CODEWITHSUNDEEP
javaandroidandroid-intentandroid-activity
user1563232
user1563232

Reputation: 361

activity changing in android

I am making a game for Android, but I never really found a good way to change the activities, or the content views. I have 1 main menu activity now, whose content view receives MotionEvents and dispatches them to my custom buttons. Another Activity has a simple contentView which just paints the screen in one color. All contentViews have the same base class and activity 2 is derived from activity 1.

The problem is, that the app just crashes if a try to change the activity. It takes about 20 seconds, then the error message appears that says the app isnt responding. In logcat, theres also a message keyDispatchingTimedOut sending to activity2 Below is the code for activity change:

public void changeActivity() {
    Log.d("changing", "activity");
    Intent i=new Intent(this, Activity_Level.class);
    startActivity(i);
}

Any ideas?

Upvotes: 0

Views: 119

Answers (4)

android developer
android developer

Reputation: 116382

if the app isn't responding , it's because you do a long operation on the UI thread . maybe after calling this function you continue to do something else ?

if , as people said , the activity isn't opened (and you can check it by writing to the log inside the onCreate method) , check the manifest.

in any case , if you want to have better control of activities , you can check the possible flags to use for the intents , and you can also use fragments (when possible) , just like google recommends .

Upvotes: 1

Chintan Raghwani
Chintan Raghwani

Reputation: 3370

You have to use context of your activity in method

Intent i=new Intent(Youar_Activity_Name.this, Activity_Level.class);
                    ^^^^^^^^^^^^^^^^^^^^^^

Use above code in your changeActivity() method.

Upvotes: 1

overbet13
overbet13

Reputation: 1684

I sense that you didn't add all the activities to the manifest.xml file. Try to add all the activities there, and give it a run.

Upvotes: 0

Anders Metnik
Anders Metnik

Reputation: 6237

Without seeing the logcat message, I bet you forgot to add the activity in AndroidManifest.xml

Upvotes: 0

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