本文實(shí)例講述了Android開(kāi)發(fā)之ProgressDialog進(jìn)度對(duì)話框用法。分享給大家供大家參考,具體如下:
使用方法:
如果只是普通進(jìn)度對(duì)話框 | 直接調(diào)用ProgressDialog靜態(tài)方法 show() 即可 |
創(chuàng)建ProgressDialog | 調(diào)用方法進(jìn)行具體設(shè)置 |
setIndeterminate(false); | 設(shè)置進(jìn)度條是否顯示進(jìn)度 |
setMax(MAX_PROGRESS); | 設(shè)置進(jìn)度條的最大值 |
setMessage("..."); | 設(shè)置對(duì)話框執(zhí)行內(nèi)容 |
setProgressStyle(ProgressDialog.STYLE_HORIZONTAL) | 設(shè)置對(duì)話框進(jìn)度條風(fēng)格 |
setProgress() | 設(shè)置 進(jìn)度條內(nèi)的進(jìn)度值(當(dāng)前) |
效果:
代碼實(shí)現(xiàn):
主要是兩種類型
1.帶耗時(shí)操作 showIndeterminate
2.不帶耗時(shí)操作 showProgress
具體實(shí)現(xiàn):
public class MainActivity extends Activity { final static int MAX_PROGRESS = 100; //虛擬 填充長(zhǎng)度為100的數(shù)組 private int[] data = new int[50]; //記錄進(jìn)度對(duì)話框完成百分比 int progressStatus = 0; int hasDta = 0; ProgressDialog progressDialog01,progressDialog02; private Button buttonDate; private Button buttonTime; //創(chuàng)建一個(gè)負(fù)責(zé)更新進(jìn)度的Handler Handler mHandler = new Handler(){ @Override public void handleMessage(Message msg) { //表明消息是本程序發(fā)送的 if (msg.what == 0x111){ progressDialog02.setProgress(progressStatus); } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonDate = (Button) findViewById(R.id.dataBn); buttonTime = (Button) findViewById(R.id.timeBn); iniClick();//Binding the listeners for you program } public void showSpinner(View source){ //用靜態(tài)方法顯示環(huán)形進(jìn)度條 ProgressDialog.show(this,"任務(wù)執(zhí)行中","熱內(nèi)執(zhí)行中 請(qǐng)等待...",false,true); } public void showIndeterminate(View source){ progressDialog01 = new ProgressDialog(MainActivity.this); //設(shè)置對(duì)話框標(biāo)題 progressDialog01.setTitle("任務(wù)正在執(zhí)行中"); //設(shè)置對(duì)話框執(zhí)行內(nèi)容 progressDialog01.setMessage("任務(wù)正在執(zhí)行中敬請(qǐng)等待~~~"); //設(shè)置對(duì)話框“取消” 按鈕關(guān)閉 progressDialog01.setCancelable(true); //設(shè)置對(duì)話框進(jìn)度條風(fēng)格 progressDialog01.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); //設(shè)置進(jìn)度條是否顯示進(jìn)度 progressDialog01.setIndeterminate(true); progressDialog01.show(); } public void showProgress(View source){ //將進(jìn)度條完成重設(shè)為0 progressStatus = 0; //重新開(kāi)始填充數(shù)組 hasDta = 0; progressDialog02 = new ProgressDialog(MainActivity.this); progressDialog02.setMax(MAX_PROGRESS); //設(shè)置對(duì)話框標(biāo)題 progressDialog02.setTitle("任務(wù)正在執(zhí)行中"); //設(shè)置對(duì)話框執(zhí)行內(nèi)容 progressDialog02.setMessage("任務(wù)正在執(zhí)行中敬請(qǐng)等待~~~"); //設(shè)置對(duì)話框“取消” 按鈕關(guān)閉 progressDialog02.setCancelable(false); //設(shè)置對(duì)話框進(jìn)度條風(fēng)格 progressDialog02.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); //設(shè)置進(jìn)度條是否顯示進(jìn)度 progressDialog02.setIndeterminate(false); progressDialog02.show(); new Thread(){//模擬耗時(shí)操作 @Override public void run() { while (progressStatus < MAX_PROGRESS){ //bar1獲取完成工作的百分比 progressStatus += (int) (Math.random()*15); try{ Thread.sleep(1000); }catch (InterruptedException e){ e.printStackTrace(); } //更新ProgressBar mHandler.sendEmptyMessage(0x111); } //任務(wù)完成進(jìn)度條關(guān)閉 progressDialog02.dismiss(); } }.start(); } public void iniClick(){ //set listener for your Date button buttonDate.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { showIndeterminate(MainActivity.this.getWindow().getDecorView()); } }); //set listener for your Time button buttonTime.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { showProgress(MainActivity.this.getWindow().getDecorView()); } }); }}
以下是布局文件:
<?xml version="1.0" encoding="utf-8" ?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/idtatabHost" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:layout_weight="1"> <Button android:id="@+id/dataBn" android:text="一般進(jìn)度條" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /> <Button android:id="@+id/timeBn" android:text="帶耗時(shí)進(jìn)度條" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" /></LinearLayout>
希望本文所述對(duì)大家Android程序設(shè)計(jì)有所幫助。
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