我一直在网上关注如何构建android应用程序的教程,直到今天一切都很好,我一直在尝试admob,首先我按照教程,我的应用程序崩溃了java和xml添加admob的方式。然后我按照 admob.com 上的说明进行操作。有谁知道如何解决这个问题?我是 OOP(Java/Android)的新手。
这是错误日志:
03-01 20:02:06.910: E/AndroidRuntime(4670): <-- 所有行都以此开头。
FATAL EXCEPTION: main
java.lang.NoClassDefFoundError: com.google.ads.AdView
at com.example.myfirstapp.Data.onCreate(Data.java:31)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1722)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1784)
at android.app.ActivityThread.access$1500(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:939)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:130)
at android.app.ActivityThread.main(ActivityThread.java:3835)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
数据.java:
package com.example.myfirstapp;
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.RelativeLayout;
import android.widget.TextView;
import com.google.ads.AdRequest;
import com.google.ads.AdSize;
import com.google.ads.AdView;
public class Data extends Activity implements OnClickListener {
private AdView ad;
Button start, startFor;
EditText sendET;
TextView gotAnswer;
RelativeLayout rl;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.get);
initialize();
ad = new AdView(this, AdSize.BANNER, "a151303d6f29c9c");
rl = (RelativeLayout) findViewById(R.id.relLayout);
rl.addView(ad);
ad.loadAd(new AdRequest());
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
if (ad != null) {
ad.destroy();
}
super.onDestroy();
}
private void initialize() {
// TODO Auto-generated method stub
start = (Button) findViewById(R.id.bSA);
startFor = (Button) findViewById(R.id.bSAFR);
sendET = (EditText) findViewById(R.id.etSend);
gotAnswer = (TextView) findViewById(R.id.tvGot);
start.setOnClickListener(this);
startFor.setOnClickListener(this);
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch (arg0.getId()) {
case R.id.bSA:
String bread = sendET.getText().toString();
Bundle basket = new Bundle();
basket.putString("key", bread);
Intent a = new Intent(Data.this, OpenedClass.class);
a.putExtras(basket);
startActivity(a);
break;
case R.id.bSAFR:
Intent i = new Intent(Data.this, OpenedClass.class);
startActivityForResult(i, 0);
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
Bundle basket = data.getExtras();
String s = basket.getString("answer");
gotAnswer.setText(s);
}
}
}