Android疑难杂症-控件任意拖动+点击监听

Android疑难杂症

实现代码(ImageView为例)

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package com.keqiang.highcloud.ui.widget;
  
import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.ViewGroup;
import android.widget.ImageView;
  
  
/**
 * Created by KID on 2017/11/14.
 * 随意拖动的view
 */
@SuppressLint("AppCompatCustomView")
public class DragView extends ImageView {
  
    private int width;
    private int height;
    private int screenWidth;
    private int screenHeight;
    private Context context;
  
    private boolean dragEnable = true;
    //是否拖动
    private boolean isDrag = false;
  
    public boolean isDrag() {
        return isDrag;
    }
  
    public boolean isDragEnable() {
        return dragEnable;
    }
  
    public void setDragEnable(boolean dragEnable) {
        this.dragEnable = dragEnable;
    }
  
    public DragView(Context context, AttributeSet attrs) {
        super(context, attrs);
        dragEnable = true;
        this.context = context;
    }
  
    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        width = getMeasuredWidth();
        height = getMeasuredHeight();
    }
  
    private float downX;
    private float downY;
  
    @Override
    public boolean onTouchEvent(MotionEvent event) {
        super.onTouchEvent(event);
        if (this.isEnabled()) {
            switch (event.getAction()) {
                case MotionEvent.ACTION_DOWN:
                    isDrag = false;
                    ViewGroup mViewGroup = (ViewGroup) getParent();
                    if (null != mViewGroup) {
                        screenWidth = mViewGroup.getWidth();
                        screenHeight = mViewGroup.getHeight();
                    }
                    downX = event.getX();
                    downY = event.getY();
                    break;
                case MotionEvent.ACTION_MOVE:
                    Log.e("kid", "ACTION_MOVE");
                    if (dragEnable) {
                        final float xDistance = event.getX() - downX;
                        final float yDistance = event.getY() - downY;
                        int l, r, t, b;
                        //当水平或者垂直滑动距离大于10,才算拖动事件
                        if (Math.abs(xDistance) > 10 || Math.abs(yDistance) > 10) {
                            Log.e("kid", "Drag");
                            isDrag = true;
                            l = (int) (getLeft() + xDistance);
                            r = l + width;
                            t = (int) (getTop() + yDistance);
                            b = t + height;
                            //不划出边界判断,此处应按照项目实际情况,因为本项目需求移动的位置是手机全屏,
                            // 所以才能这么写,如果是固定区域,要得到父控件的宽高位置后再做处理
                            if (l < 0) {
                                l = 0;
                                r = l + width;
                            } else if (r > screenWidth) {
                                r = screenWidth;
                                l = r - width;
                            }
                            if (t < 0) {
                                t = 0;
                                b = t + height;
                            } else if (b > screenHeight) {
                                b = screenHeight;
                                t = b - height;
                            }

                            this.layout(l, t, r, b);
                        }
                    }
                    break;
                case MotionEvent.ACTION_UP:
                    setPressed(false);
                    break;
                case MotionEvent.ACTION_CANCEL:
                    setPressed(false);
                    break;
            }
            return true;
        }
        return false;
    }
}
Android

Android常用代码-bugly集成

Android常用代码

集成bugly

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//bugly
compile 'com.tencent.bugly:crashreport:latest.release'

添加权限

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<!-- bugly start-->
<uses-permission android:name="android.permission.READ_LOGS" />
<!--bugly end-->

Application的onCreate方法中初始化

不带X5内核

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try {
    CrashReport.initCrashReport(this, "你的appID", false);
} catch (Exception e) {
    e.printStackTrace();
}

带X5内核

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/*bugly+x5内核*/
try {
    CrashReport.UserStrategy strategy = new CrashReport.UserStrategy(this);
    strategy.setCrashHandleCallback(new CrashReport.CrashHandleCallback() {
        public Map onCrashHandleStart(int crashType, String errorType, String errorMessage, String errorStack) {
            LinkedHashMap map = new LinkedHashMap();
            String x5CrashInfo = com.tencent.smtt.sdk.WebView.getCrashExtraMessage(GFApplication.this);
            map.put("x5crashInfo", x5CrashInfo);
            return map;
        }
  
        @Override
        public byte[] onCrashHandleStart2GetExtraDatas(int crashType, String errorType, String errorMessage, String errorStack) {
            try {
                return "Extra data.".getBytes("UTF-8");
            } catch (Exception e) {
                return null;
            }
        }
    });
    CrashReport.initCrashReport(this, "你的appID", false, strategy);
} catch (Exception e) {
    e.printStackTrace();
}
Android

Android签名打包-多渠道打包

Android签名打包

复制libs

  • common
  • analytics

集成友盟+ App统计功能

在Application的onCreate方法中调用

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/**
 * 初始化common库
 * 参数1:上下文，不能为空
 * 参数2:设备类型，UMConfigure.DEVICE_TYPE_PHONE为手机、UMConfigure.DEVICE_TYPE_BOX为盒子，默认为手机
 * 参数3:Push推送业务的secret
 */
try {
    UMConfigure.init(this, UMConfigure.DEVICE_TYPE_PHONE, "你的appID");
} catch (Exception e) {
    e.printStackTrace();
}

添加相应权限

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<!-- 必须的权限 -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
  
<!-- 推荐的权限 -->
<!-- 添加如下权限，以便使用更多的第三方SDK和更精准的统计数据 -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

