Android threadid=1:线程退出时出现未捕获异常(组=0x409961f8)
我得到了下面的堆栈跟踪,在搜索了很长一段时间后,我仍然不知道是什么导致了它。这是很新的 我在互联网上找到了大部分代码,并根据自己的目的对其进行了修改,因此这可能会导致一些问题Android threadid=1:线程退出时出现未捕获异常(组=0x409961f8),android,Android,我得到了下面的堆栈跟踪,在搜索了很长一段时间后,我仍然不知道是什么导致了它。这是很新的 我在互联网上找到了大部分代码,并根据自己的目的对其进行了修改,因此这可能会导致一些问题 01-11 22:20:02.608: W/dalvikvm(573): threadid=1: thread exiting with uncaught exception (group=0x409961f8) 01-11 22:20:02.628: E/AndroidRuntime(573): FATAL EXCEPT
01-11 22:20:02.608: W/dalvikvm(573): threadid=1: thread exiting with uncaught exception (group=0x409961f8)
01-11 22:20:02.628: E/AndroidRuntime(573): FATAL EXCEPTION: main
01-11 22:20:02.628: E/AndroidRuntime(573): java.lang.IllegalStateException: Could not execute method of the activity
01-11 22:20:02.628: E/AndroidRuntime(573): at android.view.View$1.onClick(View.java:3039)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.view.View.performClick(View.java:3480)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.view.View$PerformClick.run(View.java:13983)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.os.Handler.handleCallback(Handler.java:605)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.os.Handler.dispatchMessage(Handler.java:92)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.os.Looper.loop(Looper.java:137)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.app.ActivityThread.main(ActivityThread.java:4340)
01-11 22:20:02.628: E/AndroidRuntime(573): at java.lang.reflect.Method.invokeNative(Native Method)
01-11 22:20:02.628: E/AndroidRuntime(573): at java.lang.reflect.Method.invoke(Method.java:511)
01-11 22:20:02.628: E/AndroidRuntime(573): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-11 22:20:02.628: E/AndroidRuntime(573): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-11 22:20:02.628: E/AndroidRuntime(573): at dalvik.system.NativeStart.main(Native Method)
01-11 22:20:02.628: E/AndroidRuntime(573): Caused by: java.lang.reflect.InvocationTargetException
01-11 22:20:02.628: E/AndroidRuntime(573): at java.lang.reflect.Method.invokeNative(Native Method)
01-11 22:20:02.628: E/AndroidRuntime(573): at java.lang.reflect.Method.invoke(Method.java:511)
01-11 22:20:02.628: E/AndroidRuntime(573): at android.view.View$1.onClick(View.java:3034)
01-11 22:20:02.628: E/AndroidRuntime(573): ... 11 more
01-11 22:20:02.628: E/AndroidRuntime(573): Caused by: java.lang.ClassCastException: android.app.Application cannot be cast to nl.hees.quiz.QuizApplication
01-11 22:20:02.628: E/AndroidRuntime(573): at nl.hees.quiz.MainActivity.onClick(MainActivity.java:45)
01-11 22:20:02.628: E/AndroidRuntime(573): ... 14 more
MainActivity.java
public class MainActivity extends Activity {
private Button tfBtn, mcBtn, sqBtn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tfBtn = (Button) findViewById(R.id.button1);
mcBtn = (Button) findViewById(R.id.button2);
sqBtn = (Button) findViewById(R.id.button3);
}
public void onClick(View v) {
Intent i;
switch(v.getId()) {
case R.id.button1:
i = new Intent(this, TfActivity.class);
startActivity(i);
break;
case R.id.button2:
//Retrieve questions//
List<Question> questions = getQuestionsFromDb();
//Initialize game//
Game g = new Game();
g.setQuestions(questions);
g.setNumRounds(getNumQuestions());
((QuizApplication)getApplication()).setCurrentGame(g);
//Start game//
i = new Intent(this, McActivity.class);
startActivity(i);
break;
case R.id.button3:
i = new Intent(this, SqActivity.class);
startActivity(i);
break;
case R.id.button4:
finish();
break;
}
}
private List<Question> getQuestionsFromDb() throws Error {
int diff = getDifficultySettings();
int numQuestions = getNumQuestions();
DBHelper helper = new DBHelper(this);
try {
helper.createDataBase();
} catch(IOException ioe) {
throw new Error("Kan database niet aanmaken");
}
try {
helper.openDataBase();
} catch(SQLException sqle) {
throw sqle;
}
List<Question> questions = helper.getQuestions(diff, numQuestions);
helper.close();
return questions;
}
private int getDifficultySettings() {
SharedPreferences settings = getSharedPreferences(Constants.SETTINGS, 0);
int diff = settings.getInt(Constants.DIFFICULTY, Constants.MEDIUM);
return diff;
}
private int getNumQuestions() {
SharedPreferences settings = getSharedPreferences(Constants.SETTINGS, 0);
int numRounds = settings.getInt(Constants.NUM_ROUNDS, 20);
return numRounds;
}
}
公共类MainActivity扩展活动{
专用按钮tfBtn、mcBtn、sqBtn;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tfBtn=(按钮)findViewById(R.id.button1);
mcBtn=(按钮)findViewById(R.id.button2);
sqBtn=(按钮)findViewById(R.id.button3);
}
公共void onClick(视图v){
意图一;
开关(v.getId()){
案例R.id.button1:
i=新意图(此,TfActivity.class);
星触觉(i);
打破
案例R.id.按钮2:
//检索问题//
列出问题=getQuestionsFromDb();
//初始化游戏//
游戏g=新游戏();
g、 设置问题;
g、 setNumRounds(getNumQuestions());
((QuizApplication)getApplication()).setCurrentGame(g);
//开始比赛//
i=新意图(此,McActivity.class);
星触觉(i);
打破
外壳R.id.按钮3:
i=新意图(本,SqActivity.class);
星触觉(i);
打破
外壳R.id.按钮4:
完成();
打破
}
}
私有列表getQuestionsFromDb()引发错误{
int diff=getDifficultySettings();
int numQuestions=getNumQuestions();
DBHelper=newdbhelper(this);
试一试{
createDataBase();
}捕获(ioe异常ioe){
抛出新错误(“Kan数据库niet aanmaken”);
}
试一试{
openDataBase();
}捕获(SQLException sqle){
抛出sqle;
}
列出问题=helper.getQuestions(diff,numQuestions);
helper.close();
回答问题;
}
私有int getDifficultySettings(){
SharedReferences设置=GetSharedReferences(Constants.settings,0);
int diff=settings.getInt(Constants.diff,Constants.MEDIUM);
返回差;
}
私有int getNumQuestions(){
SharedReferences设置=GetSharedReferences(Constants.settings,0);
int numRounds=settings.getInt(Constants.NUM_ROUNDS,20);
返回numRounds;
}
}
我假设您在AndroidManifest.xml
文件中的应用程序
标记中缺少android:name=“nl.hees.quick.quizaApplication
。我想,您可能在项目中使用了一些自定义应用程序。那么,
android:name=“com.exercice.ormdatabase.dtofacory”
应包含在应用程序标记中的AndroidManifest.XML文件中
下面提供的样本
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme"
android:name="nl.hees.quiz.QuizApplication">
......
</application>
......
@user3481441,请发布堆栈跟踪