java - 尽管没有错误，但我的应用程序无法在 android studio 中运行，我想怎么办？

Question

这就是我在调试 LGOGCAT 01-26 17:50:17.429 2714-2714/ 上运行它时给我的结果？我/艺术：后期启用-Xcheck：jni 01-26 17：50：17.516 2714-2714/com.example.android.seif W/System：ClassLoader引用了未知路径：/data/app/com.example.android。 seif-1/lib/arm64 01-26 17:50:17.634 2714-2714/com.example.android.seif W/art：在 Android 4.1 之前，方法 android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat。 updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) 会错误地覆盖 android.graphics.drawable.Drawable 01-26 17:50:17.721 2714 中的包私有方法-2714/com.example.android.seif I/art：拒绝对先前失败的类 java.lang.Class 01-26 17:50:17.722 2714-2714/com.example.android 重新初始化。seif I/art：拒绝重新初始化先前失败的类 java.lang.Class 01-26 17:50:18.239 2714-2714/com.example.android.seif I/Process：发送信号。PID：2714 SIG：9

xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_marginTop="0dp"
        android:orientation="horizontal">


        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            tools:context=".MainActivity">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="8dp"
                android:text="Team A"
                android:textColor="#000000"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/team_a_score"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="16dp"
                android:layout_marginBottom="24dp"
                android:text="0"
                android:textColor="#000000"
                android:textSize="56sp" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginRight="8dp"
                android:onClick="addThreeForTeamA"
                android:text="3points" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginTop="10dp"
                android:layout_marginRight="8dp"
                android:onClick="addTwoForTeamA"
                android:text="2points" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginTop="10dp"
                android:layout_marginRight="8dp"
                android:onClick="addOneForTeamA"
                android:text="1points" />
        </LinearLayout>

        <view
            android:layout_width="0.1dp"
            android:layout_height="match_parent"
            android:layout_gravity="center_vertical"
            android:layout_marginTop="8dp">

        </view>

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            tools:context=".MainActivity">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="8dp"
                android:text="Team B"
                android:textColor="#000000"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/team_b_score"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginTop="16dp"
                android:layout_marginBottom="24dp"
                android:text="0"
                android:textColor="#000000"
                android:textSize="56sp" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginRight="8dp"
                android:onClick="addThreeForTeamB"
                android:text="3points" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginTop="10dp"
                android:layout_marginRight="8dp"
                android:onClick="addTwoForTeamB"
                android:text="2points" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:layout_marginLeft="8dp"
                android:layout_marginTop="10dp"
                android:layout_marginRight="8dp"
                android:onClick="addOneForTeamB"
                android:text="1points" />

        </LinearLayout>


    </LinearLayout>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="18dp"
        android:onClick="resetScore"
        android:text="Reset" />
</RelativeLayout>

爪哇

package com.example.android.seif;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    int scoreTeamA = 0;
    int scoreTeamB = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    public void addThreeForTeamA(View view) {
        scoreTeamA = scoreTeamA + 3;
        displayForTeamA(scoreTeamA);
    }

    public void addTwoForTeamA(View view) {
        scoreTeamA = scoreTeamA + 2;
        displayForTeamA(scoreTeamA);

    }

    public void addOneForTeamA(View view) {
        scoreTeamA = scoreTeamA + 1;
        displayForTeamA(scoreTeamA);
    }

    public void addThreeForTeamB(View view) {
        scoreTeamB = scoreTeamB + 3;
        displayForTeamB(scoreTeamB);
    }

    public void addTwoForTeamB(View view) {
        scoreTeamB = scoreTeamB + 2;
        displayForTeamB(scoreTeamB);

    }

    public void addOneForTeamB(View view) {
        scoreTeamB = scoreTeamB + 1;
        displayForTeamB(scoreTeamB);
    }

    public void resetScore(View view) {
        scoreTeamA = 0;
        scoreTeamB = 0;
        displayForTeamA(scoreTeamA);
        displayForTeamB(scoreTeamB);
    }


    public void displayForTeamA(int score) {
        TextView scoreView = findViewById(R.id.team_a_score);
        scoreView.setText(String.valueOf(score));
    }

    public void displayForTeamB(int score) {
        TextView scoreView = findViewById(R.id.team_b_score);
        scoreView.setText(String.valueOf(score));
    }

}

标签： javaandroid-studio