How to implement Rate It feature in Android App

Question

I am developing an Android App. In which everything is working right. My app is ready to launch. But there I need to implement one more feature. I need to display a popup wh

Answer 1

Kotlin version of Raghav Sood's answer

Rater.kt

    class Rater {
      companion object {
        private const val APP_TITLE = "App Name"
        private const val APP_NAME = "com.example.name"

        private const val RATER_KEY = "rater_key"
        private const val LAUNCH_COUNTER_KEY = "launch_counter_key"
        private const val DO_NOT_SHOW_AGAIN_KEY = "do_not_show_again_key"
        private const val FIRST_LAUNCH_KEY = "first_launch_key"

        private const val DAYS_UNTIL_PROMPT: Int = 3
        private const val LAUNCHES_UNTIL_PROMPT: Int = 3

        fun start(mContext: Context) {
            val prefs: SharedPreferences = mContext.getSharedPreferences(RATER_KEY, 0)
            if (prefs.getBoolean(DO_NOT_SHOW_AGAIN_KEY, false)) {
                return
            }

            val editor: Editor = prefs.edit()

            val launchesCounter: Long = prefs.getLong(LAUNCH_COUNTER_KEY, 0) + 1;
            editor.putLong(LAUNCH_COUNTER_KEY, launchesCounter)

            var firstLaunch: Long = prefs.getLong(FIRST_LAUNCH_KEY, 0)
            if (firstLaunch == 0L) {
                firstLaunch = System.currentTimeMillis()
                editor.putLong(FIRST_LAUNCH_KEY, firstLaunch)
            }

            if (launchesCounter >= LAUNCHES_UNTIL_PROMPT) {
                if (System.currentTimeMillis() >= firstLaunch +
                    (DAYS_UNTIL_PROMPT * 24 * 60 * 60 * 1000)
                ) {
                    showRateDialog(mContext, editor)
                }
            }

            editor.apply()
        }

        fun showRateDialog(mContext: Context, editor: Editor) {
            Dialog(mContext).apply {
                setTitle("Rate $APP_TITLE")

                val ll = LinearLayout(mContext)
                ll.orientation = LinearLayout.VERTICAL

                TextView(mContext).apply {
                    text =
                        "If you enjoy using $APP_TITLE, please take a moment to rate it. Thanks for your support!"

                    width = 240
                    setPadding(4, 0, 4, 10)
                    ll.addView(this)
                }

                Button(mContext).apply {
                    text = "Rate $APP_TITLE"
                    setOnClickListener {
                        mContext.startActivity(
                            Intent(
                                Intent.ACTION_VIEW,
                                Uri.parse("market://details?id=$APP_NAME")
                            )
                        );
                        dismiss()
                    }
                    ll.addView(this)
                }

                Button(mContext).apply {
                    text = "Remind me later"
                    setOnClickListener {
                        dismiss()
                    };
                    ll.addView(this)
                }

                Button(mContext).apply {
                    text = "No, thanks"
                    setOnClickListener {
                        editor.putBoolean(DO_NOT_SHOW_AGAIN_KEY, true);
                        editor.commit()
                        dismiss()
                    };
                    ll.addView(this)
                }

                setContentView(ll)
                show()
            }
        }
    }
}

Optimized answer

Rater.kt

class Rater {
    companion object {
        fun start(context: Context) {
            val prefs: SharedPreferences = context.getSharedPreferences(RATER_KEY, 0)
            if (prefs.getBoolean(DO_NOT_SHOW_AGAIN_KEY, false)) {
                return
            }

            val editor: Editor = prefs.edit()

            val launchesCounter: Long = prefs.getLong(LAUNCH_COUNTER_KEY, 0) + 1;
            editor.putLong(LAUNCH_COUNTER_KEY, launchesCounter)

            var firstLaunch: Long = prefs.getLong(FIRST_LAUNCH_KEY, 0)
            if (firstLaunch == 0L) {
                firstLaunch = System.currentTimeMillis()
                editor.putLong(FIRST_LAUNCH_KEY, firstLaunch)
            }

            if (launchesCounter >= LAUNCHES_UNTIL_PROMPT) {
                if (System.currentTimeMillis() >= firstLaunch +
                    (DAYS_UNTIL_PROMPT * 24 * 60 * 60 * 1000)
                ) {
                    showRateDialog(context, editor)
                }
            }

            editor.apply()
        }

        fun showRateDialog(context: Context, editor: Editor) {
            Dialog(context).apply {
                setTitle("Rate $APP_TITLE")
                LinearLayout(context).let { layout ->
                    layout.orientation = LinearLayout.VERTICAL
                    setDescription(context, layout)
                    setPositiveAnswer(context, layout)
                    setNeutralAnswer(context, layout)
                    setNegativeAnswer(context, editor, layout)
                    setContentView(layout)
                    show()       
                }
            }
        }

        private fun setDescription(context: Context, layout: LinearLayout) {
            TextView(context).apply {
                text = context.getString(R.string.rate_description, APP_TITLE)
                width = 240
                setPadding(4, 0, 4, 10)
                layout.addView(this)
            }
        }

        private fun Dialog.setPositiveAnswer(
            context: Context,
            layout: LinearLayout
        ) {
            Button(context).apply {
                text = context.getString(R.string.rate_now)
                setOnClickListener {
                    context.startActivity(
                        Intent(
                            Intent.ACTION_VIEW,
                            Uri.parse(context.getString(R.string.market_uri, APP_NAME))
                        )
                    );
                    dismiss()
                }
                layout.addView(this)
            }
        }

        private fun Dialog.setNeutralAnswer(
            context: Context,
            layout: LinearLayout
        ) {
            Button(context).apply {
                text = context.getString(R.string.remind_later)
                setOnClickListener {
                    dismiss()
                };
                layout.addView(this)
            }
        }

        private fun Dialog.setNegativeAnswer(
            context: Context,
            editor: Editor,
            layout: LinearLayout
        ) {
            Button(context).apply {
                text = context.getString(R.string.no_thanks)
                setOnClickListener {
                    editor.putBoolean(DO_NOT_SHOW_AGAIN_KEY, true);
                    editor.commit()
                    dismiss()
                };
                layout.addView(this)
            }
        }
    }
}

Constants.kt

object Constants {

    const val APP_TITLE = "App Name"
    const val APP_NAME = "com.example.name"

    const val RATER_KEY = "rater_key"
    const val LAUNCH_COUNTER_KEY = "launch_counter_key"
    const val DO_NOT_SHOW_AGAIN_KEY = "do_not_show_again_key"
    const val FIRST_LAUNCH_KEY = "first_launch_key"

    const val DAYS_UNTIL_PROMPT: Int = 3
    const val LAUNCHES_UNTIL_PROMPT: Int = 3

}

strings.xml

    If you enjoy using %1$s, please take a moment to rate it. Thanks for your support!
    Rate now
    No, thanks
    Remind me later
    market://details?id=%1$s