0
我的应用程序崩溃时我尝试当用户按下“Eliminar”(删除)显示对话框按钮:为什么我的警报对话框会崩溃我的应用程序?
botonEliminar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
AlertDialog.Builder builder = new AlertDialog.Builder(
getApplicationContext());
builder.setMessage("¿Seguro que quieres eliminar?")
.setCancelable(false)
.setNegativeButton("Eliminar",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
SQLiteDatabase database = gestor.getWritableDatabase();
if (database != null) {
database.execSQL("DELETE FROM Organizaciones WHERE nombre_org = '"
+ name + "'");
database.close();
}
Intent intent = new Intent(
Consultar_organizacion.this,
MainActivity.class);
Consultar_organizacion.this
.startActivity(intent);
}
});
AlertDialog alert = builder.create();
alert.show();
}
});
您能否给一些帮助吗?我不知道什么是错的。
编辑:这里是logcat的,貌似问题是什么“令牌无效”有关,但我不知道这件事:
06-12 15:16:59.776: W/dalvikvm(2343): threadid=1: thread exiting with uncaught exception (group=0x409fa1f8)
06-12 15:16:59.776: E/AndroidRuntime(2343): FATAL EXCEPTION: main
06-12 15:16:59.776: E/AndroidRuntime(2343): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.ViewRootImpl.setView(ViewRootImpl.java:522)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:301)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.app.Dialog.show(Dialog.java:285)
06-12 15:16:59.776: E/AndroidRuntime(2343): at com.example.project.Consultar_organizacion$1.onClick(Consultar_organizacion.java:87)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.View.performClick(View.java:3511)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.view.View$PerformClick.run(View.java:14109)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.os.Handler.handleCallback(Handler.java:605)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.os.Handler.dispatchMessage(Handler.java:92)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.os.Looper.loop(Looper.java:137)
06-12 15:16:59.776: E/AndroidRuntime(2343): at android.app.ActivityThread.main(ActivityThread.java:4424)
06-12 15:16:59.776: E/AndroidRuntime(2343): at java.lang.reflect.Method.invokeNative(Native Method)
06-12 15:16:59.776: E/AndroidRuntime(2343): at java.lang.reflect.Method.invoke(Method.java:511)
06-12 15:16:59.776: E/AndroidRuntime(2343): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-12 15:16:59.776: E/AndroidRuntime(2343): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-12 15:16:59.776: E/AndroidRuntime(2343): at dalvik.system.NativeStart.main(Native Method)
请发布logcat输出以帮助我们找到您的问题。 – JorganPubshire
当然,这是:) – moictab
@moictab使用Activity.this而不是getApplicationContext() – TheFlash