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Android 9 第一次开机联网检测系统升级
首先，在android 原生的设置中就已经有了ota联网升级的功能，可以仿照哪个做一个开机联网检测是否有新版本的功能，想法是在SystemUI 中增加，在第一次开机联网的时候检测更新
AndroidManifest.xml
增加权限diff --git a/frameworks/base/packages/SystemUI/AndroidManifest.xml b/frameworks/base/packages/SystemUI/AndroidManifest.xml old mode 100644 new mode 100755 index 5599b5a..e678030 --- a/frameworks/base/packages/SystemUI/AndroidManifest.xml +++ b/frameworks/base/packages/SystemUI/AndroidManifest.xml @@ -70,6 +70,7 @@ <uses-permission android:name="android.permission.REQUEST_NETWORK_SCORES" /> <uses-permission android:name="android.permission.CONTROL_VPN" /> <uses-permission android:name="android.permission.PEERS_MAC_ADDRESS"/> + <uses-permission android:name="android.permission.INTERNET" /> <!-- Physical hardware --> <uses-permission android:name="android.permission.MANAGE_USB" /> <uses-permission android:name="android.permission.CONTROL_DISPLAY_BRIGHTNESS" /> @@ -105,7 +106,6 @@ <!-- DreamManager --> <uses-permission android:name="android.permission.READ_DREAM_STATE" /> <uses-permission android:name="android.permission.WRITE_DREAM_STATE" /> <!-- Alarm clocks --> <uses-permission android:name="com.android.alarm.permission.SET_ALARM" /> @@ -229,6 +229,7 @@ android:theme="@style/Theme.SystemUI" android:defaultToDeviceProtectedStorage="true" android:directBootAware="true" + android:usesCleartextTraffic="true" android:appComponentFactory="android.support.v4.app.CoreComponentFactory"> <!-- Keep theme in sync with SystemUIApplication.onCreate(). Setting the theme on the application does not affect views inflated by services.- 1
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android:usesCleartextTraffic="true"表示是否打算使用明文网络流量，例如明文HTTP， Aandroid 9 及以上默认为false，推荐使用 HTTPS 加密的方式传输，更安全
NetworkControllerImpl.java
网络监听广播，监听到网络变化后，检测网络是否可用，可用检测是否有版本升级，有就弹出升级dialog
SystemProperties.set(“zwt.update.ischeck”, “1”); 是这只系统的变量，因为不是persist 或 ro 开头的变量，所以断电上电后这个属性就被删除了，达到开机只检测一次的目的diff --git a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/frameworks/base/packages/SystemUI/sr old mode 100644 new mode 100755 index b8d6f13..b65093c --- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java +++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java @@ -34,6 +34,8 @@ import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.os.PersistableBundle; +import android.os.Build; +import android.os.SystemProperties; import android.provider.Settings; import android.telephony.CarrierConfigManager; import android.telephony.ServiceState; @@ -58,6 +60,8 @@ import com.android.systemui.R; import com.android.systemui.settings.CurrentUserTracker; import com.android.systemui.statusbar.policy.DeviceProvisionedController.DeviceProvisionedListener; // Mediatek Android Patch Begin +import com.android.systemui.update.CheckoutUpdateVersion; +import com.android.systemui.update.UpdateVersionDialogImpl; import com.android.systemui.util.Utils; // Mediatek Android Patch End @@ -462,6 +466,17 @@ public class NetworkControllerImpl extends BroadcastReceiver break; case ConnectivityManager.CONNECTIVITY_ACTION: case ConnectivityManager.INET_CONDITION_ACTION: + // 2022 add update dialog start + Log.d(TAG,"##zwt_UpdateDialog## internet change,isCheck::"+("1".equals(SystemProperties.get("wssl.ischeck")))); + if (!("1".equals(SystemProperties.get("wssl.update.ischeck")))){ + if (isNetworkAvailable()){ + SystemProperties.set("zwt.update.ischeck", "1"); + CheckoutUpdateVersion checkoutUpdateVersion = new CheckoutUpdateVersion(new UpdateVersionDialogImpl(mContext).getHandler()); + Log.d(TAG,"##zwt_UpdateDialog## show dialog"); + checkoutUpdateVersion.checkout(); + } + } + // 2022 add update dialog end updateConnectivity(intent); break; // Mediatek Android Patch End @@ -1121,4 +1136,30 @@ public class NetworkControllerImpl extends BroadcastReceiver return config; } } + // 2022 add update dialog start + public boolean isNetworkAvailable(){ + ConnectivityManager connectivityManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); + if (connectivityManager == null){ + return false; + } + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){ + Network[] networks = connectivityManager.getAllNetworks(); + NetworkInfo networkInfo; + for (Network network : networks){ + networkInfo = connectivityManager.getNetworkInfo(network); + if (networkInfo.getState().equals(NetworkInfo.State.CONNECTED)) + return true; + } + }else { + NetworkInfo[] networkInfos = connectivityManager.getAllNetworkInfo(); + for (NetworkInfo networkInfo : networkInfos) { + if (networkInfo.getState() == NetworkInfo.State.CONNECTED) { + return true; + } + return true; + } + } + return false; + } + // 2022 add update dialog end }- 1
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后面是新增的弹出 dialog 文件，逻辑很简单不作解释
CheckoutUpdateVersion.java
package com.android.systemui.update; import android.content.Context; import android.os.Build; import android.os.Handler; import android.os.Message; import android.os.SystemProperties; import android.util.Log; import org.json.JSONException; import org.json.JSONObject; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; public class CheckoutUpdateVersion { private final String TAG = "CheckoutUpdateVersion"; Handler handler; public CheckoutUpdateVersion(Handler handler){ this.handler = handler; } private static final String JSON_URL = "填写ota服务器url"; public Boolean checkout(){ new Thread(new Runnable() { @Override public void run() { String jsonStr = getJsonString(); String updateVersion = getVersionInfo(jsonStr); if(checkVersion(updateVersion)){ Log.d(TAG,"has new version:"+updateVersion); Message msg = handler.obtainMessage(); msg.what = 1; msg.obj = updateVersion; handler.sendMessage(msg); } } }).start(); //checkVersion(getVersionInfo(getJsonString())); return true; } private String getJsonString(){ StringBuffer buffer = new StringBuffer(); HttpURLConnection httpUrlConnection = null; InputStream inputStream = null; BufferedReader bufferedReader = null; try { final String systemVersion = Build.VERSION.INCREMENTAL; final String systemDevice = SystemProperties.get("ro.product.device"); final String customerId = SystemProperties.get("ro.build.version.customerid"); // final String systemDevice = "mt5862_bga_1g"; String urlstr = JSON_URL + "?" + "version=" + systemVersion + "&" + "device=" + systemDevice + "&customer=" + customerId; Log.d(TAG, urlstr); URL url = new URL(urlstr); httpUrlConnection = (HttpURLConnection) url.openConnection(); httpUrlConnection.setRequestProperty("Content-Type", "text/json; charset=UTF-8"); httpUrlConnection.connect(); inputStream = httpUrlConnection.getInputStream(); bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "utf-8")); String line = ""; while ((line = bufferedReader.readLine()) != null) { buffer.append(line); } } catch (IOException e) { e.printStackTrace(); } finally { try { if (httpUrlConnection != null) httpUrlConnection.disconnect(); if (inputStream != null) inputStream.close(); if (bufferedReader != null) bufferedReader.close(); } catch (IOException e) { e.printStackTrace(); } } return buffer.toString(); } private String getVersionInfo(String jsonString) { String resultVersion = ""; try{ JSONObject jsonObject = new JSONObject(jsonString); resultVersion = jsonObject.getString("FW_VER"); } catch (JSONException e) { e.printStackTrace(); } return resultVersion; } private boolean checkVersion(String updateVersion){ String ignoreUpdateVersion = file2String("/mnt/sdcard/Android/ignoreUpdateVersion"); if (ignoreUpdateVersion.contains(updateVersion)){ Log.d(TAG, "ignore"); return false; } final String systemVersion = Build.VERSION.INCREMENTAL; if (systemVersion == null){ return false; } if (updateVersion != null && systemVersion.contains(".")) { if (updateVersion.compareTo(systemVersion) > 0) { return