高级控件

信息提示框
在单击事件中：

public void onClick(View v) {
                Toast.makeText(本类名.this, "提示语", Toast.LENGTH_LONG).show();
                    //长时间显示的提示框（LENGTH_SHORT（短时间））
    }

警告框（AlertDialog）

Dialog ad = new AlertDialog.Builder(本类名.this)
        .setTitle("警告")        //显示标题
        .setIcon(R.drawable.icon1)    //drawable的id
        .setMessage("吸烟有害身体健康")    //显示信息
        .create();            //创建Dialog
ad.show();

对话框退出

Dialog ad = new AlertDialog.Builder(Tishi.this)
    .setTitle("程序退出")
    .setIcon(R.drawable.icon1)
    .setMessage("您确定要退出本程序吗？")
    .setPositiveButton("确定",new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            Tishi.this.finish();//退出程序
        }
    })
    .setNegativeButton("取消",new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
                                    
        }
    })
    .setNeutralButton("查看详情",new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
                                    
        }
    })
    .create();

手机按返回键退出

public boolean onKeyDown(int keyCode, KeyEvent event) {
    if(keyCode == KeyEvent.KEYCODE_BACK){//判断是否是返回键
        AlertDialog isExit = new AlertDialog.Builder(this)
            .setTitle("系统提示")
            .setMessage("确定要退出吗")
            .setPositiveButton("确定",new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    Tishi.this.finish();
                }
            })
            .setNegativeButton("取消",new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    
                }
            })
            .create(); 
        isExit.show();
    }
    return false;
}

进度处理对话框

public void onClick(View v) {
    final ProgressDialog proDig = ProgressDialog.show(Jindu.this,"搜索网络","请等待....");
        new Thread(){//线程对象
            public void run(){//线程主体
                try {
                    Thread.sleep(3000);//运行3秒后关闭对话框
                } catch (Exception e) {
                } finally{
                    proDig.dismiss();//关闭对话框
                }
            }
        }.start();
        proDig.show();
}

拖动条(SeekBar)

<SeekBar
      android:id="@+id/seekbar"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
/>

sk.setProgress(80);//设置默认位置
sk.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
    public void onStopTrackingTouch(SeekBar seekBar) {
        Jindu.this.tv.append("*** 停止拖动,当前值:"+seekBar.getProgress()+"
");
    }
    public void onStartTrackingTouch(SeekBar seekBar) {
        Jindu.this.tv.append("*** 开始拖动,当前值:"+seekBar.getProgress()+"
");
    }
    public void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {
        Jindu.this.tv.append("*** 正在拖动,当前值:"+seekBar.getProgress()+"
");
    }
});

滚动条视图（ScrollView）

<?xml version="1.0" encoding="utf-8"?>
<ScrollView
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="100dp">
  <LinearLayout
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:orientation="vertical"
  >
      <TextView
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="50dp"
          android:text="@string/hello"
      />
      <TextView
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="50dp"
          android:text="@string/hello"/>
      <TextView
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="50dp"
          android:text="@string/hello"/>
  </LinearLayout>
</ScrollView>