我无法将主要活动OnCreate方法中的任务卸载到另一个类来完成繁重的工作.
当我尝试从非Activity类调用getSystemService时会抛出异常.
任何帮助将不胜感激 :)
lmt.java:
package com.atClass.lmt;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
import android.location.Location;
public class lmt extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
fyl lfyl = new fyl();
Location location = lfyl.getLocation();
String latLongString = lfyl.updateWithNewLocation(location);
TextView myLocationText = (TextView)findViewById(R.id.myLocationText);
myLocationText.setText("Your current position is:\n" + latLongString);
}
}
Run Code Online (Sandbox Code Playgroud)
fyl.java
package com.atClass.lmt;
import android.app.Activity;
import android.os.Bundle;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.TextView;
import android.content.Context;
public class fyl {
public Location getLocation(){
LocationManager locationManager; …Run Code Online (Sandbox Code Playgroud) 我希望在指定活动中查找具有标签"balloon"的所有视图,例如然后使用setVisibilityto 隐藏它们GONE.
有谁知道如何检索具有给定标记的视图列表?
众所周知,Java 5引入了Instrumentation轻松获取对象大小的能力.在Android和Dalvik上有这样的方法吗?
该java.lang.instrument软件包在Android上不可用.
由于某种原因,我不能在我这里的ICS设备上发生本地(C/C++)地址/堆栈跟踪.
在我的Nexus 7上,当本机库崩溃时,不会输出任何内容.log.redirect-stdio设置为通过时设置为1,/system/default.prop并且/data/local.prop都不起作用.
我试着设置log.redirect-stdio来true使用stop,setprop,start的命令,但仍然没有原生的堆栈跟踪是输出到logcat的.
谷歌我的意思是来吧......我每天都因为与我的错误,不可预测的关系而对Google产生越来越多的信心.
android stack-trace android-ndk nexus-s android-4.0-ice-cream-sandwich
我正在寻找一种方法将另一个布局膨胀到android中的第一个布局.怎么会这样做?这是两个XML文件.第一个是主要布局,第二个是我想要扩展到第一个布局.
我不能只包括布局,因为我将使用此方法将其他布局膨胀为线框.
代码也位于:http://pastebin.com/wjZ4s1cs,因为stackoverflow不喜欢XML.
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff000000"
>
<TextView
android:id="@+id/headerMenuText"
android:text="@string/main_menu_title"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:textSize="16pt"
android:paddingTop="10px"
android:paddingBottom="10px"
android:gravity="center"
>
</TextView>
<TableLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_y="100dip"
android:gravity="center"
android:layout_gravity="center"
>
<TableRow
android:gravity="center"
android:layout_gravity="center">
<ImageView
android:id="@+id/menuItem1"
android:layout_height="101dip"
android:layout_width="89dip"
android:src="@drawable/icon_settings"
></ImageView>
<ImageView
android:id="@+id/menuItem2"
android:layout_height="101dip"
android:layout_width="89dip"
android:src="@drawable/icon_system_restart"
></ImageView>
<ImageView
android:id="@+id/menuItem3"
android:layout_height="101dip"
android:layout_width="89dip"
android:src="@drawable/icon_game_history"
></ImageView>
<ImageView
android:id="@+id/menuItem4"
android:layout_height="101dip"
android:layout_width="89dip"
android:src="@drawable/icon_game_correction"
></ImageView>
<ImageView
android:id="@+id/menuItem5"
android:layout_height="101dip"
android:layout_width="89dip"
android:src="@drawable/icon_game_other"
></ImageView>
</TableRow>
<TableRow android:gravity="center">
<TextView
android:id="@+id/menuItemText1"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="@string/main_menu_item_text_1"
android:layout_gravity="center"
android:gravity="center"
></TextView>
<TextView …Run Code Online (Sandbox Code Playgroud) 有没有人知道在卸载我的应用程序时是否可以覆盖特定方法?发生这种情况时,最好从服务器端数据库中删除这些用户.
我试图在Oracle SQL中运行子查询,它不会让我订购子查询列.对子查询进行排序非常重要,因为Oracle似乎会随意选择哪些返回列返回主查询.
select ps.id, ps.created_date, pst.last_updated, pst.from_state, pst.to_state,
(select last_updated from mwcrm.process_state_transition subpst
where subpst.last_updated > pst.last_updated
and subpst.process_state = ps.id
and rownum = 1) as next_response
from mwcrm.process_state ps, mwcrm.process_state_transition pst
where ps.created_date > sysdate - 1/24
and ps.id=pst.process_state
order by ps.id asc
select ps.id, ps.created_date, pst.last_updated, pst.from_state, pst.to_state,
(select last_updated from mwcrm.process_state_transition subpst
where subpst.last_updated > pst.last_updated
and subpst.process_state = ps.id
and rownum = 1
order by subpst.last_updated asc) as next_response
from mwcrm.process_state ps, mwcrm.process_state_transition pst
where ps.created_date > sysdate - 1/24 … 有没有人知道如何在从源代码(AOSP)构建android时包含超级用户权限?
我在Android NDK下构建项目时遇到问题.很可能是由于没有包含正确的共享/静态库.那些作为-lsomeLib我添加了,但是作为LOCAL_SHARED_LIBRARIES的那些没有被包括在内似乎......
我的Android.mk包含以下内容
LOCAL_SHARED_LIBRARIES + = libutils libmedia libz libbinder
这是完整的Android.mk.
LOCAL_PATH := /Users/kevin/Desktop/player2/videoplayer/videoplayer/jni
LIBPLAYER_PATH := $(LOCAL_PATH)/../../LibPlayer
include $(CLEAR_VARS)
$(warning Android make file: $(LOCAL_PATH)/Android.mk)
$(warning Android sysroot: $(SYSROOT))
$(warning Additional LD_LIBS: $(LOCAL_PATH)/lib)
ifeq ($(BUILD_ID),MID)
LOCAL_CFLAGS += -DENABLE_FREE_SCALE
endif
LOCAL_MODULE := libamplayerjni
LOCAL_SRC_FILES := com_farcore_playerservice_AmPlayer.c sys_conf.c
LOCAL_ARM_MODE := arm
LOCAL_C_INCLUDES := $(LIBPLAYER_PATH)/amplayer/player/include \
$(LIBPLAYER_PATH)/amplayer/control/include \
$(LIBPLAYER_PATH)/amcodec/include \
$(LIBPLAYER_PATH)/amffmpeg \
$(JNI_H_INCLUDE) \
/Android/ndk/build/tools/android-9-toolchain/sysroot/usr/include \
/Android/ndk/build/platforms/android-9/arch-arm/usr/include \
/Android/source_2.3/system/core/include \
/Android/source_2.3/frameworks/base/include
LOCAL_LDLIBS := -L/Users/kevin/Desktop/player2/videoplayer/videoplayer/jni/lib -L$(SYSROOT)/usr/lib -llog -lz -lm -ldl …Run Code Online (Sandbox Code Playgroud) android ×9
android-ndk ×2
android-4.0-ice-cream-sandwich ×1
android-view ×1
c++ ×1
dalvik ×1
java ×1
nexus-s ×1
oracle ×1
root ×1
sql ×1
stack-trace ×1