true; } else { return false; } } return false; } private String file2String(String ignoreUpdateVersionFile) { String content=""; File file = new File(ignoreUpdateVersionFile); if (!file.exists()) return "Unable to open file!"; try { InputStream inputStream = new FileInputStream(file); if (inputStream != null){ InputStreamReader reader = new InputStreamReader(inputStream,"GB2312"); BufferedReader bufferedReader = new BufferedReader(reader); String line; while ((line = bufferedReader.readLine()) != null){ content += line + "\n"; } inputStream.close(); } } catch (IOException e) { e.printStackTrace(); } return content; } }- 1
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UpdateVersionDialogImpl.java
package com.android.systemui.update; import android.annotation.SuppressLint; import android.app.AlertDialog; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.graphics.Color; import android.graphics.PixelFormat; import android.graphics.drawable.ColorDrawable; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.TextView; import com.android.systemui.R; import android.os.Environment; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.StringReader; import android.util.Log; import android.os.Handler; import android.os.Message; public class UpdateVersionDialogImpl { private CheckBox checkBox; private Button btnUpdate; private Button btnCancel; private TextView alertDialogTips; private final Context mContext; AlertDialog dialog; AlertDialog.Builder mbuilder; public UpdateVersionDialogImpl(Context context){ mContext = context; } @SuppressLint("SdCardPath") private void show(String updateVersion){ mbuilder = new AlertDialog.Builder(mContext); dialog = mbuilder.create(); Window mWindow = dialog.getWindow(); mWindow.requestFeature(Window.FEATURE_NO_TITLE); mWindow.setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); mWindow.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); mWindow.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED); mWindow.setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); final WindowManager.LayoutParams lp = mWindow.getAttributes(); lp.format = PixelFormat.TRANSLUCENT; lp.windowAnimations = -1; mWindow.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); mWindow.setBackgroundDrawableResource(R.drawable.dialog_background); dialog.setCanceledOnTouchOutside(true); mWindow.setAttributes(lp); dialog.show(); //View view = LayoutInflater.from(mContext).inflate(R.layout.system_update_dialog, null); //TextView tvTitle = (TextView) view.findViewById(R.id.alert_dialog_title); dialog.setContentView(R.layout.system_update_dialog); btnUpdate = dialog.findViewById(R.id.alert_dialog_button_update); btnCancel = dialog.findViewById(R.id.alert_dialog_button_cancel); checkBox = dialog.findViewById(R.id.alert_dialog_checkBox); alertDialogTips = dialog.findViewById(R.id.alert_dialog_tips); // dialog.show(); btnUpdate.setOnClickListener((View v)->{ Intent intent = new Intent(); ComponentName comp = new ComponentName("com.android.tv.settings", "com.android.tv.settings.update.SystemNetUpdateActivity"); intent.setComponent(comp); intent.putExtra("other", "true"); intent.setAction("android.intent.action.VIEW"); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); mContext.startActivity(intent); dialog.dismiss(); }); btnCancel.setOnClickListener((View v)->{ if (checkBox.isChecked()){ //string2File("aaa","/data/user/ignoreUpdateVersion"); string2File(updateVersion+"#","/mnt/sdcard/Android/ignoreUpdateVersion"); } dialog.dismiss(); }); checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (isChecked){//选中 btnUpdate.setEnabled(false); //alertDialogTips.setVisibility(View.VISIBLE); }else { //alertDialogTips.setVisibility(View.INVISIBLE); btnUpdate.setEnabled(true); } } }); } private boolean string2File(String res, String filePath) { boolean flag = true; BufferedReader bufferedReader = null; BufferedWriter bufferedWriter = null; try { File distFile = new File(filePath); if (!distFile.getParentFile().exists()){ distFile.getParentFile().mkdirs(); } bufferedReader = new BufferedReader(new StringReader(res)); bufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(distFile, true))); char buf[] = new char[1024]; int len; while ((len = bufferedReader.read(buf)) != -1) { bufferedWriter.write(buf, 0, len); } bufferedWriter.flush(); bufferedReader.close(); bufferedWriter.close(); } catch (IOException e) { e.printStackTrace(); flag = false; return flag; } finally { if (bufferedReader != null) { try { bufferedReader.close(); } catch (IOException e) { e.printStackTrace(); } } } return flag; } private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case 1: String updateVersion = (String) msg.obj; show(updateVersion); break; default: break; } } }; public Handler getHandler(){ return handler; } }- 1
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ComponentName comp = new ComponentName(“com.android.tv.settings”, “com.android.tv.settings.update.SystemNetUpdateActivity”);
是去调起系统的更新界面，也可以自己写服务后台下载升级，偷懒就直接调用系统的升级界面dialog_background.xml
<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android"> <solid android:color="#ffffff"/> <stroke android:width="2dp" android:color="#ffffff" /> <corners android:radius="30dp"/> </shape>- 1
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system_update_dialog.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="2dp"> <TextView android:id="@+id/alert_dialog_title" android:layout_width="match_parent" android:layout_height="wrap_content" android:textColor="#000000" android:textSize="23sp" android:text="@string/system_update_dialog_title" android:paddingTop="20dp" android:paddingBottom="10dp" android:paddingLeft="30dp" /> <TextView android:id="@+id/alert_dialog_message" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#FFFFFF" android:textColor="#171718" android:textSize="18sp" android:paddingLeft="20dp" android:layout_marginTop="10dp" android:layout_marginBottom="10dp" android:text="@string/system_update_dialog_message"/> <TextView android:id="@+id/alert_dialog_tips" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:text="将不会在收到这个版本的更新提示，可在设置中手动升级" android:layout_gravity="center" android:visibility="gone"/> <CheckBox android:id="@+id/alert_dialog_checkBox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:text="@string/system_update_dialog_ignore" android:checked="false" android:layout_gravity="right" android:layout_marginRight="30dp"/> <LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content" android:padding="2dp" android:gravity="right" android:layout_marginBottom="10dp"> <Button android:id="@+id/alert_dialog_button_cancel" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="20dp" android:text="@string/system_update_dialog_cancel" /> <Button android:id="@+id/alert_dialog_button_update" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity= "center" android:text="@string/system_update_dialog_update" android:layout_marginRight="30dp"/> </LinearLayout> </LinearLayout>- 1
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字符串的国际化的修改
diff --git a/frameworks/base/packages/SystemUI/res/values/strings.xml b/frameworks/base/packages/SystemUI/res/values/strings.xml old mode 100644 new mode 100755 index edf56af..9403469 --- a/frameworks/base/packages/SystemUI/res/values/strings.xml +++ b/frameworks/base/packages/SystemUI/res/values/strings.xml @@ -2243,4 +2243,12 @@ app for debugging. Will not be seen by users. [CHAR LIMIT=20] --> <string name="heap_dump_tile_name">Dump SysUI Heap</string> + + <!-- ota system update dialog --> + <string name="system_update_dialog_title">System Update</string> + <string name="system_update_dialog_message">A new version has been detected. Do you want to update it</string> + <string name="system_update_dialog_ignore">Ignore this version</string> + <string name="system_update_dialog_cancel">Cancel</string> + <string name="system_update_dialog_update">Update</string> + <!