安卓 app 本地升級下載後自動安裝(小米手機安裝包解析失敗問題)
阿新 • • 發佈：2019-02-01
強制升級：
1.新建服務
package com.jy.mango.project.service; import android.app.DownloadManager; import android.app.Service; import android.content.BroadcastReceiver; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; importandroid.database.Cursor; import android.net.Uri; import android.os.Binder; import android.os.Environment; import android.os.IBinder; import android.provider.MediaStore; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.util.Log; import android.util.LongSparseArray;import android.webkit.MimeTypeMap; import com.jy.mango.project.application.installutils.IOUtils; import com.jy.mango.project.application.installutils.InstallUtil; import com.jy.mango.project.application.installutils.SystemManager; import com.jy.mango.project.utils.T; import java.io.File; import java.io.IOException;import java.net.URI; import java.net.URISyntaxException; /** * Created by mango on 2017/11/6. */ public class UpdateService extends Service { private DownloadManager mDownloadManager; private DownloadBinder mBinder = new DownloadBinder(); private LongSparseArray<String> mApkPaths; private DownloadFinishReceiver mReceiver; @Override public void onCreate() { super.onCreate(); mDownloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); mApkPaths = new LongSparseArray<>(); //註冊下載完成的廣播 mReceiver = new DownloadFinishReceiver(); registerReceiver(mReceiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)); } @Nullable @Override public IBinder onBind(Intent intent) { return mBinder; } @Override public void onDestroy() { unregisterReceiver(mReceiver);//取消註冊廣播接收者 super.onDestroy(); } public class DownloadBinder extends Binder { /** * 下載 * @param apkUrl 下載的url */ public long startDownload(String apkUrl){ //點選下載 //刪除原有的APK IOUtils.clearApk(UpdateService.this,"app.apk"); //使用DownLoadManager來下載 DownloadManager.Request request = new DownloadManager.Request(Uri.parse(apkUrl)); //將檔案下載到自己的Download資料夾下,必須是External的 //這是DownloadManager的限制 File file = new File(getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS), "app.apk"); request.setDestinationUri(Uri.fromFile(file)); //新增請求 開始下載 long downloadId = mDownloadManager.enqueue(request); Log.d("DownloadBinder", file.getAbsolutePath()); mApkPaths.put(downloadId,file.getAbsolutePath()); return downloadId; } /** * 獲取進度資訊 * @param downloadId 要獲取下載的id * @return 進度資訊 max-100 */ public int getProgress(long downloadId) { //查詢進度 DownloadManager.Query query = new DownloadManager.Query() .setFilterById(downloadId); Cursor cursor = null; int progress = 0; try { cursor = mDownloadManager.query(query);//獲得遊標 if (cursor != null && cursor.moveToFirst()) { //當前的下載量 int downloadSoFar = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR)); //檔案總大小 int totalBytes = cursor.getInt(cursor.getColumnIndexOrThrow(DownloadManager.COLUMN_TOTAL_SIZE_BYTES)); progress = (int) (downloadSoFar * 1.0f / totalBytes * 100); } } finally { if (cursor != null) { cursor.close(); } } return progress; } } //下載完成的廣播 private class DownloadFinishReceiver extends BroadcastReceiver{ @Override public void onReceive(Context context, Intent intent) { //下載完成的廣播接收者 long completeDownloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1); String apkPath = mApkPaths.get(completeDownloadId); Log.d("DownloadFinishReceiver", apkPath); if (!apkPath.isEmpty()){ SystemManager.setPermission(apkPath);//提升讀寫許可權,否則可能出現解析異常 InstallUtil.install(context,apkPath); }else { Log.e("DownloadFinishReceiver", "apkPath is null"); } } } }
2.配置manifest檔案
<service android:name=".UpdateService"/> <provider android:name="android.support.v4.content.FileProvider" android:authorities="包名" android:grantUriPermissions="true" android:exported="false"> <!--元資料--> <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/file_path" /> </provider>
