我开始为我的android应用程序创建一个新的活动,并且当我测试它时,我遇到了一个问题。当我触摸按钮进入新的活动时,该应用程序将崩溃并发送回主要活动。简单的Android活动导致崩溃
这是我与转到新的活动按钮活动:
package brian.android.testgame;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class BeginnerLevelSelector extends Activity {
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.beginner_level_selector);
Button level1button = (Button) findViewById(R.id.bl1);
final Intent level1activity = new Intent(this, Level1Activity.class);
level1button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
startActivity(level1activity);
}
});
}
}
这里是我的活动时,我尝试启动(即崩溃是的,这是所有我输入之前,我发现这个问题)
package brian.android.testgame;
import android.app.Activity;
import android.os.Bundle;
public class Level1Activity extends Activity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main_menu);
}
}
这里是我的日志,当应用程序崩溃:
05-06 21:07:29.085: E/AndroidRuntime(20391): FATAL EXCEPTION: main
05-06 21:07:29.085: E/AndroidRuntime(20391): android.content.ActivityNotFoundException: Unable to find explicit activity class {brian.android.testgame/brian.android.testgame.Level1Activity}; have you declared this activity in your AndroidManifest.xml?
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1634)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1510)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.app.Activity.startActivityForResult(Activity.java:3244)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.app.Activity.startActivity(Activity.java:3351)
05-06 21:07:29.085: E/AndroidRuntime(20391): at brian.android.testgame.BeginnerLevelSelector$1.onClick(BeginnerLevelSelector.java:22)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.view.View.performClick(View.java:3549)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.view.View$PerformClick.run(View.java:14400)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.os.Handler.handleCallback(Handler.java:605)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.os.Handler.dispatchMessage(Handler.java:92)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.os.Looper.loop(Looper.java:154)
05-06 21:07:29.085: E/AndroidRuntime(20391): at android.app.ActivityThread.main(ActivityThread.java:4944)
05-06 21:07:29.085: E/AndroidRuntime(20391): at java.lang.reflect.Method.invokeNative(Native Method)
05-06 21:07:29.085: E/AndroidRuntime(20391): at java.lang.reflect.Method.invoke(Method.java:511)
05-06 21:07:29.085: E/AndroidRuntime(20391): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
05-06 21:07:29.085: E/AndroidRuntime(20391): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
05-06 21:07:29.085: E/AndroidRuntime(20391): at dalvik.system.NativeStart.main(Native Method)
显然在日志陈述,声明你'Level1Activity'在'manifest.xml'。 – Aprian 2013-05-07 01:18:52
我的天啊。日志说'你有没有在你的AndroidManifest.xml中声明这个活动?' – midhunhk 2013-05-07 04:04:38