-- ota system update dialog --> </resources> diff --git a/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml b/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml old mode 100644 new mode 100755 index 3bf909b..a9b8b11 --- a/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml +++ b/frameworks/base/packages/SystemUI/res/values-zh-rCN/strings.xml @@ -854,4 +854,11 @@ <string name="open_saver_setting_action" msgid="8314624730997322529">"设置"</string> <string name="auto_saver_okay_action" msgid="2701221740227683650">"知道了"</string> <string name="heap_dump_tile_name" msgid="9141031328971226374">"转储 SysUI 堆"</string> + <!-- ota system update dialog --> + <string name="system_update_dialog_title">系统更新</string> + <string name="system_update_dialog_message">检测到新版本，是否更新</string> + <string name="system_update_dialog_ignore">忽略此版本</string> + <string name="system_update_dialog_cancel">取消</string> + <string name="system_update_dialog_update">更新</string> + <!-- ota system update dialog --> </resources>- 1
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注意，因为修改了AndroidManifest.xml 文件，单编过后复制到系统中时，需要将 oat 目录也一起复制过去，不然AndroidManifest.xml 文件没有替换，会报权限问题，至于单编systemui 编译不过这篇文章中有讲：https://blog.csdn.net/weixin_44128558/article/details/125396703
至此添加完成
记录：系统原生设置：
Settings\src\com\android\tv\settings\update\SystemNetUpdateActivity.java
从这个类的 onCreate 看起@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.system_net_update); findViews(); //初始化 checkStorage(); //检查空间是否充足，主要检查/cache 文件夹的空间是否充足，不充足则使用其他外部存储的空间 mCurrentProgress = 0; //当前下载进度为0 new Thread(new Runnable() { //http 请求为耗时操作，要放到线程中，不然报错 @Override public void run() { getVersionInfo(); // 获得远程升级包信息，通过http请求，并将返回的信息保存到 mVersionInfo 对象中 // check new version handler.sendEmptyMessage(CHECK_NEW_VERSION); //handler根据获得的版本号进行不同的逻辑显示 } }).start(); registerListeners(); //注册监听点击事件等 } //获得远程升级版本信息 private void getVersionInfo() { try { JSONObject jsonObject = new JSONObject(JSONData.getUpgradeInfo()); //http请求返回jason字符串 mVersionInfo.setVersion(jsonObject.getString("FW_VER")); //版本号 mVersionInfo.setUrl(jsonObject.getString("FW_URL")); //ota包下载URL mVersionInfo.setSize(jsonObject.getLong("size")); //ota包大小，用于校验 mVersionInfo.setMd5(jsonObject.getString("md5")); //ota包的MD5值，用于校验 } catch (JSONException e) { e.printStackTrace(); handler.sendEmptyMessage(CHECK_VERSION_FAIL); } }- 1
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通过 getVersionInfo() 方法中的 JSONData.getUpgradeInfo()；进行http请求，去获取服务器端的升级版本信息json字符串，并将相关的信息放到 mVersionInfo 对象中保存起来
Settings\src\com\android\tv\settings\update\JSONData.javaprivate static final String JSON_URL = "ota服务器地址"; private static String json_data = null; @SuppressLint("NewApi") private static String getJsonString(JSONObject json) { //请求json字符串 StringBuffer buffer = new StringBuffer(); HttpURLConnection httpUrlConnection = null; InputStream inputStream = null; BufferedReader bufferedReader = null; try { final String systemVersion = Tools.getSystemVersion(); final String systemDevice = SystemProperties.get("ro.product.device"); //获得版型 final String customerId = SystemProperties.get("ro.build.version.customerid"); //获得客户id String urlstr = JSON_URL + "?" + "version=" + systemVersion + "&" + "device=" + systemDevice + "&customer=" + customerId; //服务器根据传过来的systemVersion等信息查找相应的更新包，get方式传递参数给服务器 URL url = new URL(urlstr); Log.d(TAG, "json url, " + urlstr); httpUrlConnection = (HttpURLConnection) url.openConnection(); httpUrlConnection.setRequestProperty("Content-Type", "text/json; charset=UTF-8"); httpUrlConnection.connect(); Log.d(TAG, "response code, " + httpUrlConnection.getResponseCode()); inputStream = httpUrlConnection.getInputStream(); bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "utf-8")); String line = ""; while ((line = bufferedReader.readLine()) != null) { buffer.append(line); } } catch (Exception e) { e.printStackTrace(); } finally { try { if (httpUrlConnection != null) { httpUrlConnection.disconnect(); } if (inputStream != null) { inputStream.close(); } if (bufferedReader != null) { bufferedReader.close(); } } catch (Exception e) { e.printStackTrace(); } } Log.d(TAG, "buffer.toString, " + buffer.toString()); return buffer.toString(); } @SuppressLint("NewApi") public static String getUpgradeInfo() { if (json_data == null || json_data.isEmpty()){ //判断是否已经有保存的数据，避免重复请求 JSONObject json = new JSONObject(); json_data = getJsonString(json); //通过http协议请求 } return json_data; }- 1
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回到
Settings\src\com\android\tv\settings\update\SystemNetUpdateActivity.java请求成功后oCreate会调用到下面的地方// Handler private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case CHECK_STORAGE: checkStorage(); break; case CHECK_NEW_VERSION: //检查新版本 mHasNewVersion = checkUpdateVersion(); if (mHasNewVersion) { //当前系统版本为空或者有新版本，显示为 下载 按钮 mUpdateInfo += getString(R.string.new_version) + mNewVersion + "\n"; mUpdateInfoText.setText(mUpdateInfo); mUpdateButton.setText(getString(R.string.download)); mUpdateButton.setEnabled(true); } else { //版本校验失败，显示你的系统版本已经是最新 显示为 退出 按钮 mUpdateInfo += getString(R.string.latest) + "\n"; mUpdateInfoText.setText(mUpdateInfo); mUpdateButton.setText(getString(R.string.exit)); mUpdateButton.setEnabled(true); } break; case DOWNLOAD_ERROR: . . . default: break; } } }; private void init() { String directoryName = ""; mPackageSize = mVersionInfo.getSize(); //获得的升级包信息大小 long cacheFreeSize = getCacheFreeSize(); //获得catch 文件夹大小 if (cacheFreeSize > mPackageSize) { directoryName = "/cache/versioninfor"; } else { //获取根路径，优先外部存储 directoryName = Environment.getExternalStorageDirectory().toString() + "/versioninfor"; } Tools.string2File(JSONData.getUpgradeInfo(), directoryName); //将升级json写到本地 /cache/versioninfor } private boolean checkUpdateVersion() { init(); mNewVersion = mVersionInfo.getVersion(); // 获得升级的版本号 mPackageSize = mVersionInfo.getSize(); //获得升级包大小 mDownloadUrl = mVersionInfo.getUrl(); //获得下载的URL if (mDownloadUrl != null) { //通过SharedPreferences 存储升级信息 commitURLValue(DOWNLOAD_ADDRESS, mDownloadUrl); commitURLValue(VERSION, mNewVersion); commitURLValue(PACKAGE_SIZE, String.valueOf(mPackageSize)); } return checkVersion(); } private boolean checkVersion() { final String systemVersion = Tools.getSystemVersion(); //获取本机及其的内部版本号，Build.VERSION.INCREMENTAL; if (systemVersion == null) { //当前版本为空，请求的时候会传递过去，在服务器端处理，应该是下载默认的应用 mHasNewVersion = true; return mHasNewVersion; } if (systemVersion.equals(mNewVersion)) { //两个版本相同，显示已经是最新的版本 mHasNewVersion = false; return mHasNewVersion; } if (mNewVersion != null && systemVersion.contains(".")) { //判断版本大小，要大于当前版本 if (mNewVersion.compareTo(systemVersion) > 0) { mHasNewVersion = true; } else { mHasNewVersion = false; } } Log.d(TAG, "mHasNewVersion, " + mHasNewVersion); return mHasNewVersion; } private void commitURLValue(String key, String value) { SharedPreferences preference = getSharedPreferences(NAME, Context.MODE_PRIVATE); Editor edit = preference.edit(); edit.putString(key, value); edit.commit(); }- 1
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到这里http请求服务器查看有没有版本更新的代码就完成了，如果有新版本，按钮显示Download，没有新版本则提示已经是最新版本，按钮显示Exit
private void registerListeners() { mUpdateButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (mHasNewVersion) { //是否有新版本 if (!isNetConnected()) { //网络是否连接 Toast.makeText(SystemNetUpdateActivity.this, getString(R.string.not_network), Toast.LENGTH_SHORT).show(); return; } mUpdateInfo += getString(R.string.downloading) + "\n"; //Downloading new version...... mUpdateInfoText.setText(mUpdateInfo); mLayout.setVisibility(View.VISIBLE); //显示下载进度 Log.d(TAG, "downUrl, " + mVersionInfo.getUrl()); Log.d(TAG, "newVersion, " + mVersionInfo.getVersion()); Log.d(TAG, "size, " + mVersionInfo.getSize()); Intent