版本更新

来源：互联网发布：淘宝综合评分500 编辑：程序博客网时间：2024/05/10 13:31

Manifest添加权限

<uses-permission android:name="android.permission.INTERNET"/><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/><uses-permission android:name="android.permission.MEDIA_CONTENT_CONTROL"/><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

x.utils、gson jar包

@ContentView(R.layout.activity_main)public class MainActivity extends AppCompatActivity {    private static final String TAG = "MainActivity";    private String targetPath = "";    private ProgressDialog progressDialog;    private Nows.ResultBean result1;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        x.view().inject(this);        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {            File file = Environment.getExternalStorageDirectory();            targetPath = file.getAbsolutePath() + File.separator;        }        progressDialog = new ProgressDialog(this);        progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);    }    @Event(R.id.btn_version)    private void btnChick(View v) {        chenckVerson();    }    private void chenckVerson() {        int versionCode = VersionUtil.getVersionCode(this);        RequestParams requestParams = new RequestParams("http://172.18.47.69/checkversion.php");        requestParams.addQueryStringParameter("version", String.valueOf(versionCode));        x.http().get(requestParams, new Callback.CommonCallback<String>() {            @Override            public void onSuccess(final String result) {                Gson gson = new Gson();                Nows nows = gson.fromJson(result, Nows.class);                //是否有更新                if (nows.isSuccess()) {                    //有更新                    result1 = nows.getResult();                    //如果是强制更新                    if (result1.isHas_new_version()) {                        if (result1.isMust_update()) {                            new AlertDialog.Builder(MainActivity.this).setTitle("版本更新").setMessage("升级到最新版本").setPositiveButton("确定", new DialogInterface.OnClickListener() {                                @Override                                public void onClick(DialogInterface dialog, int which) {                                    Log.e(TAG, "onClick: "+result1.getUrl() );                                    updateVersion(result1.getUrl());                                    dialog.dismiss();                                }                            }).setCancelable(false).create().show();                        } else {                            new AlertDialog.Builder(MainActivity.this).setTitle("版本更新").setMessage("是否要更新最新版本").setPositiveButton("确定", new DialogInterface.OnClickListener() {                                @Override                                public void onClick(DialogInterface dialog, int which) {                                    Toast.makeText(MainActivity.this,result1.getUrl(),Toast.LENGTH_SHORT).show();                                    updateVersion(result1.getUrl());                                    dialog.dismiss();                                }                            }).setNegativeButton("下次再说", new DialogInterface.OnClickListener() {                                @Override                                public void onClick(DialogInterface dialog, int which) {                                    dialog.dismiss();                                }                            }).create().show();                        }                    } else {                        Toast.makeText(MainActivity.this, "已经是最新版本", Toast.LENGTH_SHORT).show();                    }                }            }            @Override            public void onError(Throwable ex, boolean isOnCallback) {            }            @Override            public void onCancelled(CancelledException cex) {            }            @Override            public void onFinished() {            }        });    }    private void updateVersion(String url) {        targetPath = targetPath + System.currentTimeMillis() + ".apk";        RequestParams params = new RequestParams(url);        // 设置下载保存路径        params.setSaveFilePath(targetPath);        // xutils的文件下载        x.http().get(params, new Callback.ProgressCallback<File>() {            @Override            public void onSuccess(File result) {                if (progressDialog.isShowing()) {                    progressDialog.dismiss();                }                installApk(result);            }            @Override            public void onError(Throwable ex, boolean isOnCallback) {                if (progressDialog.isShowing()) {                    progressDialog.dismiss();                }                Log.e(TAG, "onError: "+ex.getMessage() );                Toast.makeText(MainActivity.this, "下载失败", Toast.LENGTH_SHORT).show();            }            @Override            public void onCancelled(CancelledException cex) {            }            @Override            public void onFinished() {            }            @Override            public void onWaiting() {            }            @Override            public void onStarted() {            }            @Override            public void onLoading(long total, long current, boolean isDownloading) {                if (isDownloading) {                    progressDialog.setMessage("正在下载...");                    progressDialog.show();                    progressDialog.setMax((int) total);                    progressDialog.setProgress((int) current);                }            }        });    }    /**     * 安装apk     *     * @param file     */    private void installApk(File file) {        Intent intent = new Intent();        intent.setAction(Intent.ACTION_VIEW);        intent.addCategory("android.intent.category.DEFAULT");        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);        intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");        startActivity(intent);        android.os.Process.killProcess(android.os.Process.myPid());    }}

public class Nows {    private boolean success;    private String message;    private ResultBean result;    public boolean isSuccess() {        return success;    }    public void setSuccess(boolean success) {        this.success = success;    }    public String getMessage() {        return message;    }    public void setMessage(String message) {        this.message = message;    }    public ResultBean getResult() {        return result;    }    public void setResult(ResultBean result) {        this.result = result;    }    public static class ResultBean {        /**         * has_new_version : true         * must_update : true         * url : http://169.254.149.71/download/jinritoutiao.apk         */        private boolean has_new_version;        private boolean must_update;        private String url;        public boolean isHas_new_version() {            return has_new_version;        }        public void setHas_new_version(boolean has_new_version) {            this.has_new_version = has_new_version;        }        public boolean isMust_update() {            return must_update;        }        public void setMust_update(boolean must_update) {            this.must_update = must_update;        }        public String getUrl() {            return url;        }        public void setUrl(String url) {            this.url = url;        }    }}

VersionUtil类

public class VersionUtil {    private static int versionCode=0;    public static int getVersionCode(Context context){        try {            PackageManager packageManager=context.getPackageManager();            String packageName = context.getPackageName();            PackageInfo packageInfo = packageManager.getPackageInfo(packageName, 0);            versionCode = packageInfo.versionCode;        } catch (Exception e) {            e.printStackTrace();        }        return versionCode;    }}

BaseApplication类

public class BaseApplication extends Application {    @Override    public void onCreate() {        super.onCreate();        x.Ext.init(this);        x.Ext.setDebug(BuildConfig.DEBUG);    }}

修改ip地址，将apk复制到download中，修改download和.php的名称，保持一致

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