Android 通过OKhttp3进行下载实现版本更新

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* Android

通过OKhttp3进行下载实现版本更新

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一：配置：
build:

implementation 'com.squareup.okhttp3:okhttp:3.8.1'
    implementation 'com.squareup.okio:okio:1.7.0'

这个是我的版本，根据自己项目调整。

**AndroidManifest.xml:**

    <uses-permission android:name="android.permission.INTERNET" />
       <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

二：代码:
首先是更新实体Bean-UpdateBean:

package com.ma.update;

public class UpdateBean {
    private String title;
    private String message;
    private int versionCode;
    private String versionName;
    private String url;

    public String getVersionName() {
        return versionName;
    }

    public void setVersionName(String versionName) {
        this.versionName = versionName;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public int getVersionCode() {
        return versionCode;
    }

    public void setVersionCode(int versionCode) {
        this.versionCode = versionCode;
    }
}

网络工具类：

 /**
     * 下载apk
     */
    public static void httpDownLoadApk(String url, Context context, Map BodyParams, okhttp3.Callback callback) {
        // 打印日志
        getHttpUrl(url, BodyParams);
        OkHttpClient  mOkHttpClient = builder.build();
        Request request = new Request.Builder()
                .url(url)
                .build();
        Call call = mOkHttpClient.newCall(request);
        call.enqueue(callback);

    }

更新对话框：

**package com.ma.update;
import android.app.Dialog;
import android.content.Context;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
/**
 * Created by mjm on 2017/5/17.
 * 更新对话框
 */
public class UpdateDialog extends Dialog implements View.OnClickListener {
    private UpdateDialogOperate aDialogOperate; // 操作接口
    private Context context;
    private TextView ver;
    private TextView content;
    private Button update_ok;
    private Button upadte_cancle;
    private UpdateBean upadtebean;
    private TextView tip;
    public UpdateDialog(Context context) {
        super(context, R.style.common_dialog);
        this.context = context;
        this.setContentView(R.layout.dialog_update);
        ver = (TextView) findViewById(R.id.update_ver);
        content = (TextView) findViewById(R.id.update_content);
        update_ok = (Button) findViewById(R.id.update_btn_ok);
        upadte_cancle = (Button) findViewById(R.id.update_btn_cancle);
        tip = (TextView) findViewById(R.id.update_tip);
        update_ok.setOnClickListener(this);
        upadte_cancle.setOnClickListener(this);
    }
    public void setData(UpdateBean upadtebean, boolean flag, UpdateDialogOperate aDialogOperate) {
        this.aDialogOperate = aDialogOperate;
        this.upadtebean = upadtebean;
        upadte_cancle.setVisibility(View.VISIBLE);
        tip.setVisibility(View.GONE);
        //关闭以后再说。。。
        upadte_cancle.setVisibility(View.GONE);
        update_ok.setVisibility(View.VISIBLE);
        ver.setText(upadtebean.getVersionName());
        content.setText(upadtebean.getMessage());
        this.setCancelable(false);
    }
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.update_btn_cancle:
                aDialogOperate.executeCancel("");
                break;
            case R.id.update_btn_ok:
                aDialogOperate.executeCommit("");
                break;
            default:
                break;
        }
    }
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        return super.onKeyDown(keyCode, event);
    }
}**

更新代码：

public static int UpdateVersion(final Context context, final UpdateBean updateBean) {
        String packageName = context.getPackageName();
        int nowCode = getVersionCode(context);//手机端的版本
        int newCode = updateBean.getVersionCode();
        if (nowCode < newCode) {//小于最新版本号
            checkPermission(context, updateBean);
        } else {
            Log.e("MA", "已经是最新版本");
//            ToastUtils.showMessage("已经是最新的版本");
        }
        return 0;
    }

    public static void checkPermission(final Context context, final UpdateBean updateBean) {
        if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE)
                != PackageManager.PERMISSION_GRANTED) {
            //申请WRITE_EXTERNAL_STORAGE权限
            ActivityCompat.requestPermissions((MainActivity) context, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
                    1000);
            return;
        } else {
            showUpdateDialog(context, updateBean);
            //
        }
    }

    public static void showUpdateDialog(final Context context, final UpdateBean updateBean) {
        final UpdateDialog updateDialog = new UpdateDialog(context);
        updateDialog.setData(updateBean, true, new UpdateDialogOperate() {
            @Override
            public void executeCancel(String text) {
                updateDialog.cancel();
            }

            @Override
            public void executeCommit(String text) {
                downFile(updateBean.getUrl(), context);
                updateDialog.cancel();
            }
        });
        updateDialog.show();
    }

适配7.0安装：

public static void installApk(File file, Context context) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        if (Build.VERSION.SDK_INT > 23) { 
            Uri apkUri =
                    FileProvider.getUriForFile(context, "**包名**.fileprovider", file);
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.setDataAndType(apkUri, "application/vnd.android.package-archive");
        } else {
            intent.setDataAndType(Uri.fromFile(file),
                    "application/vnd.android.package-archive");
        }
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);

    }

AndroidManifase.xml:

"android.support.v4.content.FileProvider"
            android:authorities="包名".fileprovider"
            android:exported="false"
            android:grantUriPermissions="true">
            "
                android:resource="@xml/filepaths" />
        

Demo下载
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