intent = new Intent(SystemNetUpdateActivity.this, UpdateService.class); Bundle bundle = new Bundle(); bundle.putString("downUrl", mDownloadUrl); //传递下载的信息 bundle.putString("newVersion", mNewVersion); bundle.putString("size", String.valueOf(mPackageSize)); intent.putExtras(bundle); SystemNetUpdateActivity.this.startServiceAsUser(intent, UserHandle.CURRENT);//开启下载服务 mUpdateButton.setEnabled(false); //设置按钮不能点击 mUpdateButton.setText(getString(R.string.download_ing)); //Downloading } else if (mHasDownloaded) { //是否已经下载完成 mUpdateInfo += getString(R.string.check_package); mUpdateInfoText.setText(mUpdateInfo); mHasDownloaded = false; mLayout.setVisibility(View.VISIBLE); mUpdateButton.setEnabled(false); isUpdating = true; //表示正在更新 new UpdateSystemThread().start(); //开启线程，更新系统 } else { finish(); //退出应用 } } }); }- 1
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如果有新版本，当点击按钮的时候就会开启一个下载服务在后台下载，SystemNetUpdateActivity.this.startServiceAsUser(intent, UserHandle.CURRENT);
Settings\src\com\android\tv\settings\update\UpdateService.javapublic class UpdateService extends Service { private Handler mHandler = new Handler() { public void handleMessage(android.os.Message msg) { super.handleMessage(msg); Log.d(TAG, "mHandler msg " + msg.what); if (msg.what <= 100) { if (msg.what == 0) { // 准备下载 mNotification.contentView = mRemoteViews; mNotification.contentIntent = mPendingIntent; mNotificationManager.notify(DOWNLOADING, mNotification); } if (msg.what == 100) { //下载完成 commitPercentValue(PERCENT, 100); mNotificationManager.cancel(DOWNLOADING); mNotification.flags |= Notification.FLAG_AUTO_CANCEL; showNotification(R.drawable.appwidget_bg_holo, R.string.downloading, msg.what); } mRemoteViews.setTextViewText(R.id.task_percent, msg.what + "%"); mRemoteViews.setProgressBar(R.id.task_progressbar, 100, msg.what, false); sendPercentData(); //发送广播通知ui下载进度 } mNotification.contentView = mRemoteViews; mNotification.contentIntent = mPendingIntent; mNotificationManager.notify(DOWNLOADING, mNotification); //刷新通知显示 }; }; //下载错误时 private Handler mErrorHandler = new Handler() { public void handleMessage(Message msg) { super.handleMessage(msg); if (msg.what == DOWNLOAD_ERROR) { commitPercentValue(PERCENT, mDownloadPercent); onUpdateError(ERROR_DOWNLOAD); //此方法也是发送广播，通知ui下载异常 } }; }; @Override public IBinder onBind(Intent intent) { return null; } @Override public void onCreate() { super.onCreate(); mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); mDownloadPercent = 0; //下载百分比 showNotification(R.drawable.appwidget_bg_holo, R.string.downloading, mDownloadPercent);//定义通知，开启前台服务 Message msg = mHandler.obtainMessage(); msg.what = mDownloadPercent; mHandler.sendMessage(msg); // 发送handler DownloadPercent = 0 在handler中做一些初始化 } @Override public int onStartCommand(Intent intent, int flags, int startId) { mDownloadUrl = intent.getStringExtra("downUrl"); //获得传递过来的下载版本信息 mNewVersion = intent.getStringExtra("newVersion"); mSize = intent.getStringExtra("size"); Log.d(TAG, "UpdateService-downUrl, " + mDownloadUrl); Log.d(TAG, "UpdateService-newVersion, " + mNewVersion); Log.d(TAG, "UpdateService-mSize, " + mSize); startDownload(); //开始下载 return super.onStartCommand(intent, flags, startId); } /** * start download the update package. */ private void startDownload() { String directoryName = ""; long cacheFreeSize = getCacheFreeSize(); //获得cache目录剩余空间大小 if (cacheFreeSize > Long.parseLong(mSize)) { //判断下载的文件放到哪个位置 directoryName = "/cache/update_signed.zip"; } else { directoryName = Environment.getExternalStorageDirectory().toString() + "/update_signed.zip"; } // if ota upgrade package exited, delete it File f = new File(directoryName); if (f.exists()) { f.delete(); } // 下载监听 监听下载进度 IDownloadProgressListener downloadProgressListener = new IDownloadProgressListener() { @Override public void onDownloadSizeChange(int percent) { mDownloadPercent = percent; Log.d(TAG, "percent:" + percent); Message msg = mHandler.obtainMessage(); msg.what = percent; mHandler.sendMessage(msg); } }; //UpgradeTask 实现 Runnable UpgradeTask upgradeTask = new UpgradeTask(UpdateService.this, mDownloadUrl, directoryName, mNewVersion, downloadProgressListener, mErrorHandler); new Thread(upgradeTask).start(); //开启任务线程下载 } }- 1
