如何在Android Studio中打开另一个活动的按钮? [英] How do I get a button to open another activity in Android Studio?
问题描述
您好我是编程的新手,我正在使用 Android Studio
来编写我的Android应用。我曾经使用 Eclipse
,但我正在尝试新的东西。我已经在 my activity.XML
文件中添加了一个按钮,我无法打开我的其他活动。有人可以一步一步告诉我如何做到这一点吗?
Hi I'm new to programing and I'm using the Android Studio
to code my Android app. I used to work with Eclipse
but I'm trying something new. I've added a button to my activity.XML
file and I can't get it to open my other activity. Can some please tell me step by step on how to do this please?
推荐答案
A。确保您的其他活动在清单中声明:
A. Make sure your other activity is declared in manifest:
<activity
android:name="MyOtherActivity"
android:label="@string/app_name">
</activity>
所有活动必须在清单中声明,即使他们没有分配给他们的意图过滤器。
All activities must be declared in manifest, even if they do not have an intent filter assigned to them.
B.在您的MainActivity做这样的事情:
B. In your MainActivity do something like this:
Button btn = (Button)findViewById(R.id.open_activity_button);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this, MyOtherActivity.class));
}
});
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