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我想在我的android應用程序中實現JavaScript。我使用PhoneGap成功實現了這個功能。現在我的應用程序使用JavaScript運行網頁,但有一個小問題。我想在底部放置一個AdMob橫幅,這是我已經在其他應用程序中實現的,所以我遵循相同的過程,但是這導致強制關閉錯誤。如果我運行沒有android佈局和代碼的應用程序,它可以完美運行,但不會與它運行。在android應用程序中實現javascript導致問題
import org.apache.cordova.DroidGap;
import com.google.ads.AdRequest;
import com.google.ads.AdView;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
public class MainActivity extends DroidGap {
private LayoutInflater mInflater;
private View paramView;
@Override
public void onCreate(Bundle savedInstanceState) {
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
LayoutParams params = new LayoutParams(height, width);
paramView = mInflater.inflate(R.layout.activity_main, null);
super.loadUrl("file:///android_asset/www/webPageWithJavascript.htm");
super.addContentView(paramView, params);
AdView adview = (AdView) findViewById(R.id.adView);
AdRequest re = new AdRequest();
adview.loadAd(re);
}
}
登錄貓
11-02 10:15:09.031: E/AndroidRuntime(1249): FATAL EXCEPTION: main
11-02 10:15:09.031: E/AndroidRuntime(1249): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.test.myapplication/com.test.myapplication.MainActivity}: java.lang.NullPointerException
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.os.Handler.dispatchMessage(Handler.java:99)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.os.Looper.loop(Looper.java:130)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread.main(ActivityThread.java:3683)
11-02 10:15:09.031: E/AndroidRuntime(1249): at java.lang.reflect.Method.invokeNative(Native Method)
11-02 10:15:09.031: E/AndroidRuntime(1249): at java.lang.reflect.Method.invoke(Method.java:507)
11-02 10:15:09.031: E/AndroidRuntime(1249): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
11-02 10:15:09.031: E/AndroidRuntime(1249): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
11-02 10:15:09.031: E/AndroidRuntime(1249): at dalvik.system.NativeStart.main(Native Method)
11-02 10:15:09.031: E/AndroidRuntime(1249): Caused by: java.lang.NullPointerException
11-02 10:15:09.031: E/AndroidRuntime(1249): at com.test.myapplication.MainActivity.onCreate(MainActivity.java:26)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
11-02 10:15:09.031: E/AndroidRuntime(1249): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
11-02 10:15:09.031: E/AndroidRuntime(1249): ... 11 more
發佈堆棧跟蹤。 –
@Cthulhu我已經添加了日誌貓。 –
是否在'webPageWithJavascript.htm'中包含腳本中的phonegap.js文件? –