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设置宽高 ViewGroup.LayoutParams layoutParams = iv_star.getLayoutParams(); layoutParams.width = 80; layoutParams.height = 80; iv_star.setLayoutParams(layoutParams);

//使用String的split 方法 public static String[] convertStrToArray(String str){ String[] strArray = null; strArray = str.split(","); return strArray; }

每隔一秒修改TextView内容 private Timer timer; private Handler mHandler = new Handler(){ @Override public void handleMessage(Message msg) { if(msg.what == 0){ tvMoney.setText("14893"); } }

导入第三方包引发Manifest merger failed with multiple errors, see logs使用命令行：Terminal运行命令：gradlew processDebugManifest --stacktrace如果报错：bash: gradlew: command not found已有权限，采用./gradlew processDebugManifest --stacktrace或者./gradlew build，查看报错信息。...

<?xml version="1.0" encoding="utf-8"?><androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:.

权限代码：1.android.permission.WRITE_USER_DICTIONARY允许应用程序向用户词典中写入新词2.android.permission.WRITE_SYNC_SETTINGS写入Google在线同步设置3.android.permission.WRITE_SOCIAL_STREAM读取用户的社交信息流4.android.permission.WRITE_SMS允许程序写短信5.android.permission.WRITE_SETTINGS允许程序读取或

设置文字显示两行，多余部分用省略号 android:maxLines="2" android:ellipsize="end"