グローバル変数を使いたい

###前提・実現したいこと

グローバル変数を使ってデータのやり取りをしたい。

###発生している問題・エラーメッセージ

エラーはないですが、エミュレータを使って動かすと強制終了する。

###該当のソースコード

manifests.xml

XMl
1<?xml version="1.0" encoding="utf-8"?>
2<manifest xmlns:android="http://schemas.android.com/apk/res/android"
3    package="numa.jyanken">
4
5    <application
6        android:allowBackup="true"
7        android:icon="@drawable/icon"
8        android:label="@string/app_name"
9        android:roundIcon="@drawable/icon"
10        android:supportsRtl="true"
11        android:theme="@style/AppTheme"
12        android:name=".Globals">
13        <activity android:name=".JyankenActivity"
14            android:label="@string/app_name">
15            <intent-filter>
16                <action android:name="android.intent.action.MAIN" />
17
18                <category android:name="android.intent.category.LAUNCHER" />
19            </intent-filter>
20        </activity>
21        <activity android:name=".KekkaActivity"
22            android:label="@string/app_name">
23        </activity>
24
25        <activity android:name=".KekkaActivity2"
26            android:label="@string/app_name">
27        </activity>
28
29        <activity android:name=".KekkaActivity3"
30            android:label="@string/app_name">
31        </activity>
32
33
34    </application>
35
36</manifest>

Globals.Java

Java
1package numa.jyanken;
2
3import android.app.Application;
4
5/**
6 * Created by user on 2017/04/30.
7 */
8
9public class Globals extends Application {
10
11    int i=0; //使う
12    int p;
13    int syouritu;
14
15}

KekkaActivity.Java

Java
1package numa.jyanken;
2
3import android.app.Activity;
4import android.content.Intent;
5import android.os.Bundle;
6import android.util.Log;
7import android.view.View;
8import android.widget.Button;
9import android.widget.ImageView;
10import android.widget.TextView;
11
12/**
13 * Created by user on 2017/04/26.
14 */
15
16public class KekkaActivity extends Activity {
17
18    @Override
19    protected void onCreate(Bundle savedInstanceState) {
20        super.onCreate(savedInstanceState);
21        setContentView(R.layout.kekka);
22        final ImageView imageView1 = (ImageView) findViewById(R.id.imageView);
23        final ImageView imageView2 = (ImageView) findViewById(R.id.imageView2);
24        Dousa dousa = new Dousa();
25        final TextView textview = (TextView) findViewById(R.id.textView1);
26        final TextView textview2 = (TextView) findViewById(R.id.textView2);
27        final TextView textview3 = (TextView) findViewById(R.id.textView3);
28
29        Globals globals=(Globals)this.getApplication(); //インスタンス化
30
31        dousa.judge();
32
33        int Myplayer=0;
34        int Youplayer = dousa.player[1];
35        int Myhand = R.string.gu;
36        int Hikiwake = R.string.hikiwake;
37        int Lose = R.string.lose;
38        int Win = R.string.win;
39        int Youhand = dousa.hand;
40
41        if (Myplayer - Youplayer == 0) {
42            imageView1.setImageResource(R.drawable.gu);
43            imageView2.setImageResource(R.drawable.gu);
44            textview2.setText(Myhand);
45            textview3.setText(Youhand);
46            textview.setText(Hikiwake);
47            TextView textView4 = (TextView)findViewById(R.id.text);
48            textView4.setText(globals.i); //表示
49        } else if (Myplayer - Youplayer == -2) {
50            imageView1.setImageResource(R.drawable.gu);
51            imageView2.setImageResource(R.drawable.pa);
52            textview2.setText(Myhand);
53            textview3.setText(Youhand);
54            textview.setText(Lose);
55            TextView textView4 = (TextView)findViewById(R.id.text);
56            textView4.setText(globals.i); //表示
57        } else if (Myplayer - Youplayer == -1) {
58            globals.i=globals.i+1; //値を変える
59            imageView1.setImageResource(R.drawable.gu);
60            imageView2.setImageResource(R.drawable.cyoki);
61            textview2.setText(Myhand);
62            textview3.setText(Youhand);
63            textview.setText(Win);
64            TextView textView4 = (TextView)findViewById(R.id.text);
65            textView4.setText(globals.i); //表示
66        }
67
68
69        Button btn4 = (Button) findViewById(R.id.button);
70        btn4.setOnClickListener(new View.OnClickListener() {
71            @Override
72            public void onClick(View v) {
73                Intent intent = new Intent(KekkaActivity.this,JyankenActivity.class);
74                startActivity(intent);
75                finish();
76            }
77
78        });
79
80
81    }
82}
83