配置渠道

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<manifest>
    <application ……>
        ……
        <!--umeng start-->
        <meta-data android:value="你的AppID" android:name="UMENG_APPKEY"/>
        <meta-data android:value="${UMENG_CHANNEL_VALUE}" android:name="UMENG_CHANNEL"/>
        <!--umeng end-->
    </application>    
</manifest>

代码混淆

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keep class com.umeng.commonsdk.** {*;}

多渠道配置

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android {
    productFlavors {
        wandoujia {}
        yingyongbao {}
        c360 {}
        kq {}
        productFlavors.all { flavor ->
            flavor.manifestPlaceholders = [UMENG_CHANNEL_VALUE: name]
        }
    }
  
    applicationVariants.all { variant ->
        variant.outputs.each { output ->
            def outputFile = output.outputFile
            def fileName
            def flavor = productFlavors.name;
            if (outputFile != null && outputFile.name.endsWith('.apk')) {
                if (variant.buildType.name.equals('release')) {
                    fileName = "名字_${defaultConfig.versionName}_${flavor}.apk"
                } else if (variant.buildType.name.equals('debug')) {
                    fileName = "名字_${defaultConfig.versionName}_debug_${flavor}.apk"
                }
                output.outputFile = new File(outputFile.parent, fileName)
            }
        }
    }
}
Android

Android疑难杂症-ViewPager+分组列表+指示器悬停

Android疑难杂症

系统自带方案

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<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
  
    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
  
        <android.support.design.widget.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:expandedTitleMarginEnd="64dp"
            app:expandedTitleMarginStart="48dp"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">
  
            <ImageView
                android:id="@+id/main.backdrop"
                android:layout_width="wrap_content"
                android:layout_height="300dp"
                android:scaleType="centerCrop"
                android:src="@drawable/material_img"
                app:layout_collapseMode="parallax" />
  
            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?android:attr/actionBarSize"
                app:layout_collapseMode="pin"  />
  
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>
  
    <android.support.v4.widget.NestedScrollView
  
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="50dp"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">
  
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/my_txt"
            android:textSize="20sp" />
  
    </android.support.v4.widget.NestedScrollView>
  
</android.support.design.widget.CoordinatorLayout>

此方案不利于屏幕适配，故不采用。

查看更多
Android

Androidd开源控件-Glide

Android开源控件

Glide 4.3.1 (4.x用起来更麻烦了)

集成

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repositories {
  mavenCentral()
  maven { url 'https://maven.google.com' }
}

dependencies {
  compile 'com.github.bumptech.glide:glide:4.3.1'
  annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1'
}
查看更多
Android

Android常用代码-App更新

Android常用代码

APP更新逻辑

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private void checkUpdate() {
    String key = SpUtil.getKey();

    Api.getApi0()
            .CheckUpdate(key, SystemUtil.getPackageInfo(this).versionCode)
            .compose(RxHelper.<CheckUpdateResult>io_main())
            .subscribe(new Subscriber<CheckUpdateResult>() {
                @Override
                public void onCompleted() {
  
                }
  
                @Override
                public void onError(Throwable e) {

                }

                @Override
                public void onNext(CheckUpdateResult checkUpdateResult) {
                    if (checkUpdateResult.getCode() == 1) {
                        CheckUpdateResult.DataEntity data = checkUpdateResult.getData();
                        showUpdate(data);
                    }
                }
            });
}
  
private void showUpdate(final CheckUpdateResult.DataEntity data) {
    if (data != null) {
        showTwoBtnDialog("更新", "v" + data.getVersionName() + "\n" + data.getUpdateInfo(), false, new IBaseActivity.OnTwoBtnClick() {
            @Override
            public void onOk() {
                final TextView[] tv = new TextView[1];
                final ProgressBar[] pb = new ProgressBar[1];
                showUpdateDialog("更新", "即将开始下载...", false, new IBaseActivity.OnOneBtnClickListener() {
                    @Override
                    public void onProgress(TextView textView, ProgressBar progressBar) {
                        tv[0] = textView;
                        pb[0] = progressBar;
                    }
  
                    @Override
                    public void onOK() {
                    }
                });
                String url = Constants.API + File.separator + data.getUrl();
                final String name = "HighNetFix_" + data.getVersionName() + "_" + data.getVersionCode() + ".apk";
                OkGo.<File>get(url)
                        .tag(this)
                        .execute(new FileCallback(Constants.APK_DOWNLOAD_PATH, name) {
                            @Override
                            public void onSuccess(Response<File> response) {
                                hideUpdateDialog();
                                ApkUtils.installApk(HomePageActivity.this, BuildConfig.APPLICATION_ID, Constants.APK_DOWNLOAD_PATH, name);
                            }
  
                            @Override
                            public void onError(Response<File> response) {
                                hideUpdateDialog();
                                ToastUtils.showCustomBgToast("下载失败，请检查您的网络设置。");
                            }
  
                            @Override
                            public void downloadProgress(Progress progress) {
                                long currentSize = progress.currentSize;
                                long totalSize = progress.totalSize;
                                int pro = (int) (currentSize * 100.0 / totalSize + 0.5f);
                                tv[0].setText("已下载：" + pro + "%");
                                pb[0].setProgress(pro);
                            }
                        });
            }
  
            @Override
            public void onCancel() {
            }
        });
    }
}
Android