要崩溃了，两个Activity无法跳转，什么错都不报，3天了系统都重装了
新手，跪求答案。
目录结构、android版本。点按钮就卡那里不动
第一个Activity。
package my.android;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;public class MyAndroidActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView tvTextView=(TextView) findViewById(R.id.mytv); tvTextView.setText("wo cao"); Button btnButton=(Button) findViewById(R.id.mybutton); btnButton.setText("my button"); btnButton.setOnClickListener(new android.view.View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub // MyAndroidActivity.this.finish(); Intent intent=new Intent(); intent.putExtra("key", "zai cao"); intent.setClass(MyAndroidActivity.this, ActivityTwo.class); MyAndroidActivity.this.startService(intent); // MyAndroidActivity.this.finish(); } }); } /* class MyButtonLN implements android.view.View.OnClickListener{ @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent=new Intent(); intent.setClass(MyAndroidActivity.this, ActivityTwo.class); MyAndroidActivity.this.startService(intent); } } */}package my.android;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.TextView;public class ActivityTwo extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.two); Intent thisintent=getIntent(); String keyValue=thisintent.getStringExtra("key"); TextView tvTextView=(TextView) findViewById(R.id.twotv); tvTextView.setText(keyValue); } }package my.android;public final class R { public static final class attr { } public static final class drawable { public static final int ic_launcher=0x7f020000; } public static final class id { public static final int mybutton=0x7f050001; public static final int mytv=0x7f050000; public static final int twotv=0x7f050002; } public static final class layout { public static final int main=0x7f030000; public static final int two=0x7f030001; } public static final class string { public static final int app_name=0x7f040001; public static final int hello=0x7f040000; }}<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:id="@+id/mytv" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Button android:id="@+id/mybutton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /></LinearLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:id="@+id/twotv" android:layout_width="fill_parent" android:layout_height="wrap_content"> </TextView></LinearLayout>
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="my.android" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="15" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".MyAndroidActivity" 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=".ActivityTwo" android:label="newActiviyyTwo" > </activity> </application></manifest>