android 无法从静态上下文中引用非静态 方法 ndk,java – Android:无法从静态上下文引用非静态方法.困惑?...

博主在尝试编写一个简单的Java程序,该程序接受用户输入的两个数字并进行相加,然后将结果显示在输出框中。然而,他遇到了一个错误:'非静态方法setText(java.lang.CharSequence)'无法在静态上下文中引用。问题出现在尝试在静态环境中调用非静态方法`EditText.setText(result)`。博主需要理解静态与非静态方法的区别,并调整代码以正确地在非静态上下文中调用该方法。

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我对Java和编程非常陌生.我写了一个基本程序,用来添加用户输入的2个数字并将它们添加起来并在输出框中显示它们,但是我得到“非静态方法”setText(java.lang.CharSequence)’无法引用从静态上下文“,但我不知道静态的东西是什么

private void onClick(View v){

EditText input1 = (EditText) findViewById(R.id.input1);

double calc1 = Double.parseDouble(String.valueOf(input1));

EditText input2 = (EditText) findViewById(R.id.input2);

double calc2 = Double.parseDouble(String.valueOf(input2));

double total = calc1 + calc2;

String result = Double.toString(total);

EditText output1 = (EditText)findViewById(R.id.output);

EditText.setText(result);

}

给出错误的行:

EditText.setText(result);

对不起,如果我非常无能,但我搜索了,我真的不明白如何解决它.谢谢.

package com.taixin.txallremote.jni; import com.taixin.txallremote.utils.ALog; public final class H6RemoteIO { private static final String TAG = "H6RemoteIO"; private static final String libSoName = "txporting-i2c"; static { ALog.i(TAG, "load library: lib" + libSoName + ".so"); System.loadLibrary(libSoName); } public static void remoteOpen() { ALog.i(TAG, "txallremote init"); TxAllRemote_Init(); } public static void remoteLearnStart() { TxAllRemote_LearnStart(); } public static byte remoteReadData(byte[] buf, int count) { byte ack; ack = TxAllRemote_ReadData(buf, count); ALog.i(TAG, "ack:" + ack); return ack; } public static byte remoteWriteData(byte[] buf, int count) { byte ack; ack = TxAllRemote_WriteData(buf, count); return ack; } private static native void TxAllRemote_Init(); private static native void TxAllRemote_LearnStart(); private static native byte TxAllRemote_ReadData(byte[] paramArrayOfByte, int paramInt); private static native byte TxAllRemote_WriteData(byte[] paramArrayOfByte, int paramInt); } 07-23 08:31:32.909 22259 22282 D libEGL : loaded /system/lib64/egl/libEGL_emulation.so 07-23 08:31:32.910 22259 22259 I txallremote-H6RemoteIO: load library: libtxporting-i2c.so 07-23 08:31:32.929 22259 22259 D AndroidRuntime: Shutting down VM 07-23 08:31:32.929 22259 22282 I nemucooker: cook file1: /etc/mumu-configs/renderer.config, last modify time: Thu Aug 29 11:22:45 2024 07-23 08:31:32.929 22259 22282 I nemucooker: cook file2: /data/system/etc/mumu-configs/renderer.config, last modify time: Thu Jul 17 21:45:34 2025 07-23 08:31:32.929 22259 22282 I nemucooker: cook select file: /data/system/etc/mumu-configs/renderer.config 07-23 08:31:32.940 22259 22259 E AndroidRuntime: FATAL EXCEPTION: main 07-23 08:31:32.940 22259 22259 E AndroidRuntime: Process: com.taixin.txallremote, PID: 22259 07-23 08:31:32.940 22259 22259 E AndroidRuntime: java.lang.UnsatisfiedLinkError: dlopen failed: library "libtxporting-i2c.so" not found 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at java.lang.Runtime.loadLibrary0(Runtime.java:1086) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at java.lang.Runtime.loadLibrary0(Runtime.java:1006) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at java.lang.System.loadLibrary(System.java:1656) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.taixin.txallremote.jni.H6RemoteIO.<clinit>(H6RemoteIO.java:12) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.taixin.txallremote.jni.H6RemoteIO.remoteOpen(Unknown Source:0) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.taixin.txallremote.dataway.RemoteDirectIo.getInstance(RemoteDirectIo.java:27) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.taixin.txallremote.activity.TempHumiControlManagerActivity.onCreate(TempHumiControlManagerActivity.java:81) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:8054) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:8034) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1347) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3736) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3931) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2294) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:106) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.os.Looper.loopOnce(Looper.java:201) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.os.Looper.loop(Looper.java:288) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:8060) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571) 07-23 08:31:32.940 22259 22259 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1091) 07-23 08:31:32.945 22259 22282 D libEGL : loaded /system/lib64/egl/libGLESv1_CM_emulation.so 07-23 08:31:32.946 22259 22282 D libEGL : loaded /system/lib64/egl/libGLESv2_emulation.so 07-23 08:31:32.961 22259 22282 E GraphicsEnv: Failed to get gpu service 07-23 08:31:33.000 22259 22259 I Process : Sending signal. PID: 22259 SIG: 9 07-23 08:31:33.025 1251 10643 I ActivityManager: Process com.taixin.txallremote (pid 22259) has died: fg TOP 07-23 08:31:33.025 1054 1054 I Zygote : Process 22259 exited due to signal 9 (Killed) 07-23 08:31:33.025 1251 1291 I libprocessgroup: Successfully killed process cgroup uid 10111 pid 22259 in 0ms 07-23 08:31:40.589 1091 1091 D opengl-gc: Check pid 22259: running 0
最新发布
07-24
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