質問編集履歴
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コード追加
test
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File without changes
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test
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@@ -2,4 +2,132 @@
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```java
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package com.example.test;
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import
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androidx.appcompat.app.AppCompatActivity;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Point;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.ViewGroup;
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import android.view.animation.Animation;
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import android.view.animation.RotateAnimation;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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public class MainActivity extends AppCompatActivity {
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MyView myView;
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Button btn;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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LinearLayout main=new LinearLayout(this);
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LinearLayout.LayoutParams mainparam=new
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LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
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ViewGroup.LayoutParams.MATCH_PARENT);
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main.setLayoutParams(mainparam);
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main.setBackgroundColor(Color.WHITE);
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main.setOrientation(LinearLayout.VERTICAL);
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LinearLayout.LayoutParams btnparam=new
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LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
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ViewGroup.LayoutParams.MATCH_PARENT,1.0f);
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myView = new MyView(this);
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myView.setLayoutParams(btnparam);
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btn=new Button(this);
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btn.setLayoutParams(btnparam);
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btn.setText(R.string.text4);
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btn.setBackgroundColor(Color.BLACK);
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btn.setOnClickListener(v->{
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this.tap();
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});
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main.addView(myView);
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main.addView(btn);
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setContentView(main);
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}
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void tap(){
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RotateAnimation ani =new RotateAnimation(0.0f,20000.0f,
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Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);
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ani.setDuration(5000);
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ani.setRepeatCount(0);
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ani.setFillAfter(true);
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myView.setAnimation(ani);
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}
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}
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```
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132
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5
133
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環境:Androidstdio
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