Progress进度条的实现
扫描二维码
随时随地手机看文章
package com.example.administrator.progressbar;
import android.app.ActionBar;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Property;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.Toast;
public class MainActivity extends Activity implements Button.OnClickListener{
private ProgressBar progressBar;
private Button btn_add;
private Button btn_sub;
private Button btn_reset;
private Button btn_dialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/**
* actionBar 进度条
*/
// 1、设置窗口特征
requestWindowFeature(Window.FEATURE_PROGRESS); //进度条
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); //loading
setContentView(R.layout.activity_main);
// 2、显示进度条
setProgressBarVisibility(true);
// 2、显示loading
setProgressBarIndeterminateVisibility(true);
setProgress(Window.PROGRESS_END / 2); //进度条长度为50% 最大为 10000
/**
* 进度条组件
*/
// 1、
progressBar = (ProgressBar)findViewById(R.id.progressBar4);
btn_add = (Button)findViewById(R.id.btn_add);
btn_sub = (Button)findViewById(R.id.btn_sub);
btn_reset = (Button)findViewById(R.id.btn_reset);
btn_add.setOnClickListener(this);
btn_sub.setOnClickListener(this);
btn_reset.setOnClickListener(this);
/**
* 进度条对话框
*/
btn_dialog = (Button)findViewById(R.id.btn_dialog);
btn_dialog.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ProgressDialog progressBar_dialog = new ProgressDialog(MainActivity.this);
progressBar_dialog.setTitle("进度条对话框");
progressBar_dialog.setMessage("进度条对话框描述");
progressBar_dialog.setIcon(R.mipmap.ic_launcher);
progressBar_dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
//这里不使用 setProgress、setSecondaryProgress 因为只会改变进度条 不会改变进度条下面的百分比文字
progressBar_dialog.incrementProgressBy(50);
progressBar_dialog.incrementSecondaryProgressBy(80);
progressBar_dialog.setMax(100);
progressBar_dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "点击了确定", Toast.LENGTH_SHORT).show();
}
});
//不允许通过返回键关闭dialog 默认为 true
progressBar_dialog.setCancelable(false);
progressBar_dialog.show();
}
});
}
@Override
public void onClick(View v) {
int _progress = progressBar.getProgress();
int _second_progress = progressBar.getSecondaryProgress();
switch (v.getId()){
case R.id.btn_add:
progressBar.incrementProgressBy(10);
progressBar.incrementSecondaryProgressBy(10);
break;
case R.id.btn_sub:
progressBar.setProgress(_progress - 10);
progressBar.setSecondaryProgress(_second_progress - 10);
break;
case R.id.btn_reset:
progressBar.setProgress(50);
progressBar.setSecondaryProgress(80);
break;
}
}
}ActivityMain.xml
Progress_style.xml





