安卓

import android.app.Activity;import android.app.AlertDialog;import android.app.Dialog;import android.app.ProgressDialog;import android.content.DialogInterface;import android.os.Bundle;import android.texthod.ScrollingMovementMethod;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.AdapterView.OnItemSelectedListener;import android.widget.Button;import android.widget.SeekBar;import android.widget.SeekBar.OnSeekBarChangeListener;import android.widget.Spinner;import android.widget.TextView;import android.widget.Toast;

public class Hello extends Activity { private Button btn_long = null; private Button btn_short = null;

@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 生命周期方法 super.setContentView(R.layout.main); // 设置要使用的布局管理器 this.btn_long = (Button) super.findViewById(R.id.btn_long); this.btn_short = (Button) super.findViewById(R.id.btn_short); this.btn_long.setOnClickListener(new OnClickListenerLong()); this.btn_short.setOnClickListener(new OnClickListenerShort()); }

private class OnClickListenerLong implements OnClickListener {

public void onClick(View view) { Toast.makeText(Hello.this, "长时间显示Toast提示信息框", Toast.LENGTH_LONG) .show();

}

}

private class OnClickListenerShort implements OnClickListener {

public void onClick(View view) { Toast.makeText(Hello.this, "短时间显示Toast提示信息框", Toast.LENGTH_SHORT) .show();

}

}}