data tracking app android

connect the data cable to your computer for debugging, or use an android virtual machine. The minor uses the Genymotion virtual machine running program. Click the green arrow in the toolbar above and select a device to run the program on the device. Now, as a beginner, you can try to run your new Android program and change the text of TextView. Use ViewPager

1, put the following two aidl files in their own project, their projects as clients, to achieve cross-process communication.The code is as follows:To create a package name:/***** Copyright, the Android Open Source project**** Licensed under the Apache License, Version 2.0 (the "License"); * * If you are not use this file except in compliance with the license.** you may obtain a copy of the License at**** http ://www.apache.org/licenses/license-2.0****

the difference between iOS and Android in app testing:1.AndroidSystem (http://www.maiziedu.com/course/android-px/)Mobile PhoneLong Press the home key to exhale the app list and switch apps, then right-swipe to terminate the app;2. Multi-resolution test, more than 20 kinds of

/oncreate:startcreate01-03 18:43:07.185 24987-24987/com.example.a58.testapplication d/oncreate:endcreate01-03 18:44:26.615 26384-26384/com.example.a58.testapplication d/oncreate:startcreate01-03 18:44:26.715 26384-26384/com.example.a58.testapplication d/oncreate:endcreate01-03 18:44:34.475 26634-26634/com.example.a58.testapplication d/oncreate:startcreate01-03 18:44:34.575 26634-26634/com.example.a58.testapplication d/oncreate:endcreate01-03 18:45:03.965 27023-27023/com.example.a58.testapplicati

If you want to make the most failed case on Google Play, the best secret is that the interface is extremely slow, consumes power, and consumes memory. Next, you will get negative comments from users, and your reputation will become bad. It is useless even if your applications are well designed and creative. Every problem that affects product efficiency, such as power consumption or memory usage, affects App success. This is why it is crucial to ensure

) wv.cangoback ()) {Wv.goback ();return true;}}return false;}});Setting up JavaScript supportWv.getsettings (). Setjavascriptenabled (True);Wv.getsettings (). Setjavascriptcanopenwindowsautomatically (True);Wv.getsettings (). Setdatabaseenabled (True);Wv.getsettings (). SetDatabasePath ("/data/data/com.xinze.joke/databases");Create a Webviewclient objectWebviewclient WVC = new Webviewclient () {@Overridepu

1 Power consumption positioning tool and method 1-1 battery information provided by the system 1-1-1 used before Android 4.4 KitKatadb shell dumpsys batteryinfo > d:/batterinfo.logGet the Power log1-1-2 used in Android 4.4 KitKat and later Get logs adb shell dumpsys batterystats > d:/batterstats.logGet a battery log you can use the command to clear records and re-recordadb shell dumpsys batter

, such as Actionbar, Actionbarpulltorefresh, drawerlayout, etc. Main Page tab of the schema I will use activity + fragment to replace Activitygroup, Activitygroup has been discarded by Google, replaced by fragement, the use of fragment will be easier to expand, And it's easier to adapt to different sizes of screens. The view layer will use Butterknife (a View injection framework), which will greatly reduce the cumbersome and bloated code to improve efficiency. The

other components, such as relativelayout in, can be put TextView, the use of this "container" to better write the Android interface, for different resolutions, Android devices with different screen ratios.In addition to using the code-writing interface, Android Studio provides another way to set the layout.In this interface, we only need to use the mouse through

Android app performance Optimization View optimizationObjective:Whenever an app starts to expand quickly, as business functions become more complex, more and more functional modules are always causing such performance problems. Interaction is not smooth, ANR, mobile phone calorific value and so on performance issues in Androi