cdzApp/app/src/main/java/com/electric/chargingpile/activity/AboutActivity.java

package com.electric.chargingpile.activity;

import android.Manifest;
import android.app.Activity;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.electric.chargingpile.R;
import com.electric.chargingpile.util.BarColorUtil;
import com.electric.chargingpile.util.ToastUtil;
import com.umeng.analytics.MobclickAgent;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

import pub.devrel.easypermissions.AfterPermissionGranted;
import pub.devrel.easypermissions.AppSettingsDialog;
import pub.devrel.easypermissions.EasyPermissions;

public class AboutActivity extends Activity implements OnClickListener, EasyPermissions.PermissionCallbacks {
    private ImageView ivBack, icon_scan;
    private TextView tvVersion, tv_banquan, tv_call, android;
    private String app_version;
    Context mContext;
    private static final int RC_CALL_PERM = 123;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_about);
        mContext = this;
        BarColorUtil.initStatusBarColor(AboutActivity.this);
        initView();
    }

    private void initView() {
        ivBack = (ImageView) findViewById(R.id.iv_back);
        ivBack.setOnClickListener(this);
        icon_scan = (ImageView) findViewById(R.id.icon_scan);
        icon_scan.setOnClickListener(this);
        tv_call = (TextView) findViewById(R.id.tv_call);
        tv_call.setOnClickListener(this);
        findViewById(R.id.tv_2).setOnClickListener(this);
        android = (TextView) findViewById(R.id.android);
        getVersion();
    }

    public void getVersion() {
        try {
            PackageManager manager = getApplication().getPackageManager();
            PackageInfo info = manager.getPackageInfo(getApplication().getPackageName(), 0);
            app_version = info.versionName;
//                  return this.getString(R.string.version_name) + version;
            android.setText("For Android V" + app_version);
        } catch (Exception e) {
            e.printStackTrace();
//                    return this.getString(R.string.can_not_find_version_name);
        }
    }

    @Override
    public void onClick(View v) {
        ClipboardManager cm = (ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
        switch (v.getId()) {
            case R.id.iv_back:
                finish();
                break;
            case R.id.tv_call:
//                telTask();
                ClipData cdzData = ClipData.newPlainText("Label", "chongdianzhuang2");
                cm.setPrimaryClip(cdzData);

                ToastUtil.showToast(getApplicationContext(), "微信号复制成功", Toast.LENGTH_SHORT);
                break;
            case R.id.tv_2:
                ToastUtil.showToast(getApplicationContext(), "微信号复制成功", Toast.LENGTH_SHORT);
                ClipData data = ClipData.newPlainText("Label", "firstev");
                cm.setPrimaryClip(data);
                break;

            case R.id.icon_scan:
                saveBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.icon_erweima));
                break;


        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        MobclickAgent.onResume(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        MobclickAgent.onPause(this);
    }


    public void saveBitmap(Bitmap mBitmap) {
        String dir_path = Environment.getExternalStorageDirectory() + File.separator + "D1ev/";
        File directory = new File(dir_path);
        File f = new File(directory, "erweima.png");
        try {
            if (!directory.exists()) {
                directory.mkdir();//没有目录先创建目录
            }
            f.createNewFile();
        } catch (IOException e) {
            // TODO Auto-generated catch block
        }
        FileOutputStream fOut = null;
        try {
            fOut = new FileOutputStream(f);
        } catch (Exception e) {
            e.printStackTrace();
        }
        mBitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut);
//        Log.e("!!!", "下载图片");
        Toast.makeText(AboutActivity.this, "保存成功", Toast.LENGTH_SHORT).show();
        try {
            fOut.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            fOut.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        MediaStore.Images.Media.insertImage(getContentResolver(), mBitmap, "", "");
        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        Uri uri = Uri.fromFile(new File(dir_path));
        intent.setData(uri);
        mContext.sendBroadcast(intent);
    }

    private void callPhoneShow() {
        new com.electric.chargingpile.view.AlertDialog(AboutActivity.this).builder()
                .setMsg("400-881-0405")
                .setPositiveButton("呼叫", new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        String telNum = "4008810405";
                        Intent intent = new Intent();
                        intent.setAction("android.intent.action.CALL");
                        intent.addCategory("android.intent.category.DEFAULT");
                        intent.setData(Uri.parse("tel:" + telNum));
                        AboutActivity.this.startActivity(intent);
                    }
                }).setNegativeButton("取消", new View.OnClickListener() {
            @Override
            public void onClick(View v) {

            }
        }).show();
    }

    @Override
    public void onPermissionsGranted(int requestCode, List<String> perms) {

    }

    @Override
    public void onPermissionsDenied(int requestCode, List<String> perms) {
        if (EasyPermissions.somePermissionPermanentlyDenied(this, perms)) {
            new AppSettingsDialog.Builder(AboutActivity.this,
                    "该功能需要开启拨号权限，是否前往开启？").build().show();
        }
    }

    private boolean hasCallPhonePermission() {
        return EasyPermissions.hasPermissions(this, Manifest.permission.CALL_PHONE);
    }

    @AfterPermissionGranted(RC_CALL_PERM)
    public void telTask() {
        if (hasCallPhonePermission()) {
            // Have permission, do the thing!
//            Toast.makeText(this, "TODO: Camera things", Toast.LENGTH_LONG).show();
            callPhoneShow();
        } else {
            // Ask for one permission
            EasyPermissions.requestPermissions(
                    this,
                    "该功能需要开启拨号权限，是否前往开启？",
                    RC_CALL_PERM,
                    Manifest.permission.CALL_PHONE);
        }
    }
}