TabLayout一调用方法就软件闪退

Question

<?xml version="1.0" encoding="utf-8"?>
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="wz.com.mytablayout.MainActivity">

<android.support.design.widget.TabLayout
    android:id="@+id/tab"
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:background="@color/colorAccent"
    />

package wz.com.mytablayout;

import android.support.design.widget.TabLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

TabLayout tabLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    tabLayout=(TabLayout)findViewById(R.id.tab);
    tabLayout.addTab(tabLayout.newTab().setText("Tab1"));
    tabLayout.addTab(tabLayout.newTab().setText("Tab2"));
    tabLayout.addTab(tabLayout.newTab().setText("Tab3"));

}

}

Answer 1

把你的报错信息拿出来,看看是哪里出的错