3.指定path
在res下新建資料夾xml 新建xml檔案命名為path
<?xml version="1.0" encoding="utf-8"?> <resources xmlns:android="http://schemas.android.com/apk/res/android"> <paths> <external-path path="" name="download"/> </paths> </resources>
4. 啟動服務下載檔案
private UpdateService.DownloadBinder mDownloadBinder; private ServiceConnection mConnection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName name, IBinder service) { mDownloadBinder = (UpdateService.DownloadBinder) service; } @Override public void onServiceDisconnected(ComponentName name) { mDownloadBinder = null; } };
啟動服務
Intent intent = new Intent(this, UpdateService.class); startService(intent); bindService(intent, mConnection, BIND_AUTO_CREATE);//繫結服務
開始下載if (mDownloadBinder != null) { long downloadId = mDownloadBinder.startDownload(serviceUrl); startCheckProgress(downloadId); dialog.dismiss(); }監聽下載
//開始監聽進度 private void startCheckProgress(long downloadId) { Observable .interval(100, 200, TimeUnit.MILLISECONDS, Schedulers.io())//無限輪詢,準備查詢進度,在io執行緒執行 .filter(times -> mDownloadBinder != null) .map(i -> mDownloadBinder.getProgress(downloadId))//獲得下載進度 .takeUntil(progress -> progress >= 100)//返回true就停止了,當進度>=100就是下載完成了 .distinct()//去重複 .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .subscribe(new ProgressObserver()); } //觀察者 private class ProgressObserver implements Observer<Integer> { @Override public void onSubscribe(Disposable d) { } @Override public void onNext(Integer progress){//設定進度 } @Override public void onError(Throwable throwable) { throwable.printStackTrace(); Toast.makeText(MainActivity.this, "出錯", Toast.LENGTH_SHORT).show(); } @Override public void onComplete() { Toast.makeText(MainActivity.this, "下載完成", Toast.LENGTH_SHORT).show(); } }
5. 修改檔案許可權，並且在下載完成後刪除檔案，關閉檔案流
class SystemManager { /** * 應用程式執行命令獲取 Root許可權，裝置必須已破解(獲得ROOT許可權) * * @param command 命令：String apkRoot="chmod 777 "+getPackageCodePath(); * @return 0 命令執行成功 */ public static int RootCommand(String command) { Process process = null; DataOutputStream os = null; try { process = Runtime.getRuntime().exec("su"); os = new DataOutputStream(process.getOutputStream()); os.writeBytes(command + "\n"); os.writeBytes("exit\n"); os.flush(); int i = process.waitFor(); Log.d("SystemManager", "i:" + i); return i; } catch (Exception e) { Log.d("SystemManager", e.getMessage()); return -1; } finally { try { if (os != null) { os.close(); } process.destroy(); } catch (Exception e) { } } } /** * 提升讀寫許可權 * @param filePath 檔案路徑 * @return * @throws IOException */ public static void setPermission(String filePath) { String command = "chmod " + "777" + " " + filePath; Runtime runtime = Runtime.getRuntime(); try { runtime.exec(command); } catch (IOException e) { e.printStackTrace(); } }
關閉檔案流及成功後刪除APK檔案
IOUtils {
public static void closeIO(Closeable... closeables) {
if (closeables != null) {
for (Closeable closeable : closeables) {
if (closeable != null) {
try {
closeable.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
/**
* 刪除之前的apk
*
* @param apkName apk名字
* @return
*/
public static File clearApk(Context context, String apkName) {
File apkFile = new File(context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS), apkName);
if (apkFile.exists()) {
apkFile.delete();
}
return apkFile;
}
}
6.
OK啦！判斷許可權，並請求許可權，6.0儲存許可權要申請，解決拒絕後的閃退事件。
許可權判斷
@Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { if (requestCode == MY_PERMISSIONS_REQUEST_CALL_PHONE) { if (grantResults[0] == PackageManager.PERMISSION_GRANTED){ if (mDownloadBinder != null) { long downloadId = mDownloadBinder.startDownload(serviceUrl); startCheckProgress(downloadId); } } else{ T.showLong("該應用已被禁止儲存許可權" + "\n請在設定>許可權管理中授權"); alertDialog.show(); } return; } super.onRequestPermissionsResult(requestCode, permissions, grantResults); }