Dan*_*ick 13

首先将适当的导入添加到您的Activity:

import android.widget.Button;
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然后在onCreate方法中创建一个新的按钮对象:

Button myButton = new Button(this);
myButton.setText("Press Me");
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最后将按钮添加到布局:

LinearLayout layout = (LinearLayout) findViewById(R.id.layout1);
layout.addView(myButton);
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