Android 进度条对话框ProgressDialog
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/progress" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="条形进度条" /> <Button android:id="@+id/circle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="圆形进度条" /> </LinearLayout>
package com.example.yanlei.my; import android.app.ProgressDialog; import android.content.DialogInterface; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import java.util.Calendar; import android.app.Activity; import android.app.DatePickerDialog; import android.app.Dialog; import android.app.TimePickerDialog; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.EditText; import android.widget.TimePicker; public class MainActivity extends AppCompatActivity { //声明按钮 private Button btnCircle=null; private Button btnProgress=null; //声明进度条对话框 private ProgressDialog pdDialog=null; //进度计数 int iCount = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btnCircle = (Button)findViewById(R.id.circle); btnProgress = (Button)findViewById(R.id.progress); //设置btnCircle的事件监听 btnCircle.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v){ iCount = 0; //创建ProgressDialog对象 pdDialog = new ProgressDialog(MainActivity.this); //设置进度条风格,风格为圆形,旋转的 pdDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); // 设置ProgressDialog 标题 pdDialog.setTitle("圆形进度条"); // 设置ProgressDialog 提示信息 pdDialog.setMessage("正在下载中……"); // 设置ProgressDialog 标题图标 pdDialog.setIcon(R.drawable.ic_launcher); // 设置ProgressDialog 进度条进度 pdDialog.setProgress(100); // 设置ProgressDialog 的进度条是否不明确 pdDialog.setIndeterminate(false); // 设置ProgressDialog 是否可以按退回按键取消 pdDialog.setCancelable(true); // 设置ProgressDialog 的一个Button pdDialog.setButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int i) { //点击“取消”按钮取消对话框 dialog.cancel(); } }); // 让ProgressDialog显示 pdDialog.show(); //创建线程实例 new Thread(){ public void run(){ try{ while (iCount <= 100) { // 由线程来控制进度。 pdDialog.setProgress(iCount ++); Thread.sleep(50); } pdDialog.cancel(); } catch (InterruptedException e){ pdDialog.cancel(); } } }.start(); } }); //设置btnProgress的事件监听 btnProgress.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { iCount = 0; // 创建ProgressDialog对象 pdDialog = new ProgressDialog(MainActivity.this); // 设置进度条风格,风格为长形 pdDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); // 设置ProgressDialog 标题 pdDialog.setTitle("条形进度条"); // 设置ProgressDialog 提示信息 pdDialog.setMessage("正在下载中……"); // 设置ProgressDialog 标题图标 pdDialog.setIcon(R.drawable.ic_launcher); // 设置ProgressDialog 进度条进度 pdDialog.setProgress(100); // 设置ProgressDialog 的进度条是否不明确 pdDialog.setIndeterminate(false); // 设置ProgressDialog 是否可以按退回按键取消 pdDialog.setCancelable(true); // 让ProgressDialog显示 pdDialog.show(); //创建线程实例 new Thread(){ public void run(){ try{ while (iCount <= 100) { // 由线程来控制进度。 pdDialog.setProgress(iCount ++); Thread.sleep(50); } pdDialog.cancel(); } catch (InterruptedException e){ pdDialog.cancel(); } } }.start(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }