你看是不是AndroidManifest.xml中没声明

解决方案 »

  1.   

    AndroidManifest.xml
    <?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.example.arsns"
        android:versionCode="1"
        android:versionName="1.0" >    <uses-sdk
            android:minSdkVersion="8"
            android:targetSdkVersion="19" />    <application
            android:allowBackup="true"
            android:icon="@drawable/ic_launcher"
            android:label="@string/app_name"
            android:theme="@style/AppTheme" >
            <activity
                android:name="com.example.arsns.MainActivity"
                android:label="@string/app_name" >
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity>
            
            <activity
                android:label="ZhuceActivity"
                android:name=".zhuceactivity">
                <intent-filter>
                    <action android:name="com.example.ZhuceActivity"/>
                    <category android:name="android.intent.category.DEFAULT"/>
                    </intent-filter>
                    </activity>
        </application></manifest>
    .java里面
    package com.example.arsns;
    import android.content.Intent;
    import android.os.Bundle;
    import android.app.Activity;
    import android.view.View;public class MainActivity extends Activity {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main); 
            }
        public void login(View view){
         startActivity(new Intent("this,zhuye。class"));
        }
        public void register(View view){
        
         startActivity(new Intent("this,ZhuceActivity。class"));
        }
        
        }