am, cmd, dalvikvm, settings: add page (#5481)

pages/android/am.md

@@ -0,0 +1,20 @@
+# am
+
+> Android activity manager.
+> More information: <https://developer.android.com/studio/command-line/adb#am>.
+
+- Start a specific activity:
+
+`am start -n {{com.android.settings/.Settings}}`
+
+- Start an activity and pass data to it:
+
+`am start -a {{android.intent.action.VIEW}} -d {{tel:123}}`
+
+- Start an activity matching a specific action and category:
+
+`am start -a {{android.intent.action.MAIN}} -c {{android.intent.category.HOME}}`
+
+- Convert an intent to an URI:
+
+`am to-uri -a {{android.intent.action.VIEW}} -d {{tel:123}}`