我一直试图让我的按钮在很长一段时间内工作,有趣的是他们我已经完全实现了代码同样的方式为其他按钮,他们工作正常,按钮甚至没有抛出一个错误或例外,我越来越累..我尝试了几乎所有我能想到的,但它仍然无法正常工作。单击按钮时无法显示下一个活动[Android]
按钮不工作的活动代码。
@Override
protected void onCreate(Bundle savedInstanceState) {
Button easy, medium, hard;
requestWindowFeature(Window.FEATURE_NO_TITLE);
super.onCreate(savedInstanceState);
setContentView(R.layout.exam_level_options);
easy = (Button) findViewById(R.id.easyExamButn);
medium = (Button) findViewById(R.id.mediumExamButn);
hard = (Button) findViewById(R.id.hardExamButn);
easy.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
intent = new Intent (ExamOptionPage.this, EasyExam.class);
startActivity(intent);
}
});
medium.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
intent = new Intent (ExamOptionPage.this, MediumExam.class);
startActivity(intent);
}
});
hard.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
intent = new Intent (ExamOptionPage.this, HardExam.class);
startActivity(intent);
}
});
}
/*@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.easyExamButn:
intent = new Intent(this, EasyExam.class);
this.startActivity(intent);
overridePendingTransition(R.anim.fade, 0);
break;
case R.id.mediumExamButn:
intent = new Intent(this, MediumExam.class);
this.startActivity(intent);
overridePendingTransition(R.anim.fade, 0);
break;
case R.id.hardExamButn:
intent = new Intent(this, HardExam.class);
this.startActivity(intent);
overridePendingTransition(R.anim.fade, 0);
break;
default:
break;
}
}*/
我已经阻止注释掉switch语句,但尝试了另一种方法仍然不幸运,但switch语句适用于其他活动。做同样的事情。
日志:
01-08 23:42:39.436: INFO/ActivityManager(58): Starting activity: Intent { act=com.gc02.android.activities.OPTIONACTIVITY cmp=com.gc02.android/.activities.OptionActivity }
01-08 23:42:39.464: INFO/WindowManager(58): Setting rotation to 0, animFlags=0
01-08 23:42:39.514: INFO/ActivityManager(58): Config changed: { scale=1.0 imsi=310/260 loc=en_US touch=3 keys=2/1/2 nav=3/1 orien=1 layout=34}
01-08 23:42:40.035: INFO/ActivityManager(58): Displayed activity com.gc02.android/.activities.OptionActivity: 576 ms (total 576 ms)
01-08 23:42:41.234: INFO/ActivityManager(58): Starting activity: Intent { cmp=com.gc02.android/.activities.ExamActivity }
01-08 23:42:41.614: INFO/ActivityManager(58): Displayed activity com.gc02.android/.activities.ExamActivity: 358 ms (total 358 ms)
01-08 23:42:42.144: DEBUG/dalvikvm(58): GC freed 1726 objects/84336 bytes in 104ms
01-08 23:42:43.474: WARN/KeyCharacterMap(1638): No keyboard for id 0
01-08 23:42:43.484: WARN/KeyCharacterMap(1638): Using default keymap: /system/usr/keychars/qwerty.kcm.bin
01-08 23:42:46.694: DEBUG/dalvikvm(101): GC freed 551 objects/26640 bytes in 75ms
01-08 23:42:47.584: DEBUG/dalvikvm(96): GC freed 411 objects/22256 bytes in 116ms
01-08 23:42:48.054: DEBUG/dalvikvm(96): GC freed 719 objects/53216 bytes in 166ms
01-08 23:42:51.114: DEBUG/dalvikvm(96): GC freed 693 objects/42344 bytes in 70ms
01-08 23:42:59.134: INFO/NotificationService(58): enqueueToast pkg=com.gc02.android [email protected] duration=0
01-08 23:43:01.688: DEBUG/dalvikvm(99): GC freed 12471 objects/573368 bytes in 1422ms
01-08 23:43:03.124: WARN/InputManagerService(58): Window already focused, ignoring focus gain of: [email protected]
这似乎是按钮都没有被调用,当我点击他们,我能做些什么?
谢谢!
确保的onClick方法被调用。调用'Log.i()'并打印出一些诊断信息。 – 2012-01-08 23:30:23
你可能想看看你的布局,如果你按照顶部的按钮绘制,onclick可能不会被解雇。 – 2012-01-09 00:07:31
您也可以尝试在xml中声明'android:onclick =“startEasy”'并在您的活动中添加一个公共方法'startEasy'。 – 2012-01-09 00:09:09