create(this, R.raw.beer3);

// ...
}

您可以在此处阅读有关 Activity 生命周期的更多信息:http://developer.android.com/training/basics/activity-lifecycle/index.html

关于Activity 恢复时 Android SoundBoard 崩溃,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14795790/

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