AndroidManifest.xml中配置了跳转依然出错

2011-05-09 10:51:41 348 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Android启动页合规实现：SplashScreen API与Theme配置详解 Android启动页（Splash Screen）是App首屏体验的关键环节，其本质是系统在Application初始化完成前，通过Theme和AndroidManifest.xml协同控制的视觉占位机制。其核心原理在于解耦UI呈现与业务初始化——由系统级SplashScreen API负责毫秒级首帧渲染，开发者仅需通过setKeepOnScreenCondition声明退出条件。该方案显著提升冷启动稳定性，规避黑屏/白屏、闪退及Google Play审核风险，广泛应用于金融、电商、工具类App的Andro 阅读详情

activity01



package com.Activity01;



import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;



public class Activity01 extends Activity {

    /** Called when the activity is first created. */

	private EditText ParamOne;

	private TextView textView;

	private EditText ParamTwo;

	private Button   btn;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        /*初始化控件*/

         ParamOne = (EditText)findViewById(R.id.editText1);

         textView = (TextView)findViewById(R.id.textView1);

         ParamTwo = (EditText)findViewById(R.id.editText2);

           btn      = (Button)findViewById(R.id.button1);

         textView.setText(R.string.run);

        /*绑定监听器至按钮*/

         btn.setOnClickListener(new resultlistener());  

    }

    

    /*创建监听器监听按钮动作*/

    class resultlistener implements OnClickListener{



		@Override

		public void onClick(View v) {

			/*得到控件的值并转换为字符串*/

			String One = ParamOne.getText().toString();

			String Two = ParamTwo.getText().toString();

			/*构建intent对象,并传值*/

			Intent intent = new Intent();

			intent.putExtra("argOne", One);

			intent.putExtra("argTwo", Two);

			intent.setClass(Activity01.this, Activity02.class);

			Activity01.this.startActivity(intent);

		}

    	

    }

}

activity02



package com.Activity01;



import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.widget.TextView;



public class Activity02 extends Activity{

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		// TODO Auto-generated method stub

		super.onCreate(savedInstanceState);

		setContentView(R.layout.result);

		/*构建intent,并接受值*/

		Intent intent = new Intent();

		String StrOne = intent.getStringExtra("argOne");

		String StrTwo = intent.getStringExtra("argTwo");

		/*转换数据类型,并计算*/

		int intOne = Integer.parseInt(StrOne);

		int intTwo = Integer.parseInt(StrTwo);

		int result =intOne * intTwo;

		/*显示数据*/

		TextView tv = (TextView)findViewById(R.id.T);

		tv.setText(result + "");

	}

	



}

main.xml



<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

    <EditText android:id="@+id/editText1" 

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" >

    </EditText>

    

    <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:id="@+id/textView1" android:text="@string/initstring">

    </TextView>

    <EditText android:id="@+id/editText2" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/initstring"></EditText>

    <Button android:layout_width="fill_parent" android:id="@+id/button1" android:layout_height="wrap_content" android:text="@string/result1"></Button>

</LinearLayout>

result.xml



<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView  

    android:layout_width="fill_parent" 

    android:layout_height="wrap_content" 

    android:id="@+id/T" 

    android:text="@string/initstring"/>

</LinearLayout>

mainfest.xml



<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

      package="com.Activity01"

      android:versionCode="1"

      android:versionName="1.0">

    <uses-sdk android:minSdkVersion="4" />



    <application android:icon="@drawable/icon" android:label="@string/app_name">

        <activity android:name=".Activity01"

                  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:name=".Activity02">

                  

        </activity>         

    </application>

</manifest>

string.xml



<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="hello">Hello World, Activity01!</string>

    <string name="app_name">Activity01</string>

    <string name="result">result</string>

    <string name="run">乘以</string>

    <string name="initstring"></string>

    <string name="result1">计算</string>

</resources>

运行时程序意外终止,.为什么

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