我想在eclipse中用按钮创建一个简单的应用程序。我想这样做是为了在按下按钮10次后会弹出一条消息。问题是,当我启动应用程序并按下按钮10次时,没有任何反应。你能告诉我我做错了什么吗?按钮问题eclipse
这是我的活动文件:
package com.example.dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
public class Game extends Activity implements android.view.View.OnClickListener{
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.game);
Button gamebutton = (Button) findViewById(R.id.gamebutton);
}
@Override
public void onClick(View v){
//TODO Auto-generated method stub
int clicked = 0;
clicked++;
if( clicked==10){
AlertDialog.Builder gamebuild = new AlertDialog.Builder(Game.this);
gamebuild.setMessage("Good");
gamebuild.setCancelable(false);
gamebuild.setPositiveButton("Quit", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Game.this.finish();
}
});
gamebuild.setNegativeButton("One more!", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
});
}
}
}
感谢响应!我用这种方式编辑了活动文件:
package com.example.dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
public class Game extends Activity implements android.view.View.OnClickListener{
int clicked = 0;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.game);
Button gamebutton = (Button) findViewById(R.id.gamebutton);
}
@Override
public void onClick(View v){
//TODO Auto-generated method stub
clicked++;
if( clicked==10){
AlertDialog.Builder gamebuild = new AlertDialog.Builder(Game.this);
gamebuild.setMessage("Good");
gamebuild.setCancelable(false);
gamebuild.setPositiveButton("Quit", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Game.this.finish();
}
});
gamebuild.setNegativeButton("One more!", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
});
}
}
}
仍然没有正常工作。对不起愚蠢的问题:我是新来的android。
新编辑:
package com.example.dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
public class Game extends Activity implements android.view.View.OnClickListener{
int clicked = 0;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.game);
Button gamebutton = (Button) findViewById(R.id.gamebutton);
gamebutton.setOnClickListener(this);
}
@Override
public void onClick(View v){
//TODO Auto-generated method stub
clicked++;
if( clicked==10){
AlertDialog.Builder gamebuild = new AlertDialog.Builder(Game.this);
gamebuild.setMessage("Good");
gamebuild.setCancelable(false);
gamebuild.setPositiveButton("Quit", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Game.this.finish();
}
});
gamebuild.setNegativeButton("One more!", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
});
}
}
}
感谢repsonse!正如你所说,我已经编辑过活动文件,但它仍然没有以正确的方式工作。我在我的问题中添加了新的活动文件代码。还有更多的错误吗?在此先感谢 – user3365831
@ user3365831您需要添加“gamebutton.setOnClickListener(this);”为了告诉按钮什么功能来点击点击。因为你这样做,你可能需要onClick函数来检查视图(作为v传递)来检查哪个按钮被按下,这样你可以有多个按钮(如果你想,再加上这是一个好习惯) – T3KBAU5
你能请再次看到问题 - 我再次编辑它。我已经尝试了puttin'“gamebutton.setOnClickListener(this)”onClick内部和外部。仍然没有变化..非常感谢 – user3365831