android实现程序自动升级到安装示例分享(下载android程序安装包)

//程序下载升级zhouxiang
@JavascriptInterface
publicvoidUpdateCAECP(finalStringpath){
try{
AlertDialog.Builderbuilder=newBuilder((Context)obj);
builder.setMessage(“检测到有新版本发布,是否进行下载升级?”);
builder.setTitle("程序更新提示");
builder.setPositiveButton("升级",newOnClickListener(){
@Override
publicvoidonClick(DialogInterfacearg0,intarg1){
//TODOAuto-generatedmethodstub
m_pDialog=newProgressDialog((Context)obj);
m_pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
m_pDialog.setTitle("程序升级中");
m_pDialog.setMessage("正在下载最新版的CAECP,请等候…");
m_pDialog.setIcon(R.drawable.ic_launcher);
m_pDialog.setProgress(100);
m_pDialog.setIndeterminate(false);
//设置ProgressDialog是否可以按退回按键取消
m_pDialog.setCancelable(true);
m_pDialog.show();
newCAECP_DownloadFile(m_pDialog,(Context)obj).execute(path);
}
});
builder.setNegativeButton("取消",newOnClickListener(){
@Override
publicvoidonClick(DialogInterfacedialog,intwhich){
//TODOAuto-generatedmethodstub
dialog.dismiss();
}
});
builder.create().show();
}catch(Exceptione){
Alert("升级提示",e.getMessage(),"确认");
}
}