转载请注明出处：王亟亟的大牛之路
之前写了 5篇自定义Activity相关的文章，按照计划上一篇关于自定义控件的内容，本篇内容是在MaterialDialog之上构建的，，所以对内部方法不了解的可以去看下MaterialDialog的实现，
MaterialDialogcompile ‘com.afollestad:material-dialogs:0.7.9.1’
先上下效果图：
星数未满3星
流程分析： 1.我们点击按钮。 2.弹出Dialog。 3.看到Title,Message,以及3个选项。 4.选择选项内容并填充星数。 5.如果星数控件.getRating() <= 3 显示询问Dialog，大于3直接提交 6.查看询问内容，选择稍后提交or发送邮件给管理邮箱，结束
大致的逻辑很清楚那我们来分析下代码
{String DEFAULT_TITLE = “评价产品分数”;String DEFAULT_TITLE_SUPPORT = “需要支持？”;String DEFAULT_POSITIVE = “提交”;String DEFAULT_NEGATIVE = “稍后再提交”;String DEFAULT_NEVER = “从不”;String SP_NUM_OF_ACCESS = “numOfAccess”;String SP_DISABLED = “disabled”;private final Context context;private MaterialDialog ratingDialog;private String packageName;private String negativeMessage;private String supportEmail;private int buttonsColor = R.color.md_material_blue_600;private View positiveButton;private View negativeButton;private View neutralButton;private TextView contentText;private RatingBar ratingBar;private String supportText = “您有什么建议吗，请邮件于我们。”;private String rateText =”你对这个App评多少分呢?”;public FiveStarsDialog(Context context,String supportEmail){this.context = context;}(){ratingDialog = new MaterialDialog.Builder(context).title(DEFAULT_TITLE).customView(R.layout.stars, true).positiveText(DEFAULT_POSITIVE).negativeText(DEFAULT_NEGATIVE).positiveColorRes(buttonsColor).negativeColorRes(buttonsColor).neutralColorRes(buttonsColor).neutralText(DEFAULT_NEVER).build();initViews();}() {ratingBar = (RatingBar) ratingDialog.getCustomView().findViewById(R.id.ratingBar);positiveButton = ratingDialog.getActionButton(DialogAction.POSITIVE);negativeButton = ratingDialog.getActionButton(DialogAction.NEGATIVE);neutralButton = ratingDialog.getActionButton(DialogAction.NEUTRAL);contentText = (TextView)ratingDialog.getCustomView().findViewById(R.id.text_content);contentText.setText(rateText);positiveButton.setOnClickListener(new View.OnClickListener() {(View view) {if(ratingBar.getRating() <= 3){initSupportDialog();}else{//openMarket();Toast.makeText(context,”Share”,Toast.LENGTH_SHORT).show();}ratingDialog.hide();disable();}});negativeButton.setOnClickListener(new View.OnClickListener() {(View view) {ratingDialog.hide();SharedPreferences shared = context.getSharedPreferences(context.getPackageName(),Context.MODE_PRIVATE);SharedPreferences.Editor editor = shared.edit();int numOfAccess = shared.getInt(SP_NUM_OF_ACCESS,0);editor.putInt(SP_NUM_OF_ACCESS, 0 – numOfAccess*2 );editor.apply();}});neutralButton.setOnClickListener(new View.OnClickListener() {(View view) {ratingDialog.hide();disable();}});}() {SharedPreferences shared = context.getSharedPreferences(context.getPackageName(), Context.MODE_PRIVATE);SharedPreferences.Editor editor = shared.edit();editor.putBoolean(SP_DISABLED, true);editor.apply();}() {final String appPackageName = context.getPackageName();try {context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(“market://details?id=” + appPackageName)));} catch (android.content.ActivityNotFoundException anfe) {context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(“https://play.google.com/store/apps/details?id=” + appPackageName)));}}() {MaterialDialog supportDialog = new MaterialDialog.Builder(context).title(DEFAULT_TITLE_SUPPORT).positiveText(DEFAULT_POSITIVE).negativeText(DEFAULT_NEGATIVE).positiveColorRes(buttonsColor).negativeColorRes(buttonsColor).content(supportText).build();supportDialog.getActionButton(DialogAction.POSITIVE).setOnClickListener(new View.OnClickListener() {(View view) {final Intent emailIntent = new Intent(Intent.ACTION_SEND);emailIntent.setType(“plain/text”);emailIntent.putExtra(Intent.EXTRA_EMAIL, supportEmail);emailIntent.putExtra(Intent.EXTRA_SUBJECT, “App Report (“+context.getPackageName()+”)”);emailIntent.putExtra(Intent.EXTRA_TEXT, “”);context.startActivity(Intent.createChooser(emailIntent, “Send mail…”));}});ratingDialog.hide();supportDialog.show();}public FiveStarsDialog setPackageName(String packageName) {this.packageName = packageName;return this;}public FiveStarsDialog setNegativeMessage(String negativeMessage) {this.negativeMessage = negativeMessage;return this;}public FiveStarsDialog setSupportEmail(String supportEmail) {this.supportEmail = supportEmail;return this;}public FiveStarsDialog setButtonsColor(int buttonsColor) {this.buttonsColor = buttonsColor;return this;}public FiveStarsDialog setSupportText(String supportText){this.supportText = supportText;return this;}public FiveStarsDialog setRateText(String rateText){this.rateText = rateText;return this;}() {SharedPreferences shared = context.getSharedPreferences(context.getPackageName(),Context.MODE_PRIVATE);boolean disabled = shared.getBoolean(SP_DISABLED,false);if(!disabled){build();ratingDialog.show();}}(int numberOfAccess){SharedPreferences shared = context.getSharedPreferences(context.getPackageName(),Context.MODE_PRIVATE);SharedPreferences.Editor editor = shared.edit();int numOfAccess = shared.getInt(SP_NUM_OF_ACCESS,0);editor.putInt(SP_NUM_OF_ACCESS, numOfAccess + 1);editor.apply();if(numOfAccess + 1 >= numberOfAccess){show();}}}
只有一个类，内部有各种供给用户调用的set方法，如果未设置将只用默认的文字内容。 例子中构造函数并未对邮箱地址进行操作，大家使用的话直接 this.邮箱=邮箱 就好了。
三个按钮赋予三种不同的业务逻辑分别是：
neutralButton再不提示
positiveButton提交
negativeButton稍后提示
showAfter（）延迟提示，便于实现不同逻辑
openMarket() 模仿提交到google play的操作
分别做了不同的逻辑实现，都是通过SharedPreferences实现的，因为相应的代码量并不是太多，所以没有用第三方框架直接实现出来。
内容就这些，实现不太复杂通俗易懂
谢谢大家！！
源码地址： 访问密码 47ff
每一件事都要用多方面的角度来看它
