ローン計算用の非常に単純な Android アプリケーションがあります。私はこれを使って、私が取り組んでいる大規模なプログラムをプログラミングする方法を学んでいます。Android と AdMob の開発ページを使用しましたが、アプリの上部に広告が表示されないようです。
次のファイルMainActivity.java、activity_main.xmlがあります
activity_main.xml は次のとおりです
<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".LoanCalculator" >
<EditText
android:id="@+id/editBalance"
android:layout_width="80dp"
android:layout_height="30dp"
android:layout_alignBottom="@+id/balance"
android:layout_alignParentRight="true"
android:layout_marginRight="17dp"
android:ems="10"
android:textSize="10dp"
android:inputType="number" >
</EditText>
<TextView
android:id="@+id/rate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/balance"
android:layout_below="@+id/balance"
android:layout_marginTop="30dp"
android:text="Rate (APR)" />
<EditText
android:id="@+id/editRate"
android:layout_width="80dp"
android:layout_height="30dp"
android:layout_alignBottom="@+id/rate"
android:layout_alignParentRight="true"
android:layout_marginRight="17dp"
android:ems="10"
android:textSize="10dp"
android:inputType="number|numberDecimal" >
</EditText>
<TextView
android:id="@+id/term"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/rate"
android:layout_below="@+id/rate"
android:layout_marginTop="30dp"
android:text="Term (Mo.)" />
<EditText
android:id="@+id/editTerm"
android:layout_width="80dp"
android:layout_height="30dp"
android:layout_alignBottom="@+id/term"
android:layout_alignParentRight="true"
android:layout_marginRight="17dp"
android:ems="10"
android:textSize="10dp"
android:inputType="number" >
</EditText>
<TextView
android:id="@+id/payment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/term"
android:layout_below="@+id/term"
android:layout_marginTop="30dp"
android:text="Monthly Payment" />
<TextView
android:id="@+id/textMntlypmt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/payment"
android:layout_alignBottom="@+id/payment"
android:layout_alignLeft="@+id/editTerm"
android:layout_alignRight="@+id/editTerm"
android:text="" />
<Button
android:id="@+id/calculate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/payment"
android:layout_centerHorizontal="true"
android:layout_marginTop="60dp"
android:onClick="ButtonOnClick"
android:text="Calculate" />
<TextView
android:id="@+id/balance"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/adView"
android:layout_below="@+id/adView"
android:layout_marginTop="20dp"
android:text="Balance" />
<com.google.ads.AdView
android:id="@+id/adView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
ads:adSize="BANNER"
ads:adUnitId="ca-app-pub-2754978410424403/9803362252"
ads:loadAdOnCreate="true" >
</com.google.ads.AdView>
</RelativeLayout>
私の .java は次のとおりです。
package biz.midl.loancalculator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.google.ads.AdRequest;
import com.google.ads.AdSize;
import com.google.ads.AdView;
public class MainActivity extends Activity implements OnClickListener {
Button Home;
private AdView adView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void ButtonOnClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.calculate:
EditText myEdit = (EditText) findViewById(R.id.editBalance);
String myEditValue = myEdit.getText().toString();
double loanAmount = Double.parseDouble(myEditValue);
EditText myEdit2 = (EditText) findViewById(R.id.editRate);
String myEditValue2 = myEdit2.getText().toString();
double interestRate = Double.parseDouble(myEditValue2);
EditText myEdit3 = (EditText) findViewById(R.id.editTerm);
String myEditValue3 = myEdit3.getText().toString();
Double loanPeriod = Double.parseDouble(myEditValue3);
double r = interestRate/1200;
double r1 = Math.pow(r+1,loanPeriod);
double editMnthlypmt = (double) ((r+(r/(r1-1))) * loanAmount);
TextView textMnthlypmt = (TextView)findViewById(R.id.textMntlypmt);
textMnthlypmt.setText("" + String.valueOf(editMnthlypmt));
break;
}
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
}
任意の提案をいただければ幸いです。
エラーは次のとおりです。
アプリケーション Loan Calculator (プロセス.....) が予期せず停止しました。
LogCat は次のとおりです。
09-18 03:32:47.534: D/AndroidRuntime(335): Shutting down VM
09-18 03:32:47.534: W/dalvikvm(335): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
09-18 03:32:47.594: E/AndroidRuntime(335): FATAL EXCEPTION: main
09-18 03:32:47.594: E/AndroidRuntime(335): java.lang.RuntimeException: Unable to start activity ComponentInfo{biz.midl.loancalculator/biz.midl.loancalculator.MainActivity}: android.view.InflateException: Binary XML file line #13: Error inflating class com.google.ads.AdView
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.os.Handler.dispatchMessage(Handler.java:99)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.os.Looper.loop(Looper.java:123)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread.main(ActivityThread.java:4627)
09-18 03:32:47.594: E/AndroidRuntime(335): at java.lang.reflect.Method.invokeNative(Native Method)
09-18 03:32:47.594: E/AndroidRuntime(335): at java.lang.reflect.Method.invoke(Method.java:521)
09-18 03:32:47.594: E/AndroidRuntime(335): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
09-18 03:32:47.594: E/AndroidRuntime(335): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
09-18 03:32:47.594: E/AndroidRuntime(335): at dalvik.system.NativeStart.main(Native Method)
09-18 03:32:47.594: E/AndroidRuntime(335): Caused by: android.view.InflateException: Binary XML file line #13: Error inflating class com.google.ads.AdView
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:576)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
09-18 03:32:47.594: E/AndroidRuntime(335): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.Activity.setContentView(Activity.java:1647)
09-18 03:32:47.594: E/AndroidRuntime(335): at biz.midl.loancalculator.MainActivity.onCreate(MainActivity.java:23)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
09-18 03:32:47.594: E/AndroidRuntime(335): ... 11 more
09-18 03:32:47.594: E/AndroidRuntime(335): Caused by: java.lang.ClassNotFoundException: com.google.ads.AdView in loader dalvik.system.PathClassLoader[/data/app/biz.midl.loancalculator-1.apk]
09-18 03:32:47.594: E/AndroidRuntime(335): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
09-18 03:32:47.594: E/AndroidRuntime(335): at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
09-18 03:32:47.594: E/AndroidRuntime(335): at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.createView(LayoutInflater.java:466)
09-18 03:32:47.594: E/AndroidRuntime(335): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)
09-18 03:32:47.594: E/AndroidRuntime(335): ... 20 more