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Settings\src\com\android\tv\settings\update\UpgradeTask.javapublic class UpgradeTask implements Runnable { @Override public void run() { prepare(); //准备 获得相关信息，下载地址版本和大小 int count = 20; int loop = 0; int res = -1; while(loop < count) //尝试20次下载 { res = download(); //开始下载 if (res == -1) { Log.d(TAG, "download failed"); mHandler.sendEmptyMessage(DOWNLOAD_ERROR); return; } else if ( res == -2) { loop++; Log.d(TAG, "download except, retry..."); continue; } else { return; } } }; private void prepare() { File file = new File(mLocalPath); if (!file.getParentFile().exists()) { //创建文件夹 file.getParentFile().mkdirs(); } String versionString = getStringData(VERSION); //获得要下载版本 if (versionString.equals(mVersion)) { mUpgradeURL = getStringData(DOWNLOAD_ADDRESS); mTotalSize = Long.parseLong(getStringData(PACKAGE_SIZE)); } else { Log.d(TAG, "delete file"); file.delete(); } } /* * @see * com.jrm.core.container.cmps.upgrade.task.BaseUpgradeTask#onDownload() */ protected int download() { File file = new File(mLocalPath); if (file.exists()) { //判断下载的文件是否存在 mDownloadedSize = file.length(); } else { mDownloadedSize = 0; } // check package whether be downloaded if (mDownloadedSize == mTotalSize && this.mDownloadProgressListener != null) { //对比两个文件大小，一样表示已经下载过，无需重新下载 mDownloadProgressListener.onDownloadSizeChange(100); //回调下载进度100% return 0; } else if (mDownloadedSize > mTotalSize) { if (!file.delete()) { return -1; } } Log.d(TAG, "==> mUpgradeURL, " + mUpgradeURL + " downloadedSize, " + mDownloadedSize); HttpURLConnection httpConnection = null; URL url = null; BufferedInputStream binStream = null; BufferedOutputStream boutStream = null; try { url = new URL(mUpgradeURL); httpConnection = (HttpURLConnection) url.openConnection(); httpConnection.setRequestMethod("GET"); httpConnection.setRequestProperty("Range", "bytes=" + mDownloadedSize + "-"); httpConnection.setRequestProperty("Connection", "close"); httpConnection.setReadTimeout(10*1000); httpConnection.connect(); Log.d(TAG, "response code, " + httpConnection.getResponseCode()); binStream = new BufferedInputStream(httpConnection.getInputStream()); boutStream = new BufferedOutputStream(new FileOutputStream(mLocalPath, true)); int offset = 0; int count = 0; int perUnit = (int) mTotalSize / 8192 / 100; byte[] buffer = new byte[8192]; while ((offset = binStream.read(buffer, 0, 8192)) != -1) { boutStream.write(buffer, 0, offset); count++; if (count == perUnit && mDownloadedSize < mTotalSize) { mDownloadPercent = (int) (mDownloadedSize * 100 / mTotalSize); if (this.mDownloadProgressListener != null) { mDownloadProgressListener.onDownloadSizeChange(mDownloadPercent); } count = 0; } mDownloadedSize += offset; } if (mDownloadedSize == mTotalSize && this.mDownloadProgressListener != null) { mDownloadProgressListener.onDownloadSizeChange(100); Log.d(TAG, "download finished."); return 0; } else { Log.d(TAG, "download error."); return -2; } } catch (Exception e) { e.printStackTrace(); return -2; } finally { try { if (binStream != null) { binStream.close(); } if (httpConnection != null) { httpConnection.disconnect(); } if (boutStream != null) { boutStream.close(); } } catch (Exception e) { e.printStackTrace(); } } } }- 1
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到这里，下载完成后会通知SystemNetUpdateActivity.java 下载的进度为100%，SystemNetUpdateActivity.java会更新ui，将button显示的字符更改为update，当用户点击按钮时，就 new UpdateSystemThread().start(); 去更新系统
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- 原文地址：https://blog.csdn.net/weixin_44128558/article/details/125552640
