ensure accessibility service enable

cmzf · Jan 17, 2020 · 5dae678 · 5dae678
1 parent ec16a21
commit 5dae678
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Showing 3 changed files with 87 additions and 14 deletions.
diff --git a/app/src/main/java/com/github/cmzf/androidinspector/Global.java b/app/src/main/java/com/github/cmzf/androidinspector/Global.java
@@ -3,6 +3,7 @@
 import android.app.Application;
 import android.os.Handler;
 import android.os.HandlerThread;
+import android.widget.Toast;
 
 public class Global {
     private static MainActivity mainActivity;
@@ -52,4 +53,12 @@ public static HandlerThread getMainHandlerThread() {
         }
         return mainHandlerThread;
     }
+
+    public static void toast(String text) {
+        toast(text, Toast.LENGTH_LONG);
+    }
+
+    public static void toast(String text, int duration) {
+        Toast.makeText(getMainActivity(), text, duration).show();
+    }
 }
diff --git a/app/src/main/java/com/github/cmzf/androidinspector/MainActivity.java b/app/src/main/java/com/github/cmzf/androidinspector/MainActivity.java
@@ -102,24 +102,35 @@ private void toggleInspectorServer(View view) {
         TextView urlView = getInspectorUrlView();
 
         if (button.getText().toString().toLowerCase().equals("start")) {
-            int port;
-            try {
-                port = Integer.valueOf(String.valueOf(portView.getText()));
-                if (port < 1024 || port > 65535) {
-                    throw new Exception();
+            button.setEnabled(false);
+            button.setBackgroundColor(Color.LTGRAY);
+
+            Utils.ensureAccessibilityServiceEnabled(() -> {
+                int port;
+                try {
+                    port = Integer.valueOf(String.valueOf(portView.getText()));
+                    if (port < 1024 || port > 65535) {
+                        throw new Exception();
+                    }
+                } catch (Exception e) {
+                    Toast.makeText(this, "port not allowed!", Toast.LENGTH_LONG).show();
+                    return;
                 }
-            } catch (Exception e) {
-                Toast.makeText(this, "port not allowed!", Toast.LENGTH_LONG).show();
-                return;
-            }
 
-            portView.setEnabled(false);
-            urlView.setVisibility(View.VISIBLE);
+                runOnUiThread(() -> {
+                    portView.setEnabled(false);
+                    urlView.setVisibility(View.VISIBLE);
+                });
 
-            Global.getInspectorServer().startServer(port);
-            Global.getScreenCaptureService().startProjection(REQUESR_SCREEN_CAPTURE);
+                Global.getInspectorServer().startServer(port);
+                Global.getScreenCaptureService().startProjection(REQUESR_SCREEN_CAPTURE);
 
-            delayToggleButton(button, "STOP");
+                delayToggleButton(button, "STOP");
+            }, () -> {
+                runOnUiThread(() -> {
+                    toggleInspectorServer(view);
+                });
+            });
         } else {
             portView.setEnabled(true);
             urlView.setVisibility(View.INVISIBLE);

diff --git a/app/src/main/java/com/github/cmzf/androidinspector/Utils.java b/app/src/main/java/com/github/cmzf/androidinspector/Utils.java
@@ -1,10 +1,14 @@
 package com.github.cmzf.androidinspector;
 
+import android.app.PendingIntent;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.Intent;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
+import android.provider.Settings;
+import android.widget.Toast;
 
 class Utils {
 
@@ -26,4 +30,53 @@ public static void setClipBoard(CharSequence text) {
         ClipData clip = ClipData.newPlainText(Global.getMainApplication().getPackageName(), text);
         clipboard.setPrimaryClip(clip);
     }
+
+    public static void ensureAccessibilityServiceEnabled(Runnable enterCallback, Runnable exitCallback) {
+        long checkInterval = 2000;
+        String appName = Global.getMainActivity().getString(R.string.app_name);
+
+        final Runnable exitWrapper = new Runnable() {
+            @Override
+            public void run() {
+                if (Global.getAccessibilityService() == null) {
+                    Global.toast("accessibility disconnected");
+                    exitCallback.run();
+                } else {
+                    Global.getMainHandler().postDelayed(this, checkInterval);
+                }
+            }
+        };
+        final Runnable enterWrapper = new Runnable() {
+            @Override
+            public void run() {
+                if (Global.getAccessibilityService() != null) {
+                    Global.toast("accessibility connected");
+                    enterCallback.run();
+                    Global.getMainHandler().postDelayed(exitWrapper, checkInterval);
+                } else {
+                    Global.getMainHandler().postDelayed(this, checkInterval);
+                    Global.toast("turn on accessibility for " + appName, Toast.LENGTH_SHORT);
+                }
+            }
+        };
+
+        long enterDelay = 0;
+        if (Global.getAccessibilityService() == null) {
+            Global.toast("need accessibility service");
+            Global.getMainHandler().postDelayed(Utils::gotoAccessibilityService, 2000);
+            enterDelay = 3000;
+        }
+        Global.getMainHandler().postDelayed(enterWrapper, enterDelay);
+    }
+
+    private static void gotoAccessibilityService() {
+        final Intent intent = new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        final PendingIntent pendingIntent = PendingIntent.getActivity(Global.getMainActivity(), 0, intent, 0);
+        try {
+            pendingIntent.send();
+        } catch (PendingIntent.CanceledException e) {
+            e.printStackTrace();
+        }
+    }
+
 }