我的第一个活动 Xm
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#a5c63b"
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=".MainActivity" >
<Button
android:id="@+id/btn1"
android:layout_width="match_parent"
android:layout_height="70dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="70dp"
android:background="#434d23"
android:text="Ok To Continue"
android:onClick="frontt"
android:textColor="#a5c63b" />
<ImageView
android:id="@+id/imageView11"
android:layout_width="250dp"
android:layout_height="250dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:src="@drawable/question" />
<TextView
android:id="@+id/txtview11"
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="Loading..."
android:textSize="12dp" />
</RelativeLayout>
这是我的第二个 Activity Xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#a5c63b"
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=".MainActivity" >
<Button
android:id="@+id/btn"
android:layout_width="match_parent"
android:layout_height="70dp"
android:onClick="onClick"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="70dp"
android:background="#434d23"
android:text="OK"
android:textColor="#a5c63b" />
<EditText
android:id="@+id/txtedit"
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignLeft="@+id/button1"
android:layout_alignParentTop="true"
android:layout_marginTop="50dp"
android:background="#edf2db"
android:ems="10"
android:inputType="numberDecimal" />
<ImageView
android:id="@+id/imageView1"
android:layout_width="250dp"
android:layout_height="250dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:src="@drawable/question" />
<TextView
android:id="@+id/txtview"
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignBottom="@+id/txtedit"
android:layout_alignLeft="@+id/txtedit"
android:layout_marginBottom="21dp"
android:text="Guess Single Digit Number"
android:textSize="12dp" />
<TextView
android:id="@+id/txtview2"
android:layout_width="match_parent"
android:layout_height="20dp"
android:layout_alignLeft="@+id/btn"
android:layout_below="@+id/btn"
android:text="TextView" />
</RelativeLayout>
这是我的第一个java文件代码
package com.example.game;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.widget.Button;
public class MainActivity extends Activity {
MediaPlayer btnsound;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.front);
Button next = (Button) findViewById(R.id.btn1);
btnsound = MediaPlayer.create(MainActivity.this,R.raw.game);
btnsound.start();
next.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
Intent nextScreen = new Intent(getApplicationContext(), CopyOfMainActivity.class);
startActivity(nextScreen);
//finish();
}
} );
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
这是我的第二个java文件
package com.example.game;
import java.util.Random;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.app.Activity;
import android.view.Menu;
public class CopyOfMainActivity extends Activity {
MediaPlayer btnsound;
Random random = new Random();
int randnumber = random.nextInt(10);
Button b2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnsound = MediaPlayer.create(CopyOfMainActivity.this,R.raw.game);
btnsound.start();
b2= (Button) findViewById(R.id.btn);
b2.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
EditText input = (EditText)findViewById(R.id.txtedit);
TextView resultText = (TextView) findViewById(R.id.txtview2);
String inputstring = input.getText().toString();
int number = Integer.parseInt(inputstring);
if(randnumber==number)
{
resultText.setText("you win" );
ImageView image = (ImageView) findViewById(R.id.imageView1);
image.setImageResource(R.drawable.win);
}
else if (number>randnumber)
{
resultText.setText("you guess high number" );
ImageView image = (ImageView) findViewById(R.id.imageView1);
image.setImageResource(R.drawable.tryagain);
}
else if (number<randnumber)
{
resultText.setText("you guess low number" );
ImageView image = (ImageView) findViewById(R.id.imageView1);
image.setImageResource(R.drawable.lose);
}
}
} );
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
我在第一个 Activity xml 布局上有一个按钮。第一个 Activity 布局在运行应用程序后显示，但每当我单击第一个 xml 上的按钮时，首先要在单击后继续下一个布局，然后此错误显示在 LogCat 选项卡中，并且应用程序停止工作。
AndroidRuntime位于dalvik.system.NativeStart.main（本机方法）
我该做什么？
