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原创 android seekbar垂直滚动，滑块开始不在开端，滑块大小改变等相关问题

1、垂直的滚动条原理：只需继承AppCompatSeekBar，在onDraw将横向滚动条旋转90度，在平移回来即可，可参照下面代码。 public class VerticalSeekBar extends android.support.v7.widget.AppCompatSeekBar { public VerticalSeekBar(Context context) { ...

2019-05-18 16:37:05 2572

原创解决RandomAccessFile 写文件汉字乱码问题

String content = null; RandomAccessFile file = null; try{ content = new String(protocolDataQueueElement.mData,2,length,"gb2312"); if(!mFile.exi...

2019-05-15 19:42:23 2064

原创 android shell模式下模拟触摸屏点击和按键点击

adb shell命令模式下： input keyevent 3 // Home input keyevent 4 // Back input keyevent 19 //Up input keyevent 20 //Down input keyevent 21 //Left input keyevent 22 //Right input keyevent 23...

2019-02-21 09:57:19 3348

原创 DataSupport按条件查询

List<CollectionBean> result = DataSupport.select("type", "freq").where("type = " + radioType + " and freq = " + freq).find(CollectionBean.class);

2019-02-20 19:14:55 2715

转载 AAPT2 error: check logs for details （Gradle 3.1.2）

com.android.build.gradle.tasks.ResourceException:Error: java.util.concurrent.ExecutionException:com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logsfor details 排查步骤： 1、AS命令窗口...

2019-02-19 17:36:38 461

翻译 android 8.0动态申请读写权限

public void checkPermission() { boolean isGranted = true; if (android.os.Build.VERSION.SDK_INT >= 23) { if (this.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL...

2019-02-18 09:48:20 6263

原创 Error:Could not find lint-gradle-api.jar (com.android.tools.lint:lint-gradle-api:26.1.2)

android studio工程编译报：Error:Could not find lint-gradle-api.jar (com.android.tools.lint:lint-gradle-api:26.1.2). Searched in the following locations: https://jcenter.bintray.com/com/android/tools/lin...

2018-11-16 17:14:25 855